THE LIBRARY

OF

THE UNIVERSITY
OF CALIFORNIA

PRESENTED BY

PROF. CHARLES A. KOFOID AND
MRS. PRUDENCE W. KOFOID

'

MONOGRAPH

OF

H ALTICID M

IN THE

COLLECTION

OF THE

BRITISH MUSEUM.

BY

THE REV. HAMLET CLARK, M.A., F.L.S.

PHYSAPODES AND (EDIPODES.
PART I.

LONDON:

PRINTED BY ORDER OF THE TRUSTEES.
1860.

PRINTED BY TAYLOR AND FRANCIS,
RED LION COURT, FLEET STREET.

K- .

PREFACE.

THIS Catalogue contains descriptions of the species of Phy-
sapodous and (Edipodous HALTICID^E in the British Museum
Collection, and of the species of the group which are con-
tained in other Collections, showing the desiderata.

In the "Introductory Remarks" the Rev. Hamlet Clark
has given an account of the group, arid the object of the
Catalogue.

JOHN EDWARD GRAY.

August 15, 1860.

W

M3685S4

INTRODUCTORY REMARKS.

DURING the winter of 1856 it was my fortunate lot to visit, in
company with my friend John Gray, Esq., the country of Brazil.
Several months were spent by us in travelling through parts of the
province of Rio Janeiro. Our journey was undertaken with the
simple object of seeing with our own eyes those glories of Nature,
of which Mansfield and Kingsley, and especially Humboldt, have
so graphically written, and of investigating (so far as such a brief
visit would permit us) the insect life of the tropics ; and, truly, the
reality far surpassed even our sanguine expectations. Everything
that we saw was to us not only new, but of surpassing beauty;
forest and sea- shore, bare rock and grassy glade, all seemed as
fairy-land, and this fairy-land marvellously teemed with life. At
the present moment, the recollections of that visit, even amidst the
comforts of an English home, and the great interest that attaches
to the daily work of a Clergyman, leave only the sincere regret
that it was necessarily so- brief, and therefore so unproductive,
comparatively, of practical results. Eor any one who has time
and opportunity at his disposal, and who has in any degree an
appreciation of the beauties of the works of the Great Creator, I
know of no expedition that would be more full of interest or more
profitable than a visit to this, or some similar subtropical or tro-
pical region : the influence of such a visit must be healthy ; it is
intensely humbling, and at the same time, and for the same reason,
invigorating.

To our short visit to Brazil this Monograph owes its origin. When,
on our return to England, we endeavoured to ascertain what had
been already done by former travellers in systematizing the Insect
Fauna of that continent, it was very soon apparent that nearly every
group of the Coleoptera of those regions (to which Order we confined
our attention, as far as collecting went) was almost entirely unex-

VI INTRODUCTORY REMARKS.

plored ground. The public museums and private cabinets of Europe,
however rich many of them are in species, possess the examples of
most of those species unnamed, and often unar ranged, and are in
consequence of but (comparatively) little practical use in assisting
the student ; hence I resolved, at the suggestion of Dr. Gray, of the
British Museum, to seek to reduce into systematic order some one
of the groups that during our journey had especially attracted our
attention. I selected, as one of the most interesting in beauty and
variety of forms, as well as from being hitherto almost entirely
neglected (but without any apprehension of the serious difficulties
that such a subject would involve), a division of the HALTICID.E (a
subgroup of the section of PHYTOPHAGA).

The present volume is the commencement of the work that. I thus
proposed to myself; it contains part of the first two divisions of that
group, proposed by Illiger (Mag. fur Insekt., Sechster Band, 1807),
and consists of a classification and descriptions not only of the species
of the section that are contained in the British Museum, but also of
those existing in the cabinets of MM. Chevrolat, Deyrolle, Dohrn,
and Lacordaire, as well as of Messrs. Baly, Bates, Fry, J. Gray,
Miers, Murray, "Waterhouse, and my own. The great kindness and
liberality of these gentlemen has enabled me to describe in the
present volume forty- two genera, consisting of 245 species.

With regard to the geographical stations of these species, one only
is known from the kingdom of Chili ; 136 are found in the regions
of Brazil south of the Amazon (6 of these are insular, one being from
the Island of St. Catherine, and 5 from the Island of St. Paul) ; 65
are found in the basin of the River Amazon (between the Delta and
Peru), while the part of the continent north of the Amazon Basin
furnishes 27 (of which the district round Cayenne supplies 11,
Venezuela 6, New Granada 4, and Columbia 6). Six species are found
in Mexico and the south of North America, one insular species
(^EJdmon sericellum) being indigenous to Porto Rico. In addition to
these, 3 species are found in other countries of North America — one in
Pennsylvania, and 2 in Philadelphia. Three species only are found
in Africa — one (Eutornus Africanus) at Sierra Leone, one (Phy-
sonychis smaragdina) in Senegal, and a third (Lithonoma Afrwana)
near Tangiers; two only are found in Europe (Lithonoma cincta,

INTRODUCTORY REMARKS. Til

Fab., and L. Andalusiaca, Rosenh.) ; and three others are, as to
their localities, doubtful.

It thus appears that of the species contained in this volume,

South America produces 228

North America 9

Africa 3

Europe 2

Doubtful 3

245

and Asia and Australia none.

Owing to the comparative rarity of all the species here described,
and consequently the paucity of them in collections, it is not easy to
assign to each its distinct geographical range ; very few appear to
be widely distributed ; each seems to have but the basin of a single
river, or one single island on the coast, or one range of mountains
as its sole locality; and it is interesting to observe that the range of.
the genera as well as that of the individual species appear to be (as a
rule) equally circumscribed. For example, the beautiful genus Mono-
platus has as yet been found only on the Organ Mountains and in
the neighbourhood of Rio Janeiro* ; the very distinct form of Ceri-
clirestus is met with only in the north of that continent, the Amazon,
and Cayenne ; the two European species of the genus Lithonoma,
found in Spain and Portugal, are closely allied to each other ; and
although a third species of this genus has been discovered in Africa,
it was taken near Tangiers, on the immediately opposite coast of
the Straits of Gibraltar.

On the other hand, however, instances are to be found where a
single genus appears to have a widely extended range. The genus
Loxoprosopus is represented in the province of Rio by L. ceramboides,
while, in the far-distant region of the Amazon, other species that
evidently belong to this same genus have been taken by Mr. Bates.
In a case like this, we may reasonably infer that other species of the
genus still have to be discovered in the vast central district of Brazil,
which will unite together these species geographically.

* M. semiviolaceus is stated to be from Cayenne ; but this, in my opinion,
seems to require to be substantiated.

VU1 INTRODUCTORY REMARKS.

So far as we know, the southern and colder regions of the con-
tinent of South America, Patagonia, and the south of La Plata
supply no representatives of the groups described in this volume*, —
the limits of their distribution throughout the world being appa-
rently, in the south, 32° or 34°, and in the north, 40°. The Euro-
pean species are found, as has been noticed, in the south of Portugal
and Spain (that is, between the degrees of 36 and 38) ; although on
one occasion I took examples of Lithonoma cincta, Fab., at Bar-
quero, on the Asturian shores of the Bay of Biscay, in latitude 43°
nearly t.

But between these limits the group would appear to be generally
distributed-, we have no reason to suppose the existence of any
special numerical centre or centres ; wherever the district has been
examined, there species have been found to be indigenous, and the
number of species discovered always bears a fair proportion to the
amount of labour and patience that has been expended in research.
Thus (and thus solely) we have more species from the neighbourhood
of Eio Janeiro than from any other three or four localities united ;
not because the province of Eio is a focus where examples of this
group especially abound, but because in other provinces we have
not had the advantages of the residence of such zealous and able
naturalists as Mr. Fry and Mr. Miers.

Thus, also, the district of the Amazon supplies to us, in this and
other groups, more new genera and species than the districts of
Bahia and Pernambuco ; but only because we still have to find some
one who, impelled by an earnest love of nature, will devote himself
to the exploration of the basin of the San Francisco River with the
same patient energy that has been manifested by Mr. Bates in his
researches during many years in the district of the Amazon.

In considering, with reference to this group, the interesting ques-
tion as to the probable amount of influence exercised by tropical lati-
tudes on the size and the brilliancy of species, as contrasted with
subtropical latitudes, our present very imperfect knowledge of the
fauna of the Continent as a whole will not permit more than the

* In Chili, which ranges from 40° to 34°, a single species has been detected,
Hypolampsis melanotus.

f The isothermal line of 43° in Spain, however, is the same as that of 36° N.
in the United States.

INTRODUCTORY REMARKS. IX

adoption of general conclusions ; the knowledge, however, that we
possess, scant as it is with regard to many vast districts, completely
bears out the rule that has been established in other groups of
insects, — that while in tropical and in subtropical countries equally,
small and dull- coloured species are found, it is for the most part in
the tropics, properly so called, that (over and above these) large and
splendidly marked species are to be met with. The genus of this
group that of all others is distinguishable for brilliancy of clothing
and coloration is Octogonotes ; the species of this genus have been
discovered only in the tropical north of S. America. The same rule
applies (so far as we are able to fix the distinct regions of the species)
with regard to the genus Thrasygceus ; while, in Africa, the splendid
PJiysonychis smaragdina is found only in Senegambia and Old Cala-
bar (both within the tropics).

To this general rule, however, the genera before us supply two
important exceptions : Loocoprosopus ceranriboides, the largest species
not only of the genus but of the whole group, has been found only
on the southern limits of the tropics, and the handsome genus Mo-
noplatus also is only to be met with in the same latitude, that of
Eio Janeiro ; these two examples (one of which is the example of a
single specific form) are distinct exceptions to what appears to ob-
tain as a very general law. With regard to the geographical range of
the species of the vast genus (Edionychis (the subject of the second
part), it may be urged that, in their case also, there is no infe-
riority of stature or coloration among the subtropical as contrasted
with the tropical species. This may perhaps for the most part hold
good; but in several instances at least, I believe that it may be
shown that this, however primd facie an apparent, is not a real
exception ; and that it will be seen, when that portion of the group
is specially considered, that some (and probably many) of the bril-
liant species composing it, which certainly abound in subtropical
latitudes, are merely local varieties of (if not almost identical with)
species that are met with in tropical districts, — that is, that some
species at least of the genus have, in their several local modifications,
a range almost as extensive as the continent itself ; a fact that we
should, a priori, be led to expect from the abundance numerically of
individuals of these species. Thus, there is a certain parallelism of

X INTRODUCTORY REMARKS.

contrast between this latter genus and the portion of the group now
under consideration ; for while, on the one hand, we have an actual
paucity of examples (combined with comparative paucity of species)
and a limited geographical range to each species, — on the other hand,
we have abundance of examples (combined with abundance of so-
called species) which occupy a very extended geographical range ;
that is, that there is in the latter case an all-pervading and power-
ful influence in favour of increase, which in the former seems to be
wholly or almost entirely wanting. What may be the conditions and
what the limits of this influence, why it affects the one and not the
other group, we cannot now discuss ; doubtless the question is as
interesting as it is difficult : it is interesting because it is the investi-
gation of a principle affecting all life ; and it is difficult because our
present means of knowledge are so scanty, and because it is so easy
to fruitlessly dogmatize, and so hard to examine and in patience
wait.

No travellers or collectors have given us any detailed information
respecting the habits of these insects, either in their earlier stages or
in their mature existence ; it is probable that they pass the larva and
pupa stages under conditions closely similar to those of the same
group in Europe. Perty says of them (Delectus Anim. Artie. 1830,
p. xvii), " quoad mores, parum inter se differunt, pleraque plantas

frequentant (p. xviii) Halticce in Brasilia copiosissiine totum per

annum cequali numero adsunt ; magnitudine Europceas valde superant,
moribus conveniunt. Plerceque in agmina congregantur, et copulationes
hybridce scepissime observantur"

Lacordaire, in his valuable work on Subpentamerous Coleoptera
(vol. i. p. xl), describes the general form of the larva? of this group as,
" iii. Larves mineuses. Larves allongeesf subcylindriques, attenuees d
leurs deux extremites, non mamelonees. NympTies subissant leur me-
tamorphose dans I'interieur desfeuilles ou a vecu la larve, ou dans la
terre. — ALTICA."

In their perfect state, the insects of the group (as represented by
the genus (Edionychis) are most abundant throughout the whole of
Brazil. The traveller sees them flying across his path, or sunning
themselves upon some leaf or flower ; they may be taken readily by
a sweeping-net, or an umbrella inverted, over which the branches

INTRODUCTORY REMARKS. XI

of shrubs are beaten : this, as far as my experience goes, is the most
effective method of securing specimens. There is, however (when
once they are under the inspection of the collector), a manifest dif-
ference in the modes which they adopt to escape from danger. Some
species seek for safety in flight, and use their wings as nimbly and
aptly as a Longicorn or Cicindela ; these are generally the brightly
coloured species, such as those of the genera Monoplatus and (Edio-
nyckis, and doubtless Octogonotes ; to these nature has given no pro-
tection but flight. Others seek protection by adopting a very different
habit — they simulate death, and for some moments may be rolled
over and over in the net or umbrella, to all appearance a mere dead
bud, or atom of clay ; they correspond, in their feigned lifelessness
when captured, to the habits of Chlamys, Lamprosoma, and many
genera of Curculionidce : such are the habits of Omototus and Homo-
typhus.

In order that we may be able to examine the relationships and the
different affinities of the members of this group inter se, it is neces-
sary that we should first of all satisfy ourselves that its natural
limits are clearly defined, and seek also to comprehend something
of its position among, and connexion with, the other forms of the
PHYTOPHAGA. What are its affinities ? what are the forms that na-
turally compose it ? and where ought they (with reference to others)
to be placed ? It is the more necessary to inquire into this, because,
at the first contemplation of the forms comprising the proposed group,
the species are anything but apparently cognate the one to the other.
Such is the diversity of character, and want of similarity in external
appearance, that we should be disposed, primd facie, to intersperse
them among other groups of the Halticidce, or even, in some instances,
to intercalate them among the Eumolpidce. It is perhaps, however,
hardly necessary to enter at length into the consideration of the
question as to whether we should adopt the views of Pabricius, who
broke up and separated the Halticidce into other sections of PHYTO-
PHAGA (as Galeruca and Chrysomela), thus refusing to attach any
value whatever to their saltatorial power ; or whether the views
adopted by Latreille and Illiger, and (to a great degree) by Lacor-
daire, are not the more sound, which, recognizing the saltatorial
power as of some (though not of the highest degree of) importance,

Xll INTRODUCTORY REMARKS.

group together the species possessing it, as comprehending of them-
selves one distinct subsection of the PHYTOPHAGA.

This, the general question, we need hardly here consider, inas-
much as we have another and a more valuable character, which is
common to all that portion of the Halticidce that is the subject of
this Monograph, the globular and bladder-like inflation of the posti-
cal claw. This, so far as we know, is a specialty affecting only this
group of insects ; it is unique, and seems not only to have (it may
be) a greater value, as the basis of arrangement, than the incras-
sated posterior femora, but to possess sufficient importance to per-
mit us, by means of it, to unite together forms of these saltatorial
Halticidae that in external facies are not otherwise than dissimilar
the one to the other.

The thought at once suggests itself (if we have satisfied ourselves
as to the soundness of this basis of arrangement), that if among these
saltatorial Halticidae we can discover a character (this globular in-
flation of the postical claw) which is sufficiently striking and perma-
nent to bring together many different forms, included in the group,
and which at the same time does not introduce any single species
(from among the other sections of PHYTOPHAGA) that does not possess
this saltatorial power, whether some other character may not be dis-
covered among the remaining forms of Halticidae which is common to
them, and to them alone ; and whether it does not, to some extent,
supply an argument in favour of our seeking to unite together, as
one subsection of the PHYTOPHAGA, all species, however dissimilar in
form, that possess this saltatorial power. .

But to return to the more immediate subject before us : we believe
that this globular inflation of the postical claw so far holds good as
the basis of arrangement, that genera and species which -possess it
(although they may differ considerably inter se in general external
form) are really, by means of it, more closely related to each other than
they are to others which (with a greater appearance of resemblance)
are deficient in this peculiar structure. When, however (having
satisfied ourselves as to the questions, what are the natural limits of
the group?, what forms ought to be included, and what excluded?),
we begin to investigate seriatim the species from different countries
that thus compose it, and seek to discover among them natural affi-

INTRODUCTORY REMARKS. Xlll

nities and a natural sequence of arrangement, we find ourselves
involved in some difficulty. A little examination, however, teaches
us (as we should expect would be the case) that we can find import-
ant distinguishing characters in the length and dilatation of the
antennae, in the facies of the thorax, and especially in the form of
the joints of the anterior tarsi and the form of the posterior tibia ;
these, when based upon, and considered in conjunction with another
character (which is of more value even than they are), the form of the
palpi (especially the maxillary), afford, we believe, characters amply
sufficient for the establishment of well-defined genera. In the con-
sideration of the different forms included in this Monograph, the
only genus that has in its definition presented serious difficulties is
the genus Hypolampsis ; it contains within it at least three slightly
but distinctly different forms — that of the first species (H. melanotus),
from Chili, that of the first section of the genus, and that of the
second section. Inasmuch, however, as the species of these latter
groups* are not, in general form, absolutely constant inter se, I have,
after much careful study and microscopic comparison, thought it
better to unite (for the present at least) all together under one single
genus, leaving the task of suggesting subdivisions to future students
who shall have the advantage of a larger amount of materials. It is
probable that other genera, as Eupeges and Homammatus, will (when
we know more of the insect life of the New World) also require
subdivision.

I cannot conclude these preliminary remarks without expressing
my sincere thanks to those of my friends who have supplied me, by
the loan of examples from their cabinets, with materials for this work,
and who have so patiently waited during what might have appeared
to some of them an unnecessarily protracted interval for its com-
pletion, and the return of the examples which they entrust^ to my
care. I can only urge, in extenuation of any apparent delay, that the
professional labours of a Clergyman in London are almost incessant,
and that the subject itself has presented many formidable and unex-
pected difficulties. But, above all, my thanks are especially due to
my valued friend John Gray, Esq., of Bolton-le-Moors : — to him,

* Hypolampsis pilosa, 111., also represents another (North American) modifi-
cation of form.

X1Y INTRODUCTORY REMARKS.

indeed, the merit of this Monograph (if any) is entirely owing ; it was
with him that I undertook the journey that originally suggested the
work ; he has, in furtherance of it, placed at my disposal all that I
required of his valuable entomological library ; and the least of his
kindnesses has been the contribution of the Frontispiece to the
volume, which contains, figures of those species that were captured
by ourselves during our excursion in Brazil.

It may be well perhaps to state (lest any one should suppose that
time has been devoted to this work that might have been devoted to
more important subjects) that the following pages have been entirely
written during the early hours of the morning, before the serious
business of the day has begun. I can testify to the fact that
such studies are not merely not an impediment, but a congenial
recreation and valuable aid : indeed that this is the case — that the
study of Nature is not incompatible with graver pursuits — we have
the high testimony of the illustrious Bacon ; even he could find no
wiser counsel than the following, to offer, as his parting words, to
the students of his day : —

"Quamobrem et vos hortor, ut salva animi modestia, et erga
veteres reverentia, ipsi quoque scientiarum augmentis non desitis ;
verum ut post volumina Sacra Yerbi Dei, et Scripturarum, secundo
loco volumen illud magnum operum Dei et creaturarum, strenue,
et prse omnibus libris (qui pro commentariis tantum haberi debent)
evolvatis : Valete."

Ordo COLEOPTERA.
Sectio PHYTOPHAGA.

Fam. GALERUCIDJE.

Subfam. HAL TIC ARUM (femoribus posticis valde incrassatis) pars, con-
tinens IlUgeri divisiones duas (Mag.furlnsektenkunde, 1807, Sechster
Band, p. 82).

" I. Familie, PHYSAPODES. TJnguis posticus apice sursum globoso-iu-

flatus ; elytra temere punctata aut Isevigata.
"II. Familie, (EDIPODES. Unguis posticus apice sursum globoso-inflatus ;

elytra punctato-striata."

EUPODES, Latreille, RtgneAnim. ed. 2. (1830) vol. v. p. 132 (English edi-
tion, p. xix and p. 134).
CHRYSOMELINES, Dej. Cat. Col. ed. 3. (1837) pp. 407-410.

Genus Octogonotes, Drap., usque ad (Edionychis, Latr.
PHYTOPHAGES, Lacordaire,Monogr.desPhytophages,( 1845) vol. i. pp. li,lii.

Corpus parvum, plerumque parallelo-oblongum, interdum etiani
robustum aut globosum. Caput proniinulum, aliquando porrectum.
Palpi breves, aut filiformes aut incrassati ; maxillaribus quadri- et
labialibus tri-articulatis, ad basin saepius occultatis. Oculi rotun-
dati. Antennas 11-articulatse, art. 2° minuto, filiformes, aut ad
apicem sive ad medium dilatatse. Thorax plerumque inclinatus, ad
latera marginatus et depressus. Scutellum triangulare, mediocre vel
minutum. Elytra oblonga aut oblongo-ovata, interdum etiam rotun-
data aut gibbosa, plerumque laete colorata. Pedes validi, femoribus
posticis valde incrassatis, tibiis rectis aut aliquando modice incurva-
tis ; tarsis quadriarticulatis, art. ultimo ad apicem inflate, globoso ;
unguiculis bifidis, saepius dente infra ad basin armatis.

Habitant in regionibus tropicis et subtropicis, praesertim in America
meridionali ; in foliis plantarum et arborum diversorum apricantes,
et per vias saepenumero volitantes.

TRIBUS I. Palpi maxillares filiformes, articulo 3° hand dilatato,
plus minus cylindrico, nunquam globoso, rarius quadrato.

TEIBUS II. Palpi maxillares ad apicem incrassati (articulo ultimo
interdum minuto}, art. 3° subgloboso aut transverso, nunquam elongato,
rarius quadrato.

B

MONOPLATUS.

TRIBUS I.

Genus 1 . MONOPLATUS *. (FRONT, figs. 1 <fc 2. TAB. I. figs. 1-4.)
Dej. Cat. ed. 3. 1837, p. 407.

MANDIBUL^ robustce, ad marginem inferiorem dentatce.
PALPI MAXILLARES subelongati ; LABIALES robusti.
AxtiES'SMfiliformes, art. 1™° et 2ndo subdilatatis.
OCULI exstantes, globosi.

CAPUT leviter productum, antice subattenuatum, in $ transversum,
latum, in 3 constrictum.

THORAX transversus, angulis anticis subdepressis, lateribus marginatis,
rectilinearibus, ad basin transverse foveolatus, impunctatus fere,
et glaber.

ELTTBA sat lata, subcylindrica, ante medium plus minusve oblique

depressa, punctato-striata plerumque, vel punctata ; scepe co-

lorata.
PEDES robusti; tarsi anterior es breves, dilatati; femora posterior a in-

crassata, oblique truncata ; tibice robustce, longitudinaliter mar-

ginatce, et apicem juxta dentatce.

Mas Tiabet antennas longiores, caput brevius, oculos globosos et
prominentes, elytra parallela subattenuata, tarsosque ad basin di-
latatos.

Labrum transversely subrotundate.

Mandibles robust, deflected at the apex into a sharp, acute,
double point ; at the inner margin (immediately below the apex)
is a single well-defined tooth, formed by a double depression in the
surface.

Maxillary palpi (Front, figs. 1 m & 2 m) subelongate ; the second
joint long, narrow, obliquely truncate; the third short, ovate; the
apical joint longer than the second, and nearly as long as the third,
subacute at its extremity.

Labial palpi (Front, figs. 1 n & 2 n) : the first joint rounded at the
apex ; the second broad and short ; the apical considerably narrower
than the second, equal to it in length, and subacute.

Antennae approximate, situated immediately below the inner mar-
gin of the eyes, tolerably robust, filiform ; in the males equal in
length to that of the elytra, in the females shorter by one-third than
the elytra ; the first joint broad, gradually dilated, and reflected
outwards ; the second short, ovate ; the third as long as the first,
more attenuated than the second ; the fourth very slightly longer

* fiovos, solus ; TrXarvs, latus.

MONOPLATTTS. '*

than, and similar in form to, the third ; the rest somewhat shorter,
subequal, oblong, the last (the terminal joint) being more elongate
and subacute.

Eyes round, globular, prominent, not extending in either sex,
laterally, so far as the anterior angles of the thorax ; in the males
situated at some little distance in front of, in the females immediately
in front of, the base of the head.

Head (Front, fig. 1 a) slightly produced (not so distinctly as in
Wiinotmetus) and subattenuate in front ; in the males narrower and
rather more elongate than in the females (in which it is broad and
transverse).

Thorax broader than the head, transverse, rectangular ; the ante-
rior angles depressed, the sides rectilinear and marginate ; at the
base (apparent in every species) is a narrow transverse regular groove
(running exactly parallel to the line of the margin), which terminates
abruptly (before it reaches the posterior angles) by being deflected
at right angles towards the basal line ; the surface generally almost
impunctate and glabrous.

Scutellum triangular, impunctate.

Elytra broader than the thorax, parallel, subcylindrical ; in the
females broader and much more robust than in the males ; more or
less transversely depressed from the antemedial suture towards the
shoulders (by which an appearance of prominence is given to the part
near the scutellum), punctate-striate or punctate, more or less di-
stinctly ; impubescent and brightly coloured.

Legs, in the males, longer and more robust than in the females.
The anterior femora robust, subdilated medially, impubescent. The
tibice straight, at the immediate apex incurved downwards, slightly
thickened towards the base, truncate at their termination. The tarsi
(Front, fig. 2 d) short ; the basal joint broad and produced, broader
than the apex of the tibia3, ovate at the base and abruptly truncate
at the apex ; the second is minute, triangular and subelongate, in
length not more than one-third of the basal joint, and in greatest
breadth not one-half the breadth of the basal joint ; the third joint
is distinctly and broadly bilobed, in length not equal to the second
joint, but transversely broader; the terminal joint is elongate,
slender, slightly incurved, and gradually increasing in thickness
towards its apex. The terminal claw (Front, fig. 2 e) is bifid and
minute ; the three basal joints are completely and densely fringed
with thick pubescence. The posterior femora (Tab. I. fig. I/)
are incrassated, extending in the males nearly to the apex of the
abdomen ; at the apex (at the insertion of the tibiae) they are ob-
liquely truncate. The tibice (Tab. I. fig. 3 g) are robust, straight,

B2

v

MONOPLATUS.

in length nearly equal to that of the femora ; at the immediate base
incurved downwards, and gradually more robust towards the apex :
when seen obliquely, the surface throughout posteriorly is flattened,
and raised on either side into two distinct marginations ; on the outer
margin near the apex are several spur-like prominences, giving the ap-
pearance of a coarsely-toothed saw ; these projections (seen best when
viewed obliquely from behind) are six or seven in number, becoming
more distinct and frequent as they approach the base : immediately
behind the last (the apical) in the margination, between this and
the terminal incurved claw, is a short but abrupt ridge, which
is armed with several closely disposed minute teeth ; these are not
only much more minute, but also more prominent, and acute, and
closely arranged, than the projections in the margination. It is
remarkable that this serrated emargination is only apparent in the
females-, in the males it is entirely wanting, or else represented
merely by a little irregularity of outline. The insertion of the
tarsus is at the apex of the tibia ; immediately below the insertion
are two incurved teeth, situated at the extreme apex of each of the
lateral margins of the tibia : the tarsus (Tab. I. fig. 2h) is short ; the
basal joint is dilated, its breadth being greater even than that of the
apex of the tibia, slightly carinated medially in its upper surface,
and flat (in the females this joint is much narrower and more
contracted, though of the same length as in the males) ; the second
joint is elongate and narrower than the first, attenuated at the base
and slightly tapering towards the apex ; in both sexes this joint is
of similar form ; the third joint is shorter and somewhat broader,
almost bilobed, and covered with a very fine and thick pubescence ;
the terminal joint (which is not so elongate as that of the anterior
tarsi) is inflated at its extremity into a globular projection, which
entirely covers, from above, the apical claw ; the apical claw is
minute, bifid, and armed at its inner surface with an almost obsolete
tooth.

The sexual distinctions of this genus are striking and very in-
teresting. I premise, however, that they are sexual (and not spe-
cific or generic) from the fact that, although during our collecting in
Brazil we never succeeded in taking them in copula, both forms
were taken together under the same circumstances, at the same
times, and at the same different localities in the Organ Mountains.
The antennae in the males are longer, the head slightly smaller ; the
eyes are distinctly more prominent and globose ; the body is much
more narrow, cylindrical, and less robust ; the legs are comparatively
longer and more robust, and the basal joint of the tibiae is very
broadly dilated : these are sexual distinctions which we should ex-

MONOPLATUS. 5

peel to find in the male ; but there is this peculiar characteristic in
the female, that its posterior tibias are armed with series of tooth-
like prominences, which are not only not so clearly developed, but
are hardly traceable at all in the males.

To a greater or less extent in most of the Haltlcce proper and Lon-
gitarsi, the enlargement of the basal joint of the tarsus (Front, fig. 2 a)
holds good as a sexual characteristic. Sometimes this is only faintly
expressed; thus in the European Longitarsi it may be traced di-
stinctly, although comparatively obsolete. Mr. "Wollaston finds the
same sexual contrast in a Canarian species (Longitarsus Kleiniiperda,
Woll.). In examples which I have received from him, the antical
tibiae (as well as the anterior tarsi) are dilated in the males ; but the
basal joint of the tarsi, although much more prominent than in Eu-
ropean species, is considerably less developed than in the group before
w—Monoplatu£. Thus we find that in this instance at least, the
sexual distinctions which obtain in a part of the same subfamily of
insects, and which are apparent in the temperate zones, become more
pronounced in the subtropical, and attain their maximum of difference
in the representative group which is found in the regions nearer to
the equator.

1. Monoplatus nigripes. (TAB. I. fig. 1.)

M. ( $ ) oblongo-ovalis, subcylindricus, glaber, niger ; capite brevi,
depresso, antice inter oculos subtiliter foveolato, impunctato,
Jlavo-ferrugineo ; thorace quadrato, antice emarginato, ad basin
transverse canaliculato, impunctato, flavo, nitido ; elytris robustis,
punctato-striatis, adapicem subattenuatis, nigris, nitidis; antennis
filiformibus, nigro-fuscis ; pedibus nigris, femoribus anticis fiasco
suffusis.

$ Long. corp. 3 lin., lat. 1| lin.

Oblong-ovate, robust, subcylindrical, impubescent, shining, black.
Head short, depressed, not produced in front ; the eyes are large,
prominent, and black, situated at the base of the head, the distance
between them being not greater than the diameter of either ; above
the base of the antenna is an irregular medial depression ; the sur-
face is impunctate, shining, and rufo-ferruginous. Thorax broader
than the head, transverse, and rectangular ; the anterior margin is
distinctly and circularly emarginate; the anterior angles are sub-
acute and depressed ; the sides marginate, especially anteriorly ; the
basal angles are slightly truncate : parallel to the margin of the base
is a well-defined thread-like fovea, which does not extend to the-
sides, but is abruptly and at right angles deflected to the base ;
this fovea is in its course slightly subsinuate ; the surface is im-

6 MONOPLATUS.

punctate, rufo-ferruginous, and glabrous. Scutellum triangular, im-
punctate, black. Elytra broader than the thorax, subcylindrical,
and subattenuated towards the apex ; an antemedial transverse ob-
solete depression gives prominence to the surface near the scutellary
angles ; punctate-striate, black, shining. Antennae, filiform, fuscous.
Legs black, the anterior femora being at their base suffused with
rufous.

Examples of the females of the species were taken by my friend
Mr. Gray and myself at Petropolis (Organ Mountains, Province of
Rio Janeiro), February 1859. A slight tendency to variation may
be traced among them in the colour of the thorax.

2. Monoplatus Presidenciae.

M. ( $ ) oblongo-ovalis, subcylindricus, glaber, niger ; capite brevi,
impunctato, rufo, inter oculos (magnos, nigros) transverse sub-
tiliter foveolato ; thorace transverso, antice emarginato, ad latera
marginato, ad basin transverse canaliculate, impunctato, rufo ;
elytris robustis, punctato-striatis, ad apicem subattenuatis, nigris,
nitidis; antennisjlliformibus, fuscis ; pedibus rufis, tar sis tibiis-
que anterioribus fusco-nigris.

$ Long. corp. 3J lin., lat. 1| lin.

Oblong-ovate, robust, subcylindrical, impubescent, black, gla-
brous. Head short, transverse, not produced in front ; the eyes are
large, occupying a considerable portion of the head, prominent, and
black; between the eyes is a minute transverse fovea; the surface
is impunctate, glabrous, rufous. Thorax broader than the head, trans-
verse, rectangular; the anterior mar gin is medially emarginate (but
not so deeply as in M. nigripes) ; the anterior angles are subacute,
slightly prominent and depressed ; the sides marginate : at the base
is a transverse fovea (which runs parallel to the line of the base),
but which is deflected (before it reaches the lateral margins) at right
angles to the basal line ; this fovea is not, as in nigripes, subsinuate,
but accurately parallel to the line of the base : the surface is im-
punctate, shining, rufous. Scutellum triangular (somewhat longer
and more distinct than in nigripes), glabrous, black. Elytra broader
than the thorax, robust, subcylindrical, slightly attenuate at the
apex, punctate-striate; near the scutellary angles the surface is
somewhat gibbous (the strias and punctures being more obsolete) ; at
the fifth and sixth striae near the shoulders is a slight longitudinal
depression. Antennce filiform, fuscous, the three basal joints being
rufous. Legs rufous, the anterior tibiae and tarsi being fuscous.

The only example of this species (a female) was taken at Presi-

MONOPLATUS. 7

dencia (the English boarding-house kept by the late Mr. Land,
Organ Mountains), during the visit of Mr. Gray and myself in
February 1857. The species differs from nigripes and distinguendus
(to both of which it is closely allied) by the coloration of its head
and legs : from nigripes it is structurally separated by its transverse
and linear fovea between the eyes, by its rectilinear (and not sub-
sinuate) transverse canaliculation at the base of the thorax, and by
the less deep emargination of the anterior margin of the thorax ;
from distinguendus it differs by its concolorous elytra, and by the
absence of any spot on the crown of the head. The three species,
although unquestionably closely allied, appear to me to have ample
marks of difference which separate them each from the others.

3. Monoplatus distinguendus. (TAB. I. fig. 2.)

M. oblongus, subparallelus, niger, nitidus ; capite brevi, impunctato,
ferrugineo ; thorace transverso, rectangulari, antice subemargi-
nato, angulis anterioribus prominulis depressis, apud basin
fovea lineari transversa ornato, impunctato, flavo ; elytris par-
allelis, subdepressis, punctato-striatis, ad basin paulum elevatis,
nigris, ad humeros flavo-marginatis ; antennis filiformibus, art.
1-4 ferrugineis, reliquis nigris ; pedibus flavis, tarsis tibiisque
apicalibus nigris.

c? Long. corp. 3 lin., lat. 1J lin.

Oblong, subparallel, subdepressed, black, shining. Head short,
transverse, hardly produced ; eyes large, prominent, black, occupying
a considerable portion of the head ; between the eyes is an obsolete
longitudinal impression ; ferruginous. Thorax broader than the head,
transverse, in front slightly emarginate (not so distinctly as in the
former species) ; the anterior angles are slightly prominent and de-
pressed ; the sides marginate and parallel ; at the base is a narrow
and well-defined channel, terminated (by being deflected at right
angles to the line of the base) before it reaches the lateral margi-
nation; the surface impunctate and flavous. Scutellum tolerably
large, triangular, impunctate, black. Elytra somewhat broader than
the thorax, parallel, slightly depressed, rounded at the apex ; punc-
tate-striate, the punctures being distinct and frequent, the stride
shallow ; near the scutellary angles the surface is impunctate, and
slightly raised, in a subcircular form : black, with the anterior (ante-
medial) margins flavous. Antennae tolerably long, filiform, fuscous,
with the four basal joints ferruginous. Legs flavous throughout,
the tarsi and the apical part of the tibiae being fuscous-black.

Several males of this species (I have never seen the female) were
taken by Mr. Gray and myself at Petropolis in February 1857.

8 MONOPLATUS.

Although of the preceding species (M. nigripes and Presidendce}
I have only been able to examine females, and of this species
only males, I have, after much examination, no doubt that they are
abundantly distinct the one from the other. M. distinguendus may
be known (irrespective of its different coloration, especially the flavous
margination of the elytra) by its manifestly less deep striation on the
elytra ; sometimes this is almost imperceptible, except under a high
power. There is also abundant distinguishing character in the mark-
ings on the head.

4. Monoplatus Grayii. (FRONT, fig. 1.)

M. oblongo-ovalis, subdepressus, parallelus, niger, nitidus ; capite
brevi, subdepresso, hand elongato, inter oculos longitudinaliter
foveolato, fusco-bimaculato ad basin, inter oculos; thorace trans-
verso, rectangulari, angulis anticis subacutisprominulis, ad latera
marginato, ad basin fovea transversa haud latera attingit, im-
punctato, fusco ; elytris subparallelis, punctato-striatis, sutura,
marginibus, fasciisque duabus transversis (interdum etiam ely-
trorum basi)flavis; antennispiceis, ad basin flavis; pedibus flavis.

c? Long. corp. 3 lin., lat. 1 lin.

Oblong-oval, subdepressed, parallel, black, shining. Head very
small, not elongated; eyes large, distant, prominent, reaching laterally
nearly as far as the apical angle of the thorax ; between the eyes,
above the insertion of the antennae, is a small obsolete longitudinal
impression ; the surface impunctate ; near the inner and posterior
margin of the eyes are two subcircular obsolete fuscous spots. Thorax
transverse, rectangular, in front very slightly emarginate ; the an-
terior angles are subacute and depressed ; the sides marginate, most
distinctly anteriorly ; at the base is a transverse linear fovea, nearly
parallel to the margin, which does not extend to the lateral margi-
nation, but is abruptly deflected to the base ; surface impunctate,
flavous. Scutellum triangular, impunctate, shining. Elytra parallel,
somewhat depressed, punctate-striate, black ; the lateral margination
(which is distinct) and the suture (except as either approaches the
base) are flavous: two transverse regularly formed fasciae of the
same colour are situated, the one medially (which is slightly deflected
towards the base as it approaches the margination), the other nearer
to the base, at the distance from the former of its own breadth : in
some examples the apex also is flavous. Antenna} filiform, as long as
the elytra, the joints being severally of the form of those of allied
species ; first to fourth flavous, the rest fuscous or piceous.

The above description is from a male. Although several examples

MONOPLATUS. 9

of the species were captured by Mr. Gray and myself in the imme-
diate neighbourhood of Petropolis (Organ Mountains, Rio Janeiro),
none of them were females.

I name this handsome species after my friend and fellow-traveller
John Gray, Esq., to whom, for many personal kindnesses, I am
happy to acknowledge my obligations.

5. Monoplatus Miersii.

M. oblongo-ovalis, robustus, rufus, nitidus ; capite parvo, depresso,
oculis magnis, hand exstantibus, ad basin capitis attingentibus,
impunctato, rufo-fusco ; thorace transverse, marginato, angulis
anterioribus acutis, ad basin transverse subdepresso et foveolato,
fusco-rufo (inter foveam basinque nigro) ; elytris subdepressis,
punctato-striatis, nitidis, fasciis duabus nigris (ad suturam in-
terruptis), hac ad humeros lata, ad marginem attenuata, ilia ad
medium parva, inco'nstanti (aliquando maculas duas tantum
efficienti) ; antennis fuscis, ad basin rufis ; pedibus rufis, tarsis
tibiisque anterioribus nigris.

$> Long. corp. 3 lin., lat. 1| lin.

Oblong-oval, robust, rufous, shining. Head transverse, very slightly
produced, impunctate, rufo-fuscous ; eyes large, prominent, at some
distance from each other, and almost touching posteriorly the thoracic
margin. Thorax transverse, rectangular in front, slightly emargi-
nate ; the anterior angles slightly produced and curved outwards in
the shape of a tooth ; the sides distinctly marginate ; at the base is a
regular transverse groove, parallel to the margin, which is deflected
abruptly towards the base of the elytra before it reaches the humeral
angle ; the base of the thorax (between this groove and the margin)
is very dark fuscous or even black. Scutellum triangular, impunctate,
rufous. Elytra broader than the thorax, robust, subcylindrical, ovate,
finely punctate-striate, rufous : two irregular black transverse fasciae
are interrupted at the suture, and do not reach the margin ; the
anterior fascia reaches at its upper margin nearly to the base of the
scutellum, and thence obliquely decreases in breadth towards the
margin ; it is separated from the suture by the breadth of a single
stria, and from the margin by the distance of three striae; the
posterior fascia is hardly so broad as the anterior, and in one example
takes the form of two oblong irregular postmedial spots. Antennae
filiform, fuscous, with the basal joints rufous. Legs rufous, with the
anterior tibise and tarsi, and also the outer edge of the posterior
tibiae darkly-fuscous.

Brazil. In the collections of Messrs. Miers and Murray,

In general appearance this insect approaches to M. Grayii ; it

10 MONOPLATUS.

may be readily separated by its rufous colour and completely dif-
ferent arrangement of the transverse bands. Both the examples
which have come before me of this species are females.

6. Monoplatus apicatus.

M. oblongo-ovalis, parallelus, subdepressus, testaceo-rufus, nitidus ;
capite parvo, oculis eocstantibus, magnis ; thorace transverso,
rectangulari, marginato, ad basin transverse foveolato ; elytris
parallelis,punctato-striatis,ad basin nigris; antennisjiliformibus,
fuscis, ad basin flav is ; pedibus flavis, fusco adumbratis.

c? Long. corp. 2| lin., lat. 1^ lin.
$ Long. corp. 3| lin., lat. 1| lin.

Oblong- ovate, depressed, parallel, rufo-testaceous, shining. Head
transverse, not produced; eyes very large, prominent, but not extending
laterally as far as the anterior angles of the thorax ; between the eyes
and above the insertion of the antennae is a small, obsolete, longitudinal
depression ; surface impunctate, black, shining ; two circular dark-fus-
cous ocelli-like markings are faintly apparent at the posterior and inner
margin of the eyes. Thorax transverse, rectangular; the anterior
angles depressed, but slightly prominent ; the sides marginate ; pos-
terior angles distinct ; parallel to the base is a transverse narrow
fovea which terminates abruptly before it reaches the margination ;
surface impunctate, rufo-testaceous, slightly suffused (in the exam-
ples before me) with fuscous ; shining. Scutellum distinct, trian-
gular, impunctate, fuscous. Elytra subcylindrical, slightly depressed,
rounded at the apex, punctate-striate, with the humeral and scutellar
angles broadly gibbous; rufo-testaceous (slightly paler than the
thorax), with the apex black (this colouring at the apex occupies
about one-fifth of the whole surface of the elytra, and is defined by
a regular transverse margin, the line of which inclines in the direc-
tion of the base, as it approaches the margination). Antennas filiform,
of the length of the elytra ; the first joint long, and incrassated at the
apex ; the second short, ovate ; the third and fourth nearly equal ;
the first to fourth (with the exception of the upper part of the first
and second) testaceous, the rest fuscous. Legs rufo-testaceous through-
out, the femora being more or less suffused with fuscous.

The above description is taken from a male. The females are more
robust, less parallel ; the legs, especially the posterior pair, somewhat
shorter in proportion to the body; the head larger, but the eyes
smaller and less prominent, and the antennae shorter.

Specimens of both sexes were captured by Mr. Gray and myself in
the immediate neighbourhood of Petropolis (Organ Mountains, Bio
Janeiro), February 1857.

MONOPLATUS. 11

7. Monoplatus bimaculatus. (TAB. I. fig. 3.)

M. oblongo-ovalis, robustus, impubescens, cervinus, nitidus; capite
brevi, subpunctulato, ad basin leviter nigro-vittato, oculis promi-
nulisj hand exstantibus ; thorace transverse, rectangulari, angulis
anterioribus depressis, subacutis, marginato, ad basin transverse
foveolato, glabro, nigro-irrorato ; elytris robustis,punctato-striatis,
ad medium maculis duabus circularibus nigris; antennis fili-
formibus, elytris brevioribus, art. secundo et tertio flavis, ceteris
fuscis; pedibus nigro-fuscis, femoribus ad basin Jlavis.

2 Long. corp. 4 lin., lat. 1| lin.

Oblong-oval (the female), robust and subcylindrical, of a fawn-
colour throughout, impubescent, shining. Head short, transverse,
impunctate (by means of a high power of the microscope fine punc-
tures are visible) ; above the base of the antennse, and between the
eyes, is an obsolete but distinctly impressed transverse fovea ; obliquely
subsinuate, or medially angulated ; at the base is a narrow transverse
band or collar of black, extending along the margin from eye to eye : eyes
tolerably large, distant ; their outer margin does not reach, laterally,
the line of the anterior angle of the thorax. Thorax transverse, rect-
angular, anteriorly sw&emarginate ; the anterior angles are subacute
and depressed; the sides marginate and slightly arcuate, and the
basal angles distinct, but closely contiguous to the elytra ; at the
base is a deep and well-defined transverse fovea, not extending to
the sides, but abruptly deflected before it reaches the humeral angle,
and terminating in the line of the base ; surface somewhat globose,
finely punctate, especially at the base, irrorated irregularly through-
out with black. Scutellum small, triangular, impunctate, shining.
Elytra robust, much broader than the thorax, subcylindrical ; the
surface near the scutellar angles turgescent ; punctate-striate, with
two circular black spots slightly in front of the middle, and extending
laterally from the second to the sixth stria. Antennce filiform, not
so long as the elytra ; the first joint long, dilated, and inflected out-
wards at the base, black, or dark fuscous ; second short, ovate, flavous ;
the third longer than the first, fine, and flavous ; the rest dark fuscous.
Legs dark fuscous throughout, the base of the femora being flavous.

The above description is taken from a female.

A single specimen of this fine species was captured by Mr. Gray
in February 1857 at Petropolis (Organ Mountains, Eio Janeiro).

8. Monoplatus croceus. B.M.

M. oblongo-ovalis, croceus, nitidus ; capite brevi, minuto, fovea inter
oculos obsoleta longitudinali, impunctato, glabro ; oculis magnis,
exstantibus ; thorace transverso, rectangulari, angulis anticis pro-

12 MOXOPLATTJS.

minulis, marginato, ad basin distincte foveolato ; elytris medio-
cribus, parallelis, subdepressis, ad basin apud humeros, etiam
prope scutellum distincte subglobosis ; antennisfiliformibus,fuscis,
ad basin rufis vel rufo-flavis ; pedibus flavis aut croceis, tar sis
tibiisgue anterioribus nigris.

J Long. corp. 2| lin., lat. 1^ lin.

$ Long. corp. 3£-3| lin., lat. l|-lf lin.

Oblong-ovate, slightly depressed, subparallel, impubescent, pale
yellow, shining. Head short, small, transverse, not produced in
front ; eyes large, globular, and prominent (not extending laterally
so far as the humeral angle of the thorax) ; between the eyes, and
above the insertion of the antennae, is an obscure longitudinal de-
pression ; surface impunctate, testaceous, somewhat clouded with fus-
cous, glabrous. Thorax transverse, rectangular, in front distinctly
emarginate ; the anterior angles depressed, but subacute ; the sides
marginate; at the base is a narrow transverse thread-like fovea,
which is deflected abruptly into the margin of the base before it
reaches the humeral angles ; surface impunctate, of the same colour
as the head, shining. Scutellum triangular, impunctate, flavous.
Elytra parallel, subcylindrical, the sides distinctly marginate ; punc-
tate-striate ; the surface near the scutellary angles slightly gibbous,
croceous (in different examples the shade of yellow varies ; in some
it has the depth of colour of the yellow band of Trichius fasciatus,
while in others it is almost pale flavous). Antennae filiform, of the
length of the elytra; the first joint large, inflected outwards and
dilated at the base ; the rest as in the adjoining species ; the first to
the fourth rufo-ferruginous, the rest fuscous. Legs flavous or cro-
ceous, with the tarsi and (more or less) the anterior tibiae black.

Var. A. Head and thorax rufous ; elytra flavous, irrorated (espe-
cially towards the apex) with black ; antennce rufous, with the fifth
to the eleventh joints fuscous ; legs rufous, the tarsi and anterior
tibiae being black.

The above description of the insect was taken from a male ; that
of the variety from a female. The different sexes of this species have
the same characteristics that obtain among its congeners. The males
are smaller, less robust, more depressed ; the head is smaller, while the
eyes are larger and more prominent ; the legs have slightly, in reality
(as well as when contrasted with the different size of the bodies), a
longer development ; and the antennce are very apparently more
produced.

This species is evidently subject to great variation in the shades
of its colouring ; in the examples before me, no two specimens abso-
lutely agree in every point. It is at once separated from jucundus,

MONOPLATFS. 13

to which alone it approaches in colouring, by the striation on the
elytra (which is entirely obsolete in jucundus) and by the puncturing
of the striae, which is distinct, broad, and deep.

Taken by Mr. Gray and myself, abundantly, in the neighbourhood
of Petropolis (Organ Mountains, Rio Janeiro), February 1857. A
single specimen has also been found by Mr. Squire in the neigh-
bourhood of Rio Janeiro.

9. Monoplatus jucundns.

M. oblongo-ovatus, latus, subdepressus, impubescens, rufus ; capite
brevi, inter oculos longitudinaliter depresso, impunctato ; thorace
transverse, ad basin foveolato, impunctato ; elytris latis, leviter
striato-punctatis ; antennis filiformibus, fuscis, ad basin ferru-
gineis ; pedibus ferrugineis, tibiis tarsisque anterioribus, tarsisque
posticis nigris.

2 Long. corp. 3 lin., lat. If lin.

Oblong-ovate, broad, depressed, impubescent, of a bright rufous
colour throughout. Head short, depressed, not produced in front ;
eyes large, situated at the base of the head, not extending laterally
as far as the anterior angle of the thorax ; between the eyes and
above the insertion of the antennae is a distinct longitudinal de-
pression ; the surface impunctate. Thorax transverse, rectangular,
in front obsoletely emarginate ; the anterior angles very much de-
pressed, subacute, produced laterally beyond the line of margination ;
the sides marginate, especially towards the apical angles, subsinuate ;
at the base a narrow transverse fovea extends parallel to the margin
and terminates on either side in an abrupt inflection towards the
base ; the surface impunctate. Scutellum large, triangular, impunc-
tate. Elytra broad (much broader than the thorax), robust, and
depressed, with rows of very fine punctures arranged as striae ; the
surface near the scutellary angles is somewhat raised, and the striae-
like punctures become almost obsolete ; the sides distinctly margi-
nate. Antennae shorter than the elytra, filiform ; the joints arranged
as in the allied species, the first to the third ferruginous, the rest
fuscous. Legs ferruginous, with the anterior tibiae, tarsi, and the
posterior tarsi black.

Captured by Mr. Miers in the neighbourhood of Rio Janeiro. In
the collection of Mr. Miers and also of the Rev. H. Clark.

M. jucundus not only differs in its colour (being much more
brightly and uniformly rufous) from croceus, but also in the punc-
tuation of its elytra ; there is, in this species, a total absence of any
appearance of striae, and the punctures themselves are very much
more minute.

14 MONOPLATUS.

10. Monoplatus sexsignatus. (TAB. I. fig. 4.)

M. oblongo-ovatus, subparallelus, impubescens,pallideflavus ; capite
transverse, impunctato, ad apicem fulvo, ad basin nigro ; thorace
transverso, rectangularly ad latera marginato, ad basin transverse
lineato, impunctato, glabro, flavo-ferrugineo ; elytris parallelis,

punctato-striatis, flavis, ad basin lineis duabus longitudinalibus,
ad apicem tertia subrectangulari, nigris ; antennis filiformibus,

fuscis, ad basin flavis ; pedibus flavis.

Long. corp. 3 lin., lat. 1J lin.

Oblong-ovate, subparallel, impubescent, pale flavous. Head trans-
verse, subproduced ; eyes large, prominent, situated at the base of
the head; surface impunctate, shining at the apex and fulvous,
above black. Thorax transverse, broader than the head, rectangu-
lar ; the anterior angles distinctly defined and subdepressed ; the
sides marginate ; at the base, and parallel to the basal line, is a well-
defined thread-like fovea, which terminates abruptly before it reaches
the lateral margins, being deflected at right angles to the basal line ;
the surface impunctate and glabrous ; the colour flavo -ferruginous.
Scutellum triangular, flavous, suffused in the middle with fuscous.
Elytra broad, robust, parallel, distinctly punctate -striate ; impunc-
tate and glabrous between the striae ; the colour pale flavous : at the
base, between the third and fifth striae, is a longitudinal marking,
which extends from the shoulders one-quarter of the whole length
of the elytra ; at the shoulders, at the eighth stria (immediately
above the outer margination), is a second linear marking, extending
longitudinally nearly one-half of the whole length of the elytra ; at
the apex is a third marking, between the fourth and the seventh
striae, subrectangular, irregular in outline, situated at about the same
distance from the extreme apex as it is from the suture, approaching
more nearly to (though not reaching) the margination ; these mark-
ings are black, slightly suffused at their margins with rufous. An-
tennce fine, filiform, fuscous ; the basal joints flavous. Legs flavous
throughout.

Brazil. In the collection of M. Chevrolat.

11. Monoplatus quatuor-notatus. (FRONT, fig. 2.)

M. oblongo-ovatus, parallelus,subcylindricus,punctato--striatus, pal-
lide testaceus, glaber; capite oblique fov eolato inter oculos, impunc-
tato, nigro, nitido ; thorace transverse, ad basin transverse foveo-
lato, rufo-flavo, impunctato, nitido ; elytris parallelis, punctato-
striatis, pallide testaceis, maculis duabus ad Tiumeros, alterisque
versus apicem nigris; antennis filiformibus, fuscis, ad basin
flavis; pedibus flavis.
c? Long. corp. 3 lin., lat. 1 lin.

MONOPLATT7S. 15

Oblong-ovate, parallel, subcylindrical, punctate-striate, of a pale
testaceous colour. Head transverse, slightly produced ; between the
eyes (immediately adjoining the base of the antennae) is a minute
obliquely angulated fovea, in the form of the letter V; between
these two depressions is an obsolete elongated puncture (medial and
longitudinal) ; the eyes are large, prominent, and globose, situated at
the base of the head, and extending laterally nearly as far as the
anterior angles of the thorax ; surface impunctate, black, glabrous ;
near the posterior and inner margins of the eyes are two obscure
fuscous spots. Thorax transverse, rectangular, hardly emarginate in
front; the anterior angles are subacute and depressed; the sides
marginate; at the base is a narrow and well-defined transverse
groove, extending parallel to the line of the base, which terminates
abruptly (before it reaches the sides) by being inflected at right
angles to the posterior margin ; the surface is impunctate throughout
and rufo-flavous. Scutellum triangular, impunctate, flavous. Elytra
broader than the thorax, parallel, subdepressed, slightly acuminated
at the apex, punctate-striate (the striae being almost obsolete, and
the punctures distinct and evenly distributed throughout) ; an ob-
solete antemedial depression (apparent when viewed laterally) gives
a prominence to the surface near the base : two transverse black
fasciae (the one at the base, the other near the apex) are interrupted
at the suture, and thus form four black spots ; those at the base are
distant from the suture by the breadth of rather more than a single
stria ; they extend towards the apex one-sixth of the whole length
of the elytra (or two-fifths of a line), their posterior margin being
subsinuate in outline ; at the sides they "reach, but do not colour, the
line of margination : the apical markings are separated by a single
stria from the suture, and immediately approach, but do not reach,
the apex ; in form these are subcircular. Antennae long, filiform ;
the joints one to four flavous, five to eleven fuscous. Legs flavous
throughout.

From the neighbourhood of Petropolis (Organ Mountains), Feb.
1847 ; the only example taken by us being a male.

12. Monoplatus semichalybeus.

M. oblongo-ovatus, parallelus, punctato-striatus, ferrugineo-rufus,
gldber ; capite brevi, inter oculos transverse foveolato, impunctato ;
thorace transverse, ad basin subconstricto et transverse foveolato,
ad latera marginato, impunctato; elytris parallelis, punctato-
striatis, ad apicem dimidio nigro-cyaneis ; antennis filiformibus,
nigro-fuscis, art. 1-3 rufo-flavis ; pedibus rufo-flavis.

<J Long. corp. 2J-2} lin., lat. 1 lin.

16 MONOPLATUS.

Oblong-ovate, subparallel, subde pressed, minutely punctate-striate,
glabrous, ferrugineo-rufous. Head short, depressed, very slightly
produced ; above the labrum is a transverse linear depression ; im-
mediately above the base of the antennae is a transverse depression
which gives a prominence to two obsolete oblique elevations between
the eyes, forming together (broadly, and at an obtuse angle) the
character of the letter V ; eyes large, globose, prominent, situated at
the base of the head, extending laterally as far as the anterior angles
of the thorax ; the surface at the base of the head impunctate and
glabrous. Thorax transverse, rectangular, slightly constricted at
the base, hardly emarginate in the front ; the anterior angles are de-
pressed and subacute, the sides marginate ; parallel to the basal line
is a well-defined transverse fovea, which terminates abruptly before
it reaches the sides by being deflected into the line of the base ;
the surface is impunctate, ferrugineo-rufous, clouded sparingly and
minutely with fuscous. Scutellum triangular, impunctate, rufous.
Elytra broader than the thorax, robust, subparallel, very faintly
punctate-striate (the striaB being almost obsolete, and the punc-
tures frequent and very minute) : from the humeral angles extend
two longitudinal carinations parallel to the margination, one between
the eighth and ninth, the other at the eleventh stria ; these carina-
tions become obsolete as they approach the apex ; an antemedial
depression extends transversely as far as the first carination, which
(when viewed laterally) gives an appearance of prominence to the
surface near the scutellum : the antemedial elytra are in colour
ferrugineo-rufous, clouded minutely and sparingly with fuscous ; the
apical portion of the surface is dark cyaneous ; the line of demarca-
tion being somewhat antemedially transverse, and falling away ob-
liquely towards the apex as it approaches the line of margination.
Antennae long, filiform, of a dark fuscous colour, the three basal
joints being rufous. Legs flavo-rufous throughout.

In one of the examples of this species, the azure-blue of the apical
half of the elytra is represented by black, the anterior tibiae and tarsi
also being black.

This species, and those immediately allied to it, approach in co-
louring to M. apicatus. Of the latter, the apex only (that is, hardly
one line of the 2^ lines — the length of the elytra) is black : in M.
semichatybeus, more than half of the elytra is deep azure or black
(that is, 11 line of 2\ — the length of the elytra). This distinction
obtains so exactly and so uniformly in the different examples of
either modification of colouring (of which I have both sexes), that of
itself (without any reference to well-defined though minute structural

MONOPLATUS. 17

differences) it is almost sufficient to render it impossible that one
should be constituted merely a variety of the other.

13. Monoplatus semiviolaceus.

M. oblongo-ovatus, subparallelus, impubescens, glaber, rufo-testa-
ceus ; capite oblique foveolato, ad basin impunctato, antice granu-
lato ; thorace transverso, marginato, ad basin transverse foveolato,
impunctato ; elytris subtiliter striato-punctatis, ad apicem fusco-
nigris, ad basin rufo-testaceis ; antennis filiformibus, flams ;
pedibusjlavis.

c? Long. corp. 2-J- lin., lat. 1^ lin.

Oblong-ovate, subparallel, subrobust, impubescent, glabrous, rufo-
testaceous. Head short, transverse, not produced ; labrum broad; eyes
large, prominent, situated at the base of the head : between the eyes
an indistinct but well-defined semicircular fovea extends on either
side obliquely and upwards to their inner margins (in semichalybeus
this fovea is more angulated, and its direction transverse) : the sur-
face in front coarsely granulated, at the base impunctate, glabrous.
Thorax transverse, broader than the head, the anterior angles de-
pressed, the sides marginate: at the base a transverse and well-
defined fovea runs parallel to the line of the base, but is abruptly
terminated before it reaches the lateral margins by being deflected
at right angles towards the basal line ; this transverse fovea is at a
greater distance from the basal line than in semichalybeus : the sur-
face impunctate, glabrous. Elytra broader than the thorax, sub-
parallel, glabrous: under a high power faint punctures may be
discerned, arranged in the form of striae ; these punctures are much
more obsolete than in semichalybeus : the apical half of the surface
is bright fuscous-black, the line of boundary in each elytron being
in a subcircular form (that is, receding towards the apex as it
approaches the suture). Antennae, filiform, flavous. Legs flavous
throughout.

Cayenne. In the collection of M. Chevrolat.

The above description (pointing out the angulated transverse fovea
in the head, and also punctures on the elytra almost obsolete) suf-
ficiently distinguishes this species from semichalybeus.

14. Monoplatus nigricans.

M. oblongo-ovatus, subparallelus, subdepressus, impubescens, flavo-
rufus ; capite brevi, inter oculos minute transverse foveolato, im-
punctato ; thorace transverso, impunctato, ad basin foveolato ;

c

18 MONOPLATUS.

elytris subtilissime striato-punctatis, fusco suffusis ; antennisfili-
formibus, rufis, ad apicem fusco-rufis ; pedibus flavo-rufis.
cJ Long. corp. 3 lin., lat. 1| lin.

Oblong-ovate, snbparallel, subdepressed, impubescent, glabrous,
flavo-rufous, suffused with fuscous. Head short, transverse, hardly
produced in front ; the eyes large, globular, black, extending laterally
nearly as far as the anterior angles of the thorax ; between the eyes
is a minute and directly transverse fovea, which when viewed under
a high power is medially subsinuate (not distinctly angulated, as in
M. semichalybeus ; or semicircular, as in M. semiviolaceus} ; surface
impunctate, flavo-rufous, obsoletely suffused with fuscous ; glabrous.
Thorax transverse, rectangular, anteriorly slightly emarginate, the
anterior angles subacute, and slightly depressed ; the sides margin-
ate ; at the base is a transverse thread-like fovea, which is deflected
at right angles (before it reaches the humeral angle) to the base ; sur-
face impunctate. Scutellum triangular, impunctate, glabrous. Elytra
parallel, subdepressed, rounded at the apex, impunctate, except under
a high power, when rows of minute punctures may be discerned,
arranged in the form of striae ; these striae -like punctures are much
more minute than in M. semichalybeus, and more distinct at the base
than in M. semiviolaceus ; the colour is dark-fuscous, suffused irre-
gularly throughout, and especially near the base, with flavous. An-
tennce filiform, rufous, at the apex fusco-rufous. Legs flavo-rufous
throughout.

Brazil. In the collection of M. Chevrolat.

From M. semichalybeus this species is separated by its minute
punctures on the elytra, and from M. semiviolaceus by its larger
size, more elongated form, and its different markings on the head ; it
differs, in addition, from all the species which approach it by the
irregularly clouded flavo-fuscous colouring of its elytra : it may be
a question, whether this latter, if alone, would be a permanent specific
character, or whether it is only the accidental variation of a single
individual.

15. Monoplatus nigrimamis.

M. oblongo-ovatus, subparallelus, subdepressus, rufo-flavus, glaber ;
capite brevi, impunctato, laevi, haud foveolato; thorace transverse,
rectangulari, ad basin transverse foveolato ; elytris subtiliter
striato-punctatis, rufo-flavis, ad apicem fuscis ; antennis fuscis,
art. basalibus rufis ; pedibus rufis, tarsis anterioribus fusco suf-
fusis.
c? Long. corp. 2^ lin., lat. 1|- lin.

Oblong-ovate, subparallel, subdepressed, rufo-flavous, glabrous.

MONOPLATUS. 19

Head short, transverse, not produced in front ; eyes globose, situated
nearly at the base of the head ; between the eyes, above the base of
the antennae, the surface is impunctate, and unmarked by any trans-
verse fovea. Thorax transverse, rectangular, the anterior margin
distinctly emarginate (more apparently so than in the allied species
M. nigricans and M. semiviolaceus) ; the sides marginate, especially
near the anterior angles ; at the base is a transverse fovea, well de-
fined, abruptly terminating before it reaches the margin by being
deflected (at right angles) to the basal line ; the surface is impunc-
tate throughout and rufo-flavous. Scutellum triangular, impunctate.
Elytra broader than the thorax, subparallel, subdepressed, marked
throughout with very minute striae-like punctures (which are not
discernible except under a high power) ; the colour is rufo-flavous, at
the apex broadly fuscous, — the line of demarcation between the two
being medial, and slightly inclining towards the apex at the suture
and at the margination ; the line itself is not so distinctly defined as
in M. semiviolaceus. Antennae fuscous, the basal joints being rufous.
Legs rufous, the anterior tarsi being suffused with fu'scous.

Brazil. In the collection of M. Chevrolat.

This species most closely approaches to M. semiviolaceus , both in
general colouring and in the details of sculpture. The absence of any
transverse fovea on the head sufficiently characterizes it as a species,
inasmuch as this — the character of the transverse markings between
the eyes — seems to be constant throughout the group, and of con-
siderable importance in the determination of species. From M.
semichalybeus it is easily separated by the minuteness of the punctua-
tion on its elytra, and by the direction of the transverse line of sepa-
ration between the two colours on the elytra.

16. Monoplatus dimidiatipennis.

M. oblongo-ovatus, subparallelus, subdepressus, rufo-jlavus, glaber;
capite brevi, antice hand producto, inter oculos haud foveolato ;
thorace transverso, impunctato, ad basin transverse foveolato ;
elytris parallelis, striato-punctatis, haud ad latera carinatis, gla-
bratis, ad apicem nigro-fuscis ; antennis fuscis, ad basin Jlavis ;
pedibus flavis, posticis tibiis tarsisque piceo suffusis.
3 Long. corp. 2|- lin., lat. 11 lin.

Oblong-ovate, subparallel, subdepressed, rufo-flavous, glabrous.
Head short, transverse, not produced in front ; eyes large, globular,
situated at the base of the head ; the surface above the base of the
antennae is impunctate, and unmarked by foveae. Thorax transverse,
rectangular; the anterior margin is slightly emarginate (less distinctly

c2

20 MONOPLATUS.

so than in M. semichalybeus) ; the sides marginate, especially an-
teriorly; the surface impunctate and glabrous; at the base is a
transverse fovea (less deep and somewhat less distinct than in M.
semichalybeus), terminating, as in other species, by being deflected
into the basal line before it reaches the margin of the thorax.
ScuteUum triangular and impunctate. Elytra subparallel, rounded
at the apex, impressed throughout with tolerably distinct punctures
arranged in the form of striae, of equal distinctness with those of
semichalybeus ; it differs, however, from this species in having the
surface entirely equate and smooth — not raised into longitudinal
keel-like ridges parallel with, and closely adjoining the lateral mar-
gination ; the colour is mfo-flavous, at the apex broadly fuscous, —
the line of boundary between the two colours being medial, and
slightly inclined towards the apex as it approaches the margination.
Antennae, fuscous, the four basal joints being flavous. Legs flavous,
the posterior tibiae and tarsi as well as the termination of the femora
being suffused with piceous.

Brazil. In the collection of M. Chevrolat.

This species differs from all others allied to it in colour by the
depth of the punctuation of the elytra, and also generally by its un-
foveolated head ; from semichalybeus, to which it is closely allied, by
its punctuation, and the absence of any keel-like ridges at the sides
of the elytra.

I believe that this group of six species (which have their elytra
rafo-flavous, the apex being broadly fuscous) are all specifically
distinct; their differences rest on small, but well-defineable and
apparently permanent characters.

17. Monoplatus angnlatus.

M. oblongo-ovatus, subparallelus, testaceo-rufus, glaber ; capite
brevij inter oculos subtiliter foveolato ; ihorace transverse, ad basin
transverse foveolato, punctulato ; elytris punctato-striatis, ad
apicem fusco-nigris, ad basin testaceo-rufis; antennis filiformibus,
fuscis, ad basin rufo-flavis ; pedibus rufo-flavis.

Long. corp. 2 lin., lat. J lin.

Oblong-ovate, subparallel, testaceo -rufous, glabrous. Head short,
hardly produced in front ; labrum subattenuated and rounded at the
apex ; eyes large, prominent, situated at the base of the head, and
extending laterally nearly as far as the anterior angles of the thorax :
from the insertion of the antennae a faint medial longitudinal fovea
extends nearly to the base, which is bisected at right angles by a
transverse fovea connecting the inner margins of the eyes (these

MONOPLATUS. 21

two lines together forming the character of a cross) ; the surface im-
punctate, glabrous. Thorax transverse, the anterior angles subacute
and depressed, the sides broadly and distinctly marginate ; at the
base is a well-defined transverse groove parallel to the line of the
base, but subsinuate, and terminating abruptly before it reaches the
lateral margination by being deflected at right angles into the line
of the base ; the surface very finely punctate, glabrous. Scutellum
triangular, impunctate. Elytra slightly broader than the thorax,
subrobust, punctate-striate, the striae becoming obsolete near the
sides, and the punctures being distinct and well-defined ; the apical
half of the surface is of a bright fuscous -black colour. Antennae fili-
form, fuscous, the three basal joints being rafo-flavous. Legs rufo-
flavous throughout.

Brazil. In the collection of M. Chevrolat.

This species closely approaches semichalybeus, being however abun-
dantly distinct, not only by its smaller size and more pronounced
punctures on the elytra, but also by the sinuation in the basal fovea
of the thorax, by which latter character it separates itself from all
other species of the group with which I am acquainted.

18. Monoplatus impunctatus.

M. oblongo-ovatus, parallelus, striato-punctulatus, niger, nitidus ;
capite brevi, inter oculos transverse foveolato, impunctato, flavo ;
thorace transverse, rectangulari, ad basin transverse foveolqto, ad
latera marginato, impunctato, flavo ; elytris parallelis, striato-

punctatis, ante medium oblique depressis, nigris, nitidis; antennis

fuscis, art. ].—3jlavis; pedibus flavis.

3 Long. corp. 21 lin., lat. |— 1 lin.

Oblong-ovate, subrobust, parallel, punctate, black, shining. Head
short, transverse, slightly produced ; above the labrum is a transverse
depression, bisected medially by a longitudinal carination ; on either
side of the insertion of the antennae (adjoining the inner surface of
the eyes) is a minute depression j between the eyes (midway between
the basal line and the insertion of the antennae) is a transverse thread-
like and very minute fovea ; eyes large, globose, extending laterally
as far as the anterior angles of the thorax ; surface impunctate and
rufous. Thorax transverse, in front hardly emarginate ; the anterior
angles are depressed and subacute, the sides marginate ; at the base a
transverse fovea (distinct, narrow, and thread-like) extends parallel
to, and joins the line of the base by an abrupt deflection near the
posterior angles ; surface impunctate and flavous. Scutellum trian-
gular, impunctate, fulvo-flavous. Elytra broader than the thorax,

22 Koicrrs.

subparallel, depressed, with striae-like punctures disposed evenly
throughout the surface (these punctures are extremely minute, and
can only be seen under a very high power) ; an antemedial trans-
verse shallow depression (when viewed laterally) gives an appear-
ance of prominence to the surface near the scutellum; at the
shoulders near the seventh stria is a short and well-defined longi-
tudinal depression. Antennae filiform; the first joint long and broadly
developed, especially medially and anteriorly, and slightly curved
(not geniculated) outwardly ; the second shorter and narrower, ovate ;
the third longer than the first ; these three basal joints are fulvous ;
the rest (which are shorter) are fuscous. Legs flavous, the anterior
tibiae and tarsi being fuscous.

A single example of this species, from " Brazil," is in the collec-
tion of Mr. Murray.

Genus 2. ROICUS*.
LABRTJM transversum.

PALPI MAXILLARES elongati, subcylindrici, ad apicem attenuati.
PALPI LABIALES paralleli, subelongati, art. 2° elongato.
ANTENNA robustce,filiformes, approocimatce.
OCTJLI subglobosi, ad latera capitis, distantes.
CAPUT subdepressum, subelongatum, Tiaud attenuatum.

THORAX capite latior, quadratus, antice subemarginatus, ad latera di-
stincte angulatus.

ELYTRA sat robusta, subparallela, ad apicem attenuata, hand ante me-
dium transverse depressa.

PEDES robusti, tibice incurvatce — -posticis, apicem juxta, dente brevi
armatis.

Labrum transverse, truncated at the extremities.

Mandibles concealed.

Maxillary palpi (Tab. I. fig. 5m) elongate, parallel, not geniculated;
the first joint minute ; the second subparallel, slightly constricted at
the base ; the third longer than the second, cylindrical, not rounded
at the extremities ; the apical minute, one-third of the breadth of the
second, and its length being hardly greater than its breadth, in form
conical.

Labialpalpi (Tab. I. fig. 5n) elongate, parallel, the basal joint shorter
than the second ; the second subparallel, slightly attenuated towards
the base, the length nearly double the breadth; the apical joint
minute.

valgus.

EOICUS. 23

Antennae situated at the front of the head, at some distance from
the inner margin of the eyes, approximate, robust, filiform, of nearly
the same length as the elytra ; the basal joint incurved outwards,
dilated and rounded, the breadth near the apex being half its length ;
the second joint short, subovate, its breadth being half the breadth
of the basal joint, and its length not greater than its breadth,
abruptly truncate, and not rounded at its apex; the third longer
than the first, of the same breadth as the second, slightly dilated
at the apex and obliquely truncate ; the fourth joint to the eighth of
the same form, but slightly shorter than the third ; the ninth and
tenth less robust; and the terminal joint finely attenuate at its ex-
tremity.

Eyes subglobose, situated at the sides of the head (at some distance
from each other), and at some distance from the basal line.

Head depressed at right angles to the plane of the elytra ; when
viewed from above, transverse ; elongated in front ; the lateral mar-
gins being parallel, and the apex broad and transversely truncate,
not attenuated.

Thorax broader than the head, quadrate (almost elongate), an-
teriorly very slightly emarginate ; the sides finely but evenly mar-
ginate, produced antemedially into a broad and distinct lateral an-
gular projection, thus giving to the thorax the form of an almost
jquilateral hexagon.

/ScuteUum large, triangular, impunctate.

Elytra broader than the thorax, subparallel, robust, slightly at-
tenuated towards the apex, with no trace of a medial transverse
depression ; in sexmaculatus very finely punctate, impubescent, gla-
brous.

Legs robust and long, very finely pubescent (when seen under a
high power). The anterior femora robust, subdilated medially, im-
punctate. The tibiae, robust, incurved distinctly but gradually through
their whole length, and subincrassated towards and at the apex.
The tarsi (Tab. I. fig. 5 d) short, and clothed with thick pubescence ;
the first joint is broad, dilated, and subcordiform ; the second of half
the breadth, short and ovate ; the third not larger than the second,
bilobed ; and the apical impubescent, slightly and gradually dilated
towards the apex, and incurved. The claw (Tab. I. fig. 5 e) is
bifid, simple, at right angles to the shank, and its two members
widely apart ; the base of each is thickened at the inner side, but
without any trace of an inner tooth, as in other neighbouring genera,
The posterior femora (Tab. I. fig. 5/) are broad and dilated ; when
viewed laterally, rounded at the upper margin, and at the lower
tolerably rectilinear in outline ; the apex is broadly and obliquely

24 KOICUS.

truncate. The tibia (Tab. I. fig. 5 g) is robust, of equal length
with the anterior tibiae, gradually incurved downwards and inwards
through its whole length, subdilated towards the apex : when viewed
obliquely, the posterior surface is flattened, having the appearance
of being in form triangular rather than subcylindrical ; the edges of
this flattened side are distinctly marginate ; in the inner margina-
tion, near the apex, is a well-developed angular projection ; while at
the apex itself,, immediately behind the insertion of the tarsus, is a
prominent and robust tooth-like claw. The tarsus (Tab. I. fig. 5 h)
is short, the first joint being subelongate, and attenuated at the
base ; the second and third are narrower and much shorter, ovate
(the third joint being somewhat smaller, and not bilobed) ; the apical
joint is elongate, impubescent, gradually incrassated from the apex,
terminating at its extremity in a bladder-like inflation which partially
conceals the terminal claw. The claw is bifid ; at the inner surface
there is a greater tendency to a tooth-like prominence than in those
of the anterior legs.

1. Eoicus sexmaculatus. (TAB. I. fig. 5.)

R. oblongo-ovalis, stibcylindricus, parallelus, Jlavus, nitidus ; ca-
pite brevi, inter oculos transverse foveolato ; thorace magno, sub-
elongato, ad latera in medio angulato, impunctato ; elytris
punctis minutis, veluti in striis, ordinatis, maculis sex rufo-
testaceis ; antennis fusco-flavis ; pedibus robustis, tibiis curvatis,
his (cum tarsis) rufo-fuscis, femoribus testaceis.

Long. corp. 3^ lin., lat. corp. 11 lin.

Oblong-oval, subcylindrical, elongated, testaceous. Head short,
depressed, very slightly produced; the eyes are situated at some
distance from the back of the head ; insertion of the antennae con-
tiguous ; above the insertion and between the eyes is a transverse
depression (deepest and broadest in the middle) extending obliquely
to the upper surface of the eyes ; mouth and maxillary palpi fer-
rugineous; lower part of the head testaceous, the upper part impunc-
tate, testaceous. Thorax quadrate ; from the anterior, and also from
the posterior angles, the sides gradually expand, forming at the side,
antemedially, a prominent angle, slightly marginated ; surface me-
dially depressed (although it seems doubtful whether the depression,
in the example before me, be not the result of accident), impunctate,
glabrous ; flavous, at the sides very slightly suffused with rufous.
Scutellum triangular, impunctate, rufo-fuscous. Elytra not much
broader than the thorax, parallel, subcylindrical, with very faint and
obsolete punctures arranged as striae (these are only visible under a
high magnifying power), the surface appearing under an ordinary

ETJPHENGES. 25

lens to be impunctate ; pale testaceous, with six large and distinctly
denned m/o-testaceous spots, arranged at equal distances one from
the other and midway between the suture and margination — two
(circular) at the base, two larger (and approaching the form of a
parallelogram) at the middle, and two (subcircular) at the apex ;
margination of the elytra rufo-flavous ; surface obsoletely pubescent.
Antennas filiform, long, tolerably robust, and slightly tapering to-
wards the apex; the first joint is much broader than the others,
curved outwards and dilated at the extremity ; flavous, the rest rufo-
fuscous, with the three terminal joints rufo-testaceous. Legs large
(compared with the magnitude of the body) ; the tibiae, which are
singularly robust, are all distinctly curved or bent inwards ; femora
testaceous, tibise and tarsi rufo-ftiscous.

A single specimen was captured by Mr. Bates in the district of the
Amazon, and is in that gentleman's cabinet.

Genus 3. EUPHENGES*

LABKUM subcircular e.

PALPI MAXILLAKES filiformes, art. 3™ elongatus, et 4"* brevis, et ad
basin latus hand productus.

_/ALPI LABIALES Jiliformes.

ANTENNA ad medium subincrassatce, subpubescentes.

CAPTJT inclinatum, transversum.

THOKAX elongatus vel quadratus, rectangularis, ad basin constrictus,
ad later a depressus et marginatus.

ELTTEA sat lata, ad apicem attenuata, aliquando fortiter ante medium
oblique depressa ; plerumque glabra.

PEDES robusti ; tarsorum antic, art. 2™ brevis ; tibiae posticce ad api-
cem dentibus duobus armatce.

Labrum subcircular, narrower than the base of the head ; the sur-
face is sprinkled with a few separate and strong hairs.

Mandibles robust, partially concealed.

Maxillary palpi (Tab. I. fig. 7 m) filiform, elongate, not genicu-
lated; the basal joint minute, abruptly truncate at its apex; the
second slightly dilated towards the apex ; the third somewhat longer
than the second, subparallel ; the apical joint larger in proportion
than that of Eoicus, but minute, much narrower than the second,
and conical.

Labial palpi (Tab. I. fig. 7ri): the second joint is slightly dilated
medially, and the third subelongate and conical.

26 EUPHENGES.

Antennae (Tab. I. fig. 7 a) more or less incrassated and subpu-
bescent, in length equal to two-thirds of that of the elytra; the
first joint is narrow at the base, dilated medially, and distinctly
curved outwards ; the second short and ovate ; the third elongated,
of greater length than the second, fine, and very slightly incrassated
towards the apex ; the fourth of the same form (but hardly so long)
as the third; the fifth to the eighth short, distinctly dilated, the
breadth of the seventh being almost equal to its length ; the apical
joints are more attenuated: all are (when viewed under a high power)
subpubescent, the apex especially of each joint being clothed with a
few distinct and strong hairs. The antennae are approximate at their
base, situated immediately below and between the eyes.

Eyes large, subglobose, situated nearly at the base of the head.

Head transverse ; when viewed from the side, inclined at right
angles to the plane of the elytra ; not produced in front, deeply and
thickly punctate.

Thorax elongate, slightly broader than the head, rectangular,
somewhat constricted towards the base ; the sides are depressed and
deeply marginate : very deeply and coarsely punctate.

Scutellum triangular, impunctate, situated below the plane of the
elytra.

Elytra considerably broader than the thorax, robust, slightly at-
tenuated towards the apex : in Lemoeides, a few deep and scattered
punctures are found antemedially, grouping themselves around a
deeply incised medial oblique depression.

Legs robust; under a high power very finely pubescent. The
anterior femora are slightly incurved, with a tendency to dilatation
medially and near the apex. The tibice are straight, and of the same
breadth throughout. The tarsi (Tab. I. fig. 7 d} are short, more di-
stinctly pubescent ; the basal joint is broad, cordiform ; the second
smaller than either the first or the third, and ovate; the third is
shorter than the first, but somewhat broader, fringed throughout
with a thick and close pubescence, not bilobed ; the apical joint is
elongate, gradually incrassated towards the apex. The terminal claw
is simple, not toothed in its inner surface. The posterior femora are
(when viewed transversely) oviform, considerably incrassated through-
out, but most so medially. The tibia (Tab. I. fig. 7 g) is short, of
equal breadth throughout, slightly incurved at its immediate base ;
and beyond the insertion of the tarsus (where it is somewhat dilated)
more distinctly sinuated, and produced at the extremity into two
curved, short, and robust teeth ; the insertion of the tarsus is at
between one-sixth and one-fifth of its total length. The tarsus
(Tab. I. fig. 7 h) is more elongate than the anterior, and considerably

ETTPHENGES. 27

narrower ; the first joint elongate, attenuated, subdilated, and trun-
cate at the apex ; the second shorter, and of the same form ; the
third subovate, not bilobed ; the whole densely fringed with close
pubescence; the last joint terminates in a bladder-like inflation,
which, from above, completely conceals the terminal claw, and which
(more distinctly seen when viewed obliquely) itself is terminated in
a pseudo-claw, similar in form and size to the claw which it protects.

1. Euphenges sericeus. (TAB. I. fig. 6.)

E. oblongo-ovatus, latus, robustus, impubescens, rufo-ferrugineus ;
capite brevi, transverse, elongatulo, super basin antennarum ob-
lique (in litterce V forma) carinato, subtiliter pubescenti, ad apicem
flavo-rufo, ad basin fusco-rufo ; thorace quadrato, angulis sub-
acutis, ad basin transverse depresso, impunctato, glabro, ad latera
f ulvo -pubescenti ; elytris latis, ad apicem subattenuatis, striato-
punctatis, ante medium oblique depressis, hac fovea obliqua, apice,
et marginatione lurido-pubescentibus ; antennis Jiliformibus, ro-
bustis, art.I-5fulvis, 6-11 piceis ; pedibus robustis,pallide rufis,
femoribus posticis nigro adumbratis.

Long. corp. 3 lin., lat. 1-| lin.

Oblong-ovate, broad, robust, impubescent, of a palish brown-red
cv-our throughout. Head transverse, narrow, elongated in front : be-
tween the upper part of the labrum and the base of the antennae is
a triangular carination, which is bisected by a longitudinal medial
carination from the base of the antennae : above the base of the an-
tennae and between the eyes is a Y-shaped ridge, extending in an
oblique direction towards the inner and upper margin of the eyes ;
this ridge is most apparent when seen obliquely : eyes tolerably
large, situated at a short distance from the base of the head, and
not extending laterally as far as the angles of the thorax : the surface
very obsoletely clothed (when viewed under a very high magnifying
power) with flavous pubescence, especially near the inner margin of
the eyes ; the colour below the base of the antennae flavo-rufous ;
above, of a darker brown rufous. Thorax quadrate, rectangular,
rectilinear, slightly broader than the head, considerably narrower
than the elytra ; the anterior and posterior angles subacute ; the an-
terior angles subdepressed, the sides marginate, while at the base is
a broad and very shallow transverse depression ; the surface is im-
punctate, glabrous, and thickly clothed at the sides with a close
tawny pubescence. Scutellum triangular, fuscous, indistinctly clothed
with flavous pubescence. Elytra much broader than the thorax,
slightly attenuated towards the apex; punctures, arranged in the
form of striae, become almost entirely obsolete near the apex : a little

28 EUrHENGES.

in front of the middle is an obliquely transverse depression, extending
from the first or second stria towards the shoulders ; this depression
is abrupt in form, and clothed with thick tawny pubescence ; the base
also, broadly (that is, for about a third of the whole length of the
elytra), and the margination (more broadly and distinctly behind the
shoulders) are similarly clothed with thick pubescence of an ashy-
fulvous colour. Antennae long, robust, the length of the joints from
the third to the eleventh being nearly equal ; the joints 1-5 fulvous,
6-11 piceous. Legs robust, pale rufous, — the apex of the posterior
femora being tipped with black, and the tarsi being suffused with
piceous.

Brazil. In the collection of M. Chevrolat.

2. Euphenges Lemoeides. (TAB. I. fig. 7.)

E. oblongo-ovatus, punctatus, ferrugineus, nitidus ; capite brevi, ad
basin antennarum bituberculato, crebre punctato ; thorace qua-
drato, rectangularly ad basin transverse depresso, punctato; elytris
apicem versus attenuatis, ad basin punctatis, ad medium oblique
fossulatis, ad apicem impunctatis ; antennis robustis, art. 5-8
incrassatis ; flavis, art. 6—8 nigris ; pedibus fulvis, tibiis posticis
incurvatis.

Long. corp. 1| lin., lat. | lin.

Oblong-ovate, coarsely and sparingly punctate throughout, bright
ferrugineous. Head short, slightly produced ; eyes large, prominent,
situated at the base of the head ; below the insertion of the antennae
is a transverse triangular plane depression ; immediately above the
base of the antennae are two contiguous obsolete tubercles ; surface
coarsely and very thickly punctate. Thorax quadrate (almost elon-
gated), rectangular, subcylindrical ; the anterior angles are depressed ;
sides marginate ; at the base is a broad, transverse, shallow depres-
sion ; surface coarsely punctured (the punctures being less frequent
than on the head). Scutellum small, triangular. Elytra at the
shoulders broader than the thorax, and gradually diminishing in
breadth towards the apex ; impunctate ; from the base four lines
of broad and coarse punctures (three near the humeral angle, and
one at the suture) terminate in a very deep abrupt channel, which is
deepest and broadest near to the mid suture, thence extending up-
wards obliquely towards the humeral angle. Antennae short, robust,
incrassated ; the first joint broad, medially dilated ; the second very
short, narrower ; the third fine, twice the length of the first ; the
fourth nearly as long as the third ; the fifth to eighth gradually in-
crassated ; all subpubescent ; the first joint rufo-flavous, the second
rufo-fulvous, the third and fourth flavous (clouded with testaceous),

PHYSONYCHIS. 29

the fifth to eighth black, the ninth to eleventh flavo -testaceous. Legs
tolerably robust ; the posterior femora subelongate, robust, parallel,
with an oblique fovea on the outer side near the apex ; the posterior
tibia3 robust, incurved, produced considerably beyond the insertion of
the tarsi ; colour fulvous throughout.

This species closely resembles in its general form that of the genus
Lema, and in this respect differs from the preceding species. By the
characters of its mouth (combined with the form of the elytra and
of the posterior tibiaa) it proves itself clearly to be separated gene-
rically from other neighbouring species.

From the Amazon River. In the collection of Mr. Bates.

Genus 4. PHYSONYCHIS *.

Dej. Cat. (1837) p. 408.
Ovatus, subparallelus, impubescens.
LABRUM subcirculare. ,

PALPI MAXILLAEES elongati, art. 3° subcylindrico (ad apicem leviter

dilatato), ultimo abbreviate.

PALPI LABIALES minuti, Tiaud elongati.

' "NKas robustce, subincrassatce, art. 1, 2, 8 et 11 compressis et dila-

tatis (in $ simplicibus).
CAPUT hand productum, depressum, breve.
THORAX latus, transversus, ad latera marginatus.
ELYTRA parallela, subdepressa, ad apicem rotundata.
PEDES robusti, tibiarum apicibus in c? dilatatis.

Labrum subcircular, more subcircular and relatively smaller than
in the preceding genus, EupTienges.

Mandibles robust; at their inner edge is a slight tooth-like projec-
tion; concealed.

Maxillary palpi (Tab. I. fig. 8m) elongate, geniculated probably at
the apex of the second joint; the basal joint obsolete ; the second
parallel, subdilated and truncate at its apex, which receives the in-
sertion of the third joint ; the third joint is longer, subcylindrical,
slightly dilated towards the apex, broader than the second (its length
being nearly double its breadth) ; the apical joint is abbreviated,
conical, at the base equal in diameter to the apex of the third joint.

Labial palpi minute, not elongated ; the apex of the terminal joint
rounded.

Antenna (Tab. I. fig. 8 a) robust, filiform, pubescent, subincrassated;

a'o>, inflo ; ovv%, unguis.

30 PHYSONYCHIS.

the basal joint very long and broadly developed, the breadth being
half its length, and nearly three times the length of the second joint ;
flattened, not cylindrical; the sides parallel; and the apex, not
attenuated, but broadly and transversely subsinuate ; at the angle of
the apex is the insertion of the second joint, which is short and
ovate ; the third joint to the sixth are elongate, subdilated towards
the apex (the fourth, fifth and sixth being each distinctly longer and
more robust than the third) ; the seventh is incurved and obliquely
truncate at the apex, thus causing the insertion of the eighth to be
not in the same line as that of the others ; the eighth is broader and
much shorter than the seventh, its breadth being almost equal to its
length, sinuate in form, dilated at the inner side of the base, and
broadly truncate at the apex ; the ninth and tenth are of equal
breadth with, but shorter than, the eighth ; and the eleventh is
greater in length than the ninth and tenth together, somewhat
narrower, curved outwards at the base, and slightly attenuated
towards the apex. In the females the antennas are filiform, robust
and simple, — the first joint being, however, considerably flattened and
dilated, although not so much as in the males, and the fourth joint
longer and more robust than the others.

Eyes large, subglobose, situated nearly at the base of the head, and
distant.

Head short, transverse, very slightly produced in front, and in-
clined at right angles to the plane of the elytra.

Thorax much broader than the head, transverse, in front di-
stinctly emarginate ; the sides broadly marginate, and converging
towards the front ; the line of the base is somewhat rounded — that
is, parallel to the line of the anterior margin.

Svutellum large, triangular, — the apex being subcircular, im-
punctate, and glabrous.

Elytra broader than the thorax, parallel, subdepressed, rounded at
the apex, at the sides marginate, covered throughout with minute
and very thickly disposed punctures ; along the surface are two
obscurely denned longitudinal ridges, in some specimens almost ob-
solete.

Legs robust, impunctate. The anterior femora are tolerably robust,
hardly dilated, cylindrical. The tibice shorter than the femora, di-
lated towards the apex, rounded at their inner margin, and flattened
or somewhat hollowed out at the outer margin, — armed in both sexes
around the socket that receives the apex of the tarsus with a row of
strong, upright, closely arranged teeth, resembling rigid hairs, or the
teeth of a comb. In the males the apex of the tibiae (Tab. I. fig. 8 c)
is very considerably dilated, and produced at its anterior margin into

PHYSONYCHIS. 31

an obtuse angle, broadly truncated at the apex ; around this trun-
cation (which is much more prominent than in the females) is a row
of closely arranged spines, while the angle of truncation itself is
armed with an acute spur, and the whole surface clothed with thick
and very strong pubescence. The tarsus is short, and in both sexes
robust; the basal joint is broad and short, somewhat rounded ; the
second more minute, and triangular; the third joint is somewhat
broader than the basal, broadly triangular, not bilobed ; the fourth
joint is elongate, slightly incurved, and gradually incrassated towards
the apex ; the apical claw being bifid, and armed at the inner surface
of each limb with a short, strong spur-like process. The posterior
femora are broad, dilated, and when viewed obliquely from beneath,
very much rounded above, and almost hollowed out at their lower
margin. The tibice are straight, abruptly bent at the immediate base
and gradually dilated towards the apex; the terminal socket (at the
insertion of the tibiae) is armed on either side with minute comb-like
teeth. The posterior tarsi are short, and less dilated than the anterior;
the first joint being triangular ; the second of similar form, but more
minute ; the third shorter, but broader than the first, almost circu-
lar, not bilobed ; and the apical joint attenuated (shorter than the
p^-^nor), and terminating above the apical claw in a globular in-
flatioii.

In PTiysonychis the sexual characteristics are the dilatation of the
antennae in the males (the basal, and eighth to eleventh joints), and
the lateral projection at the apex of the anterior tibiae ; there is a
slight difference also between the sexes in coloration.

1. Physonychis smaragdina. (TAB. I. fig. 8.) B.M.

P. ( c? ) ollongo-ovata, parallela, subcylindrica, crebre punctata,
viridi-cenea aut cenea, glabra; capite brevi, inter oculos longi-
tudinaliterfoveolato, ad basin variolato,flavo-ferrugineo, ad basin
fusco ; thorace lato, transverso, ad latera marginato, ad basin
transverse depresso, punctato, flavo-ferrugineo ; elytris parallelis,
ad apicem rotundatis, crebre punctatis ; antennis robustis, ad
apicem dilatatis, art. 7 et 11 plus minus ineurvatis, art. 1-5
flavis, 6-11 fustis ; pedibus sat robustis, flavis, femorum postico-
rum apicibus fusco suffusis.

cJ Long. corp. 3| lin., lat. 1| lin.

$ Long. corp. 3^-4 lin., lat. l|-2 lin.

Oblong-ovate, parallel, subcylindrical, rounded at the apex, deeply
and thickly punctate, of a bright metallic-green colour. Head short,
transverse, depressed, hardly produced in front ; immediately above
the labrum is a broad deep and transversely depressed plane, ex-

32 PHYSONYCHTS.

tending at its upper surface to the base of the antennae ; above the
base of the antenna is a longitudinal deep fovea, on either side of
which (closely adjoining the margin of the eyes) is a more minute
longitudinal depression, which is most distinct at the immediate base
of the antennae ; the medial fovea is bounded on either side by a some-
what raised and glabrous surface, and terminates abruptly before it
reaches the base of the head ; the surface at the base is thickly and
very coarsely variolated; colour flavo-ferrugineous, the basal line
being distinctly fuscous ; the eyes are large and prominent. Thorax
broader than the head, transverse and contracted in front, anteriorly
very slightly emarginate; the anterior angles depressed and mi-
nutely prominent ; the sides broadly marginate ; at the base is a
transverse depression closely adjoining the basal line (more distinctly
apparent medially than at the sides), and corresponding in breadth
and depth to the lateral marginations ; the surface is finely and
thickly punctate throughout; flavo-ferrugineous. Scutettum triangular,
rounded at the apex, impunctate, darkly flavo-ferrugineous. Elytra
broader than the thorax, parallel, very slightly attenuated towards
the apex, which is rounded ; the surface is covered throughout with
exceedingly close and tolerably distinct punctures ; from the shoulders
to the apex are two almost obsolete and indistinct longitudinal ridges,
hardly perceptible except when under a high magnifying power ; the
colour throughout is of a bright metallic emerald-green, shaded me-
dially (in most specimens) with a tinge of copper colour. Antennae
robust and tolerably long, dilated towards the apex ; the first joint
broad, ovate, and very distinctly flattened ; the second short and
narrow; the third to the sixth elongated, and of equal breadth through-
out ; the seventh is slightly incurved, and extends apically somewhat
beyond the insertion of the eighth ; the eighth is shorter, broadly
dilated, especially on the side of the apex of the seventh joint, and by
this lateral dilatation, as well as by its proceeding from the side
(rather than from the end) of the last joint, the seventh joint forms
a geniculation, or elbow, in the line of the antennae ; the ninth and
tenth joints are broad and flattened, their outline being angulated at
the apex and slightly rounded off at the base ; the eleventh and
terminal joint is somewhat narrower than these, but equal in length
to both of them united : in form slightly incurvated, the whole of the
joints of the antennse appear to be flattened, rather than of a cylin-
drical form; in colour the joints 1-5 are flavous and 6-11 fuscous.
Legs tolerably robust, flavous throughout, — the apex of the posterior
femora being suffused with fuscous.

The above description is taken from a male specimen. The females
have (as we might expect) filiform and simple antenna^ though of

KHINOTMETUS. 33

equal length with those of the males ; the legs also (especially the
anterior tibiae) are not quite so robust. All the examples which I
have seen differ also sexually in shade of colour, there being in the
females an entire absence of a metallic coppery hue ; and the emerald
green colour, so conspicuously beautiful in the males, being repre-
sented by blue.

This handsome species is not uncommon on the western coast of
Africa, — Guinea, Senegal, and Old Calabar.

Genus 5. RHINOTMETUS*.
Dej. Cat. (1837) p. 407.

CORPUS elongato-ovale vel subovatum, conveoeum.

LABRTJM transversum, integrum.

HANTHBUL.E robustce, reconditce, ad apicem ipsum scepius fissce, necnon
intra apicem dente armatce.

PALPI MAXILLARES elongati, subincrassati, art. 3tio ad apicem oblique
truncato.

PALPI LABIALES minuti, art. 2**° lato.

Axw^Mfiliformes, articulis I"10 et 3tio inter se cequalibus (illo distincte
robusto), 2nd0 brevi, ultimo ad apicem acuminato.

CA.v*UTplus minus antice productum, subattenuatum.

THORAX elongatus, haud transversus, elytris plerumque multo an-
gustior, antice rotundatus et subcontractus, ad latera depressus et
marginatus.

ELYTRA sat robusta, punctato-striata, modo vestita, modo nuda.

ABDOMEN e segmentis quatuor compositum.

PEDES saltatorii (femoribus posticis valde incrassatis) ; tibiis anteriori-
bus ecalcaratis, posticis calcari singulo unciformi armatis ; tar sis
pseudotetrameris, anterioribus subtus dense vestitis, artic. I"10 et
3tw dilatatis (hoc valde bilobo), posticis haud dilatatis, brevibus,
articulis Imo, 2nd" et 3tio subcequalibus (2/ldo et 3tio inter se subarctius
connatis), subtus leviter productis, atticulo ultimo ad apicem
ipsum in globulum subito aucto, unguiculis minutis subtus munito,
superne e visu reconditis.

Labrum transverse or subsinuate, rounded at the lateral margins,
narrower than the base of the head.

Mandibles small, robust, concealed from above.

Maxillary palpi (Front, fig. 3m, 5m) elongate, subincrassated ; the
basal joint small; the second ovate, truncate at the apex, and gra-
dually attenuated towards the base, the length being not quite double
the breadth ; the third is of the same form as, but slightly longer
and wider than, the second, broadly truncate at the apex; the terminal

* p«V, nasus ; re/uvw, seco.

34 BHINOTMETT7S.

joint is short, conical, its base being much smaller than the apex of
the third joint, and its length being greater than its breadth.

Labial palpi (Front, fig. 4 n, 5 n) minute ; the basal joint attenu-
ated ; the second broader, and transversely truncate ; the apical joint
minute, shorter and much narrower than the second.

Antennae, robust, filiform, tolerably approximate, situated below and
within the inner margin of the eyes ; the basal joint dilated (in some
species more than in others) ; the second is short and ovate, narrower
than the first ; the third is not broader than the second, of equal
length with the first ; the rest are subequal, slightly shorter as well
as broader than the third, parallel, rounded at the base and truncate
at the apex ; the terminal joint is more attenuated and produced.

Eyes large, subglobose, situated at the side of the head, at some
distance from the base.

Head (Front, fig. 3 Tc) narrower than the thorax, elongated, broadly
produced in front : this apical elongation varies in different individuals
in length, but is in all instances very marked, as compared with the
form of Monoplatus and other allied genera.

Thorax elongate, attenuated in front, distinctly broader than the
head, but narrower than the elytra ; the anterior angles are more or
less depressed ; the sides are always tolerably parallel (except at the
apex, where they are constricted, and rounded at the angle) and
evenly submarginate ; the anterior margin is rounded more or less,
never in any degree emarginate ; and the anterior angles are rounded
(not, as inTetragonotes, distinctly acute); the surface is either glabrous
or pubescent.

Scutellum triangular, occasionally subcordiform, generally im-
punctate, and placed below the plane of the elytra.

Elytra much broader than the thorax, subparallel, or in some
species robust, punctate-striate, with an antemedial transverse de-
pression (which is more or less distinct) extending obliquely upwards
towards the shoulders, and giving an appearance of prominence to
the scutellary angles ; the surface is generally punctate-striate.

Legs sufficiently robust ; when seen under a high power, subpubes-
cent for the most part. The anterior femora subcylindrical, of nearly
equal breadth throughout. The tibice (Front, fig. 5 6) are inflected
immediately at the base, straight, gradually and slightly incrassated
towards the apex; at the apex itself (when seen from above) attenu-
ated. The tarsi (Front, fig. 5 d) are shorter than the tibia ; the
basal joint short and broad (not broader than the dilated part of the
tibia) ; the second of the same form as the first, but smaller ; the
third distinctly bilobed, the breadth being greater than the length ;
these three basal joints are densely fringed with thick pubescence ; the

RHINOTMETUS. 35

terminal joint elongated, gradually thickened and incurved towards
the apex : the claw is bifid (Front, fig. 5 e), each limb being cleft
into two separate teeth ; it would seem that these two limbs are
separable more or less from each other in different examples. The
posterior femora (Front, fig. 4/) are somewhat flattened, but (when
seen transversely) very short, in form ovate, truncate broadly at the
apex, and generally pubescent. The tibia (Front, fig. 4/) is robust,
straight, considerably shorter than the femur, somewhat incurved
downwards at the immediate base ; the surface (when viewed from
behind) is flattened, and longitudinally keeled or marginated: in
each of these marginations, near the apex, behind the insertion of
the tarsus, is a single broadly defined tooth (corresponding exactly
with the row of tooth-like prominences in the females of Monopla-
tus) ; this margination is continued on either side to the apex or
socket which receives the tarsus, where it is armed with a row of
short, sharp, and closely arranged teeth, and at its extreme apex
armed further with a single (not double, as in other genera) incurved,
robust claw. The tarsus (Front, fig. 4 A) is about two-thirds the
length of the tibia, and constricted ; the first joint attenuated, and
subdilated at the apex; the second of the same form as the first,
but somewhat longer and narrower; the third much shorter and
considerably broader, not bilobed ; these three are all margined, and
clothed on the under surface with a slight pubescence: from a hollowed
socket in the middle of the third joint proceeds the apical joint,
elongated, gradually incurved, and terminating in a large globular
inflation, which is above (and completely conceals) the apical claw ;
this claw (Front, fig. 4 i) is bifid, each member consisting of two
distinct teeth, cleft nearly to the base.

This genus approaches Physonychis in the peculiar construction of
the apex of the posterior tibiae ; there is the same terminal claw and
the same fringe of sharp and closely disposed teeth around the
hollowed socket that receives the base of the tarsus ; and by the
parallel and elongated facies of some of its species (as R. marginatus,
R. cruciatus, and R. spectabilis) it forms a connecting link between
this, the preceding group, and the following genus, Tetragonotes.

1. Rhinotmetus leptocephalus.

GEdionychis leptocephalus, Perty, Conspectus Anim. Artie, p. 110.
tab. 22. fig. 5.

R. oblongo-ovatus, subcylindricus, subelongatus, flavo-pubescens,
niger ; capite elongate, ad apicem carinato, ad basin granulato,
rufo; thorace elongate, elytris angustiori, antice subattenuato,
pimctato,flavo-pubescenti, rufo ; elytris robustis, leviter punctato-

36 KH1NOTMETUS.

striatis, pilo flavescenti dense obtectis, maculis utrinque duabits
(apud humeros etpost medium^) nigro-violaceis denudatis; antennis
filiformibus, fuscis, ad basin rufo svffusis, corporis dimidio hand
longioribus ; pedibus anterioribus piceis, posticis rufo-griseis.
Long. corp. 3J-3f lin., lat. If lin.

Oblong-ovate, robust, subcylindrical, subelongate, covered for the
most part with a fine flavous pile ; black. Head short, transverse,
produced broadly in front ; above the labrum, extending to the base
of the antennae, is a longitudinal medial carination, divided at the
insertion of the antennae, and thence taking on either side an oblique
direction ; near the labrum (extending to this medial ridge) are two
other oblique carinations; immediately above the insertion of the
antennae (adjoining the inner surface of the eyes) are two minute
depressions ; eyes tolerably large, situated nearly at the base of the
head ; the surface granulated, rufous, suffused (especially in front)
with fuscous, the labrum being flavo-rufous. Thorax quadrate (almost
elongate), broader than the head, but constricted towards the apex,
so as to meet anteriorly (and almost in the same line) the lateral
margin of the head ; the surface is depressed (as compared with the
surface of the elytra) ; the anterior angles are almost obsolete, and
much depressed as well as constricted; the sides are faintly marginate;
at the base (when viewed laterally) is an obsolete transverse de-
pression ; the surface is finely punctate, darkly rufous, and covered
(probably) throughout with a fine thick flavous pubescence. Scutellum
triangular, impunctate, fusco-pubescent. Elytra considerably broader
and more robust than the thorax, subattenuated towards the apex,
punctate-striate (the striae being obsolete and the punctures deeply
impressed and distinct) ; at the shoulders, near the seventh stria, is
a short and well-defined longitudinal channel, which gives a square
and well-developed form to the extreme apex of the shoulder ; the
surface is clothed throughout with a thick flavo-fulvous pubescence,
except near the scutellary angles, where a considerable surface
(denuded of this pubescence), of a circular form, is glabrous and black;
also, postmedially, a transverse regularly defined fascia is formed
(broadest near the suture) by a similar absence of this pubescence ;
at the shoulders (at the extreme apex) is an obscure suffused spot
of rufous. Abdomen rufo-ferrugineous. Antennae robust, filiform,
fuscous, the basal joint being rufo-fuscous. Legs clothed, more
sparingly than the elytra, with flavous pubescence ; the anterior
fuscous, sparingly suffused with rufous; the posterior rufous, the base
of the tibiae and the inflated posterior claw being rufo-fuscous.

Taken by Spix and Martius in the Minas province (Serra do Carac^a),
and by others sparingly in the neighbourhood of Rio Janeiro.

RHItfOTMETUS. 37

2. Rhinotmetus marginatus. (FBONT. fig. 3.)

R. oblongo-ovatus, subparallelus, subcylindricus, pubescens, niger ;
capite elongate, antice carinato, super basin antennarum foveolato,
Jlavo-pubescenti, ad basin granulato ; thorace quadrato, antice
constricto, subtiliter punctato, gldbro ; elytris sat latis et robustis,
punctato -striatis, ad latera fascia dense rufo-testacea sericea mar-
ginatis; antennisfiliformibus, nigro-fuscis, ad basin rufo suffusis;
pedibus nigris, femoribus anterioribus ad basin, posticisque tibiis
et tarsis rufo-testaceis (tibiis basalibw rufo-fuscis).

Long. corp. 3 lin., lat. 1 lin.

Oblong-ovate, subparallel, subcylindrical, less robust than R. lep-
tocephalus, faintly pubescent, black. Head narrow, broadly elongated
in the front : above the labrum is a medial longitudinal keel-like
ridge, which extends to the base of the antennae ; on either side of
this, two obliquely transverse carinations are produced to the lateral
margins of the labrum ; above the base of the antennae is an obsolete
and short longitudinal fovea : eyes large and tolerably prominent,
situated at some little distance from the base of the head ; at their
upper and inner margins is a very slight tubercle-like elevation,
which is rufous; the surface between the eyes is sparingly flavo-
pubescent, and at the base coarsely granulated. Thorax quadrate
(almost elongated) ; the sides parallel, and narrowed in front so as
to meet the base of the head (not, as in R. leptocephalus, gradually
constricted), broader than the head, with the anterior angles much
depressed, constricted, and obsolete; the sides submarginate ; near
the basal angles is a broad and obsolete depression ; a faint medial
longitudinal impression is apparent when viewed obliquely with a
high power; the surface very finely punctate and glabrous. Scutellum
triangular, impunctate, fuscous -black. .Elytra broader than the
thorax, parallel, subelongate, rounded at the apex ; the surface near
the scutellary angles is very slightly raised ; punctate-striate (the
punctures being almost entirely concealed by a short and closely
squamose pubescence); from the fifth stria to the ninth (at the
distance of two striae from the lateral margination) is a longitudinal
band of close yellow or rufo-testaceous pile, completely clothing the
surface, commencing at the shoulders and extending nearly to the
apex. Antennae robust, filiform, faintly subpubescent, fuscous, the
basal joints being suffused with rufous. Legs black, the anterior
femora being at their base and extreme apex flavo-ferrugineous, and
the posterior tibiae and tarsi rufo-testaceous (the base of the tibia,
and the globular inflation immediately above the posterior claw being
rufo-fuscous).

I took a single specimen of this beautiful and distinct species by

38 BHINOTMETUS.

beating in the forests near to Constancia (the English boarding-
house kept by Mr. E. Heath, in the heart of the Organ Mountains),
December 1856.

3. Bhinotmetus cruciatus. (FRONT, fig. 4.)

E. oblongo-ovatus, subparallelus, elongatus, fulvo-pubescens, punc-
tato-striatus, niger ; capite antice producto et ad medium cari-
nato, ad basin antennarum bituberculato, fulvo-pubescenti, ad
basin granulato, inter oculos nigro, ad basin fusco-rufo ; thorace
elongate, subdepresso, lateribus parallelis, antice constricto, plus
minus fulvo-pubescenti, rufo, ad marginem et ad medium fusco ;
elytris robustis, distincte punctato-striatis, nigris, pilo Jlavo
testaceo brevi dense vestitis, apud Tiumeros macula subcirculari
nigra, et apicem juxta altera oblongo-ovali, Ms maculis quatuor
denudatis ; antennis jtliformibus, nigro-fuscis, art. 2—4 rufo
suffusis ; pedibus nigro-fuscis, posticorum tibiis tarsisque rufo-
flavescentibus.

Long. corp. 3 lin., lat. 1 lin.

Oblong-ovate, subparallel, subelongate, for the most part flavo-
fulvous, pubescent, punctate-striate, black. Head narrow (as com-
pared with the thorax), produced broadly in front (the labrum being
abruptly narrower than the apex of the head) : from the base of the
antennae are two oblique carinations extending to the outer margins
of the labrum; between these is a medial longitudinal carination
which reaches the base of the antennae ; immediately above the base
are two longitudinal tubercular elevations, divided the one from the
other by an abrupt and short fovea : eyes tolerably large and glo-
bose, situated at some little distance from the base of the head ; the
surface between the eyes is fulvo -pubescent ; at the base distinctly
granulated ; near the insertion of the antennae the colour is black,
at the base rufous or fusco-rufous. Thorax broader than the head,
elongate, sub depressed ; the sides parallel, constricted in front, and
slightly marginate; the base (when viewed laterally) is subde-
pressed; the anterior angles are obsolete; the surface is clothed
throughout with a fine fulvous pubescence (more distinctly near the
base and sides); in colour fulvo-rufous, the margins, and also a
medial longitudinal line, being fuscous. Scutellum triangular, im-
punctate, flavous. Elytra broader than the thorax, subparallel,
tolerably robust, rounded at the apex, punctate-striate (the striae
being, except at the sides, obsolete, and the punctures deep and
distinct) ; the colour is black, — a broad antemedial band, the apex,
and also the suture, being rufous ; these cause the rest of the sur-
face to constitute four large and subcircular black spots (those at the

RHIJSTOTMETUS. 39

apex extending from the shoulders nearly to the medial elytra, and
the postmedial pair extending nearly to the apex) ; these spots are
well-defined and subcircular; the rufous surface which separates
them is clothed throughout with thick fulvous puhescence. Antennae
robust, filiform, fuscous, the basal joints being suffused with rufous.
Legs sparingly pubescent, fuscous ; the base of the anterior femora
being flavous, and the posterior tibiae and tarsi being rufous suffused
with piceous.

A single example of this species was taken by Mr. Gray and my-
self near Petropolis (Organ Mountains, Rio Janeiro), February 1857.

4. Ehinotmetus spectabilis. (TAB. II. fig. 1.)

R. oblongo-ovatus, parallelus, subdepressus, flavo-pubescens, punc-
tato-striatus, niger ; capite producto, ad apicem longitudinaliter
carinato, ad basin antennarun\ bituberculato, flavo-pubescenti,
granulato, inter oeulos nigro, ad basin rufo-fusco ; tlwrace elon-
gato, antice constricto, ad angulos basales depresso, sparsim
jlavo-pubescenti, nigro, ad basin rufo-fusco; elytris subcylin-
dricis, punctato-striatis, jlavo-pubescentibus, nigris ; antennis
robustis,filiformibus,piceis,ad basin rufis; pedibus fuscis, tibiis

Long. corp. 3 lin., lat. 1 lin.

Oblong-ovate, parallel, robust, subdepressed, fusco -pubescent,
punctate-striate, black. Head produced, elongated in front ; from
the labrum a deep longitudinal carination extends upwards to the
base of the antennae, on either side of which are two others obliquely
transverse : immediately above the base of the antennae are two short
longitudinal tubercular elevations (more distinctly apparent by a
deep medial fovea between them) ; between these and the basal line
is an obsolete medial carination : the surface is finely flavo-pubes-
cent and granulated ; above the insertion of the antennae black, at
the base of the head rufo-fuscous ; eyes large, prominent, globose,
situated at some distance from the posterior margin. Thorax pro-
duced (almost quadrate); the anterior angles are very much de-
pressed and obsolete ; the sides parallel, marginate, and constricted
in front ; near the basal angles is a broad and shallow depression ;
the surface is finely and sparingly flavo-pubescent, more distinctly
so at the base and sides ; black, the posterior margin being rufo-
fuscous. Scutellum small, triangular, fuscous. Elytra parallel,
robust, subcylindrical, punctate-striate (the punctures being quite
obliterated, and the striae partially concealed by a thick golden-
flavous pubescence) ; the surface beneath this pile is black. Abdo-
men somewhat pubescent and black. Antennae robust, filiform ; the

40 RHINOTMETT7S.

four basal joints are rufous, the rest piceous. Legs fuscous, — the
base of the anterior femora, as well as the base of the tibiae, being
rufous, the posterior tibiae and tarsi pale ferrugineous, and the glo-
bular inflation of the posterior claw brightly rufo-fuscous.

I captured a single specimen of this species at Petropolis (Organ
Mountains, Rio Janeiro), in the month of February 1857.

5. Rhinotmetus crucifer.

R. oblongo-ovatus, attenuatus, parallelus, pubescens ; capite antice
producto, ad apicem carinato,jlavo-pubescenti; thorace elongato,
antice constricto, angulis anterioribus obsoletis, depressis, flavo-
pubescenti, nigro ; elytrisparallelis,punctato-striatis, holosericeis
(nisi maculis duabus ad humeros, alterisque postmediis; has
quatuor rotundatce, pilo nigro-fusco obtectce) ; antennis Jiliformi-
bus, fuscis ; pedibus fulvis, tarsis tibiisque ad basin anterioribus
fusco suffusis, tibiis tarsisque posticis rufo-fulvis.

Long. corp. 2J lin., lat. 1 lin.

Oblong-ovate, attenuated, parallel, subcylindrical. Head pro-
duced, elongated in front ; below the base of the antennae are two
oblique carinations extending to the lateral margins of the labrum ;
above the base of the antennae is a minute longitudinal fovea ; eyes
large, prominent, situated at some distance from the base of the
head; the surface finely pubescent throughout. Thorax elongate,
the sides parallel, and constricted in front ; the anterior angles ob-
solete and much depressed ; the sides submarginate ; when viewed
under a high power, a medial longitudinal fovea may be faintly traced,
extending from the apex to the scutellum ; the surface is finely and
thickly flavo-pubescent throughout, and black (not, as in R. cruciatus,
sparingly flavo-pubescent and rufous). Scutellum triangular, im-
punctate, and fuscous. Elytra parallel, subdepressed, punctate-
striate (the punctures being entirely, and the striae almost entirely
concealed by a thick pubescence which clothes the surface through-
out) ; the markings on this pubescence closely resemble the pattern
of R. cruciatus, the antemedial transverse fascia and the sutural
band together forming the boundaries of four large ovate spots.
There are, however, these points of difference between the two species :
in R. crucifer the medial fascia is broader, the pubescence of which
it is composed is shorter, more dense, and flavous ; the surface of the
elytra is black, and not rufous ; and the surface of the four ovate
spots is (not, as in R. cruciatus , glabrous and impubescent, but)
clothed throughout with a short and thick squamose pubescence.
Antennce robust, filiform, and fuscous throughout. Legs flavous, — the

RHINOTMETTJS. 41

tarsi and base of the anterior tibiae being suffused with fuscous, and
the posterior tibiae and tarsi mfo -fulvous.

After much hesitation, I have satisfied myself that this ought pro-
perly to be recognized as specifically distinct from R. cruciatus. At
first sight it appears almost absolutely identical ; but the peculiar
squamose pubescence on the elytra (which is represented in the
other species by complete impubescence), combined with other points
of difference, are too peculiar to admit of the one being constituted
merely a variety of the other.

The only example that I have seen of this species is in the cabinet
of Mr. Fry, taken by him at Morro Queimado, Brazil.

6. Rhinotmetus cyaneus. (TAB. II. fig. 2.)

R. oblongo-ovatus, latus, robustus, subcylindricus, antice attenuatus,
punctato-striatus, nigro-cyaneus ; ~capite elongato, longitudinali-
ter (et ad basin oblique) carinato, nigro ; fhorace elongato, antice
constricto, subtiliter punctate, nigro, glabro ; elytris latis, robus-
tis, ante medium transverse subdepressis, punctato-striatis ; an-
tennis robustis, fliformibus, nigris ; pedibus nigris.

Long. corp. 2|-3 lin., lat. 1|— If lin.

Oblong-ovate, broad, robust, attenuated in front, rounded at the
apex, punctate-striate, glabrous, of a dark metallic-blue colour.
Head elongated, produced anteriorly : from the angles of the labrum
to the base of the antennae are two oblique, acutely-defined carina-
tions ; between them a longitudinal keel-like ridge extends upwards
to the base of the antennae ; this, between the eyes, is divided into
two ridges (suboblique and then transverse), which terminate at the
upper and inner margins of the eyes : eyes large, tolerably prominent,
situated near the base of the head; the surface (which is entirely
occupied by these ridges) is impubescent and black. Thorax elon-
gated (almost quadrate) ; the anterior angles much depressed and con-
stricted ; the sides parallel and marginate ; at the base (when viewed
laterally) is an obsolete transverse shallow depression; the surface
(as seen under a high power) is finely and sparingly punctate ; black,
glabrous. Scutellum triangular, black. Elytra considerably broader
than the thorax, robust, convex ; a slight transverse antemedial de-
pression extends obliquely upwards towards the humeral angles,
giving an appearance of prominence to the surface near the scutellum
(in some examples this depression is less apparent) ; the surface
finely punctate-striate throughout, the interstices being very finely
punctured ; the colour is of a deep cyaneous hue, in some examples
almost black. Abdomen black, sparingly clothed throughout with

42 BHINOTMETU8.

pale fulvous pubescence. Antennae robust, filiform, black. Legs
black, with slight griseous pubescence ; the claws bifid, or with an
inner tooth produced nearly as far as (and occasionally of the same
size as) the outer tooth.

This brilliant species is in habits very active, using its wings in
the hot sunshine with as much readiness almost as a Lebia. The
species was tolerably abundant in the Organ Mountains in February
1857 ; it is represented in most cabinets.

7. Rhinotmetiis assimilis.

B. oblongo-ovatus, latus, robustus, antice attenuates, punctato-
striatus, purpureo-cyaneus, nitidus ; capite elongate, longitudi-
naliter carinato, ad basin rugoso, nigro ; thorace guadrato, sub-
elongato, antice constricto, ad basin punctato, nigro ; elytris latis,
ovatis, robustis, punctato-striatis, purpureo-cyaneis ; antennis
robustis, jiliformibus, nigro-fuscis ; pedibus fuscis.

Long. corp. 3 lin., lat. 1^ lin.

Oblong-ovate, broad, robust, attenuated in front, punctate-striate, of
a deep purple colour, glabrous. Head transverse, produced in front :
from the angles of the labrum two obliquely transverse carinations
extend in the direction of the base of the antennae ; between these is
a medial longitudinal carination (hardly so abrupt as in R. cyaneus),
produced upwards between the basal joints of the antennae, thence
separating into two slightly diverging lines, is at last transversely
deflected towards the upper and inner margins of the eyes; this
marking is considerably less prominent than in R. cyaneus, and the
surface above it, at the base of the head (which is rugose), is con-
siderably broader : impubescent, black. Thorax quadrate (almost
elongate) ; the anterior angles are much constricted and depressed ;
the sides parallel and slightly marginate ; at the base (when viewed
laterally) is a transverse depression (more distinct than in R. assi-
milis and in R. depressus), terminating at the humeral angles in a
somewhat deeper fovea; the surface is subconvex and impunctate,
except at the base and sides, where it is distinctly punctate (thus
differing from R. cyaneus and R. depressus, which are impunctate
throughout); impubescent, black. Scutellum triangular, black. Elytra
broader than the thorax, ovate, robust, antemedially very slightly
depressed, deeply punctate-striate, the colour being a rich deep pur-
ple. Abdomen black, with griseous pubescence ; the segments are
broad, extending at tolerably equal distances along the abdomen
— not so much accumulated together as in JR. cyaneus. Antennce
robust, filiform, of a fuscous-black colour. Legs robust, clothed more

EHINOTMETU3. 43

or less sparingly with fine pale-fuscous pubescence, of a black colour
throughout.

Brazil.

The only example of this species which I have seen (in the collec-
tion of Mr. Baly) has the joints of the antennae shorter, and the
whole length of the antennae very apparently shorter (in proportion
to its body) than is the case in R. cyaneus. We shall be right, I
think, in viewing this difference as sexual (the example of R. assimilis,
with the shorter antennae, being of course a female) ; and if this be
the case, we are able to gather further, by an inspection of the two
insects, that in no other respects do the sexes of this genus differ, either
in robustness of legs, or in the relative lengths of the posterior tibiae,
or in the comparative size of the body : it is possible, however, that
the male specimens may be found to have the transverse depression
on the elytra more distinct and less obsolete than the females.

R. assimilis is readily separated from all its congeners -(to many of
which it would seem, at first sight, to be very closely allied) by the
distinct striation as well as by the rich purple colour of its elytra.

8. Ehinotmetus depressus. (FEONT. fig. 5.)

B. oblongo-ovatus, robustus, subconvexus, antice attenuatus, punc-
tatus, cyaneus; capiteelongato, longitudinalitercarinato, ad basin
punctatO) nigro ; thoraee ad apicem constricto, quadrato, angulis
anticis obsoletis et depressis} ad medium longitudinaliter subtiliter
striato, nigro ; elytris latis, subparallelis, ad medium oblique de~
pressis, striato-punctatis ; antennis robustis,Jiliformibus, nigris ;
pedibus robustis, fusco-subpubescentibus, nigris, tibiis posticis
fusco suffusis.

Long. corp. 2^- lin., lat. 1-J lin.

Oblong-ovate, robust, subconvex, attenuated in front, punctate,
shining, of a bright blue colour. Head transverse, produced in front :
from the angles of the labrum two oblique carinations extend to the
base of the antennae ; between these is a medial longitudinal keel-
like ridge, which diverges slightly into two subparallel raised lines,
and then is further produced at right angles to the upper and inner
surface of the eyes ; the eyes are large, subglobular, situated at some
distance from the base of the head ; the base is deeply punctate :
black, glabrous. Thorax broader than the head, quadrate, and
constricted in front; the anterior angles much depressed and ob-
solete ; the sides marginate ; at the base there is no trace of a trans-
verse depression (as in R. assimilis and R. cyaneus) ; at the basal
angles there is an obsolete group of punctures, and (when viewed
obliquely) a faint medial longitudinal channel may be traced from

44 RHINOTMETT7S.

the apex to the base ; the surface, when seen under a high magni-
fying power, finely punctate, glabrous, black. Scutellum small, tri-
angular, black. Elytra robust, broader than the thorax, and sub-
parallel ; from the antemedial suture a well-defined and somewhat
deep depression extends obliquely upwards towards the humeral
angles, giving an appearance of prominence to the surface near the
scutellum (this depression is more distinctly impressed than in R.
cyaneus and R. assimilis) : the surface is covered throughout with
punctures arranged in the form of striae ; these punctures are tolera-
bly deep and apparent. Antennae, robust, filiform, of a fuscous-black
colour. Legs robust, clothed more or less sparingly with pale fuscous
pubescence ; black, the posterior tibiae and tarsi being suffused with
piceous.

Closely allied to the two former species ; but abundantly separated
from either by its smaller size, by the distinct obliquely transverse
depression on the elytra, and by the absence of any striae on the
elytra.

This species was taken by Mr. Gray and myself at Constancia, in
the Organ Mountains, in January 1857. It has been taken by
Mr. Fry and other collectors also in the neighbourhood of Kio Janeiro.

9. Rhinotmetus Waterhousii.

R. oblongo-ovatiis, elongatus,parallelus, nigro-cyaneus ; capite valde
producto, ad apicem longitudinaliter carinato, glabrato, superne
granulato, rufo-fusco ; thorace elongate, antice rotundato, im-
punctato,fusco ; elytris subparallelis,punctis veluti in striis ordi-
natis, ante medium transverse depressis, nigro-cyaneis, nitidis ;
antennis robustis, nigris ; pedibus nigris, femoribus nigro-fuscis.

Var. A. Capite et thorace nigris.

Long. corp. 21 lin., lat. 1 lin.

Oblong-ovate, subcylindrical, elongated, sides parallel, of a dark-
blue colour. Head considerably produced; eyes large, prominent,
extending laterally beyond the apex of the thorax ; from the upper
lip a longitudinal acute ridge extends medially upwards to the inser-
tion of the antennae, and there (above the insertion) terminates in a
Y-shaped fork ; surface of the head above finely granulated, darkly
rufous. Thorax elongate, broader than the head, rounded and de-
pressed anteriorly ; sides slightly marginate ;. surface with a very
slight medial longitudinal fovea, impunctate, very darkly rufo-
fuscous. Scutellum small, obscure, darkly fuscous. Elytra oblong,
parallel, subconvex, with punctures arranged in the form of striae ;
an antemedial transverse shallow depression extends obliquely to-
wards the shoulders, giving the appearance of prominence to the

RHINOTMETUS. 45

surface near the scutellum ; colour dark bright blue. Antennae ro-
bust, filiform, black. Legs black, the femora being dark fuscous.

The colour of the head and thorax of this insect is evidently sub-
ject to slight variation ; occasionally it is, instead of dark fuscous, a
perfect black.

Distinguished at once by its much smaller size from all its con-
geners with which I am acquainted.

Brazil ; the Island of S. Paulo. In the collections of M. Deyrolle
and Mr. "Waterhouse.

10. Rhinotmetus ruficollis.

R. oblongo-ovatus, robustus, antice attenuatus, punctato-striatus,
niger; capite transverse, producto, antice carinato, super basin
antennarum transverse foveolato, ad basin rugoso, rufo ; thorace
elongato, antice subattenuato , ad basin depresso, impunctato,
glabro; elytris sat latis, punctato-striatis, purpureo-nigris ; an-
tennis robustis, filiformibus, piceis ; pedibu$ robustis, piceis,
femoribus posticis fusco suffusis.

Long. corp. 3^ lin., lat, 1^ lin.

Oblong-ovate, robust, subcylindrical, attenuated in front, impu-
bescent, punctate-striate, black. Head transverse, produced in front ;
from the margins of the labrum two carinations extend obliquely
towards the base of the antennae, while between them an acute lon-
gitudinal ridge is produced upwards between the insertion of the
two basal joints, less prominent above the base, and terminating in
a transverse fovea, which connects the upper and inner margins of
the eyes (sometimes the upper portion of this medial ridge is ob-
solete) ; eyes tolerably large and prominent, situated at some di-
stance from the base of the head ; the surface at the base rugose, and
the colour throughout darkly rufous. Thorax elongate, subattenu-
ated and rounded in front ; the anterior angles obsolete and much
depressed; the sides parallel at the base and marginate; at the
base is a broad transverse depression (sometimes represented by
two subcircular depressions, one on either side of the medial line) ;
the surface impunctate, rufo-glabrous. Scutellum triangular, im-
punctate, and rufo-fuscous. Elytra considerably broader than the
thorax, robust, ovate, deeply punctate-striate, impubescent, black
(sometimes shaded with a purple hue). Antennae robust, filiform,
piceous. Legs robust, piceous, the posterior femora being suifused
with fuscous.

Brazil (the neighbourhood of Rio Janeiro).

This species may be at once recognized among its congeners by its
rufous prothorax, darkly cyaneous elytra, and piceous legs.

46 BHINOTMETUS.

11. Rhinotmetus cyanipennis.

Rhinotmetus cyanipennis^ Dej. Cat. (1837) p. 407.
archiepiscopalis, Chevr.

R. oblongo-ovatus, subconvexus, antice elongatus, punctatus, niger,
nitidus ; capite producto, antice carinato, inter oculos foveolato,
granulato, rufo ; ihorace elongato, antice rotundato et subat-
tenuato, impunctato, rufo ; elytris parallelis, punctis minutis (ad
basin dbsoletis), velut in striis dispositis, nigro-cyaneis ; anten-
nisjiliformibus, fuscis ; pedibus fulvis.

Long. corp. 3 lin., lat. 1^ lin.

Oblong-ovate, robust, attenuated in front, punctate, black (gene-
rally with a bluish hue), shining. Head produced (so that the
insertion of the antennae is placed about midway between the base
and the apex); from the labrum (which is light fulvous) to the
insertion of the antennae is a longitudinal carination, on either side
of which is another, oblique, and less distinct ; between the eyes,
and above the insertion of the antennae, is an obsolete T-shaped, or
sometimes Y-shaped, depression; surface impunctate, at the base
granulated, the colour rufous. Thorax subelongate; the anterior
angles depressed and rounded ; the sides submarginate ; the surface
impunctate (with a very high magnifying-glass, sparingly and finely
punctured), rufous. Scutellum small, triangular, fuscous. Elytra
broader than the thorax, robust, ovate, with punctures (which are
fine and sometimes even obsolete) arranged in the form of striae, ob-
scurely pubescent, of a bright cyaneous colour. Antennae filiform ;
the first joint being long, incrassated at the base, and deflected out-
wards ; the second short, ovate ; the third narrower than those that
follow, and shorter than the first ; the remainder of nearly the same
breadth as the first ; the first and second rufo-fuscous, the rest fus-
cous. Legs entirely fulvous throughout.

This species differs from R. sulcicollis (to which, in general ap-
pearance, it is closely allied) and also from R. ruficollis by the fine-
ness of the punctuation and the absence of striae on the elytra (the
punctures being minute and distinctly marked upon a bright glabrous
ground), and also by the almost complete absence of any antemedial
transverse depression on the surface of the elytra.

A beautiful small variety was taken by Mr. Gray and myself at
Constancia, January 1857, having the colour of the legs brightly
rufous, the elytra of a purple-cyaneous colour, and the antennae
rufous with the apex fuscous.

A common species in the neighbourhood of Rio Janeiro.

RHINOTMETUS. 47

12. Rhinotmetus sulcicollis.

R. oblongo-ovatus, robustus, antice attenuatus, punctatus, niger ;
capite producto, ad apicem carinato, inter oculos transverse foveo-
lato, ad basin punctato, rufo ; thorace elongato, antice coarctato,
apud angulos basales obsolete depresso, ad medium longitudina-
liter foveolato, impunctato, rufo ; elytris sat magnis, ante me-
dium oblique depressis, striato-punctatis, nigro-cyaneis ; antennis
jiliformibus, robustis, fuscis, ad basin nigris ; pedibus rufis.

Long. corp. 2^ lin., lat. 11 lin.

Oblong-ovate, robust, attenuated in front, punctate (more deeply
than in the preceding species), glabrous, black. Head produced
anteriorly : from the angles of the labrum is an oblique carination
extending to the base of the antennae ; between these is a third, ob-
solete and medial : above the base of the antennae is a well-marked
longitudinal and also a transverse fovea, forming together the cha-
racter of the letter T ; this fovea is the more apparent from having
its sides raised : eyes large and prominent ; the surface at the base
thickly and finely punctate ; the colour throughout is rufous. 1 ho-
rax subelongate (almost quadrate), coarctate in front; the ante-
rior angles much depressed and obsolete, the sides marginate ; near
the basal angles is an obsolete depression, while a medial longitudi-
nal fovea extends from the base of the head to the scutellum ; the
surface is impunctate and rufous, glabrous. Scutellum triangular,
impunctate, rufo-fuscous. Elytra broader than the thorax, robust,
subparallel ; a broad antemedial depression extends obliquely up-
wards towards the shoulders, giving a prominence to the surface near
the scutellary angles ; the surface is covered throughout with punc-
tures arranged in the form of striae — fine, yet not so obsolete as in
R. cyanipennis ; the colour is black with a deep purple hue. An-
tennae robust, filiform, fuscous, the three basal joints being rufous.
Legs rufous throughout.

This species is broader and more robust than R. elegantulus ; it is
not striated (as to its elytra) like R. ruficollis ; the punctures on the
elytra are coarser than in R. cyanipennis:, besides which distinc-
tions, the longitudinal thoracic fovea sufficiently distinguishes it from
all adjoining species.

Found in the neighbourhood of Rio Janeiro.

13. Rhinotmetus elegantulus.

R. oblongo-ovatus , subattenuaius, punctatus, niger, nitidus ; capite
producto, antice carinato, inter oculos transverse foveolato, punc-
tato, rufo; thorace subelongato, antice constricto, apud angulos

48 RHINOTMETUS.

basales leviter depresso, et ad medium longitudinaliter striato,
rufo ; elytris subattenuatis, parallelis, striato -punctatis, ante
medium oblique depressis, nigro-cyaneis ; antennis robustis, Jili-
formibus,fuscis ; pedibus fuscis, femoribus posticis rufo suffusis.
Long. corp. 2£ lin., lat. 1 lin.

Oblong-ovate, narrower than the preceding species, subparallel,
finely punctate, black, shining. Head produced in front ; from the
angles of the labrum an oblique carination extends to the base of the
antennae, between which is a third, longitudinal and more obsolete :
immediately above the base of the antennae two minute tubercular
elevations are apparent when viewed laterally ; between these is a
longitudinal fovea terminating in another, transverse, which meets
the upper and inner margins of the eyes, thus forming together the
character of the letter T : the surface is thickly punctate and rufous ;
the eyes are tolerably large, and situated at some distance from the
base of the head. Thorax subelongate, constricted and rounded in
front; the anterior angles much depressed and obsolete, the sides
broadly marginate (more broadly than in the allied species) : near
the basal angles is an obsolete depression; while, medially, from
the anterior margin to the base is a distinct longitudinal stria : the
surface impunctate, rufous. Scutellum triangular, impunctate, fus-
cous. Elytra broader than the thorax (more attenuated than in
the adjoining species), parallel, with punctures arranged through-
out in the form of striae ; these punctures are minute, on a smooth
and glabrous surface, resembling more closely than the others
those of R. cyanipennis ; an antemedial transverse depression ex-
tends obliquely upwards towards the humeral angles, giving an
appearance of prominence to the surface near the scutellum; of
a deep dark-blue colour. Abdomen ferrugineous. Antennce robust,
filiform, fuscous. Legs fuscous, the posterior femora being suffused
with rufous.

Distinguished from all others by its more attenuated form ; it differs
also from all, except E. cyanipennis, in the minute punctures of the
elytra, while from this latter insect it may be separated (inter alia)
also by its thoracic longitudinal fovea.

From the Island of St. Paul's (on the coast of Brazil).

14. Ehinotmetus inornatus.

B. oblongo-ovatus, nigro-fuscus, nitidus; capite anticeproducto, gra-
nulato, inter oculos bituberculato ; ihorace elongate, ad medium
longitudinaliter subfoveolato, lateribus marginatis, cylindricis, im-
punctato, nigro; elytris punctis velut in striis ordinatis, ad medium

RHIXOTMETUS. 49

oblique et transverse depresses ; antennis brevibus, nigro-fuscis ;
pedibus nigris, posticis tibiis tarsisque fusco adumbratis.

Long. corp. 2^ lin., lat. 1 lin.

Oblong-ovate, impubescent, dull dark red, shining. Head narrow,
produced in front ; eyes large, somewhat prominent, situated at some
little distance from the base of the head : from the labrum to the
insertion of the antennae (when viewed from above) is a central lon-
gitudinal ridge ; this, at the base of the antennas, divides itself into
two diverging elevated lines (in form together resembling the letter
V) ; at their upper extremities these oblique carinations terminate
in two large and still more transverse tubercles which are situate at
the upper and inner margin of the eyes : surface of the head granu-
lated and black. Thorax somewhat elongate, with the lateral mar-
gins anteriorly depressed, and therefore apparently somewhat con-
stricted ; sides slightly marginate, subcylindrical ; from the apex to
the base is an obsolete medial longitudinal channel ; surface shining,
impunctate (under a higher power minute and irregularly distributed
punctures are apparent, especially at the base), black. Scutellum
very small, almost obsolete, depressed below the plane of the elytra,
fuscous. Elytra parallel, slightly depressed, with rows of distinct
punctures arranged in the form of striae ; a transverse broad ante-
medial depression is on either side inclined obliquely towards the
shoulders (and also, less apparently, along the line of the suture
to the scutellum), which gives a degree of prominence to the base.
Antennce filiform, short, black ; the first joint dilated at the apex ;
second short, ovate ; third, fourth, and fifth nearly equal. Leys
black, with the posterior tibiae and tarsi clouded with fuscous.

Brazil. In the collection of M. Deyrolle.

15. Rhinotmetus Deyrollii.

R. oblongo-ovatus, elongatidus, punctato-striatus, flavo-fulvus ;
capite producto, glabro ; fhorace subelongato, antice coarctato, ad
basin depresso ; elytris subdepressis, parallelis ; antennis robustis,
filiformibus ; pedibus robustis, flavo-fidvis.

Long. corp. 2 lin., lat. | lin.

Oblong- ovate, subparallel, slightly elongate in front, subdepressed,
punctate-striate, impubescent, of a flavo-fulvous colour throughout.
Head transverse, produced in front ; below the base of the antennae
is an obliquely transverse groove ; above the base of the antennae
and between the eyes are two tolerably large, distinct, tubercular
elevations, rendered more apparent by an intervening fovea and an

50 RHINOTMETUS.

obsolete depression above ; the surface is finely punctate, and at the
apex glabrous ; eyes tolerably large, globose, situated at some little
distance from the base of the head. Thorax elongate (almost qua-
drate), the anterior angles much depressed and coarctate ; the sides
parallel and marginate ; at the base is a broad transverse depression ;
the surface throughout is finely punctate. Scutellum triangular, im-
punctate. Elytra somewhat broader than the thorax, parallel, sub-
depressed, punctate-striate (the punctures being deep, and the striae
(comparatively) obsolete) ; an antemedial depression extends ob-
liquely upwards towards the humeral angles, giving a somewhat
turgid appearance to the surface near the scutellum. Antenna
robust and filiform. Legs tolerably robust, the globular inflation of
the posterior claw being rufo-flavous.

Brazil.

16. Rhinotmetus humilis.

E. oblongo-ovatus, subcylindricus, fulvus, lurido-pubescens ; capite
producto, punctulato, rufo-fulvo ; fhorace elongato, antice rotun-
dato (etmmque ad latera\ depresso, punctate ; elytris subelongatis,
punctis minutis velut in striis ordinatis, lurido-pubescentibus ;
antennis filiformibus, sat robustis, fulvis ; pedibus fulvis.

Long. corp. 2| lin., lat. 1-J- lin.

Oblong-ovate, somewhat depressed, fulvous, covered (throughout ?)
with a lurid squamose pubescence. Head elongated in front, de-
pressed, pubescent ; eyes large, prominent. Thorax elongated, sides
slightly marginate, contracted towards the head ; the anterior angles
rounded ; surface plane, anteriorly depressed, finely punctate ; clothed
throughout (as is the head) with a close, squamose, lurid pubescence.
Scutellum almost obsolete. Elytra subelongate, subcylindrical, with
shallow punctures arranged in the form of striae ; covered (probably
throughout) with close, squamose, lurid pubescence, which partially
conceals an under- clothing of bright fulvous pubescence. Antennae
filiform, short, fulvous. Legs fulvous.

The specimen from which this description is drawn is somewhat
old and rubbed. Perfect specimens, I doubt not, will be found to
be clothed throughout with a flavous pubescence, which is covered
more or less with a fuscous and squamose pubescence.

From the neighbourhood of Bio Janeiro. A single specimen, in
the collection of Mr. Miers.

1 7. Rhinotmetus pallipes.

R. oblongo-ovatus, subparallelus, subcylindrwus, Jlavo-pubescens ;
capite transverse, antice producto, gramdato, nigro, ad basin sub-

KHINOTMETUS. 51

pubescenti et rufo-ferrugineo ; ihorace elongate, ad basin trans-
verse depresso,flavo-pubescenti, nigro; elytrisparallelis,punctato-
striatis, Jlavo-pubescentibus ; antennis Jiliformibus, pallide fer*
rug'meis ; pedibus pallide flavis, tarsis anterioribus fusco suffusis.
Long. corp. 2J lin., lat. 1^ 1m.

Oblong-ovate, subparallel, subcylindrical, covered throughout with
a pale yellow silky pubescence. Head transverse, produced broadly
in front : from the sides of the labrum two oblique carinations extend
upwards, joining one another immediately below the base of the
antennae ; the transverse triangular plane which is thus formed is
bisected by a medial longitudinal ridge : the eyes are large and pro-
minent, situated at the base of the head : the surface is finely granu-
lated, and pubescent at the base ; black, the base (between the eyes)
being rufo-ferrugineous. Thorax elongated, the anterior angles
attenuated and depressed ; at the base is a broad transverse depres-
sion ; the surface (which is black) is clothed at the sides with a pale
flavous pubescence. Scutellum triangular, fuscous. Elytra parallel,
subcylindrical, punctate-striate, the striae being almost concealed by
a thick silken pubescence of a pale flavous colour. Antennae robust,
filiform (with a slight tendency to dilatation) ; the first joint is ovate
and broad ; the second shorter ; the third and fourth fine, of equal
length, and slightly longer than the first ; the rest (the fifth to the
eleventh) robust, of equal breadth, and slightly shorter than the
basal joint ; the colour pale ferrugineous. Legs pale flavous, the an-
terior tarsi being suffused with fuscous.

Brazil. In the collection of M. Chevrolat.

18. Rhinotmetus flavidus.

R. oblongo-ovattis, subparallelus, subcylindricus, flavo-pubescens,
fulvo-ferrugineus ; capite brevi, producto, subtiliter granulato ;
ihorace elongato, antice rotundato, ad angulos basaels obsolete
depresso, granulato ; elytrisparallelis,punctato-striatis ; antennis
filiformibus, flams ; pedibus flavis.

Long. corp. 2^ lin., lat. li lin.

Oblong-ovate, subparallel, subcylindrical, clothed throughout with a
pale flavous pubescence, fa! vo -ferrugineous. Head short, transverse,
broadly elongated in front ; between the labrum and the base of the
antennae is a transversely triangular plane ; above the base of the
antennae and between the eyes are two minute contiguous tubercles ;
the eyes are prominent and black ; the surface is finely granulated,
clothed at the inner margin of the eyes with pale flavous pubescence,
in colour fulvo -f err ugineous. Thorax elongate, rounded and attenu-

52 RHTNOTMETFS.

ated in front ; the anterior angles depressed ; the sides marginate ; at
the basal angles are two obsolete depressions of a triangular form ; the
surface (which is finely granulated) is clothed throughout, but more
distinctly at the margins, with a pale flavous pubescence. Scutellum
small, almost obsolete. Elytra parallel, subcylindrical ; from the
antemedial suture a shallow oblique depression extends upwards
towards the humeral angles ; punctate-striate, the striae being almost
entirely concealed by a fine silken flavous pubescence. Antennae
robust, filiform, flavous. Legs flavous throughout.

This species is readily distinguished from pallipes by the arrange-
ment of the depressions on the thorax and the different markings on
the head, as well as by the colour of its pubescence.

Brazil. In the collection of M. Chevrolat.

19. Rhinotmetus canescens.

K. oblongo-ovalis, subdepressus, pubescens, flavus ; capite producto ;
thorace antice rotundato, elongato ; elytris punctate -substriatis,
flavo-pubescentibus ; antennis pedibusque flams.

Long. corp. 2i lin., lat. f lin.

Oblong-oval, very slightly depressed, pubescent, flavous throughout.
Head narrow, produced anteriorly, apparently impunctate, distinctly
clothed with fine flavous pubescence ; eyes large, prominent, situate
at the base of the head ; antennae at their base contiguous. Thorax
considerably narrower than the elytra, elongated, subattenuated in
front, with the anterior angles slightly rounded ; sides hardly mar-
ginate, flavo-pubescent. Scutellum small, triangular. Elytra with
punctures arranged as striae (at the shoulder, and towards the margin,
the striation is distinctly visible under the pubescence) ; the humeral
angles distinct, but not prominent ; the surface is clothed, apparently
throughout (but especially at the margins and base), with a fine, thick,
velvet flavous pubescence. Antennae filiform, with a tendency in the
ultimate joints to become incrassated, flavous. Legs flavous.

Brazil. In the cabinet of Mr. Baly.

20. Rhinotmetus nigricornis.

R. oblongo-ovatus, subparallelus, antice attenuatus,punctato-striatus,
niger ; capite producto, ad apicem carinato, granulate, nigro ;
thorace quadrate, ad basin transverse depresso, impunctato, rufo ;
elytris parallelis, punctate -striatis, nigris ; antennis robustis,
Jiliformibus, nigris, ad basin fusco suffusis ; pedibus nigris, tibiis
tarsisque posticis ferrugineo suffusis.

Long. corp. 2 lin., lat. j lin.

TETRAGOJSTOTES. 53

Oblong-ovate, subparallel, attenuated in front, punctate-striate,
impubescent, black. Head produced in front ; from the apex to the
base of the antennae is an obsolete longitudinal ridge, while imme-
diately above their insertion are (when viewed obliquely) two lon-
gitudinal tubercular elevations ; eyes large, situated at the base of
the head; the surface granulated and black. Thorax quadrate
(subelongate), anteriorly rounded (more abruptly and less broadly
than in preceding species, thus forming an obscure angle, and showing
a tendency to assume the form represented in the following genus,
Tetragonotes) ; the anterior angles much depressed, the sides broadly
rnarginate, and the base transversely depressed ; this depression is di-
stinct, and not obsolete as in other species : surface impunctatejj^neZi/
flavo-pubescent, rufous. Scutellum triangular, impunctate, black.
Elytra broader than the thorax, parallel, punctate-striate, finely sub-
pubescent, of a deep dead-black colour. Abdomen black. Antennce
robust, filiform, black, the basal joints being suffused with fuscous.
Legs black, the posterior tibiae and tarsi suffused with ferrugineous.

This species is an interesting connecting link between Nhinotmetus
and the following genus, Tetragonotes. In facies it is abundantly a
Rhinotmetus, but in the form of the thorax it approaches very near
to the following genus.

I captured a single example of this species at Petropolis (Organ
Mountains), February 1857.

Genus 6. TETRAGONOTES*.

COKPUS elongatum, depressum, subparallelum.

LABRUM constrictum, transversum.

PALPI MAXILLARES elongati, art. 3° ovato.

PALPI LABIALES subovati.

ANTENNA jiliformes, sat robustce.

CAPTJT breve, antice (in $ prcesertim) productum.

THORAX elongatus, rectangularis, hand antice rotundatus, ad latera
marginatus et angulatus.

ELYTRA subparallela, depressa, apicem versus subattenuata.
PEDES : femora postica incrassata ; post, tibice breves, subincurvatce,
juxta apicem hand dentatce, ut in genere Rhinotmeto, sed sinuatce.

Labrum transversely subcircular, narrower than the head.
Mandibles robust, with a slight tooth-like prominence at their
inner surface, concealed.

Maxillary palpi (Tab. II. fig. 3m) elongate, the second joint being
* TeTpa ( — Tfffactpes), qviatuor ; ywWa, angulus.

54 TETRAGONOTE8.

broader and longer than the basal joint, dilated slightly antemedially,
truncate at the apex ; the third longer than the second, ovate ; the
apical joint elongate, narrower at its base than the apex of the third,
conical.

Labial palpi (Tab. II. fig. 3 n) ovate, elongate ; the second joint of
greater length than breadth, broader than the first ; the apical joint
short and conical.

Antennas filiform, sufficiently robust ; contiguous, situated imme-
diately below and between the eyes ; in the males rather more elon-
gate than the females ; the first joint broad, dilated and deflected
outwards towards the apex ; the second short, ovate ; the third sub-
attenuated at the apex, gradually incrassated, longer than the first,
in the <$ more evidently longer than in the $ ; the fourth joint in
the females is manifestly short ; the fifth to the eleventh are of the
same form and size, subcylindrical, slightly attenuated towards the
apex ; the apical joint is more attenuated and tapering.

Eyes tolerably large, very globose, prominent, situated at the base
of the head, and extending laterally almost beyond the anterior tho-
racic angles.

Head short, transverse, broadly produced in front (but not produced
so far as in Rhinotmetus), depressed at an obtuse angle to the plane
of the elytra ; generally deeply longitudinally carinated.

Thorax broader than the head, elongate, rectangular, anteriorly
not emarginate ; the anterior angles are much depressed and acute
(not, as in Rhinotmetus, rounded and obsolete) ; the sides are broadly
marginate, and produced antemedially into a lateral tooth-like pro-
jection (of the same form as that in Octogonotes) ; the anterior portion
of the disc is generally more or less raised, and at the base trans-
versely depressed.

Scutellum triangular, generally impubescent.

Elytra broader than the thorax, subparallel, slightly attenuated
at the apex, at the sides finely marginate ; generally punctate-striate.

Legs : the anterior femora robust, medially slightly dilated when
viewed transversely. The tibice are subincurved, and slightly dilated
towards the apex ; the hollowed socket, admitting the base of the
tarsus, is simple (not armed with a claw, or comb-like teeth, as in
Rhinotmetus). The tarsus (Tab. II. fig. 4 d) is short, the basal joint
broader than the tibia (in the males), and triangular ; the second
triangular, but more minute ; the third broad, and distinctly bilobed ;
these three are thickly clothed on the inner surface, and fringed at their
margins with close and strong pubescence ; the apical joint is atte-
nuated, elongate, and slightly incurved, admitting at its subdilated
apex the terminal claw, which is bifid, and armed at the inner base

TETRAGONOTES.

55

with a short and robust tooth : this bifid claw is, with regard to the
relative position of its two members, flexible. The posterior femora
are laterally subcompressed, but, when viewed transversely, broadly
dilated, at the apex subattenuated. The tibice (Tab. II. fig. 4#) are
considerably shorter than the femora, subincurved throughout, more
distinctly at the immediate base ; when seen from behind, the surface
is flattened longitudinally (or, in some examples, almost hollowed out)
and distinctly marginate ; near the apex this margination is in out-
line slightly subsinuate, and terminates in the formation of an apical
socket, the edges of which are armed with a row of very minute and
short teeth, separate from each other (not close and elongate, as in
preceding forms) ; the apex of the socket is prolonged into two ab-
breviated spurs. The posterior tarsus (Tab. II. fig. 5 Ti) is short and
attenuated. I am unable to trace, after much careful examination,
any sexual differences in the relative size of the different joints : the
basal joint is dilated towards the apex (narrower than the tibia) and
broadly truncate ; the second is attenuate, elongate, slightly incras-
sated at the apex ; the third is short, almost circular, clothed at its
margins and under-side with a thick fringe of stout hairs ; from its
centre proceeds the terminal joint, which is elongate and attenuate,
gradually dilated into a globose inflation above the apical claw ; the
claw is not robust, armed at its inner margin (near the base) with a
short and robust tooth.

In general appearance this genus approaches Khinotmetus — in its
subcylindrical elytra and elongated head : its more depressed facies,
however, and the abrupt anterior angles of the thorax, will (without
other points of divergence) sufficiently characterize it. It approaches
closely to Octogonotes in the lateral margin of the thorax ; but from
this it is separated widely by the form of the maxillary palpi, its less
robust facies, and the elongate (not transverse) form of the thorax.

1. Tetragonotes elegans. (TAB. II. fig. 3.)

T. oblongo-ovata, subelongata, punctato -sir iata, nigra ; capite pro -
ducto, antice carinato, inter oculos oblique foveolato et carinato,
punctato ; thorace elongato, ad latera marginato et ante medium
angulato, ad apicem bituberculato, punctato, nigro ; elytris sub-
elongatis, punctato -striatis ; antennis robustis,filiformibus,jlavo-
fuscis ; pedibus nigris, femoribus ad basin flavis, tibiisque posticis
pallide testaceis.

Var. A. Capite et thorace rufis.
Long. corp. 3 lin., lat. 1 lin.

Oblong-ovate, subelongate, slightly depressed, punctate -striate,
black. Head produced (not so prominently as in the preceding

56 TETKAGONOTES.

genus, Rhinotmetus) ; above the labrum is a transverse carination, in-
tercepted by a longitudinal medial ridge, which extends upwards to
the base of the antennae ; above the base of the antennae this ridge
is divided into two slightly diverging (almost parallel) carinations,
which recede from one another gradually, so as to terminate trans-
versely at the upper and inner margins of the eyes ; eyes tolerably
large, globose, situated at some little distance from the base of the
head ; the surface is deeply punctate, and black ; immediately above
the base of the antennae, and also at the upper and inner margins of
the eyes, are two minute flavo-suifused spots. Thorax elongate, sub-
cylindrical, slightly broader than the head ; the anterior angles de-
pressed and subprominently acute ; the sides finely marginate, with
a lateral angular projection, antemedial and prominent: at the
centre of the disc are two large, well-defined tubercular elevations ;
these are antemedial, not extending however to the anterior mar-
gin, which is not elevated at all above the plane of the thorax : the
surface is sparingly but deeply punctate throughout, of a rufo-fer-
rugineous colour. Scutellum small, triangular, impunctate, fuscous.
Elytra broader than the thorax, subelongate, subcylindrical, punctate-
striate (the punctures being deep, and the striae almost obsolete), both
striae and punctures becoming obsolete near the apex ; impubescent,
black. Antennce robust, flavo-fuscous, the four basal joints being suf-
fused with rufous. Leys black, the base of the femora being flavous,
the terminal joint of the tarsi suffused with rufous, and the posterior
tibiae pale testaceous.

A beautiful variety is found, somewhat smaller in size, identical in
form and sculpture, with the head and thorax of a pale rufous colour.
Constancia (Organ Mountains) ; taken by Mr. Gray and myself in
January 1857.

2. Tetragonotes atra.

T. oblongo-ovata, subparallela, subelongata, impubescens, punctato-
striata, atra ; capite antice producto, carinato, supra basin anten-
narum oblique carinato, punctato, nigro ; thorace elongato, late-
ribus marginatis, ante medium angulatis, Tiaud ad medium di-
stincte elevato, impunctato; elytris subelongatis, punctato-striatis ;
antennis robustis, Jiliformibus, rufo-piceis ; pedibus piceis, femo-
ribus ad basin flams, tibiisque posticis testaceis.

Long. corp. 2| lin., lat. 1 lin.

Oblong-ovate, subparallel, subelongate, impubescent, punctate -
striate, black. Head short (produced in front) ; from the labrum to
the base of the antennae is a medial longitudinal carination, which
extending above the base slightly diverges, until it reaches the inner

TETRAGONOTES. 57

margins of the eyes ; eyes tolerably large and prominent, situated
near the base of the head ; the surface is deeply punctate, and
black. Thorax broader than the head, elongate, subparallel; the
anterior angles are depressed and distinct; the sides are finely
but evenly marginate, with a lateral angulated projection, ante-
medial, and broadly denned; the surface of the thorax is more
equate than in T. elegans; the sides are broadly depressed, and there
is an absence of any abrupt elevations on the anterior disc ; the
surface is deeply punctate throughout, and black. Scutellum trian-
gular, rounded at the apex, impunctate, black. Elytra broader than
the thorax, subelongate, punctate-striate, and (when seen under a
high power) clothed with a very fine squamose pubescence. Antennce
robust, filiform, rufo-piceous. Legs piceous, the base of the femora
being flavous, and the posterior tibiae testaceous.

T. atra is almost identical in the details of its structure with T.
elegans, except in the formation of the surface of its thorax • there is
here such a complete difference, that I have not hesitated in deciding
them to be two distinct species. Constancia ; taken by Mr. Gray and
myself, January 1857.

3. Tetragonotes calceata,

T. oblongo-ovata, subparallela, subpubescens, flavo-ferruyinea ;
capite elongatulo, ad medium (infra antennarum basin) longitu-
dinaliter carinato, supra oblique carinato ; thorace elongate, an-
gulis anterioribus subacutis, ad latera marginato et (ad medium)
dentato, punctato, nigro ; elytris subparallelis, punctato-striatis,
flavo-pubescentibus, flavo-ferrugineis, ad humeros, latera, sutu-
ram, et macula longitudinali media inter strias 5 et 7, nigris ;
antennis Jiliformibus, fuscis ; pedibus nigris.

Long. corp. 2% lin., lat. 1 lin.

Oblong-ovate, subparallel, slightly depressed, finely pubescent,
flavo-ferrugineous. Head broadly subelongated; from the upper part
of the labrum a longitudinal medial carination extends upwards
to the base of the antennae, from whence it diverges on either side in
an oblique direction, terminating at the inner margin of the eyes ;
the surface finely punctate. Thorax elongate, not much broader than
the head; the anterior angles subacute and depressed; the sides
marginate, depressed, and produced antemedially into an obsolete
tooth ; at the base transversely depressed ; the antemedial centre of
the disc is elevated into two obsolete and glabrous tubercles ; the
surface is coarsely and irregularly punctate, black. Scutellum tri-
angular, fuscous. Elytra subparallel, broader than the thorax, finely
punctate-striate, the punctures being frequent, and the striae almost

58 TETRAGONOTE8.

obsolete ; clothed throughout with a fine silky flavous pubescence ;
flavo-ferrugineous ; at the humeral angles, along the margination, and
along the suture (more broadly at the apex), black ; between the fifth
and seventh striae also is a longitudinal suffused marking of fuscous,
which does not extend either to the humeral angles or the apex.
Antennae filiform, robust, fuscous. Legs black.

Brazil. In the collection of M. Chevrolat.

4. Tetragonotes subanchoralis. (TAB. II. fig. 5.)

T. oblongo-ovata, subdepressa, impubescens, testacea, nitida ; capite
brevi, subproducto, inter oculos T foveolato, impunctato, nigro ;
thorace quadrato, ad latera marginato, dentato, Icevi, impunctato,
rufo-ferrugineo ; elytris oblongis, subdepressis, striato-punctatis,
flavis, ad basin, ad suturam, et ad marginem (tenue), maculis
etiam quatuor (postmediis circularibus, ad apicem oblongis),
nlgris ; antennis robustis, nigro-fuscis ; pedibus piceis, suffuso-
ferrugineis.

Long. corp. 3^ lin., lat. 1-J- lin.

Oblong-ovate, parallel, subdepressed, impubescent, testaceous,
shining. Head short, transverse, slightly and broadly produced ; be-
low the base' of the antennas the surface is transversely depressed ;
eyes tolerably prominent, situated nearly at the base of the head ;
above the base of the antennae and between the eyes is a transverse
and also a longitudinal depression, which form together the character
of the letter T ; the surface impunctate, black. Thorax quadrate ;
the anterior angles subacute, the sides marginate and extending
laterally (a little in front of the middle) into a broad and distinct tooth-
like projection; the surface smooth, impunctate, rufo-ferrugineous,
shining. Scutellum triangular, impunctate, black. Elytra oblong,
parallel, subdepressed, finely marked with rows of punctures in the
form of striae, impubescent, flavous ; at the base a broad and suffused
black band extends across the shoulders, and also along the suture
for about a third of its length : two circular spots are situated post-
medially near the margin, between the fourth and eighth rows of
punctures ; and at the apex two other oblong markings (extending
in an oblique direction) are separated from the margination, but
join the suture ; these four spots (with a narrow margin along the
line of margination of the sides, and another, more distinct, at the
suture) are fuscous-black. Antennae robust, dark fuscous. Legs:
the femora flavo-ferrugineous (the apex and upper part of the femora
being suffused with piceous) ; the tibiae and tarsi piceous ; on the
outer longitudinal margins of the posterior tibiae, near the insertion of

TETRAGONOTES. 59

the tarsi, is a small obsolete tooth-like projection ; the globular in-
flation above the posterior claw brightly rufo-piceous.

Venezuela. In the collection of M. Chevrolat.

5. Tetragonotes angulicollis. (TAB. II. fig. 4.)

T. oblongo-ovata, rufo-ferruginea ; capite brevi, transverse, sub-
producto, inter oculos transverse foveolato, punctato, nigro ; iho-
race elongato, angulis anticis depressis, fortiter truncatis, ad latera
et basin depresso, impunctato, flavo-ferrugineo ; elytris latis, sub-
parallelis, punctato-striatis, rufo-ferrugineis, ad basin et apicem
nigris; antennis filiformibus, robustis, nigris, articulis(ad basin)
1 et 2 rufo-fuscls ; pedibus rufis ; tibiis et tarsis piceo-suffusis.

Long. corp. 1-| lin., lat. \~ lin.

Oblong-ovate, impubescent, nigro-ferrugineous. Head short, trans-
verse, slightly and broadly produced in front; immediately above
the base of the antennae and between the eyes is an obliquely trans-
verse carination ; surface thickly punctate, black ; at the inner mar-
gin of the eyes (near the termination of the transverse carination)
are two suffused circular spots of rufous colour. Thorax elongate ;
the anterior angles depressed and very broadly truncate (the trun-
cation giving to the antemedial margination the appearance of a di-
stinct tooth-like projection) ; the sides subdepressed and marginate ;
at the base is a slight transverse depression, above which (near the
centre of the disc) are two distinct elevations ; the surface impunctate,
flavo-ferrugineous. Scutellum small, triangular, fuscous. Elytra
broad, subparallel, subdepressed, punctate-striate ; the surface is
somewhat raised near the scutellary angles; the colour is rufo-
ferrugineous, with the apex and the base broadly black. Antenna
robust, filiform, black, the basal joint being rufo-fuscous. Legs ru-
fous, the tibiae and tarsi being suirused with piceous.

Brazil. In the collection of M. Chevrolat.

6. Tetragonotes vittata. (TAB. II. fig. 6.)

T. oblongo-ovata, parallela, subpubescens, punctato-striata, flava ;
capite inter oculos oblique carinato, ad basin punctato, fusco,
ad apicem, et ad oculorum marginem superiorem, fulvo ; thorace
elongato, ad latera angulato, ad medium obsolete bituberculato,
testaceo, vitta longitudinali media, marginibusque fulvis ; elytris
parallelis, punctato-striatis, tenue pubescentibus, testaceis, vitta
longitudinali lata, etiamque sutura et marginibus fuscis ; an-
tennis jiliformibus, piceis ; pedibus testaceis, tibiis tarsisque an-
terioribus (femorumque posticorum apicibus) fusco suffusis.

Long. corp. 2J lin., lat. 1 lin.

60 TETRAGON OTES.

Oblong-ovate, parallel, subdepressed, very finely pubescent, punc-
tate-striate, fusco-flavous. Head produced in front ; from the labnim
to the base of the antennse longitudinally carinated ; above the base
are two oblique carinations, extending to the upper and inner sur-
face of the eyes ; eyes tolerably large, extending laterally as far as the
anterior angles of the thorax; between the eyes, immediately above
the oblique carination, is a transverse depression, most apparent when
viewed transversely ; the surface is deeply and closely punctate ; of
a dark fuscous colour, the anterior portion of the head and also two
subcircular spots at the upper and inner margin of the eyes being
fulvous. Thorax elongate, rectilinear, the anterior angles subde-
pressed, the sides marginate, with an antemedial angulated projec-
tion ; the basal angles are slightly truncate ; when viewed from be-
hind, a slight transverse basal depression gives distinctness to two
faintly raised antemedial prominences ; finely and sparingly pubes-
cent ; the colour testaceous, with a broad longitudinal medial fascia
and also the margination on the sides fulvous. Scutellum fuscous.
Elytra rather broader than the thorax, parallel, punctate-striate,
the striae being obsolete near the apex, clothed sparingly with obso-
lete pubescence ; the colour is testaceous, with a broad longitudinal
band from the shoulders nearly to the apex fuscous ; the suture also
and the lateral margins are narrowly fuscous. Abdomen fuscous,
with the apex and three terminal segments testaceous. Antennce
somewhat elongate, filiform, piceous. Legs testaceous, the anterior
tibiae and tarsi and the apex of the postical femora being suffused
with fuscous.

Taken by Mr. Gray and myself at Constancia (Organ Mountains),
January 1857 ; also by Mr. Fry and other collectors in the same
district.

7. Tetragonotes hexagona.

T. oblongo-ovata, subparallela, elongata, tenue subpubescens, pal-
lide ferruginea ; capite producto, ad basin antennarum bituber-
culato, granulato ; ihorace elongato, angusto, ad latera margi-
nato et dentato, ad basin depresso, ad medium subelevato, punc-
tato ; elytris parallelis, tenue punctato-striatis, et pube flava
vestitis ; antennis robustis, filiformibus, nigris ; pedibus nigris,
femoribus tarsisque posticis lurido-flavis.

Long. corp. 3 lin., lat. 1^ lin.

Oblong-ovate, subparallel, elongate, when viewed under a high
magnifying power finely pubescent, of a lurid or pale ferrugineous
colour. Head produced and depressed in front, broad; above the
labrum is a faint medial longitudinal carination extending to the

PACHYONYCHIS. 61

insertion of the antennae; immediately above the base of the an-
tennae are two oblong tubercles, situated obliquely in the direction
of the inner surface of the eyes ; the surface finely granulated ; eyes
large and prominent. Thorax elongate, narrow, the anterior angles
depressed and subacute; the sides subdepressed, marginate, and
produced antemedially into a distinct tooth ; the base broadly and
transversely depressed ; the antemedial centre of the disc is (when
viewed from the front) slightly elevated into two obsolete and gla-
brous tubercles, the rest of the surface coarsely and unevenly punc-
tate. Scutellum small, triangular. Elytra broader than the thorax,
elongate, parallel, finely punctate-striate, and clothed throughout
with a very fine pale flavous pubescence. Antennae robust, filiform,
black. Legs robust, black, the base of the femora and also of the
posterior tarsi of a lurid yellow colour.

Brazil. In the collection of M. Chevrolat.

Genus 7. PACHYONYCHIS*. (TAB. II. fig. 7.)
Dej. Cat. p. 408, ed. 3, 1837.

LABRTJM transversum, breve.

PALPI MAXILLARES sat robusti, art. 2nd0 et 3*° ad apicem oblique
truncatis.

PALPI LABIALES elongati, minuti.

ANTENNJE approximate, breves, ad apicem dilatatce, art. 2nd0 hand

brevi, attenuate, art. 4to quam 3tiw> longiori, reliquis dilatatis.
OCTJLI magni, globosi, ad basin capitis positi.
CAPTJT breve, transversum, haud productum.

THORAX transversus (subquadratus), antice constrictus, et ad latera
coarctatus, Icevis, glaber.

ELYTRA lata, depressa, subparallela, marginata.

PEDES sat robusti, tarsorum ant. art. basali lato, 2nd" minuto ; tibiis

posticis brevibus, apicem versus robustis et oblique truncatis, ad

ipsum apicem calcaratis.

Labrum short, transverse.

Maxillary palpi (Tab. II. fig. 7 m) tolerably robust, apparently
slightly geniculated ; the second and third joints subparallel, some-
what thickened towards the apex, and obliquely truncate ; the api-
cal joint narrower and conical.

Labial palpi (Tab. II. fig. 7 n) elongate.

, robustus; ovv%, unguis.

62 PACHYONYCHIS.

Antennae (Tab. II. fig. 7 a) short, robust, gradually dilated towards
the apex ; the basal joint is longer than the others, and broad ; the
second (not thick, ovate, and shorter than the rest, but) narrow, and
of length equal to that of the apical joints ; the third and fourth sub-
equal in length, attenuated at the base, the fourth being almost longer
than the third ; the fifth and following are gradually dilated, monili-
form, short, robust (the breadth being equal to the length), rounded
at the base and transversely truncate at the apex ; the whole (when
viewed under a high power) very finely pubescent : the antennae are
in their insertion approximate, and situated between (not below) the
inner margins of the eyes.

Eyes large, globose, situated at the base of the head, and not ex-
tending laterally as far as the anterior angles of the thorax.

Head very short, transverse, inclined at right angles to the plane
of the elytra ; not produced in front.

Thorax transverse, almost quadrate, broader than the head, in
front hardly perceptibly emarginate ; the sides are gradually con-
stricted in front, and immediately within the anterior and basal
angles coarctate, so as to give an angular or subcircular form to the
middle ; the anterior angles are subacute and considerably depressed ;
the surface is smooth and glabrous.

Scutellum subtriangular, convex.

Elytra broad, depressed, broader than the thorax, the sides sub-
parallel, and evenly marginate.

Legs : the anterior femora robust. The tibice inflected at their
immediate base, and gradually thickened towards the apex. The
tarsi (Tab. II. fig. 7 d) are short and sufficiently robust ; the basal
ioint is dilated, broader than the apex of the tibia, rounded at the
base, and in front transversely truncate, convex (rather than flattened,
as in other groups) ; the second is minute, triangular, very consider-
ably smaller than the first ; the third is equal to the second, deeply
bilobed, and fringed at its margin with rigid pubescence ; the fourth
is elongate and attenuated, gradually thickened, and incurved to-
wards the extremity ; the apical claw is bifid. The posterior femora
are broadly incrassated, gradually tapering towards the apex. The
tibice (Tab. II. fig. 7/) are short, distinctly inflected at their imme-
diate base, and sensibly thickened towards the apex, which is ob-
liquely truncate, terminating, behind the insertion of the tarsi, in a
single, robust, tooth-like spur. The tarsi are short ; the first joint
broad and triangular ; the second more minute ; the third subcir-
eular and bilobed, margined with rigid pubescence ; the apical joint
is attenuate, and produced ultimately into a globular inflation which
completely conceals (from above) the terminal claw ; the claw is

PACHYONYCHIS. 63

(like the anterior) bifid and simple, not armed at its inner surface
with any second tooth.

This genus has several well-defined characters, which, combined,
abundantly separate it from allied forms. In the antennae the
second joint is longer and narrower relatively than in other groups,
and the fourth joint is rather longer than the third. The sides of
the thorax are coarctate, in front and near the base ; and in the an-
terior tarsus the first joint is broadly dilated, and the second joint
minute.

1. Pachyonychis paradoxus. (TAB. II. fig. 7.)
Pachyonychis dimidiaticornis, Dej. Cat.

P. oHongo-ovatus, latus, depressus, punctatus, nigro-ceneus ; capite
brevi, haud producto, inter oculos transverse foveolato, impunctato,
glabro ; thorace quadrato, sed antea constrieto, impunctato, nitido,
nigro ; elytris latis, depressis, punctatis ; antennis robustis, ad
apicem incrassatis, art. \-4flavis, 5-Sfuscis, 9-11 pallideflavis ;
pedibus flavis, tar sis anterioribus fusco suffusis.

Long. corp. 1-| lin., lat. f lin.

Oblong-ovate, broad, depressed, thickly punctate, of a dark olive-
green colour which approaches to black. Head short, transverse, not
produced between the eyes : between the eyes is an obsolete, trans-
verse, irregular groove, which is connected medially with the base
of the antennae by a fine longitudinal fovea; the two, together,
forming the impression of the letter T : the surface impunctate, gla-
brous. Thorax quadrate in general form, but considerably con-
stricted anteriorly; this constriction, commencing from the middle
of the sides, gives the appearance of a very broad truncation of the
anterior angles ; the anterior angles subacute, very much depressed ;
the sides marginate, more distinctly near the posterior and anterior
angles ; surface impunctate, shining, black. Scutettum triangular,
large, and distinct ; the sides slightly rounded, impunctate. Elytra
broader than the thorax, depressed; the sides broadly marginate;
the surface thickly and coarsely punctate throughout. Antennae
robust, incrassated towards the apex ; the first joint elongate, and
dilated near the apex ; the second ovate ; the third as narrow as,
but rather longer than, the second ; from the fifth to the eleventh
short, and dilated ; in colour, the first to the fourth flavous (the first
and fourth being slightly suffused with fuscous), the fifth to the
eighth dark fuscous, the ninth to the eleventh very pale flavous.
Legs flavous throughout, the anterior tarsi being suffused with
fuscous.

North America (Philadelphia). In the collection of M. Chevrolat.

64 ETJTORNUS.

Genus 8. EUTORNUS*. (TAB. II. fig. 8.)

LABRTTM breve.

PALPI MAXILLAHES robusti, elongati, art. 2nd0 quadrate, 3tio elongate, ad
apicem subdilatato, ultimo conico.

PALPI LABIALES elongati, attenuati.
ANTENNA breves, robustce, subincrassatce.
CAPUT breve, transversum, deflectum.

THOEAX latus, transversus, antice valde emarginatus et eonstrictus, ad
latera marginatus ; rotundatus, fortiter punctatus.

ELYTRA lata, robusta, rotundata, punctata.

PEDES robusti; femoribus anterioribus brevibus, tibiis ad basin in-
curvatis ; femoribus posticis incrassatissimis, tibiis brevibus, sim-
plicibus, tarsis attenuatis.

Labrum short, subcircular.

Maxillary palpi (Tab. II. fig. 8 m) robust, elongated, subdilated ;
the first joint narrow and abbreviated ; the second almost quadrate,
dilated at the apex ; the third longer, distinctly subdilated at the
apex ; the terminal joint shorter and conical.

Labial palpi (Tab. II. fig. 8n) elongate, slender.

Antennae (Tab. II. fig. 8 a} short, robust, slightly incrassated ; the
first joint subelongated, dilated, and inflected outwards ; the second
narrower, ovate ; the third shorter than the first, but narrower ; the
following short, almost transverse, truncate, and gradually dilated
towards the apex.

Eyes tolerably large, situated at the base of the head, extending
laterally not so far as the anterior angles of the thorax.

Head short, transverse, deflected at right angles to the plane of
the elytra, not produced in front.

Thorax broad, transverse, broader than the head, in front distinctly
emarginate, at the sides broadly marginate, and constricted towards
the apex; the base is subcircular (almost parallel to the anterior
margin) ; the anterior angles considerably depressed and subacute ;
the surface is rounded and deeply punctured.

Scutellum broadly triangular, impunctate, glabrous, in the same
plane as the elytra.

Elytra broad, robust, somewhat broader than the thorax, rounded
at the apex, punctate.

Legs : the anterior femora broad, short. The tibice are robust,
short, incurved at their immediate base, and gradually thickened
towards the apex, which is transversely truncate. The torsi are

* ev, bene ; ropvos, convolutus.

EUTORNT7S. 65

short and dilated ; the basal joint triangular, the breadth being equal
to that of the base of the tarsi ; the second of similar form, but more
minute ; the third broadly ovate, hardly bilobed ; from its centre
proceeds the terminal joint, attenuate, incurved, slightly thickened
towards the extremity, which terminates in a bifid claw, simple, and
acute ; at its inner surface, near the base, abruptly thickened. The
posterior femora are much incrassated and short, tapering gradually
towards the apex. The tibice are short, straight, unarmed by any
postical spur above the insertion of the tarsi, slightly thickened
towards the apex, which is obliquely truncate, and armed on either
side of the socket which receives the tarsus with a row of minute
comb-like teeth. The tarsus short, of the same form as, but more
attenuate than, the anterior; the ultimate joint terminating in a
globular inflation above the apical claw.

1. Eutornus Africanus. (TAB. II. fig. 8.)

E. ovatus, latus,punetatus, impubescens, niger; capiteparvo, multum
depresso, inter oculos carinato, fusco, ad basin rufo ; thorace lato,
depresso, antice emarginato, ad latera antice constricto et valde
depresso, marginato, punctato, rufo-ferrugineo ; elytris latis, ro-
bustis, punctatis, nigris, longitudinaliterjlavo-bivittatis; antennis
brevibus, rolustis, incrassatis, fuscis ; pedibus fuscis, femoribus
posticis ad basin rufo-flavis.

Long. corp. 2| lin., lat. 1^- lin.

Ovate, broad, subspherical, punctate, impubescent, black. Head
minute, transverse, depressed at right angles to the plane of the
elytra, not produced : above the insertion of the antennae is a trans-
verse carination, extending obliquely upwards to the inner and upper
margins of the eyes ; connecting this with the basal line is a longi-
tudinal medial fovea : eyes large, subglobose, lateral, situated a little
below the anterior margin of the thorax ; surface finely punctate,
dark fuscous, the base being broadly rufo-ferrugineous. Thorax
broad, transverse, depressed, considerably constricted in front ; the
anterior angles rounded ; the anterior margin broadly emarginate, the
sides marginate ; the surface deeply punctate, rufo-ferrugineous,
suffused medially sparingly with fuscous. Scutellum broadly tri-
angular, situated in the plane of the elytra, impunctate, black.
Elytra broader than the thorax, robust, convex, rounded at the apex,
deeply punctate throughout, black : a longitudinal rufo-flavous band,
accurately parallel with the suture, extends at a short distance from
it on either side from the base to the apex ; at the apex it extends
transversely to the margination, which also is (not so broadly)
rufo-flavous. Antenna; short, robust, incrassated towards the apex,

r

66 PH^DEOMFS.

darkly fuscous, the third and fourth joints being rufo-fuscous. Legs
robust, fuscous, the base of the posterior femora being broadly rufo-
flavous.

A single example of this fine species was taken by the late Mr.
Foxcroft, in the neighbourhood of Sierra Leone, and is in the cabinet
of Mr. Baly.

Genus 9. PHJEDROMUS*. (TAB. III. fig. 1.)
LABRUM transversum.

PALPI MAXILLAKES : art. 2ndo ad basin attenuate, ad apicem dilatato et
oblique truncato, 3"° elongato et contracto, 4to minuto.

PALPI LABIALES elongati.

AxT'ENN&JiUformes, sat robustce.

OCULI globosi, ad latera capitis positi.

CAPUT breve, haud antice productum.

THORAX transversus, latus, ad latera angulatus, glaber.

ELYTRA subparallela, depressa, elongata, ad apicem rotundata.

PEDES : tarsis anterioribus latis, artw. 3*'° haud bifido ; femoribus
posticis incrassatis, tibiis ad apicem longitudinaliter marginatis,
tarsis attenuatis.

Labrum transversely subcircular.

Mandibles robust, short, with an inner obsolete tooth at their
inner margin, concealed.

Maxillary palpi (Tab. III. fig. 1 m) : the basal joint obsolete,
obscure ; the second narrower at the base than the apex of the basal
joint, dilated and broadly truncate at the apex, the length being
more than twice the greatest breadth ; the third more elongate, and
narrower, subdilated towards the apex, and broadly truncate ; the
apical joint is minute, subconical, considerably smaller at the base
than the apex of the penultimate joint, the length equalling 1-J. of its
breadth.

Labial palpi (Tab. III. fig. 1 n) corresponding in form to the
maxillary ; the second joint elongated, and gradually dilated towards
the apex ; the apical joint minute, smaller at the base than the apex
of the second joint, narrower and distinctly more elongate than the
ultimate maxillary joint.

Antennce filiform, sufficiently robust ; the basal joint elongate, in-
curved outwards, and gradually dilated towards the apex, the apex
broadly and transversely truncate ; the second much narrower than
the first, short, and ovate; the third shorter than the first and

s, agilis.

PHJ3DROMUS. 67

narrower, attenuated, but subincrassated near the apex ; the fourth
and fifth are of the same form as, but shorter than, the third ; the
sixth to the eleventh are shorter, more ovate, less truncate at the
apex ; the apical joint being acuminated : the whole are sparingly
clothed with fine pubescence, two or three longer and separate hairs
being discernible at the apex of each joint.

Eyes large and globose, situated at the base of, and at the sides of
the head, distant, extending laterally somewhat beyond the anterior
angles of the thorax.

Head short, transverse, narrower than the thorax, not produced in
front.

Thorax transverse, broader than the head, anteriorly not emar-
ginate ; the sides are finely marginate, and produced in front of the
middle into a broad, well-defined obtuse angle, of the same form as,
but more transverse than, the thoracic angle in the genus Roi'cus ; the
surface is flattened throughout and subdepressed at the base.

Scutellum almost obsolete, in the same plane as the elytra, mi-
punctate.

Elytra subparallel, slightly broader than the thorax, depressed,
rounded and not attenuated at the apex; at the sides evenly
marginate, in P. Waterhousii finely punctate.

Legs : the anterior femora tolerably robust, hardly incrassated. The
tibice are inflected downwards at their immediate base, and gradually
incurved though their whole length, slightly dilated near the apex.
The tarsi are broad ; the first joint subtriangular, and of the same
breadth as the apex of the tibia ; the second of the same form, but
more minute ; the third broader than the first, transversely trian-
gular, not bilobed: all three are densely clothed with a thick pubescence
on their under sides and at their margins. The posterior femora are
broadly incrassated and ovate, tapering gradually towards the apex.
The tibia (Tab. III. fig. 1 g) is of the same form as the anterior,
slightly incurved throughout, and gradually increasing in thickness
towards the apex ; the hinder surface (when viewed posteriorly) is
flattened and longitudinally marginate ; near the apex the outline of
this margination is slightly sinuate (not dilated into a tooth, as in
preceding forms), and extended to the extreme apex, so as to form
the socket for the insertion of the base of the tarsus ; this socket is
broadly truncate, terminating ultimately in two short claw-like teeth :
the surface is clothed sparingly throughout with a bristle-like rigid
pubescence. The posterior tarsus is attenuated; the basal joint is
narrow, subdilated towards the apex ; the second of the same form
as, but shorter than the first ; the third broad, subcircular ; the whole
of these three joints being clothed at their apex (marginally and at their

F2

68 PH^DROMTTS.

under sides) with a dense pubescence : from the centre of the third
proceeds the base of the ultimate joint, which is long, attenuated,
slightly inflected, and gradually dilated into a globular inflation com-
pletely concealing from above the apical claw ; this claw is bifid, being
armed at the base of its inner surface with a small tooth-like projection.

This genus approaches, in the form of its thorax, to Tetragonotes
and Octogonotes : from the latter it is separated at once by the elongated
form of its palpi ; from the former it abundantly differs in its trans-
verse and more distinctly hexagonal form of thorax.

The parallel and depressed form ofPhcedromus abundantly separates
it from all other allied genera.

1. Phaedromus Waterhousii. (TAB. III. fig. 1.)

P. oblong o-ovatus, depressus, parallelus, impubescens, niger ; capite
transverse, depresso, inter oculos transverse foveolato, tenue punc-
tato, nigro ; ihorace transverse, ad latera angulato, impunctato,
flavo, glabro ; elytris depresses, parallelis, punctato-striatis ;
antennis robustis, subincrassatis, nigris ; pedibus flavo -fuscis,
femoribus anticis flavis, tarsisque posterioribus rufo-fuscis.

Long. corp. 3 lin., lat. 1 lin.

Oblong-ovate, depressed, parallel, impubescent, black, shining.
Head transverse, very slightly produced, and depressed almost at
right angles to the plane of the thorax ; immediately above the base
of the antennae is a Y-shaped carination, extending obliquely towards
the inner margin of the eyes, and containing within it (when viewed
under a high magnifying power) a minute longitudinal fovea, which
connects it with a broad transverse and tolerably distinct depression
extending between the upper margins of the eyes ; eyes large and
prominent, extending laterally beyond the anterior angle of the
thorax ; the surface finely punctate, glabrous, black. Thorax broader
than the head, transverse, the anterior angles obsolete, but subacute ;
the sides (which are submarginate) are produced laterally into a
distinct and prominent angle ; behind this angle, which is antemedial,
the lateral margins slightly approach one another towards the base ;
at the base is a broad but very shallow transverse depression, which
extends obliquely upwards towards the anterior angles ; the surface
is impunctate and glabrous, of a flavous colour. Scutellum small,
fuscous-black. Elytra slightly broader than the thorax, depressed,
parallel, and rounded at the apex, punctate-striate, the striae being
subobsolete ; at the shoulders (between the fifth and seventh striae)
is a longitudinal depression; at the apex both the striae and the
punctures are obsolete. Antennce robust, subincrassated near the

PHYSIMERTJS. 69

apex, black. Legs flavo-fuscous, the anterior femora being flavous
and the posterior tarsi rufo -fuscous.

South Carolina, United States. In the collection of Mr. Waterhouse.

Genus 10. PHYSIMEKUS*. (TAB. III. figs. 2-7.)
Dej. Cat. ed. 3, 1837, p. 407.
LABRUM transverse subrotundatum.

PALPI MAXILLARES elongati, art. 2nd0 subovato, 3 ampliori.
PALPI LABIALES elongati, subcylindrici.
AjrmnLB approximatce, robuslce,filiformes aut subincrassatce.

CAPUT breve, antice subproductum, plerumque inter oculos tuber cula turn
aut foveolatum.

THORAX quadratus aut elongatus, rarissime transversus ; angulis an-
terioribus acutis, haud ut in Ehinotmeto rotundatis.

ELYTRA lata, subparallela, punctato-striata aut punctata.

PEDES : femoribus anter. ad apicem dilatatis, tarsorum art. Imo trian-
gularly 2ndo brevi, minuto ; femoribus posticis incrassatis, ovatis ;
tibiis brevibus, apicem versus dilatatis, plerumque simplicibus(haud
ad marginationem calcaratis) ; tarsis brevibus et attenuatis.

Labrum transversely subrotundate.

Maxillary palpi (Tab. III. fig. 3m, fig. 4m) elongate, more or less
subincrassated ; the basal joint is minute ; the second subovate, the
apex being truncate ; the third joint is larger than the second, and
also ovate ; the terminal joint is smaller than the others, and conical.
The different species of this group seem, while exhibiting a manifest
relationship in the general form of the maxillary palpi, to be subject
to more variation inter se respecting them, than is found in the other
genera : possibly they may be hereafter subdivisible into different
sections.

Labial palpi (Tab. III. fig. 3 n, fig. 4 n) elongate, subcylindrical ;
the basal joint is, in outline, parallel ; the antepenultimate slightly
dilated towards the apex, and the terminal joint elongate and atte-
nuated.

Antenna tolerably approximate, situated under and between the
inner margins of the eyes ; robust ; generally filiform, or, in a very
few species, m&incrassated ; the first joint is elongate, dilated and
incurved outwards towards the apex; the second short, narrower
than the first, ovate ; the third as long as (and in the males some-
what longer than) the first, attenuated, subincrassated at the apex ;

* 0u<m, natiira ; /JF^OS, pars.

70 PHYSIMEKUS.

the fourth and fifth of equal length, somewhat shorter than, and of
similar form to, the third ; the sixth to the eleventh slightly more
robust, and shorter.

Eyes distant, situated at the base of the head, tolerably globose,
extending laterally beyond the anterior angles of the thorax.

Head short, depressed at oblique angles to the plane of the elytra,
very slightly produced in front ; for the most part tuberculated or
foveolated between the eyes.

Thorax broader than the head ; quadrate or elongate, in hardly
any instances transverse ; the anterior angles are considerably de-
pressed and distinct (not rounded or obsolete, as in Rhinotmetus), and
the sides are more or less broadly marginate.

Scutellum triangular.

Elytra broader than the thorax, robust, and rounded at the apex,
generally punctate-striate, and clothed more or less with pubescence.

Legs : the anterior femora subdilated towards the apex. The tibicv
shorter than the femora, incurved downwards at the immediate base,
slightly incrassated towards the apex, and broadly truncate. The
tarsus is considerably shorter ; the first joint is triangular, attenuated
at the base ; the second of the same form as the basal joint, but
smaller ; the third broader than the first, transverse, and subcircular
(very seldom bilobed): the under surface of these three joints is
clothed and the margins of them densely fringed by a thick rigid
pubescence : the terminal joint is elongate, attenuated at the apex,
and slightly incurved as well as incrassated towards the apex ; the
terminal claw is bifid, the inner margin of each tooth being armed
at its inner surface near the base with a short and blunt tooth-like
process. The posterior femora are thickly incrassated, subattenuated
towards the apex, and generally (when seen transversely) of a regular
ovate form. The posterior tibia is short, abruptly bent at the imme-
diate base, gradually subdilated towards the apex ; the surface (when
viewed from behind) is flattened, and on either side longitudinally
marginate : this margination near the apex is not developed into teeth-
like spurs, but is in most species simple ; occasionally, however, its
outline is subsinuate : the socket at the apex (which receives the inser-
tion of the tarsus) is armed at its margin by a series of minute teeth
arranged like the teeth of a comb, terminating ultimately in a single
abrupt claw. The posterior tarsus is short and attenuated ; the basal
joint is elongate, and dilated towards the apex, where it is broadly
truncate ; the second is narrower than, and of equal length to the first,
attenuated, and truncated at the apex ; the third joint is minute and
subcircular ; from the centre of the third proceeds the ultimate joint,
which is elongated, subciirved, and dilated at its extremity into a

PHYSIMERTJS. 71

globular inflation, which entirely conceals from above the apical
claw ; this claw is of the same form as the anterior.

The only sexual distinction that I can trace in this group is the
slightly elongated antennae of the males : this is discernible especially
in the third joint, which is rather longer than (instead of being
equal in length to) the first.

1. Physimerus impressus.

P. oblongo-ovalis, subdepressus, niger, nitidus ; capite brevi, leviter
producto, ad basin tricanaliculato, granulate, rufo-ferrugineo ;
thorace transverse, rectangulari, ad later a marginato, a posteriori
transverse depresso, punctato, rufo-ferrugineo ; elytris sat latis,
leviter striato-punctatis, ante medium transverse, et ad humeros
oblique fossulatis, nigris, nitidis ; antennis filiformibus (sub-
incrassatis), art. 1 et 2 fuscis, 3-5 flav is, 6-8 nig? is, "9 et 10
Jlavis ultimoque nigro ; pedibus anterioribus fuscis, fulvo-geni-
culatis, posticis femoribus nigris pubescentibus, tibiis tarsisque
ferrugineis.

Long. corp. 21 lin., lat. 1£ lin.

Oblong- oval, slightly depressed, somewhat robust, black, shining.
Head transverse, slightly produced ; at the base (at a sensible di-
stance above the base of the antenna) three slightly raised ridges
form together the figure of a trident — the outer ones being pro-
duced obliquely to the inner superior margin of the eyes, the medial
being continued to the basal margin ; these elevated ridges are
laevigate, the rest of the surface being granulated ; the colour is ferru-
gineous, at the apex fulvous. Thorax transverse (almost quadrate)
and rectilinear; the sides marginate; at the base are two slight
postmedial transverse depressions ; punctate, ferrugineous. Scutellum
triangular, fuscous. Elytra robust, broader than the thorax, with
faint punctuation arranged irregularly as stria3 (this punctuation is
obsolete at the apex); a deep antemedial depression extends ob-
liquely upwards towards the base (reaching it at the sixth line of
punctuation), and gives an appearance of prominence to the humeral
and also the scutellary angles; black, shining. Antennce filiform,
robust, slightly incrassated towards the apex ; the first and second
joints are fuscous, third to fifth flavous, sixth to eighth black,
ninth and tenth flavous, the apical joint black. Legs : the anterior
femora black ; the tibiae fuscous, with their superior surface clouded
with black ; the tarsi fuscous : of the postical, the femora are black,
the tibiae and tarsi ferrugineous.

Taken at Petropolis (Organ Mountains, Rio de Janeiro) by Mr.
Fry, and in that gentleman's cabinet.

72 PHTSIMERITS.

2. Physimerus vittatus.
Physimerus vittatus, Dej. Cat. (ed. 3) p. 407 (auctore Chevr. Coll.).

f.oblongo-ovatus, subdepressus,flavus; capite brevi; thorace trans-
verso, ad latera marginato, ad basin depresso, punctato ; elytris
parallelis,punctato-striatis,fulvis,quatuor vittis flavis a humeris
usque ad apicem ; antennis elongatulis, fuscis ; pedibus flavis.

Long. corp. 2| lin., lat. 1 tin.

Oblong-ovate, somewhat depressed, parallel, subpubescent, flavons.
Head short, transverse, slightly depressed ; eyes black, somewhat
prominent, distant, and extending at their outer margin laterally as
far as the line of the thorax ; between the eyes is a transverse de-
pression (which varies somewhat as to its breadth in different ex-
amples) ; the upper and posterior surface of the head thickly punc-
tate. Thorax transverse ; the sides marginate and slightly convex ;
the anterior angles distinct and subacute ; the surface complanate,
thickly punctured, with a broad transverse basal depression extending
upwards and outwards towards the anterior angles. Scutellum small,
triangular. Elytra punctate-striate, darkly fulvous, with four lon-
gitudinal bands extending from the shoulders to the apex, and clothed
with (apparently formed by) a covering of bright silky flavous pu-
bescence ; these bands are generally equal in breadth to the spaces
which separate them, and are parallel, not to the striee, but to the
suture : throughout the whole surface of the elytra are distributed
long, distinct, upright hairs. Antennae somewhat fine and elongate,
fuscous ; first joint thick and dilated ; the second short and ovate;
the fifth the length of the first ; the fourth longer than the fifth,
and the third than the fourth. Legs flavous, with the upper surface
more or less marked with shadings of brown.

Closely allied to quatuor-lineatus, but separated from it by the dif-
ferent arrangement of the depressions on the head, and the absence of
any marking along the suture.

Brazil (in the province of Rio Janeiro). In the collections of
Mr. Fry, M. Chevrolat, and the Rev. H. Clark.

3. Physimerus quatuor-lineatus.

Octogonotes quadrilineatus, Regne Anim. 1829, Guer. Meneville,
(vol. v. p. 154).

P. oblongo-ovatus, subparallelus, subtiliter pubescens, pallide flavus ;
capite brevi, subelongato, inter oculos in forma crucis foveolato,
impunctato ; thorace transverse, lato, ad basin subdepresso ;
elytris punctato-striatis, vittis duabus longitudinalibus, hac inter
strias 2 et 4, brevi, ilia apud marginem a humero ad apicem ;
antennis art. 1 et 2 flavis (reliqui desunt) ; pedibus flavis.

Long. corp. 2j lin., lat. 1-J- lin.

PHYSIMEBUS. 73

Oblong-ovate, subparallel, very finely pubescent, of a pale flavous
colour. Head short, transverse, subelongated in front, and reflected
downwards (at the insertion of the antennae) at a right angle to the
plane of the elytra ; between the eyes is a distinct transverse groove,
and crossing it at right angles is another (longitudinal and medial),
extending from the insertion of the antennae to the base ; the surface
impunctate : eyes tolerably prominent, black, situated at the base of
the head. Thorax transverse, extending beyond the outer margin
of the eyes ; the anterior angles depressed and subacute, but almost
obsolete ; the sides marginate, slightly dilated medially ; at the base
is a transverse depression ; the surface is impunctate and (when
viewed under a high power) very finely flavo-pubescent. Scutellum
small, triangular, impunctate. Elytra subparallel, punctate-striate ;
between the second and the fourth striae is a longitudinal band of
darker fulvous parallel to the suture, and which does not exjtend to
the apex ; along the margination is another, narrower band, which
extends from the shoulders in a somewhat irregular line to the apex ;
these four longitudinal lines are glabrous, the rest of the surface
being clothed with a fine pale flavous pubescence. Antennae, : the first
two joints flavous (the rest are wanting). Legs flavous throughout.

Brazil. In the collection of M. Chevrolat.

This species approaches very nearly to vitfafas ; it differs, how-
ever, in the form and position of the longitudinal markings on the
elytra : in quatuor-lineatus these occur from the second to about the
fourth striae, and again along the margination ; while in vittatus
the medial marking is along the sutural line, and the exterior
marking, not along the line of margination, but between the fourth
and sixth striae : the form of the depressions on the head also suffi-
ciently distinguishes it.

4. Physimerus virgatus.

P. oblongo-ovatus, latus, robustus, pubescens, fuscus ; capite elonga-
tulo, supra basin antennarum granulato, nigro ; fhorace trans-
verso, rectilineari, apud angulos posticos, etiamque longitudina-
liter ad medium foveolato, nigro ; elytris latis, punctato-striatis,
flavo-pubescentibus, quatuor-lineatis ; antennis ad apicem in-
crassatis, nigris ; pedibus piceis.

Long. corp. 2 lin., lat. 1 lin.

Oblong- ovate, broad, robust, very finely pubescent, fuscous. Head
short, transverse, elongate in front ; between the upper part of the
labrum and the base of the antennae is a triangular depressed and gla-
brous plane ; above the base of the antennae and between the eyes the

74 PHYSIMERUS.

surface is irregularly and coarsely granulated ; the colour black : eyes
tolerably large, situated at the base of the head. Thorax transverse,
broader than the head, but much narrower than the elytra, rectan-
gular, rectilinear ; the anterior angles depressed ; the sides submar-
ginate ; at the basal angles is a broad, distinct and tolerably deep
depression, while, medially, a longitudinal fovea extends from the
anterior margin to the base ; the surface (when viewed under a high
power) is clothed throughout sparingly with short pale fulvous pu-
bescence ; the colour black. Scutellum triangular, fuscous. Elytra
much broader than the thorax, robust, punctate-striate, clothed
throughout with a fine and thick brightly-navous pubescence : this
pubescence is broken by several bands of piceous colour, extending
from the shoulder to the apex; the first (which is between the
suture and the first stria) extends nearly to the apex ; the second
(between the second and third striae) does not reach the apex ;
the third (between the fourth and fifth striae) extends only two-
thirds of the length of the elytra ; the fourth (between the sixth
and seventh striae) is longer than the third, but shorter than the
second ; the fifth (between the eighth and ninth striae) is as long as
the second, becoming somewhat obsolete as it approaches the apex ;
and, lastly, the line of margination which extends from the shoulders
to the apex ; these intermediate (with the sutural and marginal) lines
are all of equal breadth. Antennae, tolerably robust, incrassated to-
wards the apex, black. Legs piceous throughout.

Columbia ; Bogota. Taken by M. Parzudaki. In the collection of
M. Chevrolat.

5. Physimerus labialis.

P. oblongo-ovatus, subattenuatus, pubescens, brunneus ; capite brevi,
transverso, ad basin antennarum T foveolato, granulato, impu-
bescenti ; thorace transverse, ad basin oblique depresso, subpunc-
tato, sparsim pube vestito ; elytris subparallelis, punctato-striatis,
pubescentibus ; antennisfiliformibus,fuscis; pedibusflavis,fusco
suffusis.

Long. corp. 2 lin., lat. 1 lin.

Oblong-ovate, subattenuated, very finely pubescent, of a tawny-
brown colour throughout. Head short, transverse, very slightly
produced in front ; between the labrum and the base of the antennae
is a transverse plane (impunctate and of a pale rufous colour) ; im-
mediately above the base of the antennae are two minute tubercles,
giving distinctness to a transverse and to a longitudinal fovea, which
form, together, the character of the letter T ; the surface throughout
granulated and impubescent. Thorax transverse (almost quadrate) ;

PHYSIMERTJS. 75

the anterior angles depressed, the sides marginate ; at the base is a
transverse depression which extends obliquely upwards towards the
humeral angles ; the surface is finely punctate, sparingly clothed
throughout with pubescence. Scutellum minute. Elytra subparallel,
slightly broader than the thorax, and attenuated at the apex ; punc-
tate-striate, and clothed throughout with a very fine and sparingly
distributed silken pubescence. Antennae filiform, fuscous. Legs fla-
vous, suffused irregularly with fuscous.

Mexico. In the collection of M. Chevrolat.

6. Physimerus ambiguus. (TAB. III. fig. 2.)

P. oblongus, subdepressus, subparallelus, robustus, nigro-cyaneus ;
capite brevi, rufo ; thorace transverso, ad basin depresso, punc-
tato, rufo; elytris punctatis (striispene obsoletis); antennis fili-
formibus, robustis, fuscis, ad basin rufis ; pedibus nigris.

Long. corp. 2 lin., lat. | lin.

Oblong, slightly depressed, subparallel, robust, of a dark metallic-
blue colour. Head short, depressed, very slightly elongated; be-
tween the eyes is a transverse canaliculation, the extremities of
which are deflected upwards towards the upper and inner margins of
the eyes; this canaliculation is shallow and almost obsolete: eyes
slightly prominent, large, and distant; maxillary palpi dark fuscous;
surface of the head roughly punctate and rufous. Thorax rectan-
gular, transverse (almost quadrate) ; the sides are slightly marginate
and (when viewed laterally) considerably depressed in front; the
surface of the thorax subconvex, with an obscure transverse basal de-
pression, coarsely punctate and rufous. Scutellum triangular, black.
Elytra distinctly punctate, the punctures being arranged in the form
of striae (the stria3 themselves being almost obsolete, not so distinct as
in P. agilis), smooth, of a metallic bright blue, clothed very sparingly
throughout (more distinctly at the apex) with pubescence ; an ante-
medial transverse and shallow depression (which extends upwards
on either side towards the humeral angles) gives an appearance of
prominence to the shoulders. Antennae filiform, fuscous, with the
base of the terminal joints rufous ; the first joint dilated towards its
extremity and curved outwards ; the second short, oval ; the third,
fourth, and fifth attenuate ; the sixth to the eleventh with a slight
tendency to dilatation. Legs black, with the base of the tarsal joints
and the posterior apical claw rufous.

There are apparently two forms of this insect : one (the typical
form), in which the thorax is transverse (almost quadrate), and the

76 PHTSIMERUS.

length of the insect 2-2± lin. ; the other, in which the thorax is
quadrate, and the length 1J lin. At first sight they appear to be
decidedly different species ; more careful examination, however, fails
in detecting any real distinctive characters except these ; and these
fail as a specific distinction from the fact that there are intermediates
both in size and form, and that the quadrate thorax and the smaller
size are not always found together in the same example.

Apparently a common insect in Brazil. In the cabinets of Messrs.
Fry, Baly, Gray, and the Rev. H. Clark. Examples of this species
were captured by Mr. Gray and myself at Constancia (the English
boarding-house of Mr. Heath, Organ Mountains), January 1857.

7, Physimerus agilis.

P. oblongus, subparallelus, robustus, niger ; capite transverso, sub-
elongatulo, punctato, fusco ; thorace quadrato, rectangularly ad
basin obsolete transverse depresso, punctato, rufo-testaceo ; elytris
sat latis, subparallelis, punctato -striatis ; antennis Jiliformibus,
robustis ; pedibus rufis, fusco suffusis, femoribus posticis nigro-
fuscis.

Long. corp. 2J lin., lat. 1 lin.

Oblong, somewhat depressed, subparallel, robust, of a greenish-
black or black colour. Head transverse, short, depressed, hardly
elongated in front ; between the eyes (extending upwards on either
side in a semicircular form towards their upper and inner margins) is
a transverse shallow fovea, which is connected medially by a longitu-
dinal channel with the space between the insertion of the antennae ;
eyes distinct, slightly prominent and distant, situate at the base of
the head ; surface of the head punctate and fuscous. Thorax qua-
drate, rectangular ; sides slightly marginate, and (when viewed la-
terally) gradually deflected from the humeral angles to the outer and
lower margins of the eyes ; at the base is an almost obsolete trans-
verse depression ; the surface is punctate throughout and rufo-testa-
ceous. Scutellum triangular, fuscous. Elytra tolerably broad and
subparallel, distinctly punctate-striate, with a broad and obsolete
antemedial transverse depression, very darkly fuscous or nearly black.
Antennae, filiform, short, robust ; the first joint dilated and slightly
deflected outwards ; the second short and ovate (but somewhat longer
than in P. ambiguus) ; the third narrower than the others and longer
than the first : a tendency to dilatation is evident in the ultimate
joints. Legs rufous, marked more or less on their upper surface with
a darker shade of brown ; posterior femora very darkly fuscous; on the
inner margin of the claws the spur is large and distinctly visible ; the
bladder-like inflation of the posterior claw darkly and brightly red.

PHYSIMERFS. 77

There is a great similarity as to general appearance between this
insect and P. ambiguus ; the darker and less brilliant colour, as well as
the very distinct striation on its elytra (and the rufous colour of its
anterior legs), abundantly separate the species.

I captured a single specimen of this insect at Constancia (Organ
Mountains), January 1857.

8. Physimerus revisus.

P. oblongo-ovatus, impubescens, nigro-cyaneus ; capite brevi, ad
basin antennarum T impresso, punctulato ; ihorace quadrato,
rectangulari, ad basin constricto et transverse depresso ; elytris
subparallelis, striato-punctatis, impubescentibus ; antennis fili-
formibus, nigris ; pedibus nigris.

Long. corp. 2\ lin., lat. 1^- lin.

Oblong-ovate, impubescent, of a bright dark cyaneous colour.
Head transverse, slightly produced ; above the labrum is a trans-
verse triangular subdepression ; immediately above the 'insertion of
the antennae (when viewed in front) is a longitudinal channel, bi-
secting at its upper extremity a transverse fovea, which form to-
gether the character of the letter T ; eyes situated at the base of the
head; the surface is finely and very sparingly punctate, flavous.
Thorax quadrate, rectangular, the sides slightly constricted towards
the base and marginate; the base transversely subdepressed ; the
surface impubescent, sparingly and very finely punctate, more thickly
towards the base. Scutellum triangular. JStytra subparallel, with
distinct punctures arranged in the form of stria3, impubescent, gla-
brous. Antennce filiform, black. Legs black.

Brazil. In the collection of M. Chevrolat.

This species may be separated from P. ambiguus, P. agilis, and other
allied species by its total absence of pubescence, and also of strice on
the elytra ; it differs also materially in the form of the head, and in
the form, markings, and relative size of the thorax.

9. Physimerns luteicollis.

P. ovalis, depressus, subpubescens, fuscus ; capite brevi, Jiaud pro-
ducto, luteo, punctato, oculis magnis, distantibus ; ihorace qua-
drato (angulis acutis), ad basin transverse depresso, punctato,
luteo ; elytris punctato-striatis, subpubescentibus ; antennis fuscis
(ad basin articulorum flavis} ; pedibus flavis, femoribus tibiisque
posticis elongatulis.

Long. corp. If lin., lat. f lin.

Oval, slightly depressed, subparallel, clothed throughout with a

78 PHYSIMERITS.

fine and indistinct ashy pubescence, fuscous. Head short, transverse,
and (when viewed laterally) very slightly produced; the eyes are
large, prominent, and distant ; between the eyes is a distinct trans-
verse groove, inclining obliquely upwards in the direction of the
upper and inner margins of the eyes, and connected by a medial
horizontal fovea with the insertion of the antenna? ; surface of the
head thickly and coarsely punctured or granulated, flavo-rufous.
Thorax quadrate (with the anterior and posterior angles distinct and
subacute) ; sides marginate, slightly constricted towards the base,
subpubescent, flavo-rufous. Scutellum triangular, fuscous. Elytra
indistinctly but broadly punctate-striate, obsoletely pubescent; a
slight antemedial depression gives an appearance of prominence to
the shoulders ; fuscous. Antennas filiform, somewhat elongate ; the
first joint broad, and dilated near the apex ; the second short, ovate ;
the third, fourth, and fifth of nearly equal length, and thinner than
the basal or apical joints ; the first, second, and third flavous, the
rest fuscous. Legs slightly pubescent, flavous throughout.

Corcovado. Rio de Janeiro. I know only of one example of this
species, in the cabinet of Mr. Fry,

10. Physimerus inornatus.

P. oblongo-ovatus, subconvexus, parallelus, niger ; capite brevi,
punctato, rufo ; thorace transverso, ad basin leviter constricto
etiamque late depresso, punctato, ad basin flavo-pubescenti ; elytris
parallelis, punctato-striatis, subtiliter pubescentibus, nigris ; an-
tennis filiformibus, nigris ; pedibus flavis.

Long. corp. 2 lin., lat. f lin.

Oblong-ovate, parallel, subconvex, black, pubescent. Head short,
almost vertical ; eyes large, prominent, extending laterally as far as
the margin of the thorax ; between the eyes and above the insertion
of the antennae is an obscure obliquely- transverse depression ; surface
finely punctate, rufous. Thorax transverse (almost quadrate), slightly
constricted at the base ; the anterior angles are depressed, the sides
slightly marginate ; at the base is a broad transverse depression ; the
surface is very finely punctate, at the base flavo -pubescent, rufous.
Scutellum oblong, triangular, black. Elytra parallel, coarsely punctate-
striate, clothed throughout with very fine ashy pubescence, black.
Antennae filiform, black. Legs flavous throughout; the globular in-
flation of the posterior claw bright fulvous.

This species differs from P. minutus not only in its larger size, but
in the form and clothing of the thorax ; it is less constricted at the

PHYSIMERTJS. 79

base, and more distinctly pubescent : from other species it will be
readily distinguished by the distinct colour of its elytra.

From the district of the Amazon. In the collection of Mr. Bates.

11. Physimerus minutus.

P. oblongus, ovalis, depressus, parallelus, niger ; capite brevi, im-
punctato, rufo ; thorace brevi, transverso, ad basin constricto et
depresso ; elytris subcylindricis, punctate -striatis, pallide pubes-
centibus ; antennisjlliformibus, nigris ; pedibusflavis, posticorum
femorum apicibus fuscis.

Long. corp. If lin., lat. f lin.-

Oblong, oval, depressed, parallel, black. Head short, hardly pro-
duced; eyes large, prominent, extending beyond the line of the thorax;
between the eyes and above the base of the antennse is a depression
in the form of the letter T ; surface impunctate, rufous. Thorax
small, transverse, considerably constricted at the base ; the anterior
angles much depressed, and concealed below the outer margin of the
eyes ; the sides are slightly marginate ; at the base is a broad trans-
verse depression ; the surface is flavo-pubescent and rufous. Scutellum
triangular, black. Elytra broader than the thorax, subelongated,
parallel, coarsely punctate-striate, black, clothed throughout with fine
ashy pubescence. Antennae filiform, black. Legs flavous throughout ;
the tips of the posterior femora fuscous.

This species differs from P. luteicollis in its black elytra, by its
more transverse thorax, and by its smaller size ; from P. inornatus
by its impunctate head, by the fineness, as well as ashy (instead of
flavous) pubescence on the elytra, and also by its smaller size.

From the Amazon district.

12. Physimerus obscurus.

P. oblongo-ovatus, parallelus, subpubescens ; capite brevi, elongatulo,
inter oculos longitudinaliter foveolato, granulate, rufo ; thorace
elongate, subcylindrico, angulis anterioribus subacutis, ad latera
marginato, ad basin depresso et subcoarctato, granulato, rufo-
ferrugineo ; elytris punctis crebris in striis ordinatis, transverse
complanatis, nigris; antennisjiliformibus, art. 1-4 ferrugineis,
cceteris fuscis ; pedibus fuscis, tarsis tibiisque posticis ferrugineis.

Long. corp. 1|- lin., lat. |-J lin.

Oblong-ovate, parallel, subpubescent, black. Head short, slightly
elongated and compressed in front ; eyes large and prominent ; im-
mediately above the base of the antennae is a short abrupt longitudinal

80 PHTSIMEBT7S.

fovea ; the surface is granulated and rufous. Thorax elongated,
rectangular, subcylindrical ; the anterior angles depressed, the sides
marginate ; at the base is a transverse depression, giving a rounded
form to the anterior disc; the surface granulated and rufous. Scutellum
triangular, black. Elytra parallel, with broad and large punctures
arranged in the form of striae ; a slight oblique depression is ap-
parent antemedially near the suture ; the surface is obscurely and
finely pubescent, of a black or bluish -black colour. Antennae fili-
form, tolerably robust, the joints (the second is the shortest) being
nearly equal in length ; first to fourth ferrugineous, fifth to eleventh
fuscous. Legs fuscous ; the posterior tibiae and tarsi ferrugineous.

Morro Queimado (Brazil). In the collection of Mr. Fry.

13. Physimems fascicularis.

P. oblong o-ovatits, parallelus, glaber, niger ; capite subproducto,
ad basin antennarum transverse foveolato, punctulato, nigro (ad
basin fulvo) ; thorace transverse, lateribus ad angulos posteriores
et anteriores obsolete coarctatis, punctato, flavo, antice fuscato ;
elytris parallelis, punctis (ad apicem obsoletis) in striis ordinatis,
nigris, ad medium transverse vitta ferruginea fasciatis ; antennis

filiformibus, art. \-5flavis, 6-8 piceis, 9-11 testaceis ; pedibus

flavis.

Long. corp. 2 lin., lat. f lin.

Oblong-ovate, subelongated, parallel, glabrous, black. Head short,
depressed, slightly produced in front ; below the base of the antennas
is a broad triangular transverse depression ; immediately above the
antennae (between the eyes) is a transverse fovea, which is bisected
at its upper margin by a short longitudinal fovea, giving together
the appearance of the letter T inverted ; eyes large, prominent, ex-
tending laterally as far as the anterior angles of the thorax ; the
surface finely punctate, black, — the base (from the insertion of the
antennae to the line of the thorax) being fulvous, the margins behind
the eyes black. Thorax transverse, the anterior angles depressed
and subacute ; the sides marginate and (close to the anterior and
posterior angles) obsoletely coarctate ; surface punctate, especially at
the sides and base, flavous (suffused with fuscous along the line of
the apex). Scutellum triangular, ferrugineous. Elytra parallel, with
punctures (which are more obscure towards the suture and apex)
arranged in the form of striae, an appearance of striation being per-
ceptible towards the margination; im pubescent, black, divided medially
by a broad transverse ferrugineous band. Antennae filiform (with a
slight tendency to dilatation towards the apex) ; the first joint broad
and dilated at the apex, and of the same length as the fifth and sixth ;

PHYSIMEKUS. 81

the second short, ovate ; the third much longer than the fourth or
first ; the first to the fifth flavous (the first and second being suffused
with fermgineous) ; the sixth to the eighth piceous (the base of the
sixth being ferrugineous) ; the ninth to the eleventh testaceous.
Legs flavous, the terminal joint of the anterior tarsi (which is more
broadly bilobed than in the allied species) fuscous, and the apex (on
the outer side) of the posterior femora suffused with fuscous.

Petropolis (Organ Mountains, Kio Janeiro). In the collection of
Mr. Fry.

14. Physimerus trivialis.

P. oblong o-ovatus, parallelus, subpubescen$, ferrugineus ; capite
brevi, inter oculos transverse foveolato, punctate ; fhorace trans-
verso, rectilineari, subtiliter punctato ; elytris punctato-striatis ;
antennisjiliformibus, nigris ; pedibus nigris. ;•;

Long. corp. 1-J lin., lat. ^— J lin.

Oblong-ovate, somewhat depressed, subparallel, of a dull ferru-
gineous colour throughout. Head short, transverse, slightly depressed
in front ; eyes large, prominent, distant, their extreme lateral margin
extending as far as (or even slightly beyond) the sides of the thorax :
between the eyes is very faintly apparent a fovea in the shape of the
letter T ; this fovea is almost obsolete : the surface of the head di-
stinctly punctured. Thorax transverse (almost quadrate), rectangular,
rectilinear ; the anterior and posterior angles distinct and subacute ;
surface somewhat depressed, very finely punctate throughout, and
(under a high power) finely though sparingly pubescent. Scutellum
triangular. Elytra distinctly punctate-striate, subpubescent. An-
tennce filiform, with a distinct tendency to incrassation towards the
apex; the first joint dilated, and inflected outwards; the second
short, ovate ; the third and fourth of nearly equal length ; black.
Legs black.

I have only seen a single specimen of this insect, from St. Paul,
Brazil. In the cabinet of M. Deyrolle.

15. Physimerus juvencus. (TAB. III. fig. 3.) B.M.
Physimerus juvencus, Dej. Cat. (ed. 3) p. 407 (auct. Chevr. Coll.).

P. ( c? ) oblongus, subdepressus, robustus, subpubescens, niger ; capite
brevi, inter oculos transverse depresso, punctato, rufo-ferrugineo ;
thorace transverso, subtiliter pubescenti, punctato, flavo ; elytris
robustis, subcylindricis, punctato-striatis, nigris, vittis duabus a
humeris usque ad apicem albo-pubescentibus, hac ad suturam, hac
admarginem; antennisfiliformibus,ferruyineis,art. 4—Sfuscis;
pedibus flavis.

82 PHYSIMERUS.

Var. A ( c? ). Elytris fuscis vel cyaneo-fuscis, vitta ad suturam
flava.

Var. B (plerumque $ ). Elytris fere fulvis vel fiavo-fulvis, hand
ad suturam vel marginem vittatis.

Long. corp. 21 tin., lat. |— 1 tin.

Oblong, subdepressed, robust, somewhat pubescent, black. Head
short, transverse, deflected anteriorly, with a shallow transverse de-
pression extending from the insertion of the antennae to the upper
and inner margins of the eyes ; eyes slightly prominent, distant, ex-
tending laterally as far as the anterior angles of the thorax ; surface
of the head thickly and coarsely punctured, rufo-ferrugineous. Thorax
transverse ; the sides parallel and marginate : when viewed laterally,
the margin ation is deflected from the humeral angles to the outer
and posterior margin of the eyes ; at the base is a subobsolete fovea,
which is expanded on either side into a more distinct and broader
depression : surface of the thorax clothed with very fine pubescence
(invisible except under a high power of the microscope), thickly but
finely punctured, flavous. Scutellum triangular, apparently clothed
with very fine cinereous pubescence. Elytra robust, subcylindrical,
punctate-striate, black, with a metallic tinge (in certain tights) of
blue : on either side of the suture, from the scutellum (where they
are confluent), are two regular longitudinal bands, separated from
the suture by a single stria, slightly increasing in breadth towards
the centre, and terminating in a point (at a greater distance from
the suture) near to the apex ; these bands are formed by a fine thick
velvet pubescence of pale cinereous colour, the surface of the elytra
below the pubescence being more or less distinctly luteous : from the
humeral angle, parallel to, but not approaching the margin, is another,
more obsolete band of pubescence, which reaches to, and clothes the
whole of, the extreme apex of the elytra ; this pubescence is of the
same colour as that of the sutural band, but on a bright black instead
of a luteous ground. Antennae, filiform, sufficiently robust, ferru-
gineous, with the fourth to the eighth joints fuscous ; the first joint
elongated, inflected outwards, and dilated towards its apex; the
second short, ovate ; the third and fourth of nearly equal length,
the latter being rather longer than the first. Legs flavous, with the
bladder-like inflation on the posterior claw bright red.

The above description is taken from a male specimen (the third
and fourth joints of the antennas being distinctly more elongated as
well as attenuated than in other examples). The species is evidently
subject to great variation in colour : other examples of males have the
elytra much less decidedly black, with the sutural band of pubescence

PHYSJMERTTS. 83

flavous instead of ashy-grey ; the females (for the most part) have
the elytra entirely flavous, with very faint traces, if any, of longitu-
dinal bands of pubescence.

Amazon Eiver ; Ega. Taken by Mr. Bates. In the collection of
the British Museum and other cabinets.

16. Physimerus ephippium. (TAB. III. fig. 4.) B.M.

P. ovalis, elongatus, ferrugineus, impubescens ; capite brevi, inter
oculos transverse et oblique foveolato, punctate, glabro ; ihorace
quadrato, ad basin coarctato et transverse obsolete depresso, punc-
tato, subtiliter pubescenti, ferrugineo ; elytris latis, punctato-
striatis, fuscis, ad humeros macula undique pallide ferruginea,
elytrorum etiam apice pallide ferrugineo ; antennis Jiliformibus,
fulvis; pedibus flavis.

c? Long. corp. 2| lin., lat. 1^ lin.
$ Long. corp. 2 lin., lat. 1 lin.

Oval, elongate, slightly depressed, ferrugineous, shining. Head
short, transverse; eyes subprominent, distant, extending laterally
beyond the line of the anterior margin of the thorax : between the
eyes is a transverse fovea, the terminations of which are obliquely
inclined to the upper and inner margins of the eyes ; this fovea is
medially connected with the space between the insertion of the
antennae by a distinct longitudinal channel : the surface of the head
is sparingly punctured throughout and glabrous. Thorax quadrate
(almost elongate), at the base coarctate; the anterior angles de-
pressed and subacute ; the sides subsinuate, constricted at the base
and finely marginate ; a broad and shallow transverse postmedial
depression gives prominence to the anterior surface; the surface
punctate throughout, subpubescent, ferrugineous. Elytra distinctly
broader than the thorax, somewhat depressed, punctate-striate, fus-
cous, shining ; two large and somewhat irregularly-defined circular
spots of a pale ferrugineous colour are situated antemedially, sepa-
rated by the distance of two striae from the suture, extending late-
rally to the margin, and reaching obliquely to the humeral angle ;
the apex also of the elytra is broadly ferrugineous. Antennce fili-
form, fulvous. Legs flavous throughout.

From the Amazon district. Taken by Mr. Bates.

17. Physimerus suboculatus.

P. oblongo-ovatus, subelongatus, rufo-fuscus ; capite brevi, inter
oculos Y foveolato ; ihorace quadrato, ad basin constricto et trans-

G2

84 PHYSIMERT7S.

verse depresso, punctato ; elytris punctato -striatis, fusco semidr-
culariter notatis ; antennis ruf o -flams ; pedibus flavis.

Long. corp. 2J lin., lat. 1 lin.

Oblong-ovate, subelongate, subparallel, rufo-fuscous. Head short,
depressed, hardly produced ; between the labrum and the base of the
antennae a smooth subtriangular depression extends transversely ;
above the base of the antennae, between the eyes, is a medial longi-
tudinal fovea, which, at its upper extremity, extends obliquely to-
wards the upper and inner margins of the eyes, thus forming the
character of the letter Y ; eyes large, prominent, situated at the base
of the head, and extending laterally as far as the anterior angles of
the thorax; the surface very finely punctate, glabrous. Thorax
quadrate, considerably constricted towards the base; the anterior
angles depressed ; the sides marginate ; the base broadly and trans-
versely depressed; the surface sparingly and finely punctate, gla-
brous. Scutellum small, triangular, rufo-fuscous. Elytra consider-
ably broader than the thorax, subparallel, punctate-striate, the striae
becoming almost obsolete as they approach the apex, clothed through-
out (when viewed under a high power) with a fine and sparingly
distributed pubescence ; the colour rufo-fuscous, with a distinct
subcircular marking of darker fuscous, which, commencing at the
antemedial margination, extends laterally in the direction of the
suture, whence it approaches in a semicircular direction, but does
not reach, the humeral angle ; the extremity of the humeral angle is
also suffused with fuscous. Antennae filiform, rufo-flavous. Legs
flavous throughout.

This insect in general appearance closely approaches P. ephippium ;
in form, however, as well as in pattern of colour it is abundantly
distinct.

Para. In the collection of M. Chevrolat.

18. Physimerus adumbratus. B.M.

P. ovatus, latus, subdepressus, rufo-ferrugineus, nitidus; capite brevi,
punctato ; ihorace subelongato, prope basin coarctato ; elytris
latis, punctato-striatis, fusco- ferruyineis, fasciis duabus trans-
versis latis flavo-ferrugineis indistinctis ; antennis pedibusque
flavis.

Long. corp. 1| lin., lat. 1 lin.

Ovate, broad, slightly depressed, rufo-ferrugineous throughout.
Head short, transverse, shining, distinctly punctate ; eyes prominent
and distant ; between the eyes is a transverse depression, which is

PHYSIMERTJS. 85

inflected upwards towards its extremities along the upper and inner
margins of the eyes. Thorax quadrate ; the anterior angles distinct
and slightly prominent ; the sides submarginate, postmedially coarc-
tate, the basal angles being subacute; the surface sparingly punctured;
a broad basal depression (somewhat more thickly punctured than the
rest of the thorax) is coextensive with the lateral constriction ; im-
pubescent, rufo-ferrugineous, with a medial longitudinal fuscous spot
at the base. Scutellum triangular, rufo-ferrugineous. Elytra broad,
somewhat depressed, punctate- striate, shining, with a slight ante-
medial transverse depression extending obliquely upwards towards
the shoulders ; fusco-ferrugineous ; a broad and indeterminate fascia,
of somewhat paler colour, extends from the shoulders obliquely to
the antemedial suture, from which it is separated by the distance of
a single stria ; the whole of the apical half of the elytra is also, more
or less distinctly pale ferrugineous, adumbrated, however, by a trans-
verse and indeterminate shading of darker colour. Antennae filiform ;
the first joint long, and dilated towards the apex ; the second short,
ovate ; third, fourth, and fifth of nearly equal length ; fulvous. Leys
pale testaceous throughout, with the bladder-like inflation of the
posterior terminal claw bright ferrugineous.

At first sight, this species appears to be a small variety of P.
ephi^ppium ; after much examination, however, I have resolved to
register it, provisionally at least, as a distinct species. Not only is
the insect considerably smaller, but its markings do not correspond
to those in P. epliippium ; and the posterior femora and tarsi are
more elongate. In that species there is no trace of any other fulvous
marking besides the two humeral spots, and at the apex of the elytra
these are distinct, and well-defined upon a black ground ; in P. ad-
umbratus, however (not to notice the variation in colour), the fulvous
colouring at the apex extends nearly halfway up the elytra, and is
itself divided transversely by an irregularly-defined ferrugineous
marking. The great difference also in the size of the insects (in a
group which seems hardly ever to admit of any variation in size
among the examples of a species), together with the somewhat more
elongated posterior femora and tibiaB, strongly support the conclusion
that the two insects are specifically distinct.

Amazon district, Villa Nova. Collected by Mr. Bates.

19. Physimerus brevicollis.

P. ovatus, latus, depressus, subtiliterpubescens,rufo-fuscus; capite
breviy depresso ; tlwrace transverso, ad medium constricto, punc-
tato, rufo-flavo, ad medium rufo-fusco ; elytris latis, punctato-

86 PHYSIMERTJS.

striatis, fuscis, ad basin, ad medium transverse, et ad apicem
rufis; antennisfliformibus,jiavis; pedibus testaceis.

Long. corp. 2 lin., lat. 1 lin.

Ovate, broad, depressed, very finely pubescent, rufo-fuscous. Head
short, depressed, hardly produced ; eyes large, prominent, situated at
the back of the head : antennae approximate ; above their insertion
are two small tubercles, while immediately above these (extending
to the base) is a medial longitudinal ridge ; surface punctate, rufous,
the medial ridge being rufo-piceous. Thorax transverse (not, as in
P. adumbratus, quadrate), slightly constricted in the middle ; the an-
terior angles depressed and subacute ; the sides marginate ; surface
finely punctate, obsoletely pubescent, and rufo-flavous, — the margi-
nation, and a medial longitudinal line, being rufo-fuscous. Scutel-
lum small, triangular, fuscous. Elytra broader than the thorax,
punctate-striate (the striae being almost obsolete, and the punctures
large and deep), indistinctly clothed with ashy pubescence, fuscous,
— the base of the elytra (from the humeral angle to the scutellum),
a medial, broad, indeterminate fascia (which does not reach the
suture), and the apex of the elytra, being rufous. Antennae filiform,
robust, flavous, with the fifth and sixth joints rufo-flavous. Legs

testaceous throughout.

gt
This species, in its general facies and in the disposition of its

markings, almost entirely resembles P. adumbratus ; it may be, how-
ever, without hesitation, separated from it by the medial longitudinal
ridge on the head, and by its transverse (not quadrate and con-
stricted) thorax.

The Amazon district. Taken by Mr. Bates.

20. Physimerus angulo-fasciatus.

P. oblongo-ovatus, latus, depressus, subpubescens, rufo-ferrugineus ;
capite brevi, subproducto, ad basin longitudinaliter carinato,
punctato, flavo-rufo ; thorace transverse, punctato, flavo-rufo ;
elytris sat latis, punctato-striatis, transverse et oblique bivittatis ;
antennis filiformibus, rufo-flavis ; pedibus flavis.

Long. corp. 2 lin., lat. 1 lin.

Oblong-ovate, broad, depressed, subpubescent, rufo-ferrugineous.
Head short, somewhat produced in front, vertical (slightly reflected
backwards) ; eyes large, prominent, black, extending laterally as far
as the line of the thorax ; between the eyes, and above the insertion
of the antennas, is a minute Y-shaped depression, while above it (ex-
tending as far as the base of the head) is an obsolete medial longitu-
dinal carination ; the surface finely punctate, flavo-rufous. Thorax

PHYSIMEKTJS. 87

transverse, rectilinear, at the base slightly constricted and transversely
depressed ; the anterior angles subacute ; the surface finely flavo-
pubescent, punctate, flavo-rufous. Scutellum triangular, fuscous.
Elytra much broader than the thorax, depressed, punctate-striate
(the punctures being broad and shallow, and the striae almost ob-
solete: at the apex the punctures are obsolete); the surface rufo-
flavous, clothed throughout (more or less) with a fine ashy pubescence :
two transverse bands of a rufo-piceous colour (the one at the hume-
ral angle, and the other medially) extend from the margins to about
the fifth stria, where they are obliquely inflected (in the direction of
the apex) to the suture ; these angulated fasciae are broader and
more prominent in some examples than in others ; in all they are
well-defined. Antennae filiform, sufficiently robust, flavous, the first,
and also the sixth and seventh joints being rufo-fuscous. Legs fjavo-
testaceous throughout.

From the district of the Amazon. In the collection of Mr. Bates
and the Rev. H. Clark.

Besides the differences in colouring and marking (which appear to
be tolerably constant) between this and other allied species, struc-
tural differences are apparent : in P. angulo-fasciatus the base of the
thorax is more constricted than in P. brevicollis, and the surface of the
thorax is more equate than in P. bituberculatus ; in the sculpturing
of the head, also, important differences may be traced.

21. Physimerus bituberculatus.

P. oblongo-ovatus, latus, depressus, subpubescens, flavo-rufus ; ca-
pite brevi, ad basin longitudinaliter carinato, punctato ; ihorace
transverse, rectangulari, ad basin depresso, antice elevate, rufo-
fusco, antice et ad latera rufo ; elytris latis, depressis, punctato-
striatis, rufo-fuscis, ad Tiumeros,etjuxta apicem transverse rufo-
flavis ; antennis filiformibus, flams ; pedibus flavis, femoribus
posticis fusco suffusis.

Long. corp. 2 lin., lat. 1 lin.

Oblong-ovate, broad, depressed, subpubescent, flavo-rufous. Head
short, transverse, slightly depressed, hardly produced; eyes large
and prominent; between the eyes, and above the insertion of the
antennae, is a small T-shaped depression, while above it, extending
to the base of the head, is a longitudinal carination ; surface finely
punctate. Thorax transverse, rectangular ; the anterior angles de-
pressed ; this depression extends in an oblique direction to the mid-
base, giving a prominence to the anterior part of the thorax, which
divides itself (very distinctly by colour, and also, less distinctly, by

88 PHYSIMERTJS.

form) into two slightly elevated tubercles ; surface punctate, rufo-
fuscous, — the raised anterior surface and the sides being rufous.
Scutellum triangular, fuscous. Elytra broader than the thorax, de-
pressed, punctate-striate, subpubescent, rufo-fuscous, — the shoulders
(from the humeral angle to the scutellum), and also a broad, suffused,
transverse band (near to the apex), being rufo-flavous. Antennce
filiform, tolerably long, flavous, with the sixth and eleventh joints
fuscous. Legs flavous, the posterior femora being pubescent, and
suffused with dark fuscous ; the inflation of the terminal claw bright
r ufo -f errugineous .

This species may be separated from those nearly allied to it (all of
which, at first sight, closely resemble one another) by the form of,
and the markings on, the surface of the thorax.

From the Amazon district. Taken by Mr. Bates.

22. Physimerus bilineatus. (TAB. III. fig. 5.)

P. oblongo-ovatus, subparallelus,pubescens,punctato-striatus, nigro-
fuscus ; capite brevi (ad basin antennarum leviter producto}, gra-
nulato, nigro ; tliorace quadrato, angulis anticis subtruncatis, ad
basin constricto et transverse depresso, subtiliter pubescenti, fusco,
ad lateraflavo ; elytris subcylindricis,puncfato-striatis, pubescen-
tibus, nigris, lineis duabus fusco-pubescentibus ; antennis Jili-
formibus, tenuibus, fuscis, art. 4 et 8-1 0 testaceis ; pedibus pal-
lide testaceis, tarsis anterioribus rufo -testaceis, femorumque posti-
corum basibus fuscis.

Long. corp. 2 lin., lat. -J-1 lin.

Oblong-ovate, subparallel, pubescent, darkly fuscous. Head short,
abruptly depressed and slightly produced : between the labrum and
the base of the antennae is a triangular glabrous plane, which is bi-
sected by a medial longitudinal carination ; the base of the antenna?
is situated immediately on the angle of abrupt deflection, giving it
the appearance, when viewed laterally, of a Loxoprosopus : eyes large,
situated at the base of the head, extending laterally beyond the
anterior angles of the thorax ; the surface above the base of the an-
tennaB finely granulated ; the colour of the labrum rufo-flavous, of the
head black. Thorax quadrate ; the anterior angles subtruncate ; the
sides marginate, and slightly constricted towards the base : a broad
transverse depression (which is well-defined and abrupt at its upper
margin) extends along the line of the base ; this depression is most
narrow medially, becoming slightly broader as it approaches the
margination: the surface subdepressed, very finely pubescent, fus-
cous, with a broad lateral margination of flavous. Scutellum small,
triangular, fuscous. Elytra subcylindrical, punctate-striate, finely

PHYSIMERTJS. 89

pubescent, black : a line of fuscous pubescence extends longitudinally
between the first and the third striae, gradually diverging from the
suture, and extending laterally at the apex ; between the fourth and
seventh striae is another longitudinal line, more distinctly flavous,
which extends (near the shoulders) as far as the margination, and
terminates before it arrives at the base : antennae filiform, long and
slender ; joints one to three and five to seven piceous, four, and eight
to ten pale testaceous, the eleventh fuscous. Legs pale testaceous ;
the anterior tarsi (and base of the tibiae) rufo-testaceous ; the base
of the posterior femora is fuscous, and the globular inflation above the
posterior claw bright rufous.

Tunantius, in the district of the River Amazon. In the collection
of Mr. Bates.

23. Physimerus Batesii. (TAB. III. fig. 6.)

P. oblongo-ovatus, latus, robustus, subparallelus, subpubescens, ni-
gro-ferrugineus ; thorace quadrato, ad basin constricto et trans-
verse depresso, linea media longitudinali picea ; scutello triangu-
lari, fusco; elytris robustis, subcylindricis ; antennis Jiliformi-
bus, rufo-flavis ; pedibus flavis, posticis rufo- et piceo-suffusis.

Long. corp. 1| lin., lat. J lin.

Oblong-ovate, broad, robust, subparallel, subpubescent, dark fer-
rugineous. Head short, transverse, slightly produced; above the
labrum transversely and obliquely canaliculated ; antenna3 at their
insertion approximate ; eyes large and prominent ; the surface thickly
punctate, rufo-ferrugineous. Thorax quadrate, considerably con-
stricted at the base ; the anterior angles subtruncate ; the surface at
the base broadly and transversely depressed, finely pubescent through-
out ; rufo-ferrugineous, with a medial longitudinal line of piceous.
Scutellum triangular, fuscous. Elytra robust, subcylindrical, punc-
tate-striate, transversely and obliquely depressed from the ante-
medial suture towards the shoulders ; finely pubescent throughout.
Antennce filiform, fine, rufo -flavous. Legs : the anterior flavous ; the
posterior rufo-flavous, suffused with piceous.

Yar. A. Surface throughout dark flavous instead of ferrugineous.

Amazon district (Santarem and Obydos). In the collection of
Mr. Bates and the Rev. H. Clark.

24. Physimerus irroratus. (TAB. III. fig. 7.)

P. oblongo-ovatus, latus, robustus, subparallelus, subpubescens, fusco -
ferrugineus ; thorace transverso (subquadrato) ; elytris latis,
punctato-striatis, mavulis qiiatuor obscurissime notatis ; antennis

90 PHY8IMEBT78.

longiusculis, tenuiter dilatatis, art. 1-5 ferrugineis, 6-8 piceis,
9-11 testaceis ; pedibus flavis, femoribus posticis rufo-ferru-
gineis.
Long. corp. If lin., lat. 1 lin.

Oblong-ovate, broad, robust, subparallel, fusco-ferrugineous, finely
pubescent. Head short, transverse, depressed, slightly elongate ;
above the labrum is a transverse plane depression ; above the inser-
tion of the antennae is an obsolete medial carination ; eyes situated
at the base of the head, not extending laterally so far as the ante-
rior angles of the thorax ; the surface finely and thickly punctate ;
near the inner margin of the eyes flavo-pubescent. Thorax trans-
verse (almost quadrate) ; the anterior angles subtnmcate ; the sides
marginate, and slightly constricted at the base ; the surface thickly
clothed with a fine ashy pubescence. ScuteUum triangular. Elytra
broad, robust, punctate-striate, antemedially very slightly trans-
versely depressed, clothed throughout with a fine ashy pubescence ;
postmedially are two circular obscure spots between the third and
the sixth striae, and two others, nearer to the base (smaller and less
distinct, between the first and third striae), which are formed by the
absence of this ashy pubescence. Antennae filiform, slightly dilated
towards the apex; joints one to five ferrugineous (the first being
suffused with fuscous), six to eight piceous, nine to eleven testaceous.
Legs : the anterior flavous ; the posterior femora rufo-ferrugineous,
and the tibiae rufous.

Ega (district of the Amazon). In the collection of Mr. Bates.

25. Physimerus nebnlosus.

P. oblongo-ovatus, latus, parallelus, subpubescens, piceus ; capite
brevi, rufo-ferrugineo ; thorace quadrato, ad basin constricto et
transverse depresso, ad latera rufo-flavo ; elytris latis, punctato-
striatis, vitta antemedia transversa cinereo-pubescenti, ad latera
et ad suturam ampliori ; antennis subdilatatis, art. 1-5 flavis,
6-11 rufo-flavls ; pedibus rufo-flavis.

Long. corp. 1^ lin., lat. f lin.

Oblong-ovate, broad, robust, parallel, very finely pubescent, piceous.
Head very short, depressed, not elongated at the apex ; eyes tolerably
large, prominent, situated at the base of the head, extending laterally
as far as the anterior angles of the thorax; surface at the inner
margin of the eyes flavo-pubescent, thickly punctate, rufo-ferru-
gineous. Thorax quadrate; the anterior angles subacute and de-
pressed, the sides submarginate and considerably constricted towards
the base ; a broad postmedial depression extends along the line of

PHYSIMERTJS. 91

the base ; at the sides finely flavo-pubescent and rufo-flavous (more
darkly piceous on the line of margination). Scutellum small, tri-
angular. Elytra broad, punctate-striate, clothed throughout with a
very fine pubescence (which in some parts can only be traced under
a high magnifying power) : a broad irregular antemedial band extends
transversely from the suture to the margination ; near the suture,
and also near the line of margination, it considerably increases in
breadth (extending in front at these points nearly to the shoulders
and scutellum) ; this band is formed by an ashy-grey pubescence ;
the apex also is similarly clothed with pubescence. Antennae filiform,
tolerably long, subdilated towards their apex; joints one to five
flavous, six to eleven rufo-flavous. Legs : the anterior flavous ; the
posterior rufous, the femora being suffused with piceous.

From the neighbourhood of Bio Janeiro. Collected by Mr. Squire.
In the collection of Mr. Baly.

26. Physimerus pruinosus.

P. oblongo-ovatus, subparallelus, fuscus ; ca/pite brevi, subproducto ;
thorace elongato, rectangulari, ad basin constricto, ad latera de-
presso ; elytris punctato-striatis, ante medium oblique depressis,
ad latera irregulariter cinereo lineatis ; antennis longiusculis,
subincrassatis, art. 1, 2, 6-8 dilatatis et fuscis, 3-5 et 9-11 rufo-
flavis ; pedibus rufo-fuscis.

Long. corp. 2 lin., lat. J lin.

Oblong- ovate, subparallel, punctate-striate, impubescent, dark
fuscous. Head short, slightly produced; below the base of the
antennae is a transverse triangular depression : eyes large, situated
at the base of the head, and extending laterally as far as the anterior
angle of the thorax ; between the eyes, and immediately above the
base of the antennae, is a Y-shaped depression, rendered more di-
stinct by an ashy-grey pubescence : the surface finely punctate ; at the
inner margin of the eyes is a line of fine grey pubescence. Thorax?
elongate, constricted at the base, rectangular ; the anterior angles
depressed ; the sides marginate ; at the base is a broad transverse
antemedial depression ; the surface (under a high magnifying power)
is obsoletely pubescent, more distinctly at the sides, which are marked
(from the base of the head immediately behind the eyes to the
posterior angle) with a longitudinal line of ashy-grey pubescence.
Scutellum small, triangular, glabrous. Elytra broad, sub cylindrical,
distinctly punctate-striate ; an antemedial depression extends ob-
liquely upwards towards the humeral angles ; throughout the surface
are scattered several long and isolated single hairs, which are more

92 PHYSIMERTJS.

frequent on the sides and at the base ; near to the line of margina-
tion (at the sixth and seventh striae) is an irregular line of pale
pubescence from the shoulder to the apex ; medially, also, between
the second and third striae is a minute longitudinal marking of the
same colour. Antennae filiform, slightly dilated ; the joints 1, 2 and
6 to 8 subdilated and darkly fuscous, 3 to 5 elongate and rufo-ferru-
gineous, 9 to 11 flavous. Legs rufo-fuscous, the posterior femora being
suffused with piceous, and the globular inflation over the apical claw
bright rufous.

Colombia. In the collection of Mr. Baly.

27. Physimerus griseostriatus.

P. oblongo-ovatus, fuscus; capitesubproducto, leviter reflecto-punc-
tato, nigro ; thorace quadrato, antice subrotundato , ad basin trans-
verse depresso,pubescenti,flavo, ad medium longitudinaliter fusco ;
elytris subparallelis, punctato-striatis, pube admodum brevi ves-
titis, ad latera flavo-vittatis ; antennis jiliformibus, art. 1—3
fusco suffusis, 4 testaceo, 5-8fuscis, 9-11 testaceis; pedibusflav is,
femoribus posticis ad basin fusco suffusis.

Long. corp. 1-J lin., lat. |— 1 lin.

Oblong-ovate, subparallel, deeply punctate- striate, pubescent,
fuscous. Head short, transverse, somewhat produced in front ; eyes
large, prominent, situated at the base of the head, and extending
laterally beyond the angles of the thorax ; the antennae are inserted
between the eyes, and (as in Looooprosopus] immediately upon the
angle (which is somewhat abrupt) that is formed by the depression
of the anterior part of the head ; surface thickly punctate, black.
Thorax quadrate, with the anterior angles depressed and obsolete ;
the sides submarginate and slightly contracted at the base, which is
transversely and postmedially depressed ; the surface subpubescent
throughout, flavous, with a medial longitudinal marking (broad and
suffused) of flavo -fuscous. Scutellum minute, triangular, fuscous.
Elytra broad, subparallel, punctate-striate, clothed throughout (as is
apparent under a high magnifying power) with a fine pubescence,
but more distinctly so at the margin : a broad band of flavous
pubescence is continued along the line of margination from the
shoulders to the apex ; this band is irregular and (apparently) un-
certain in form : colour fuscous. Antennae tolerably long, filiform ;
the first three joints suffused with fuscous ; the fourth testaceous ;
the fifth to eighth dark fuscous ; the ninth to eleventh pale testaceous.
Legs flavous throughout, the apex of the femora being suffused with
fuscous.

This species, in form and markings, is not unlike P.pruinosus ; it

GLENIDION. 93

may, however, be readily distinguished by its more transverse and more
pubescent thorax, as well as by the less deep striation of the head.

From the neighbourhood of Ega (Kiver Amazon). Taken by Mr.
Bates.

Genus 11. GLENIDION*.

LABRTJM breve, subcirculare.

PALPI MAXILLARES elongati, robusti, art. 2do et 3tio ad apicem oblique

truncatis, apicali attenuate, conico.

PALPI LABIALES elongati, minuti, attenuati, subcylindrici.
AxTEWMjiliformes (?), art. 3tio et 4to ceque ac 2nd0 brevibus, &° et &°

longioribus, attenuatis (reliqui desunt).

CAPTJT breve, productum, vix depressum.

THOKAX transversus, rectilinear is, ad basin leviter constrictus, ad lalera
marginatus.

SCTJTELLUM minutissimum.

ELYTRA parallela, elongata, subdepressa, glabra.

PEDES : tarsi anterior es attenuati, vix dilatati, femora postica elongata ;
tibia? etiam elongatce et longitudinaliter (ad apicem) excavated;
tarsi, art. basalis productus et sat attenuatus (art. reliqui desunt).

Elongate, subparallel, depressed.

Labrum short, narrower than the base of the head, subcircular.

Maxillary palpi elongate ; the basal joint minute, almost quadrate;
the second longer, obliquely truncate at the apex ; the penultimate
somewhat broader, more cylindrical, and also obliquely truncate at
the apex ; the terminal joint elongate and conical.

Labial palpi elongate, minute.

Antenna? approximate, inserted between the lower margins of the
eyes, probably filiform; the basal joint elongate, dilated, and sub-
incurved towards the apex ; the second shorter, somewhat narrower,
ovate ; the third as short as the second, and narrow ; the fourth and
fifth elongate, longer than the basal joint ; the rest are wanting in
the example before me.

Eyes lateral, large, subglobose, situated at some distance from the
base of the head, and extending laterally as far as the anterior angles
of the thorax.

Head short, transverse, not so much depressed from the plane of
the thorax as the preceding genus, Physimerus ; somewhat porrect.

Thorax transverse (almostquadrate),rectilinear,slightly constricted
towards the base ; the anterior margin is obsoletely emarginate ; the
anterior angles depressed, the sides evenly marginate ; the base

* y\r}vij, longurio.

94 GLENIDION.

transversely foveolated in O. rubronotatum ; the surface equate, sub-
cylindrical.

Scutellum almost obsolete, much more minute than in Physimerus,
depressed below the plane of the elytra, triangular.

Elytra broader than the thorax, elongated, subparallel, depressed,
glabrous ; in G. rubronotatum punctate.

Legs : the anterior femora when viewed from the front robust, sub-
dilated medially. The tibiae elongate, at the base inflected, and gra-
dually subdilated ; the apex is obliquely truncate, and armed (beyond
the insertion of the tarsus) with a robust incurved spur. The tarsi
are elongated, almost attenuate, narrower than the base of the tibia ;
the basal joint is long, slightly dilated towards the apex ; the second
is of the same form, but shorter ; the third is ovate, shorter than the
second, not bilobed ; the terminal joint is produced, and gradually
thickened towards the apex, where it terminates in a bifid claw, the
inner surface of which is armed at the base with a robust spur.
Posterior femora incrassated and produced, regularly ovate, reaching
nearly to the apex of the elytra. The tibiae also are elongate, at the
immediate base inflected, and gradually thickened towards the apex ;
when viewed obliquely from behind, the posterior surface is longitu-
dinally flattened and postmedially hollowed out, gradually increasing
in depth of concavity, until at the apex it forms a socket for the
reception of the tarsus ; the margination of this elongated channel is
subsinuate near the apex and more broadly developed ; towards the
insertion of the tarsus it is armed with a series of comb -like spurs,
close and porrect ; the extreme apex terminates in a robust and short
single spur. The tarsus is unfortunately, in the only example I have
before me, mutilated ; the basal joint is very elongate, and slightly
thickened towards the apex.

Owing to the unfortunate mutilation of the posterior tarsus in the
specimen of Gf. rubronotatum, I am not able to assure myself, by
actual inspection, of the presence of the inflation above the terminal
claw, and hence of the propriety of introducing it into this section of
Halticidse. I am well satisfied, however, from the previous exami-
nation of the example by Mr. Baly when in his possession, that it
belongs to this group ; this being the case, its aflinities are evidently
more with Physimerus than with other forms. Its general facies is
almost identical, were it not for its produced posterior femora and
tibiae. The necessity of separating it, however, from this genus is
abundantly manifest ; the striking peculiarity of the third abbreviated
joint of the antennae, combined with the elongated postical femora
and elongated and grooved postical tarsi, is sufficient to constitute it
the basis of a separate genus.

HYPANTHERTJS. 95

1. Glenidion rubronotatum.

G. oblongo-ovale, parallelum, depressum, nitidum, nigrum; capite
brevi, subproducto, fovea incisa inter oculos, impunctato, rufo-
ferrugineo, Icevi ; thorace quadrate, ad latera etpostice marginato,
ad basin constricto et transverse foveolato, impunctato, rufo-ferru-
gineo ; elytris depressis, punctis velut in striis ordinatis, nigris,
apud medium et ad apicem (juxta suturam) litura ferruginea
umbratis; antennisjiliformibus, art. 2-4 abbreviatis, 5 et 6 elon-
gatis, l-3ferrugineis, 4-6 fuscis (reliqui desunt) ; pedibusjlavis,
femoribus posticis fuscatis, tibiisque elongatis.

Long. corp. 2^ lin., lat. 1 lin.

Oblong-oval, parallel, depressed, black, shining. Head short,
transverse, depressed, hardly elongate in front, impunctate ; eyes
large, subprominent, distant ; between the eyes and above the .in-
sertion of the antennae, which are contiguous, are two small abrupt
transverse foveae, while above them a third (broader and more di-
stinct) extends upwards in a longitudinal direction. Thorax qua-
drate ; sides marginate, slightly constricted towards the base ; the
anterior angles are subacute; close to the basal line is a narrow
transverse groove (which does not terminate, as in the genus Mono-
platus, before it reaches the humeral angle, but which extends along
the whole of the basal line, and connects itself with the lateral
margjnation) ; surface impunctate, rufo-ferrugineous. ScuteUum tri-
angular, minute, Mvo-rufous. Elytra depressed, parallel, with rows
of punctures arranged in the form of striae (the striae being obscurely
apparent near the shoulders and at the margination) ; the colour is
black, on either side of the suture, postmedially, and especially to-
wards the base, irregularly shaded off into rufo-ferrugineous, this
decoloration around the postmedial suture being indeterminate and
irregularly denned. Antennce filiform; the first joint dilated and
subelongated ; the second short, ovate ; both of these fulvous ; the
third attenuate, abbreviated, hardly longer than the second ; the fourth
and fifth elongate (the rest are wanting) ; colour fusco-fulvous. Legs :
the posterior elongated, flavous, with the apex of the posterior femora
and tibiae clothed with fuscous.

Brazil. In the collection of Mr. Baly.

Genus 12. HYPANTHERUS*.

PALPI MAXILLARES elongati, art. 3tio producto et cylindrico.
PALPI LABIALES elongati, attenuati.

lus minus dilatatce, robustce, approodmatce.
* VTTO, sub; dvOijpbs, coloratus.

96 HYPANTHERUS.

OCULI distantes, ad basin capitis, subglobosi.

CAPTJT breve, robustum, via: ad apicem productum, depression.

THORAX transversus, aliquando subquadratus, depressus.

ELYTRA lata, robusta, plerumque punctato-striata et leviterpube vestita.

PEDES : ant. tibiis ad basin incurvatis, ad apicem dilatatis et oblique
truncatis ; ant. tar sis brevibus, art. 2nd" minuto ; femoribus pos-*
ticis valde incrassatis ; tibiis longitudinaliter marginatis, et ante
apicem eealcaratis.

Labrum transverse, subrotundate at the margins.

Maxillary palpi (Tab. IY. fig. 1 m) subelongate ; the basal joint
minute ; the second ovate, and broadly truncate at the apex ; the
third longer and broader than the second, and subcylindrical ; the
apical joint is broadly conical.

Labial palpi (Tab. IY. fig. 1 n) subelongate, narrower than, but of
the same form as, the maxillary.

Antennce robust, approximate, inserted below and somewhat be-
tween the lower margins of the eyes, more or less dilated medially ;
the first joint is incrassated, and slightly incurved outwards towards
the apex ; the second short and broad ; the third and fourth are sub-
equal, longer and narrower than the first ; the fifth is shorter than
the fourth ; the sixth to the eighth are shorter and generally more
robust ; the ninth to the eleventh are gradually attenuated towards
the extremity.

Eyes tolerably large, situated at some little distance from the base
of the head and not extending laterally so far as the anterior angles
of the thorax.

Head short, robust, narrower than the thorax, hardly elongated in
front, depressed at almost right angles to the plane of the elytra.

Thorax transverse (in some species almost quadrate), broader than
the head, rectangular ; the sides marginate, narrower relatively than
in Thrasygceus, Eupeges, and even Phylactwus ; the anterior angles are
more or less depressed, — its whole surface being inclined at a very
apparent angle to the plane of the elytra.

Scutellum triangular, impunctate, generally impubescent.

Elytra robust, more manifestly broader than the thorax than in
the subsequent genera, punctate-striate, generally clothed with
pubescence, and depressed antemedially and obliquely, so as to give
an appearance of prominence to the scutellary surface.

Legs: the anterior femora tolerably robust and subcylindrical,
slightly incurved near the apex. The tibia (Tab. IV. fig. 1 c) is
abruptly incurved immediately at the base and gradually dilated
towards the apex, where it is broadly obliquely truncate. The tarsi

HYPANTHERT7S. 97

(Tab. IV. fig. 1 d) are short and broad, the basal joint being broadly
ovate ; the second of the same form as the basal joint, but more
minute ; the third broader than the first, broadly ovate, not bi-
lobed ; these three basal joints are densely margined with thick rigid
pubescence ; from the centre of the third proceeds the base of the
terminal joint, which is attenuated and gradually incrassated, ter-
minated by the apical claw, the two members of which are simple,
and unarmed at their inner margin by any basal tooth. The posterior
femora are very robust, and incrassated, slightly attenuated towards
the apex, broadly truncate. The tibia (Tab. IV. fig. 1 g} is short
and robust, abruptly bent at the immediate base, and, when viewed
from behind, longitudinally flattened ; this flat longitudinal surface is
on either side niarginate ; the marginations are produced immediately
above the insertion of the tarsus into an obtuse spur, and continued
to the extreme apex, where they terminate in two robust claws ; the
insertion of the tarsus is at some little distance from the apex, and
the socket which contains it is armed with minute teeth, like the
teeth of a comb. The tibice (Tab. IV. fig. Ik) are short and attenuate,
the first and second joints being ovate, and the third broadly sub-
circular ; the fourth is elongate, subincurved, and produced above
into a broad globular inflation, which completely conceals from above
the apical claw. This claw is bifid and, like the anterior claw, simple.
The general appearance of the insects composing this genus will
(without reference to structural details) at once separate them from
others. They are more robust, more cylindrical, and less depressed
than in Physimerus ; the thorax is narrower and more rectangular
than in Phylacticus, which at first sight it closely resembles ; and
from Tlirasygceus the genus is at once separated by its much smaller
size, as well as by its more contracted thorax.

1. Hypantherus concolor. (TAB. IV. fig. 1.)

H. oblongus, latus, sat robustus,flavo-pubescens, rufo-ferrugineus;
capite brevi, super antennarum basin T foveolato, punctato, ad
medium rufo-fusco suffuso ; ihorace transverse, rectangulari, ad
basin transverse depresso, punctato ; elytris latis, robustis, ad
medium oblique depressis, punctato-striatis ; antennis brevibus,
incrassatis, rufo-testaceis, art. 6-8 nigris ; pedibus robustis, sub-
pubescentibus, rufo -ferrugineis.

Long. corp. 2| lin., lat. 1|- lin.

Oblong, broad, tolerably robust, flavo -pubescent, rafo-ferrugineous.
Head short, transverse, slightly produced ; between the mouth and
the base of the antennae is a transverse subtriangular depression ;
immediately above the insertion of the antennae is an obsolete longi-

98 HYPANTHERtTS.

tudinal fovea, which joins at its upper extremity a broader transverse
shallow depression: the surface below the antennae almost impunctate ;
above, strongly punctate, rufo-ferrugineous, medially suffused with
rufo-fuscous. Thorax a little broader than the head, transverse, rect-
angular ; the anterior angles depressed ; the sides marginate ; at the
base is an obsolete shallow transverse depression ; the surface flavo-
pubescent, finely punctate. Scutellum triangular, flavo -pubescent.
Elytra tolerably broad, robust, medially subdepressed, punetate-
striate, navo-pubescent. Antennae short, robust, incrassated; the
first joint broad and long ; the second short, ovate ; the third nearly
as long as, but more slender than, the first ; the fourth and fifth
shorter and slightly broader than the third ; the sixth, seventh and
eighth broadly dilated ; rufo-testaceous, sixth to eighth black. Legs
robust, subpubescent, rufo-ferrugineous.

From the district of the River Amazon. In the collections of Mr.
Bates and the Rev. H. Clark.

2. Hypantherus ambiguus.

H. oblongo-ovatus, sat robustus, fusco-ferrugineus ; capite brevi,
super antennarum basin bituberculato, ad basin crebre punctato,
rufo-ferrugineo, in medio rufo-fusco ; ihorace transverso, Icevigato,
flav o-pubescenti ; elytris robustis, punctato-striatis,flavo-pubes-
centibus; antennis brevibus, incrassatis, art. \-5flavis, 6-8 nigris,
9-11 flavis ; pedibus anterioribus flavis ; femoribus posticis rufo-
fuscis, tibiis ad apicem obsolete dentatis, et (cum, tarsis) rufo-
fulvis.

Long. corp. 2|-3 lin., lat. 1| lin.

Oblong-ovate, sufiiciently robust, of a dark-brown ferrugineous
colour throughout. Head short, slightly produced ; above the mouth
is a transverse subtriangular depression : immediately above the in-
sertion of the antennae is a deep longitudinal fovea, giving prominence
to two oblong shining tubercles, one on either side of it ; above this
fovea there is no trace of a trans verse- depression, as in H. concolor : the
surface in front levigate, above thickly and deeply punctured ; rufo-
ferrugineous, suffused medially with rufo-fuscous. Thorax trans-
verse, rectangular; the anterior angles depressed; the sides marginate;
the surface levigate, navo-pubescent. Scutellum triangular, flavo-
pubescent. Elytra robust, longer and proportionally narrower than in
H. concolor, antemedially transversely subdepressed, punctate-striate,
navo-pubescent (the punctures being somewhat finer and the pu-
bescence closer than in H. concolor). Antennce short, robust, incras-
sated, the third and fourth joints being slender, and of the length of

HYPANTHERFS. 99

the first ; the sixth to the eighth dilated ; the colour of the first and
second rufo -flavous, the third to fifth flavous, the sixth to eighth
black, the ninth to eleventh flavous. Legs-, the anterior flavous
throughout ; on the outer edge of the posterior tibiae, near the apex,
is a minute spur-like projection ; the femora pubescent, rufo-fuscous ;
the tibiae and tarsi rufo-fulvous.

In form and general appearance this insect is closely allied to H.
concolor ; it may be separated, however, by its greater length, its pro-
portional narrowness, as well as by the difference of its colouring, —
by the difference of the sculpturing at the apex of the head, and by
the character of its punctuation and pubescence on the elytra.

From the district of the Amazon. In the collection of Mr. Bates.

3. Hypanthems assimilis.

H. oblongo-ovatus, robustus, jlavo-pubescens, rufo-ferrugineus ;
capite brevi, inter oculos V carinato, impunctato ; thorace trans-
verso, cequato, rectangulari ; elytris latis, subcylindricis, punctato-
striatis, ante medium transverse depressis ; antennis filiformibus,
ferrugineis, art. 6-11 fuscis ; pedibus rufo-ferrugineis.

Long. corp. 2 Kn., lat. 1 lin.

Oblong-ovate, robust, finely flavo -pubescent, rufo-ferrugineous.
Head short, transverse, slightly produced in front ; between the la-
brum and the base of the antennae are a longitudinal medial and also
two oblique carinations ; above the base and between the eyes are
also two oblique carinations, forming together the character of the
letter V ; eyes lateral, globose, situated nearly at the base of the head ;
the surface is subpubescent, more distinctly at the inner margin of
the eyes, at the base impunctate, and rufous. Thorax transverse
(almost quadrate) ; the anterior angles depressed and subacute, the
sides marginate and subparallel ; the surface is inclined, equate, and
subpubescent. Scutellum small, triangular, fuscous. Elytra broad,
robust, subcylindrical, slightly tapering towards the apex, finely
punctate-striate, evenly and obsoletely pubescent; when viewed
obliquely, a shallow transverse antemedial depression is apparent.
Antennae robust, filiform, slightly thickened near the apex, ferrugi-
neous, the sixth to the eleventh joints being fuscous. Legs robust,
rufo-ferrugineous, and subpubescent.

A single example of this species was taken by Mr. Squire in the
neighbourhood of Eio Janeiro, and is in the cabinet of Mr. Baly. It
differs from H. ambiguus by its filiform (not broadly incrassated) an-
tennae, by its shorter and comparatively more robust form, and by
the obsolete striae on the elytra.

100 HTPANTHERTJS.

4. Hypantherus Batesii.

H. oblongo-ovatus, robustus, obsolete pubescens, rufo-ferrugineus;
capite brevi, antice subproducto, inter oculos bituberculato, ad
basin punctato ; thorace transverso, rectangulari ; elytris robustis,
ante medium obsolete depressis, punctato-striatis ; antennis ro-
bustis, flavis, art. 6-8 incrassatis et nigris ; pedibus rufo-flavis.

Long. corp. 2|- lin., lat. 1^ lin.

Oblong-ovate, robust, obsoletely pubescent, rufo-ferrugineous.
Head short, transverse, slightly produced in front ; below the base of
the antennae is a transverse triangular plane depression ; above the
base are two short tubercular elevations (not produced longitudinally,
as in H. ambiguus] ; at the base of the head deeply punctate (not
granulated, as in H. ambiguus) ; the eyes are lateral and globose,
situated nearly at the base of the head : in colour the apex is flavous,
and the transverse depression below the antennae fuscous (in H. am-
biguus, the anterior part of the head is uniformly rufo-ferrugineous) ;
the base is ferrugineous, medially fuscous. Thorax transverse, rect-
angular; the anterior angles depressed and subacute; the sides
parallel and evenly marginate ; the surface equate, thickly punctate,
and obsoletely pubescent (less distinctly so than in H. ambiguus),
rufo-ferrugineous, medially broadly piceous. Scutellum triangular,
fuscous. Elytra broad, robust, antemedially transversely depressed,
rufo-ferrugineous (not fuscous, as in H. ambiguus*) ; finely pubescent,
punctate-striate, the striae being deep, and the punctures obsolete.
Antennce robust, medially dilated, flavous, the sixth to the eighth
joints being incrassated and black. Legs robust, subpubescent, rufo-
flavous.

The above description indicates the several points of difference
between this species and H. ambiguus, to which it is very closely
allied. H. Batesii may be separated not only by the colour and
striation of the elytra, and the colour of the thorax, but by the form
of the tubercular markings about the base of the antennae.

Taken by Mr. Bates in the district of the River Amazon, and in
that gentleman's collection.

5. Hypantherus Deyrollii. (TAB. IV. fig. 2.)

H. oblongo-ovatus, subpubescens, jlav us ; capite ad basin antenna-
rum foveolato ; thorace transverso, ad basin depresso ; elytris
punctato-striatis, ad apicem flavo-pubescentibus ; antennis fili-
formibus, robustis; pedibus posticis brevibus.

Long. corp. 2 lin., lat. |-1 lin.

HYPANTHEKUS. 101

Oblong-ovate, subrobust, parallel, subpubescent, flavous. Head
short, slightly produced ; between the eyes and above the base of the
antennae is an obsolete fovea in the form of the letter T ; the surface
is finely pubescent and thickly punctate. Thorax transverse (almost
quadrate) ; the anterior angles depressed and somewhat rounded ;
the sides marginate; near the base are two broad postmedial de-
pressions, while from the head to the scutellum extends an obsolete
(almost imperceptible) longitudinal impression. Scutellum small,
triangular. Elytra broad, parallel, punctate-striate (the punctures
being broad and the striae shallow) ; clothed throughout with a fine
flavous pubescence, which can only be traced by a high magnifying
power, except at the apex, where it is more distinctly apparent.
Antennae filiform, tolerably robust. Legs : the posterior short ; the
apex of the tibiae (which does not extend beyond the elytra) being
produced beyond the insertion of the tarsi; the globular inflation
above the posterior claw bright red.

This species differs considerably in detail from H. rufo-testaceus,
which in general facies it resembles ; it is narrower in form, the an-
terior angles of the thorax are less acute, the striation on the elytra
is more distinct^the pubescence on the surface is closer, and on the
elytra there is hardly any trace of a transverse antemedial depression,

Island of St. Paul, Brazil. In the cabinet of M. Deyrolle.

6. Hypantherus rufo-testaceus.

H. oblongo-ovatus, robustus, subpubescens, rufo-testaceus; capite
inter oculos tricarinato ; thorace quadrato, ad apicem coarctato,
ad basin transverse depresso, punctato ; elytris robustis, striato-
punctatis, ad basin flavo-pubescentibus ; pedibus subpubescentibus,
rufo-flavis, femoribus (et tibiis ad basin} posticis fusco suffusis.

Long. corp. 2^ lin., lat. 1J lin.

Oblong-ovate, robust, sparingly pubescent, rufo-testaceous. Head
short, somewhat produced ; between the insertion of the antennae is a
longitudinal carination, which extends on either side obliquely in the
direction of the upper margin of the eyes ; within this Y-shaped ridge
is another medial longitudinal carination, which extends to the line
of the base ; the surface thickly punctate. Thorax quadrate ; the
anterior angles slightly truncate ; sides anteriorly slightly coarctate,
marginate, the margination shortly and abruptly contracted imme-
diately behind the anterior angle ; surface at the base transversely
subdepressed, punctate. Scutellum small, triangular, rufo-fuscous.
Elytra broad, robust, with punctures arranged in the form of striae ;
a transverse antemedial depression extends obliquely upwards to^

102 THRASYCKEUS.

wards the humeral angles ; the surface glabrous except at the sides,
and more evidently at the apex, where it is distinctly flavo-pubescent.
Antennae, wanting, with the exception of the first two joints ; the first
broad, dilated towards the apex, and reflected backwards ; the second
short and truncate, both rufo- testaceous. Legs tolerably robust, sub-
pubescent, rufo-flavous, the extreme apex of the posterior femora
and the base of the posterior tibiae being suffused with fuscous.

Brazil. In the cabinet of M. Deyrolle.

Genus 13. THRASYGCEUS*.

LABRTTM breve, transversum.

PALPI MAXILLARES elongati, subcylindrici ; art. 3tio subparallelo, et ad
apicem truncate, 4?° minuto, elongate.

PALPI LABIALES art. 2nd0 subdilatato, ultimo elongate, attenuate.

JksTEsnsM filiformes.

CAPUT breve, haud antice productum, verticale.

THORAX latus, transversus, antice subconstrictus, ad latera marginatus
et rectilinearis.

ELYTRA subdepressa, lata, punctato-striata.

PEDES femoribus anterioribus sat robustis, tar sis brevibus, art. 1OTO
triangulari, 2nd0 brevi, lato, 3tio lato et bilobo ; femoribus posticis
incrassatissimis, tibiis longitudinaliter depresses (Jiaud cylin-
dricis) et marginatis, simplicibus, haud dente ad marginem
armatis.

Labrum short, transverse, abruptly rounded at the margins.

Maxillary palpi (Tab. IY. fig. 3 m) elongate, subcylindrical ; the
basal joint quadrate, minute ; the second broader, dilated, and ob-
liquely truncate near the apex ; the third somewhat broader than
the second,, subparallel, and transversely truncate at the apex ; the
apical joint minute and elongate.

Labial palpi (Tab. IV. fig. 3 n) : the basal joint dilated at the
apex ; the second less parallel . than in the maxillary, transversely
truncate ; and the terminal joint elongate and attenuated.

Antennce filiform; the basal joint slightly dilated and inflected
outwards from the base ; the second not ovate, but of the same form
as? and shorter than, the first ; the third to the fifth of equal length,
nearly equal in length to the first, more attenuated, slightly incras-
sated towards the apex, and obliquely truncate ; the terminal joints
are somewhat more attenuated ; the whole very finely pubescent : the

* 0|0tt<7i<s, fortis ; yvlov, membrum.

THRASYGKEU3.

103

antennae are at their insertion approximate, and immediately below
and between the inner margin of the eyes.

Head small, transverse, not produced in front, inclined at" right
angles to the plane of the elytra.

Thorax broader than the head, and relatively broader than in the
adjoining groups, transverse, slightly constricted in front ; the ante-
rior angles considerably depressed ; the surface subequate ; the sides
rectilinear and marginate ; the basal line sinuate.

Scutellum triangular, impunctate.

Elytra broad, robust, subdepressed, punctate-striate; in some
species finely pubescent, and variegated in colour.

Legs : anterior femora sufficiently robust, slightly dilated anteme-
dially. The tibice are straight (inflected at the immediate base),
longitudinally ribbed or marginate, slightly dilated towards the apex.
The tarsus (Tab. IY. fig. 3 d) is short ; the first joint subelongate,
triangular, of breadth equal to that of the tibia ; the second shorter,
broader ; the third broader still, transversely bilobed, margined with
rigid pubescence ; the apical joint is elongate, slightly incurved,
and incrassated towards the apex. The terminal claw is bifid, each
member consisting of a double claw of equal length. The posterior
femora are very broadly incrassated, ovate, gradually attenuated to-
wards the apex ; at the base broadly truncate — the junction of the
femur to the metathorax being at an angle of this truncation. The
tibice (Tab. IY. fig. 3 g) are short and straight ; the surface is not
cylindrical, but trilateral — the posterior surface being, near the apex,
subsinuate in outline ; the apical socket, in which the tarsus is in-
serted, is elongate and truncate. Of the tarsi (Tab. IY. fig. 3 7i)
the basal joint is elongate, and widened towards the apex, obliquely
truncate ; the second of the same form, but shorter ; the third sub-
cylindrical.

This genus is allied to Eupeges in the form of its thorax, as well
as of the posterior femora and the maxillary palpi. Its totally dif-
ferent facies however (less ovate and less parallel), the thorax rela-
tively smaller, and the elytra more robust, besides some difference
in the form of the posterior tibia, compel us to feel that it ought to
constitute a separate, although a closely allied genus.

1. Thrasygceus eximius. (TAB. IY. fig. 3.)

T. oblongo-ovalis, latus, sat robustus ; capite haud producto, brevi,
antice glabro, ad basin granulato, nigro ; thorace transverso,
antice constricto etiamque depresso, angulis anterioribus subacutis,
ad basin transverse depresso, subpubescenti, punctulato ; elytris
robustis, punctatis (haud striatis), pubescentibus, nigris, maculis
quatuor magnis (duabusque minutis ad scutdlum} pallide fotvis ;

104 THBASYGKETJS.

antennis filiformibus, tenuibus, articulis 1-4 rufo-flavis, 5-7
fuscis, S-llpallide dnereis ; pedibus flavis.

Long. corp. 3J lin., lat. 2 lin.

Oblong-oval, broad, robust, subdepressed. Head short, depressed
(almost vertical), not produced ; befow the base of the antennae is a
transverse triangular glabrous depression ; the surface between the
eyes granulated, with two more distinct wart-like prominences ; at
the base thickly punctate, black. Thorax transverse, constricted in
front ; the anterior angles depressed, hardly extending laterally be-
yond the eyes ; the sides marginate ; at the base is a broad shallow
medial depression ; the surface subpubescent and finely punctate,
flavous, slightly suffused with black towards the apex. Scutellum
triangular, black. Elytra robust, somewhat broader than the thorax,
with punctures arranged in the form of striae, finely and closely pu-
bescent ; black, with four large and two smaller white markings ;
the two smaller oval, close to the scutellum between the first and
third striae ; of the larger, two (broad and transverse) are situated
antemedially between the second and the ninth striae, while two are
similarly situated nearer to the apex. Antennce filiform, attenuated ;
first to fourth joints rufo-flavous (on the upper surface of the apex
fuscous), fifth to seventh fuscous, eighth to eleventh very pale cine-
reous, almost white. Legs flavous throughout ; the apex of the pos-
terior femora dark fuscous ; the bladder-like inflation of the posterior
claw bright ferrugineous.

This insect, at first sight, resembles Octogonotes sumptuosus; it
differs, however, in its more robust form, in the deeper and more
distinct punctuation at the back of the head, and by the absence of
any tooth-like projection in the margination of the thorax, in the
fuscous colour of the scutellum, and in the disposition and colouring
of the markings on the elytra, as well as in the great contrast of form
of the maxillary palpi.

A single specimen, captured by Mr. Bates in the Amazon district,
is in that gentleman's cabinet.

2. Thrasygoeus exaratus.

T. oblongo-ovatus, latus, punctato-striatus, nigro-cyaneus ; cap lie
brevi, transverso, super basin antennarum bituberculato, punctato,
fulvo-rufo ; ihorace transverso, anitice attenuato, ad basin trans-
verse depresso, sparsim punctato, rufo ; elytris latis, punctato-
striatis, nigro-cyaneis ; antennis filiformibus, nigris ; pedibus
robustis, piceis, femoribus fusco suffusis.

Long. corp. 4 lin., lat. 2 lin.

Oblong- ovate, broad, punctate -striate, dark blue, glabrous. Head

THRASYGOETJS. 105

short, transverse, depressed, not produced in front ; above the labrum
is a transverse triangular depressed plane ; immediately above the
insertion of the antennaB are two small obsolete tubercles, while be-
tween them is an indistinct linear depression extending towards, but
not reaching, the base of the head ; surface punctate, fulvo-rufous.
Thorax transverse, considerably constricted in front ; the anterior
angles much depressed ; the sides marginate, and near the anterior
angles subsinuate ; at the base is a broad transverse medial depression
(not extending to the margins) on either side of the centre of the
disc ; near to the anterior angles is a small circular depression ; the
surface is glabrous, finely and sparingly punctate, rufous. Scutellum
triangular, fusco-rufous. Elytra broad, robust, punctate-striate, of
a deep dark-blue colour, glabrous. Antennae filiform, black, the first
joint being suffused with rufo-fuscous. Legs robust, piceous, the
femora being suffused with fuscous.

Brazil. In the collection of M. Chevrolat.

. 3. Thrasygceus obscurus.

T. oblongo-ovatus, robustus, subparallelus, subpubescens, pallide
flavus ; capite brevi, supra antennarum basin tenue bitubercu-
lato, granulato ; thorace transverso, lato, rectangulari, punctate ;
elytrispunctato-striatis, subpubescentibus ; antennis robustis,fili-
formibus ; pedibus subrobustis.

Long. corp. 2| lin., lat. 1J lin.

Oblong-ovate, robust, subparallel, very finely pubescent, of a pale
flavous colour throughout. Head broad, transverse, depressed, slightly
produced ; above the labrum is a transverse and triangular plane ;
immediately above the base of the antennae are two obscure but
somewhat broad tubercles, forming between them and above them
a fovea of the shape of the letter T ; the surface below the tubercles
pale flavous, above coarsely granulated and fuscous. Thorax broad,
transverse, rectangular, rectilinear; the anterior angles depressed
and distinct ; the sides submarginate ; the surface finely punctate.
Scutellum triangular, impunctate, fulvo-flavous. Elytra somewhat
broader than the thorax, subparallel, punctate-striate, clothed
throughout with a fine thick pubescence. Antennce tolerably long,
robust, filiform ; the first joint long, and broadly dilated at the apex ;
the second short, ovate, inserted at the outer margin of the first ;
the third longer than the first, pale flavous. Legs tolerably robust,
pale flavous throughout.

Brazil. In the collection of Mr. Baly.

106 THRASYG02US.

4. Thrasygceus undatus.

T. oblongo-ovatus, latus, subdepressus, subtiliter pubescens, rufo-
ferrugineus ; capite subelongato, granulate; thorace transverso,
ad apicem subconstricto, ad basin et ad angulos anticos depresso ;
elytris latis, punctato-striatis, vittis duabus transverse notatis in-
constantibus undatis flavis, hac ante medium, ilia ad basin ; an-
tennis robustis, ad apicem dilatatis, art. 1—6 fusco suffusis, 7—9
piceis, 10 et 11 testaceis ; pedibus flavis.

Long. corp. 2f lin., lat. 1^ lin.

Oblong-ovate, broad, subdepressed, very finely pubescent, of a
dark fawn or ferrugineous colour. Head transverse, subelongated ;
above the labrum is a transverse triangular plane, extending up-
wards nearly to the base of the antennae : above the antennae are two
broad and obsolete tubercles, extending to the inner margin of the
eyes ; above them is a slight transverse depression : the surface gra-
nulated, of a dark brown colour, — the upper and inner margins of
the eyes, and a small circular spot medially at the base, being of a
paler hue : eyes large, prominent, situated at the base of the head,
extending laterally nearly as far as the angles of the thorax. Tho-
rax transverse, rectangular (slightly contracted towards the apex),
rectilinear ; the anterior angles depressed ; the sides marginate ; at
the base is a broad transverse shallow depression, which is most
distinctly apparent near the basal angles ; in front, also, are three
depressions, — one medial longitudinal, distinct and deep, the others
lateral and more obsolete ; the surface very finely punctate through-
out; the colour a dark brown. Scutellum large, triangular, impunc-
tate. Elytra much broader than the thorax, depressed, punctate-
striate, the punctures in the striae being almost obsolete, and clothed
throughout (when viewed under a high power) with a very fine pu-
bescence ; the surface of a deep-brown colour, which is broken ante-
medially and near the base by two irregularly-formed transverse
markings of a pale flavous colour : the one which is antemedial is
obliquely transverse, extending in the direction of the scutellum ; it
consists of several (four to six) short longitudinal lines, connected
one with the other anteriorly; the postmedial transverse marking is
also very irregular in form, and does not extend to the suture : at
the margin of the shoulders, also, is an indication of this same pale
flavous colour. Antennae robust, dilated towards the apex; the
joints one to six flavous, suffused with fuscous ; seven, eight and nine
piceous, ten and eleven testaceous. Legs flavous throughout, the
apex of the femora and the tibiae and tarsi being suffused with
piceous.

Venezuela. In the collection of M. Chevrolet.

EUPEGES. 107

Genus 14. EUPEGES*.

LABRFM breve, subcirculare.

PALPI MAXILLARES minuti, art. 3"° elongate, et ad apicem dilatato, art.
ultimo conico.

PALPI LABIALES attenuati.
ANTENNA approximate, sat robustce,filiformes.
CAPUT transversum, antice Tiaud productum.
THOEAX transversus, latus, ad latera subrotundatus.
ELYTEA sat robusta, subparallela et cylindrica.

PEDES : ant. tarsi breves, art. 3tio lato et bilobo ; tibice posticce sim-
plices, nee sinuatce nee dente armatce ; tarsi breves et attenuati, art.
lmo et 2Hdo subcequalibus, 3tio minuto et subcirculari.

Labrum short, subcircular.

Mandibles robust, sinuated or dentated at the inner margin near
the base, at the apex acuminate.

Maxillary palpi (PI. IV. fig. 4 m) elongate, minute ; the basal
joint obsolete; the second slightly dilated at the apex; the third
longer than the second, the length being equal to three times the
breadth, and dilated at the apex ; the apical joint conical.

Labial palpi (PI. IV. fig. 4 n) attenuated, filiform.

Antenna? approximate, situated below the inner margin of the eyes,
sufficiently robust, filiform ; the first joint elongate, slightly inflected
outwards, and subdilated towards the apex ; the second short, ovate ;
the third not quite so long as the first, narrow, subdilated at the
apex ; the fourth and fifth equal in length.

Eyes globose, situated at the base of the head.

Head depressed (not porrect), transverse, narrower than the thorax,
not produced anteriorly.

Thorax transverse, much broader than the head, relatively broader
(as compared with the head and the elytra) than in Hypantherus and
Thrasygoeus, constricted in front ; the sides subsinuate and margi-
nate.

Elytra robust, perceptibly, but not considerably, broader than the
thorax, slightly rounded at the sides, finely punctate or impunctate,
glabrous.

Scutellum triangular, situated on the same plane as the elytra.

Legs : the anterior femora and tibice robust. The tarsi short ; the
first and second joints not so broad as the apex of the tibiae, subequal
in length ; the third broader and distinctly bilobed ; the apical claw

* ev, bene ; Trfiyvvpt, firmo.

108 ETJPEGES.

is bifid, and armed at its inner surface with an obsolete tooth. The
posterior femora are incrassated. The tibia (Tab. IV. fig. 4#) is
short, inflected at its immediate base, and gradually thickened to-
wards the apex ; when viewed from behind, the posterior surface is
slightly grooved longitudinally, simple (not sinuate or armed with a
spur) ; the apex is obliquely truncate and simple at the extremity,
without any terminal claws. The tarsi (Tab. IV. fig. 4 Ji) are at-
tenuate and short ; the first and second joints subequal ; the third
shorter and circular ; the apical joint is broadly inflated at its ex-
tremity.

This genus is distinguishable from all others (except Hydmosyne)
by its robust, subparallel and ovate form, depressed (not cylindrical),
by the breadth of its thorax, and by its unarmed posterior tibiae ; from
Oinops it may be separated by its less porrect head, by the structure
of its maxillary palpi, and also by its unarmed tibiae. The species
composing it will probably, hereafter, be subdivided into two separate
genera. There is a manifest contrast in facies between E. pr cedar a
and the two other species : the former insect is distinctly oval, the
humeral angles of the elytra are less prominent, and the lateral line
of the thorax is almost continued in the line of margination of the
elytra ; in E. scabrosa the shoulders are prominent, the sides of the
elytra are more parallel, and the thorax is less broadly transverse ;
the ultimate joint of the anterior tarsus is also, in the former species,
more deeply bilobed.

1. Eupeges praeclara. (TAB. IV. fig. 4.)

E. ovalis, robusta, subcylindrica, nitida ; capite lato, transverso, de-
presso, punctato, rufo ; thorace transverso, sat magno, ad basin
lato, sensim versus caput constricto, impunctato, rufo ; elytris ro-
bustis,punctis obsoletis veluti in striis ordinatis,purpureo-cyaneis,
nitidis ; antennis haud elongatis, robustis, rufo-testaceis ; pedibus
etiam rufo-testaceis.

Long. corp. 3J lin., lat. 1J lin.

Oblong, oval, robust, shining. Head transverse, short, depressed,
much narrower than the thorax ; eyes small, prominent, not extend-
ing to the anterior margin of the thorax ; above the base of the
antennas is a transverse ridge (rendered more distinct by a medial
depression behind it) ; surface of the head punctate, rufous. Thorax
transverse, equate ; the anterior angles (which project beyond the
head) are subacute and depressed ; the sides marginate ; the basal
angles are in close proximity to the shoulder of the elytra ; the form
of the thorax (broad at the base) is gradually constricted towards
the anterior angles, although even at the apex it is considerably

EFPEGES. 109

broader than the head ; surface impunctate, rufous. Scutellum tri-
angular, very darkly rufous. Elytra broad, robust, with punctures
(very minute and obsolete) arranged in the form of striae ; glabrous,
of a dark metallic blue colour. Antennae short, robust, with a ten-
dency to dilatation towards the apex (from the fifth to the eleventh
joints) ; the first joint dilated, inflected outwards, and nearly as long
as the third and fourth together; rufo-testaceous. Legs rufo-tes-
taceous throughout.

A single specimen, taken in the Amazon district by Mr. Bates, is
in that gentleman's collection.

2. Eupeges scabrosa.

E. ovaUs, robusta, nigra ; capite brevi, ad basin antennarum bitu-
berculato,punctato,fusco-rufo ; thorace transverso,punctato,fusco-
rufo; elytris subcylindricis, punctato-striatis, granulatis, nigris ;
antennisjilif or mibus, fusco -nigris ; pedibus rufis, tibiis tarsisque
fuscis.

Long. corp. 3^ lin., lat. 1^- lin.

Oblong, oval, subparallel, robust, black. Head short, transverse,
slightly produced ; below the base of the antennae is a transverse tri-
angular plane; above the base of the antennas are two prominent
tubercular elevations, which are more prominent by reason of a medial
longitudinal fovea, and above them a transverse depression; eyes
globose, situated nearly at the base of the head ; the surface of the
head strongly punctate, impubescent, fusco-rufous. Thorax trans-
verse, in front slightly emarginate ; the anterior angles are subacute
and much depressed ; the sides are marginate, and in outline sub-
sinuate ; near the basal angle (when viewed obliquely) is an obsolete
depression ; the surface is deeply punctate, impubescent, and fusco-
rufous. Scutellum triangular, pubescent, rufo-fuscous. Elytra sub-
cylindrical, parallel, punctate-striate ; the punctures are entirely,
and the strise almost, concealed by a clothing of short and coarse pu-
bescence, which gives a generally scabrous appearance to the whole
surface ; the colour black. Antennas, robust, filiform, the second and
third joints being slightly attenuated ; fuscous-black, the two basal
joints being suffused with rufous. Legs rufous, the anterior tibiae
and tarsi fuscous.

Brazil.

3. Eupeges nigrifrons.

E. oblongo-ovata, subparallela, depressa, subtiliter pubescens, pallide
flava; capite brevi, transverso, oblique foveolato, granulato9flavo9

110 PHTLACTICI7S.

ad basin nigro-fusco ; thorace transverse, cequato, subgranulato ;
elytris robustis, punctato-striatis ; antennis filiformibus, fuscis,
ad basin fiavis ; pedibus fiavis ; tibiis tarsisque fusco suffusis.

Long. corp. 2^- lin., lat. 1^ lin.

Oblong-ovate, subparallel, slightly depressed ; when viewed under
a high power clothed with a very fine pubescence throughout; of a
pale flavous colour. Head short, transverse, hardly produced ; above
the labrum (which is fuscous) is a triangular plane depression ; at
the insertion of the antennae is a minute, but distinct Y-shaped
carination, immediately above which is a transverse fovea ; a subcir-
cular or obliquely angulated fovea extends between the upper and
inner margins of the eyes : the surface finely granulated throughout ;
at the base fuscous -black, and below the insertion of the antennae
flavous. Thorax transverse, rectangular, rectilinear; the anterior
angles subdepressed ; the sides submarginate ; the surface equate,
somewhat flat, and finely granulated. Scutellum triangular, im-
punctate, fuscous. Elytra rather broader than the thorax, subparallel,
punctate-striate, clothed throughout with a pale flavous pubescence,
so fine that it does not conceal the striae or the punctures. Antennce
robust, filiform, fuscous, the three basal joints being flavous. Legs :
the anterior rufo-flavous, the posterior pale flavous, the tibiae and
tarsi being suffused with fuscous.

Brazil. In the collection of M. Chevrolat.

Genus 15. PHYLACTICUS *.

LABRTTM transversum, subsinuatum.

PALPI MAXILLARES elongati, filiformes, art. 2ndoet3tio ad apicem dila-
tatis.

PALPI LABIALES subcylindrici.

ASTEXTSJR filiformes, sat robustce, aliquando ad apicem obsolete incras-
satce.

CAPTJT verticale, via? productum, plerumque inter oculos foveolatum aut
carinatum.

THORAX transversus (interdum subquadratus), ad apicem plus minus
constrictus, depressus.

ELYTRA robusta, brevia, ad apicem aliquando subattenuata.

PEDES : tibiae anteriores ad basin ipsum curvatce, haud ad apicem di-
latatce ; tarsi breves, art. 2ndominuto, 3tto lato : femora postica
incrassatissima, subovata ; tibice ad apicem subdilatatce, sim-
plices, haud dente munita? ; tarsi breves, attenuati, art. 2n<l° et 3tio
minutis.

* <j>v\aKTiKb$, vigilans.

PHYLA CTICT7S. Ill

Labrum transversely subsinuate.

Maxillary palpi (Tab. IY. fig. 5 m, fig. 6 m) elongate, filiform ;
the basal joint obscure ; the second subdilated towards the apex and
obliquely truncate; the third longer and slightly broader (at the
apex) than the second; the apical joint attenuate, much narrower
than the apex of the third.

Labial palpi (Tab. IV. fig. 5 n, fig. 6 ri) attenuate, subcylindrical,
the penultimate joint in P. modestus being somewhat more dilated
than in P. pollenosus or P. olivaceus.

Antennce sufficiently robust, filiform (slightly dilated towards the
apex) ; the basal joint subelongate, inflected outwards, and slightly
incrassated ; the second short and ovate ; the third attenuated, and
somewhat longer than the first.

Eyes prominent, situated at some distance from the base of the
head, lateral.

Head depressed at right angles to the plane of the elytra, hardly
produced in front; impubescent, and generally deeply marked trans-
versely or obliquely be'tween the eyes.

Thorax broader than the head, transverse (sometimes almost qua-
drate), not emarginate in front ; the sides are depressed and mar-
ginate, and towards the apex more or less constricted ; the surface
is generally equate, and impubescent.

Scutellum triangular.

Elytra robust, broader than the thorax ; the humeral angles pro-
minent, slightly tapering towards the apex ; for the most part di-
stinctly punctate-striate, covered with ajine pubescence.

Legs: anterior femora robust, subcylindrical, slightly incrassated
near the apex. Tibice inflected at their immediate base, straight (not
incurved), finely pubescent, cylindrical, not dilated towards the apex ;
the insertion of the tarsus is at the extreme apex. The tarsus (Tab. IY.
fig. 5 d) is short; the basal joint is triangular, not broader than the
tibia ; the second joint of the same form, but much more minute ; the
third is more transverse, subcircular, the breadth being double that
of the basal joint, and almost bilobed ; these three joints are densely
clothed with rigid pubescence : the terminal joint is attenuate and
incurved, slightly dilated towards the apex, shorter in length than in
the adjoining genera: the claw is broadly bifid, and simple, un-
armed by any inner tooth. The posterior femora are (wfren viewed
transversely) incrassated, in form subovate. The tibice (Tab. IY.
fig. 6 g) are short and robust, somewhat thickened at the apex and
base ; at the apex obliquely truncate, and terminating below the in-
sertion of the tarsus in a strong, double, hook-shaped process ; the
lateral margination is entirely unarmed by any spurs. The tarsus

112 PHYLACTICTJS.

(Tab. IV. fig. 6 h) is short and attenuated ; the basal joint elongated,
and towards the apex slightly incrassated; the second is minute,
almost triangular ; the third is not larger than the second, circular,
— from the centre of which proceeds the terminal joint, which is
elongate, and terminating at the apex in a globular inflation, which
completely conceals the claw when viewed from above.

The robust and abbreviated form, the (generally) anteriorly com-
pressed thorax, and the simple filiform antenna at once point out
this genus. The details of structure are yet more evidently distinct.
Its unarmed post-tibia, and minute second and third joints of the
post- tarsus are sufficient of themselves to separate it.

1. Phylacticus modestus. (TAB. IY. fig. 5.) B.M.

P. ovatus, subcylindricus, brevis, robustus, pubescens, stramineus ;
capite depresso, hand producto, punctato, inter oculos foveolato,
labro nigro, oculis parvis, haudprominentibus, ad basin punctato ;
thorace quadrato, antice subconstricto, angulis prominulis, hand
truncatis, ad latera obsolete marginato, ad basin complanato, et
transverse depresso, punctato ; elytris robustis, punctato -striatis,
pubescentibus ; antennis filiformibus, robustis, art. Imo lato, 2nd0
brevi, minuto ; pedibus stramineis.

Long. corp. 3 lin., lat. 1 lin.

Ovate, short, robust, punctate-striate, finely pubescent, of a pale
straw colour throughout. Head minute, vertical, hardly produced ;
below the base of the antennse is- a transverse triangular depressed
plane ; immediately above, or almost between the basal joints, are
two oblique well-defined carinations, rendered more distinct by
a deep medial fovea, and by two lateral depressions adjoining the
inner margins of the eyes ; eyes small, lateral, situated at the base
of the head ; the surface at the base punctate. Thorax transverse,
robust, constricted in front ; the anterior angles are much depressed
and almost obsolete ; the sides marginate ; the base (when viewed ob-
liquely) is broadly depressed ; the surface throughout is punctate and
very finely pubescent. Scutellum somewhat cordiform, impunctate.
Elytra robust, broader than the thorax, punctate-striate, at the base
obsoletely gibbous, clothed throughout with ajlne flavous pubescence,
sparingly distributed. Antennae filiform. Legs sufficiently robust ; the
globular inflation of the posterior claw of a bright rufous colour.

Very closely allied in form to its congeners, but distinguishable
at once by its pale favous elytra and larger size, as well as by the
markings on the head and the form of its thorax.

Santarem (Amazon Eiver). A single specimen, taken by Mr. Bates,
is in the cabinet of the British Museum.

PHYLACTICUS. 113

2. Phylacticus ustulatus.

P. oblongo-ovatus, robustus, impubescens, olivaceo-viridis ; capite
brevi, ad basin antennarum tenue bituberculato, punctato ; thorace
transverse, antea depresso et attenuate, crebre punctato ; elytris
rebustis, punctato-striatis, inter strias punctis minutissimis et
crebris instructis, ad basin rufo-fuscis ; antennis tenuibus, fili-
formibus, brevibus, flavo-ferrugineis ; pedibus flavo-ferrugine'ts,
femoribusposticis olivaceo-viridibus, ad apicem rufo-fusco suffusis.

Long. corp. 3J lin., lat. 1| lin.

Oblong- ovate, robust, impubescent, of a dull brown green colour.
Head short, transverse, obliquely depressed, broadly but slightly
elongate ; immediately above the labrum is a transverse impunctate
plane, of a pale but more clear green colour than the rest of the in-
sect ; above the base of the antennae are two apparently slightly raised
tubercles, which are formed by a somewhat deep and well-defined
medial and longitudinal fovea, and also by two other shallower
depressions near the inner surface of the eyes : eyes tolerably pro-
minent ; the surface above the base of the antennae coarsely punctate.
Thorax transverse, broader than the head, narrowed and considerably
depressed in front ; the sides distinctly marginate ; the surface finely
and closely punctate. Scutellum triangular. .Elytra robust, sub-
elongated towards the apex, punctate- striate, the surface between
the striaa being very finely punctate ; the colour of a dark dull olive-
green ; at the apex broadly rufo-fuscous, bounded by a suffused line
of darker fuscous, the boundary-line between the two colours being
situate at the distance from the apex of one-third of the whole length
of the elytra. Antennae fine, filiform, short, the second and third
joints being equal in length, and shorter than the first ; flavo-ferru-
gineous. Legs flavo-ferrugineous ; the posterior femora being of an
olive-green colour, at the apex suffused with rufo-fuscous. Abdomen
flavo-ferrugineous, at the apex suffused with rufo-fuscous.

Cayenne. In the collection of M. Chevrolat.

3. Phylacticns olivacens. (TAB. IY. fig. 6.)

P. ovalis, latus, robustus, olivaceus ; capite brevi, elongatulo, inter
oculos oblique foveolato, punctato ; thorace transverse, ad basin
lato, apicem versus sensim attenuate, angulis anticis depressis,
punctato ; elytris latis, ad humeros thorace paulum latioribus,
punctato-striatis ; antennis filiformibus, fuscis ; pedibus ferru-
gineis, fusco suffusis.
Long. corp. 2| lin., lat. 1-| lin.

Oval, broad, subdepressed, of a brownish -green colour throughout.

114 PHYLACTICTJS.

Head short, depressed, very slightly elongated in front ; labrum and
anterior surface of a paler colour (almost cinereous) : eyes black,
slightly prominent, distant; between them, and extending longi-
tudinally as far as the insertion of the antennae, is a medial Y-shaped
fovea : surface finely and closely punctate. Thorax transverse (almost
quadrate) ; sides marginate, broad at the base, but considerably con-
stricted anteriorly; the margination( when vie wed laterally) is abruptly
depressed from the humeral angle in the direction of the outer margin
of the eyes ; a very faint medial longitudinal line is indistinctly ap-
parent (when viewed in some lights), and the basal transverse de-
pression (so distinct in many of the allied species) is almost obsolete ;
surface finely punctate. Scutellum triangular, fuscous. Elytra robust,
distinctly punctate-striate, with the humeral angles less prominent,
and more closely rounded oif from the thorax than in other species
of this group. Antenna? filiform, with the first joint dilated towards
the apex and inflected outwards ; the second short, ovate ; the third
longer than the first, flavo-ferrugineous ; the fifth and sixth joints
more distinctly fuscous. Legs pale ferrugineous ; suffused on the upper
surface of the anterior tarsi and tibise, as well as at the apex of the
posterior femora, with fuscous.

Of a dark-green colour in recently captured specimens ; this colour
would seem, however, to be evanescent ; one example before me has
almost entirely lost it, and is of a faint pale-green colour.

This species is almost identical with the figure and description of
CEdionychis viridis of Perty (Delectus Anim. Arctic, p. 110. tab. xxii.
fig. 6); it wants, however, the flavous marking on the head and
thorax. I subjoin Perty's description, which has reference, doubtless,
to an allied species of this genus*. Taken by Mr. Bates, in the
district of the Amazon. In the cabinets of Mr. Bates and the Rev.
H. Clark.

* " CEdionychis viridis. CE. subtus et femoribus posticis flavus, supra pallide
•viridis; elytris punctato-striatis. Long. 2%'", lat. hum. !£'".

" Habitat in Brazilia sequatoriali.

" Habitu Lemis affinis. Caput yiride linea utrinque flava, oculis fuscis. Thorax
viridis, elytris psene duplo angustior, vitta utrinque flavicante, scutellum flavicans.
Elytra pallide viridia, subparallela, insigniter punctato-striata, ad dorsum de-
planata ; subtus cum ore flavus. Mesostethium linea impressa. Antennae fla-
vicantes, corporis dimidio parum longiores. Femora et tibite anteriores virides ;
tarsi flavicantes. Pedes postici femoribus flavis, articulo tarsi ultimo valde inflate
unguiculisque minutissimis brunneis."

PHYLACTICTJS. 115

4. Phylacticus prasinus.

P. oblongo-ovatus,robustus,punctato-striatus, impubescens, olivaceus;
capite inter oculos Y foveolato, ad basin fortiter punctato ; thorace
transverso, angulis anticis acutis, punctatis ; elytris robmtis,
punctato-striatis ; antennis filiformibus, fuscis ; pedibus olivaceis.

Long. corp. 2| lin., lat. 1-J- lin.

Oblong-ovate, robust, punctate -striate, impubescent, of a dull green
colour throughout. Head slightly produced in front ; immediately
above the labrum is a transverse depression : eyes tolerably large,
situated at the base of the head ; between the eyes, and immediately
above the base of the antennae, is a longitudinal well-defined fovea,
which is terminated at its upper extremity by two oblique canalicula-
tions extending to the inner margins of the eyes, thus together form-
ing (more distinctly and deeply than in the allied species, P. olivaceus)
the character of the letter Y ; the surface between it and the base of
the head is broader and more deeply granulated : in colour of a uni-
form dull green, with the exception of the labrum and the insertion
of the antennae, which are flavous. Thorax transverse (not constricted
anteriorly as in P. olivaceus}, the anterior angles depressed and di-
stinctly acute ; the sides are very finely marginate ; the surface finely
and thickly punctate. Scutellum triangular, impunctate, of a fuscous
olive-green colour. Elytra somewhat broader than the thorax, robust,
deeply punctate-striate, impubescent. Antennce robust, filiform, dark
fuscous. Abdomen flavous. Legs robust, of a dull-green colour
throughout.

P. prasinus differs but slightly from P. olivaceus ; the modified form
of the thorax and of the basal part of the head seem sufficiently to
separate it as specifically distinct.

Para. In the collection of M. Chevrolat.

5. Phylacticus pollinosus.

P. oblongo-ovalis,parallelus, subconvexus,flavo-fulvus; capite haud
producto, ad basin punctato et nigro ; thorace transverso, punc-
tato, pubescenti ; elytris punctato-substriatis, pubescentibus ; an-
tennis nigris ; pedibus testaceis, tibiis tarsisque anterioribus fe-
moribusque posticis (ad basin) fuscis.

Long. corp. 2J lin., lat. 1 lin.

Oblong- ovate, robust, subpubescent, flavo-fulvous. Head short,
depressed, not produced; eyes large, distant, extending laterally
nearly to the anterior angle of the thorax ; surface of the head finely
granulated ; at and below the insertion of the antennae pale fulvous,
at the base black. Thorax transverse, rectangular; the anterior

i2

116 HOMAMMATUS.

angles depressed, the sides submarginate ; the surface equate (with an
obsolete thread-like fovea at the base), finely and thickly punctured,
and clothed throughout with a short downy pubescence. Scutellum
triangular, dark fuscous. Elytra oblong, subelongated at the apex,
very finely punctate-striate, of a somewhat deeper colour than the
thorax ; clothed throughout with a close, short, flavous pubescence.
Antennce filiform, black. Legs pale testaceous, with the anterior
tibiae and tarsi (and the base of the posterior femorli) fuscous, and
the posterior tibiaB and tarsi rufo-fuscous.

This species abundantly differs from P. olivaceus in its colour (fla-
vous, instead of olive-green), in the form of its thorax, which is not con-
tracted in front, and in the character of the punctuation of the elytra.

Morro Queimado (Eio Janeiro). A single example, in the collec-
tion of Mr. Fry.

6. Phylacticus amabilis.

P. oblongus, subdepressus, robustus,pubescens,fulvo-ferrugineus (in-
terdum etiamfulvus) ; capite brevi, penitus verticali, inter oculos in
forma liter ce Yfoveolato ; ihorace transverse, apud angulos anteri-
or es depresso, pubescenti; elytris punctato-striatis,pubescentibus ;
antennis filiformibus, fulvis, ad apicem flavis ; pedibusflavis.

Long. corp. 2-J- lin^ lat. 1-1^ lin.

Oblong, subdepressed, pubescent, fulvo-ferrugineous. Head short,
depressed (almost vertical) ; eyes large, situated at the back of the
head ; above the insertion of the antennae, and between the eyes, is
a broad Y-shaped fovea ; the surface at the base is finely granulated.
Thorax transverse, rectangular ; the anterior angles depressed and
distinct ; sides rectilinear and slightly marginate ; the surface equate,
and covered with a bright flavous pubescence. Scutellum minute.
Elytra punctate-striate, the punctures being entirely concealed by con-
colorous thick fulvous (or in other examples ferrugineous) pubescence.
Antennce filiform ; fulvous, with the apex flavous. Legs flavous.

The colour of this species is subject to some variation in hue,
ranging from ferrugineous to flavous.

From the district of the Amazon River. In the collection of Mr.
Bates and the Eev. H. Clark.

Genus 16. HOMAMMATUS*.
LABKTJM brev e} transversum.

PALPI MAXILLAKES elongati, art. 2nd0 ad apicem dilatato, 3tio lonyiori
et cylindrico.

* w/ios, humerus ; a'/*juaros (a/A/ia-^ nodus.

HOMAMMATUS. 117

PALPI LABIALES filiformes.

AiriEiorjs approximate, ad apicem dilatatce aut subdilatatce.

CAPUT plus minus attenuatum, antice productum, verticale.

THORAX transversus (subquadratus), antice rotundatus.

ELYTRA robusta, lata, abbreviata, ante medium transverse depressa.

PEDES : tibice anteriores ad apicem subincrassatce ; tarsi, art. 2nd0 mi-
nuto ; tibice posticce longitudinaliter marginatce, et ad marginem
subsinuatce ; tarsi breves et attenuati, art. ~Lmo et 2nd0 subcequalibus.

Labrum narrow, transverse.

Maxillary palpi (Tab. IV. fig. 7 m, fig. 8 m) elongate ; the first
joint minute ; the second dilated at the apex ; the third longer and
broader than the second, more cylindrical ; the apical joint nearly
the length of the second, and attenuate.

Labial palpi (Tab. IV. fig. 7 n, fig. Sn) fine, elongate, the medial
joint being filiform.

Antennae (Tab. IV. fig. 8 a) approximate, situated below the inner
margin of the eyes, robust, medially dilated ; the basal joint is
broadly dilated and incurved towards the apex ; the second robust
and short ; the third as long as the first, attenuate, especially at the
base ; the fourth of the same form as the third, but shorter ; the
fifth to the seventh distinctly dilated and short ; the terminal joints
less robust and abbreviated.

Eyes large, globose, situated at the base of the head, extending
laterally not so far as the anterior angles of the thorax.

Head more or less attenuated, produced in front, more distinctly
vertical than in any other genus of the group, or (in H. turgidus)
sub vertical.

Thorax transverse (almost quadrate); the anterior margin
rounded ; the sides finely marginate.

Seutellum triangular, situated somewhat below the plane of the
elytra.

Elytra robust, considerably broader than the thorax, abbreviated,
antemedially transversely depressed, punctate or finely punctate-
striate.

Legs : the anterior femora sufficiently robust, subincrassated to-
wards the middle. The tibice (Tab. IV. fig. 7 c) are inflected at their
immediate base, and gradually thickened towards the apex, where
(below the insertion of the tarsus) they are terminated by two in-
curved claws. The tarsi (Tab. IV. fig. 7 d) are short, slightly broader
than the base of the tibia; the first joint is triangular; the second
of the same form as, but rather smaller than, the first ; the third
is deeply bilobed, broader, circular : the apical claw is bifid, and

118 HOMAMMATTJS.

armed at its inner surface with a basal tooth. The posterior femora
are incrassated, but not so broadly as in allied genera. The tibice
(Tab. IV. fig. 8 g) are inflected at their immediate base ; when viewed
from behind, the posterior surface is longitudinally grooved ; the
margination of this groove is subsinuate above the insertion of the
tarsus ; the apex is armed with a series of comb-like teeth, and ter-
minates in a robust incurved claw. The tarsus (Tab. IY. fig. 8 Ti) is
short and attenuate ; the first and second joints subequal, dilated at
their apex ; the third minute, almost circular ; the ultimate joint is
produced into a globular inflation : the claw is armed at its inner
surface with a short basal tooth.

The two species which constitute this genus widely differ from all
other forms. Their very robust elytra (medially obliquely depressed),
and their small angulated thorax, designate them, prima fade, as
quite distinct from all other adjoining groups ; they differ, however,
inter se} and will probably at some future time, when we know
more of South-American insect-life, form the basis of two separate
genera. In H. turgidus the head is depressed, but not so abruptly
vertical ; the antenna are obsoletely, not distinctly, incrassated (per-
haps rather filiform) ; and the thorax is more constricted in front,
and, as compared with the head, narrower. There is an absence,
also, of that peculiar glabrous and entirely impunctate surface of the
thorax. There may be traced moreover (under the microscope) a slight
variation in the relative forms and lengths of the joints of the palpi.

1. Homammatus turgidus. (TAB. IV. fig. 7.)

H. ovalis, latus, subrotundatus, piceus ; capite parum producto, ad
apicem oblique canaliculato ; ihorace quadrato, antice subcon-
stricto,pubeflava sparsim obtecto, punctato ; elytris striato-punc-
tatis, ante medium complanatis, rotundatis, ad latera tenuiter
pubescentibus ; antennis robustis, filiformibus, art. ~Lmo-5to, 9"° et
10moflavis, 6to, 7mo, 8W et ultimo nigris ; pedibus flavis, femori-
bus posticis tarsisque anterioribus fuscis.

Long. corp. 2-1- lin., lat. 1£ lin.

Oval, somewhat broad and robust, piceous. Head small, and
slightly produced ; from the base of the antennae two raised carina-
tions extend obliquely to the upper and inner margin of the eyes,
while between them is a third longitudinal carination which ap-
proaches medially the margin of the thorax : eyes prominent, situ-
ated at the base of the head, not extending laterally as far as the
anterior angles of the thorax : surface rugose. Thorax small, qua-
drate; the anterior angles subacute and distinctly depressed; the
sides marginate ; the surface is punctate, and clothed (as is apparent

HOMAMMATFS. 119

under a high power) with fine ferrugineous pile. Scutellum trian-
gular, impunctate, fuscous. Elytra broad, robust (considerably
broader than the thorax), with punctures arranged in the form
of striae; a broad antemedial depression extends transversely and
obliquely upwards towards the humeral angles, giving an appearance
of prominence to the scutellary angles ; the surface glabrous, except
at the sides and apex, which are subpubescent. Antennae sufficiently
long and robust, filiform ; the third and fourth joints slightly attenu-
ated ; first to fifth flavous, sixth to eighth black, ninth and tenth fla-
vous, eleventh black. Legs flavous, the anterior tarsi and posterior
femora being fuscous.

I captured a single example of this insect at Tejuca (near Rio
Janeiro) in January 1857.

2. Homammatus nitidus. (TAB. IV. fig. 8.)

H. ovatus, robustus, glaber, rufus ; capite parvo, depresso, impunc-
tato, nigro ; thorace trarisverso, pcene quadrato, ad basin depresso,
impunctato, nigro ; elytris latis, levissime punctatis, antemediis
transverse (et oblique humeros versus) depressis, impubescentibus,
rufis ; antennis robustis, subincr assails, nigro-fuscis ; pedibus
anterioribus piceis, posticis rufis.

Long. corp. 2± lin., lat. 1-1 J lin.

Ovate, broad, glabrous, of a bright red colour. Head short, trans-
verse, produced and attenuated anteriorly ; eyes very large (in com-
parison with the breadth of the head), situated close to the basal
line, and extending laterally not so far as the anterior angles of the
thorax : below the insertion of the antennae is a longitudinal medial
carination, and two others (one on either side of it) obliquely trans-
verse ; above the base of the antennae is a distinct Y-shaped carina-
tion, extending obliquely upwards nearly to the base of the head ; on
either side of this, the margin of the eyes is bounded by a minute
and regular fovea, which extends parallel to their inner and upper
circumference : the surface is black and impubescent, at the base
punctate. Thorax transverse (almost quadrate) ; the anterior angles
depressed and subtruncate ; the sides marginate ; at the base is
a slight transverse depression, which gives to the anterior part of
the thorax a subcylindrical form; surface impunctate, bright gla-
brous, black. Scutellum small, triangular, rufous. Elytra much
broader than the thorax, robust, subdepressed ; under a high magni-
fying power very finely punctate, the punctures being arranged in
the form of striae : an antemedial transverse depression is continued
upwards and obliquely towards the inner part of the shoulder,
causing the base (near to the scutellary angles) to appear raised and

120 HOMOTYPHTJS.

prominent; within this depression the punctures are much more
distinctly apparent : surface impubescent, glabrous, brightly rufous.
Antennae robust, medially somewhat incrassated ; the first joint broad
and dilated ; second short, ovate ; third longer than the first and
narrow ; fourth to eighth gradually incrassated : the colour fuscous
black, the third joint and the ninth to eleventh being suffused with
piceous. Legs : the posterior tibiae are somewhat long, and produced
beyond the insertion of the tarsi ; the anterior piceous, the posterior
rufous.

From Choco, Colombia. In the collection of Mr. Baly.

I believe that these two species, H. turgidus and H. nitidus, al-
though generally allied to each other, will hereafter form two distinct
genera. In H. nitidus, inter alia, the head is more produced, the
thorax is anteriorly rounded, and the antennae have a more decided
tendency to dilatation ; in the absence of other species, however, I do
not venture to separate them.

Genus 17. HOMOTYPHUS*.

PALPI MAXILLARES cylindrici, art. 2nd0 et 3ho subcequalibus, apicali
attenuate.

PALPI LABIALES elongati, art. penultimo subdilatato.

ANTENNJE approximate, ad apicem subincrassatce, art. 3"°, 4to et 5to
cequalibus et attenuatis, 6*°-10TOO brevibus, robustis, art. ultimo
plerumque attenuate.

CAPUT vertieale, haud productum.

THORAX transversus, rarissime cequatus, subpubescens, et aut punctatus
aut granulatus.

ELYTRA lata, plerumque leviter tuberculata, plus minus ante medium

transverse depressa, punctate -striata, pube vestita.
PEDES robusti, tibiis posticis inarmatis.

Labrum transversely subrotundate.

Maocillary palpi (Front, fig. 6 m) robust, cylindrical ; the basal
joint minute ; the second and third of equal length, not incrassated
at the apex (the second being somewhat narrower than the third) :
the apical joint is much more attenuated than the rest, being at its
base considerably narrower than the apex of the third joint ; its length
is nearly double its breadth.

Labial palpi (Front, fig. 6 n) elongate ; the penultimate joint
slightly broader than the apical.

Antennce approximate, situated between the lower margins of the

s, humerus ; Tv^o^ai, turgesco.

flOMOTYPHTTS. 121

eyes, filiform, subincrassated towards the apex ; the first joint elon-
gate, dilated gradually towards the apex, and (when seen under a
high power) abruptly incurved and attenuated at the immediate base ;
the second joint is short, much narrower as well as shorter than the
first, constricted at the base and broadly truncate at the apex ; the
third, fourth and fifth are equal in length, longer than the second,
but shorter than the first, attenuate, but subdilated towards the
apex; the sixth is of the same form as, but more incrassated and
shorter than, the fifth ; the seventh to the tenth are shorter (the
length being hardly double the breadth), for the most part subdilated
and cylindrical; the apical joint is somewhat narrower, and tapering
at the extremity.

Eyes lateral, situated at the base of the head.

Head (Front, fig. 6 s v ) depressed at right angles to the plane of
the elytra, not produced in front, much narrower than the thorax.

Thorax broad, transverse, rectangular, anteriorly not emarginate ;
the sides are depressed and marginate ; not constricted in front ; the
surface is generally irregularly tuberculated and granulated.

Scutellum triangular.

Elytra broader than the thorax, robust ; the shoulders being well
developed and prominent, more apparently so by reason of a more or
less distinct transverse antemedial depression ; punctate-striate, and
for the most part clothed with obsolete pubescence, the surface being
generally irregular both in sculpture and in colour of pubescence.

Legs : the anterior femora robust, slightly attenuated near the
apex. The tibiae are distinctly incurved at their immediate base,
straight, gradually and slightly thickened towards the apex. The
tarsi are short, the basal and second joints being subequal in size (the
basal being almost cordiform, the second triangular and equal in
breadth to the base of the tibia) ; the third is much broader, di-
stinctly bilobed, and fringed with a thick and rigid pubescence ; from
the base of the third proceeds the apical joint, attenuated and in-
curved, slightly dilated towards the extremity : the terminal claw
is bifid, armed at its inner surface near the base with an obsolete
tooth. The posterior femora are short, and when viewed from be-
neath, very robust, incrassated, the upper margin being almost cir-
cular, the lower margin almost straight, gradually attenuated towards
the apex. The tibia is short, abruptly inflected at the base, straight,
unarmed near the apex by any tooth-like spurs ; at the apex some-
what thickened and obliquely truncate ; the terminal socket which
receives the tarsus being fringed with a serrated margination of
closely- arranged comb-like teeth, and terminating ultimately below
the tarsus in a double curved claw. The tarsus is short and attenu-

122 HOMOTYPHTJS.

ated; the basal and second joints are conical, attenuated at their
base, dilated gradually towards their apex : the third is shorter, sub-
circular, and deeply bilobed; from its base proceeds the terminal
joint, which is broadly inflated into a globular projection covering
entirely the apical claw.

This genus is remarkable on account of its close alliance (with the
single important exception of the form of the maxillary palpi) with
Omototus : the few points of structural difference that present them-
selves prima facie are too few (although, so far as I can ascertain,
constant) to allow, of themselves, this genus to be established sepa-
rately. The rather more parallel and oblong outline, and a slight
variation that can be traced in the form of the tarsi and apex of the
posterior tibiae, are not sufficient, alone, to warrant the formation of
a new genus ; when, however, to these constant but comparatively
slight variations is added the very pronounced contrast of form in the
maxillary palpi, there can be no longer any doubt that the two
groups are really abundantly separate from each other. In the genus
before us, the maxillary palpi are cylindrical, not dilated at the apex,
and in general outline filiform : in Omototus, on the other hand, the
maxillary palpi are broadly incrassated ; the breadth of the penulti-
mate joint exceeds its length, and considerably exceeds the breadth
of the apical joints. "Without, however, a careful examination of the
labial, and, especially, the maxillary palpi, it will be impossible with
certainty to distinguish between the two genera : in general features
they are absolutely identical.

1. Homotyphus lacunosus. (FRONT, fig. 6.)

H. subovatus, rotundatus, robustus, flavo-pubescens, ferrugineus ;
capite brevi, inter oculos transverse foveolato, granulato ; ihorace
transverso, brevi, ad basin oblique depresso, ad apicem medium
longitudinaliter impresso, granulato ; elytris latis, robustis, for-
titer punctato-striatis, ad medium transverse depressis, etiamque
ad basin ; antennis brevibus, ad apicem dilatatis, ferrugineis, art.
6—8 nigro-fuscis ; pedibus subpubescentibus, Jlavis.

Long. corp. 2-| lin., lat. 1|^ lin.

Subovate, rotundate, robust, flavo -pubescent, dark ferrugineous.
Head very short, depressed, not produced in front: eyes distant, slightly
prominent, situate at an appreciable distance from the base : antenna
at their insertion approximate ; above the insertion of the antennae
and between the eyes is an obsolete shallow depression in the form
of the letter T : surface below the insertion of the antennas flavous,
at the base coarsely granulated, ferrugineous, while at the inner

HOMOTYPHUS. 123

margin of the eyes it is clothed with a faint flavous pubescence.
Thorax slightly transverse, rectangular; the sides submarginate ;
the anterior angles extending beyond the base of the head, subacute ;
the surface complanate ; from the middle of the base a broad de-
pression extends on either side obliquely upwards towards the apical
angles ; the anterior and medial surface (being thus slightly raised)
is impressed longitudinally by an obsolete broad fovea ; the surface
is coarsely granulated, and clothed throughout with irregular flavous
subpubescence. Scutellum small, triangular, impunctate, subpu-
bescent, depressed below the surface of the elytra. Elytra broad,
robust, strongly punctate-striate, sulcated : an antemedial broad and
shallow transverse depression gives a prominence to the humeral
angles, while another (halfway between this depression and the
apex) produces two other elevations, one postmedially, and the other
nearer the apex ; along the basal transverse ridge, the space between
the first and fifth striae is distinctly raised ; in the postmedial ridge,
the surface between the second and third, the fourth and fifth, seventh
and eighth is abruptly raised: the surface is clothed throughout
(more or less distinctly) with bright flavous pubescence. Antennae,
short (hardly exceeding half the length of the body), incrassated ;
the first joint broad and dilated ; the second short, ovate, nearly as
broad as the first ; the third, fourth and fifth not quite so long as
the first, attenuated; the sixth to eleventh dilated; the sixth to
eighth dark fuscous, the rest ferrugineous. Legs flavous throughout,
pubescent.

Captured by Mr. Gray and by myself in the forests near Petropolis
(Organ Mountains, Rio Janeiro), February 1857.

2. Homotyphus Vellereus.

H. ovatus, latus, subpubescens, flavo-ferrugineus ; capite brevi, de-
flexo, ad basin antennarum longitudinaliter foveolato ; thorace
transverso, rectilineari, ad basin transverse depresso, punctato,
subtiliter flavo-pubescenti ; elytris latis, punctato-striatis,flavo-
pubescentibus ; antennis (artic. quatuor testaceis) (reliqui desunt) ;
pedibus flams.

Long. eorp. 21 lin., lat. \\ lin.

Ovate, broad, subpubescent, flavo-ferrugineous. Head small, trans-
verse, deflected at right angles to the plane of the thorax, slightly
produced ; above the labrum is a transverse triangular depression ;
above the base of the antennae is an obsolete short longitudinal fovea,
on either side of which (near the inner margins of the eyes) the sur-
face is subdepressed ; eyes large and prominent, extending laterally

124 HOMOTYPHFS.

as far as the anterior angles of the thorax, and situated at some little
distance from the base of the head; the surface finely punctate.
Thorax transverse, rectilinear; the anterior angles subacute and
depressed ; the sides marginate ; at the base is a broad and shallow
transverse depression ; the surface thickly punctate and (when seen
under a high power) finely flavo -pubescent. Scutdlum small, trans-
versely triangular. Elytra much broader than the thorax, robust,
distinctly punctate-striate ; a shallow transverse depression extends
antemedially in an oblique direction towards the shoulders ; the sur-
face is clothed throughout with fine flavous pubescence. Antennae
(probably filiform) ; the four basal joints pale testaceous ; the first
and second joints are robust, and the third and fourth attenuated
(the rest are wanting). Legs flavous throughout ; the globular in-
flation above the posterior claw being bright fulvous.

Brazil ; Minas Geraes. In the collection of M. Chevrolat.

3. Homotyphus fuliginosus.

H. ovatus, latus, rolustus, fusco-pubescens, niger ; capite brevi, inter
oculoSj ad basin antennarum (rufo suffusam], bituberculato,
punctato ; ihorace subquadrato, ad apicem leviter bituberculato,
granulate; elytris latis, striato-punctatis ; antennis ad apicem
dilatatis, fulvis, art. 7m° et Svo nigro-fuscis ; pedibus robustis,
nigro-fulvis ; femoribus posticis fuscis.

Long. corp. 2^ lin., lat. 1-^ lin.

Ovate, broad, robust, fusco-pubescent, black. Head short, trans-
verse, depressed, slightly elongated ; eyes tolerably large : immediately
above the insertion of the antenna are two distinct longitudinal
tubercles ; above them are three obsolete lines of carination, — one
medial, extending nearly to the base, the others obliquely trans-
verse: the surface in front finely punctured, more distinctly and
coarsely at the base ; near the insertion of the antenna suffused with
rufous. Thorax quadrate (slightly transverse), the anterior angles
depressed ; at the apex are two slightly raised tubercles (in form re-
sembling, but very much more obsolete than those of H. tuberculatus) ;
surface granulated, covered with short pubescence. Scutellum small,
almost obsolete, triangular. Elytra broader than the thorax, with
punctures arranged in the form of stria3 (the punctures not so coarse
as in If. tuberculatus) ; the surface is covered throughout with short,
squamose, dark fuscous pubescence. Antennce broad, robust ; from
the seventh to the eleventh joints dilated, fulvous, the seventh and
eighth joints being dark fuscous. Legs robust, dark fulvous, the
posterior femora being fuscous.

Mexico. In the collections of Mr. Fry and the Rev. H. Clark.

HOMOTYPHUS. 125

4. Homotyphus asper. B.M.

H. oblongo-ovatus, latus, sat robustus, fusco etiamque ferrugineo
pilo vestitus, niger ; capite brevi, inter oculos bituberculato, ad
apicem nigro- ferrugineo, ad basin granulato et piceo ; thorace
quadrato, antice subcompresso, punctato; elytris punctato-striatis,
robustis, pilo variegato vestitis (ad medium ferrugineo, ad basin
fusco, ad marginem cinereo, inter se commixtis) ; antennis ad
apicem incrassatis, brevibus, art. 1 et 2 fulvis, 3—5 flavo-fulvis,
6-9piceis, 10 et 11 testaceis ; pedibus nigro-fuscis, tibiis tarsisque
posticis flav is.

Long. corp. 2| lin., lat. 1^ lin.

Oblong-ovate, broad, complanate, irregularly clothed throughout
with fuscous and also dark ferrugineous pubescence ; black. Head
short, depressed, slightly elongated in front ; eyes tolerably large,
situated not quite at the base of the head ; between the eyes (imme-
diately above the base of the antennse) are two tubercles : the sur-
face of the head in front is dark ferrugineous or piceous ; at the base
granulated and dark piceous. Thorax quadrate (slightly transverse),
somewhat compressed in front ; the anterior angles subacute and
depressed ; the surface complanate, punctate, dark piceous, clothed
throughout with ferrugineous pubescence. Scutellum small, trian-
gular, cinereous. Elytra subparallel, coarsely punctate-striate, the
surface between the second and fourth striae (close to the shoulders)
being raised ; clothed throughout with a dense, very short pubescence,
as well as with longer, more erect and isolated hairs ; this pubescence
is mottled throughout — piceous, ferrugineous, and ashy grey: a
transversely-oblique postmedial fascia may be traced more distinctly,
as of a decided tendency to ferrugineous (bounded on either side by
indications of grey), while behind this the predominant shade is
fuscous. Antennae incrassated towards the apex, short, tolerably
robust ; the first joint fulvous, suffused with piceous ; the second
fulvous ; third, fourth and fifth flavo -fulvous ; sixth to ninth piceous ;
tenth and eleventh testaceous. Legs dark fuscous, the posterior tibiae
and tarsi flavous ; the globular inflation over the posterior claw being-
bright red.

This species appears to have a very extended range. I have
examples before me from Mexico, from the Amazon district, and also
from different parts of Brazil ; while among all these examples there
is little or no perceptible variation either in size or in colour of
pubescence.

In the collections of the British Museum, Mr. Baly, Mr. Fry, and
the Rev. H. Clark.

126 HOMOTYPHTJS.

5. Homotyphus squalidus. B.M.

H. oblongo-ovatus, robustus, subpubescens, ferrugineus ; capite sub-
producto, inter oculos bituberculato, punctato ; thorace quadrato,
ad medium bituberculato, squamoso ; elytris latis, robustis, punc-
tato-sir iatis, ferrugineo- et sparsim cinereo-pubescentibus, ad
basin rufo-fuscis ; antennis brevibus, art. 6-10 incrassatis, 1-6
flavis, 7—9 fuscis, 10 et 11 flavo-testaceis ; pedibus robustis,
fusco -ferrugineis.

Long. corp. 2^-2| lin., lat. 1-1| lin.

Oblong-ovate, robust, subpubescent, ferrugineons. Head short,
transverse, slightly produced : between the eyes (immediately above
the base of the antennae) is a broad transverse ridge, divided by a
medial depression so as to form two tubercles ; above this ridge are
three obsolete longitudinal carinations, reaching nearly to the base of
the head : the surface punctate and subpubescent. Thorax quadrate
(slightly transverse) ; the anterior angles depressed ; the sides slightly
marginate ; when viewed laterally, the base appears to be transversely
subdepressed ; the surface in front is raised, and forms medially two
tubercles ; the whole being clothed with thick squamose pubescence,
fusco-ferrugineous, sparingly interspersed with flavous ; the surface
beneath this appears to be coarsely punctate. Scutellum minute,
triangular, flavous. Elytra broader than the thorax, robust, broadly
punctate-striate, clothed throughout with thick, close, mottled pu-
bescence ; pale ferrugineous, being interspersed with ashy-grey ; at
the base the colour is more decidedly rufo- fuscous. Antennae, short,
robust ; the first joint broadly dilated ; the sixth to the tenth incras-
sated ; first to sixth flavous ; the base of the sixth and seventh to
ninth fuscous ; tenth and eleventh flavo-testaceous. Legs robust,
fusco-ferrugineous throughout.

This species differs from H. tuberculatus by its considerably smaller
size, and from H. fuliginosus by the more ashy colour of its pubes-
cence, as well as by the coloration of the antennae ; from H. asper it
may be recognized by the three obsolete longitudinal carinations at
the base of the head, and from H. nodosus by the raised transverse
carination immediately above the base of the antennae.

Mexico. In the collection of the British Museum.

6. Homotyphus holosericeus. (TAB. Y. fig. 1.)

H. suborbicularis, subpubescens, flavus ; capite depresso, inter oculos
foveolato, punctato ; ihorace transverso (pcene quadrato), ad basin
transverse depresso, Jlavo-pubescenti; elytris subglobosis,punctato-
striatis, pubescentibus, ad latera duabus maculis (et ad apicem

HOMOTTPHUS. 127

fascia) suffusis, flavo-testaceis ; antennis flavis, art. 7, 8 et 11
fusco-flavis ; pedibus flavis.

J «/ JL J

Long. corp. 2 tin., lat. 1-^ tin.

Ovate, suborbicular, subpubescent, flavous. Head short, and hardly
produced ; below the base of the antennae is a transverse triangular
impression ; between the eyes is an obsolete T-shaped fovea ; eyes
tolerably large, globose, situated at the base of the head ; surface
punctate. Thorax transverse (almost quadrate), rectangular; the
anterior angles depressed and subacute ; at the base is a broad trans-
verse postmedial depression : the surface is finely but thickly pubes-
cent, flavous ; at the margins more distinctly flavo-pubescent. Scu-
tellum obsolete, flavous. Elytra subglobose, considerably broader
than the thorax, punctate-striate, thickly clothed throughout with
pubescence ; flavous, with two suffused transverse bands (which be-
come obsolete near the suture) and another near the apex (which is
continued throughout) flavo-testaceous. Antennce filiform, tolerably
robust, flavous, with the seventh and eighth and also the eleventh
joints fusco-flavous. Legs flavous throughout.

From the nighbourhood of Rio Janeiro. In the collection of
Mr. Fry.

7. Homotyphus maculicornis.

H. oblongo-ovatus, latus, robustus, subtiliter pubescens, punctatus,
nigro-ferrugineus ; capite transverse, supra basin antennarum
bituberculato, ad basin granulato ; rufo-ferrugineo, ad basin
piceo ; thorace quadrato, subcequato, granulato ; elytris latis,
punctato-striatis, punctis sat magnis, fulvo- et nigro-pubescenti-
bus; antennis ad apicem subincrassatis, articulis \-5flavis, 7-9
fuscis, 10 et Y\. flavis ; pedibus robustis, fuscis.

Long. corp. 2^ tin., lat. 1-J- tin.

Oblong-ovate, broad, robust, finely pubescent, deeply punctate, of a
dark ferrugineous colour throughout. Head transverse, deflected and
slightly but broadly produced in front ; between the labrum and the
base of the antennae the surface is transversely depressed ; immediately
above the base of the antennae are two minute but very distinct
tubercles, above which the surface is coarsely granulated : eyes tole-
rably large, situated at the base of the head, extending laterally not
quite so far as the anterior angles of the thorax : the surface (except
at the base) is glabrous and rufo-ferrugineous ; at the base darkly
piceous. Thorax broader than the head, transverse, rectangular, at
the sides very finely marginate ; the surface (when compared with
other species in this group) is almost equate ; two almost obsolete

128

HOMOTYPHT7S.

tubercles are observable medially, near the anterior margin, while
on either side of these, adjoining the anterior angles, is an indistinct
depression ; near the basal angles, also, are two other obsolete de-
pressions: the surface (when viewed under a high power) is very
sparingly clothed with pubescence, and coarsely granulated. Scutel-
lum small, triangular, rounded at the apex, impunctate, and fuscous.
Elytra much broader than the thorax, robust, punctate-striate, the
stria? being very indistinct, and near the suture obsolete, while the
punctures are very large and deep : the surface is clothed with a close
and very fine pubescence of a fulvo-ferrugineous colour, mottled
throughout irregularly with ashy grey, and at the sides and base
more distinctly fulvous. Antennce incrassated at the apex ; the first
joint being long and dilated ; the second much shorter and narrower ;
the third, fourth, and fifth of equal length, longer and slightly nar-
rower than the second ; the sixth to the eleventh short and dilated,
broader than the first and shorter than the second : in colour the first
to the fifth are flavous, the first being suffused with fuscous, and the
fourth and fifth and also the base of the sixth testaceous ; the seventh,
eighth, and the apex of the ninth darkly fuscous ; the tenth and
eleventh testaceous. Legs robust, fuscous throughout.

This species may be distinguished from H. squalidus not only by
its more close and differently coloured pubescence, but by the obso-
lete striae on its elytra, which in the latter species are well-defined.

Mexico. From the collection of M. Chevrolat.

8. Homotyphus Wollastonii.

H. ovatus, latus, subdepressus, fulvo-ferrugineus ; capite granulato,
subpubescenti, Jlavo-rufo ; thorace transverse, rectangulari, ad
basin subdepresso, granulaio,flavo-rufo; elytris Jatis, punctato-
striatis, fulvo-ferrugineis; antennis ad apicem subincrassatis,
testaceis, art. 7-11 (subincrassatis} rufo-testaceis ; pedibus flavis.

Long. corp. If lin., lat. f~l lin.

Ovate, broad, subdepressed, subpubescent, fulvo-ferrugineous.
Head short, abruptly transverse, hardly produced ; above the labrum
is a transverse, triangular, slightly elevated plane (black) ; above the
base of the antennae (which are contiguous) is an obsolete fovea, in
the form of the letter Y : eyes situated at the base of the head, and
extending laterally as far as the anterior angles of the thorax : the
surface is finely granulated, pubescent, and flavo- rufous. Thorax
small when compared with the breadth of the elytra, transverse,
rectangular ; the sides slightly marginate and parallel ; at the base
are two broad subdepressions ; the surface is granulated, finely

129

pubescent and flavo-rufous. Scutellum small, triangular, rufous. Elytra
broad, subdepressed, punctate-striate, the punctures being concealed
by a very fine ferrugineous pubescence. Antennce short, attenuated,
subincrassated towards the apex ; the first joint long, dilated at the
apex and reflected backwards ; the second broad, short, ovate ; the
third to the sixth long and fine (the fourth to the sixth being of
equal length and shorter than the third) ; seventh to eleventh short
and subincrassated ; the colour of the first to the sixth testaceous,
seventh to eleventh rufo-testaceous. Legs flavous ; the globular in-
flation over the posterior claw being brightly rufous.

Bahia. In the collection of the Rev. H. Clark.

Genus 18. JEDMON*.
LABEUM breve.
PALPI MAXILLARES elongati, cylindrici, art. penultimo robusto.

ANTENNAE subincrassatce, pubescentes, art. 3-5 brevibus, attenuates,

6-11 gradatim dilatatis.
OCTJLI ad basin capitis positi.
CAPUT breve, fere verticale.
THOKAX transversus, angulis anterioribus distinctis, lateribus ad basin

ELYTRA lata, robusta, ad latera subrotundata.

PEDES : tarsis anterioribus brevibus (art. 1 et 2 subcequalibus) ; tibiis
posticis apicem juocta unidentatis.

Labrum shorter than the base of the head, subcircular.

Maxillary palpi (Tab. V. fig. 2 m) elongate, cylindrical ; the
second joint short, obliquely truncate at the apex ; the penultimate
joint cylindrical, robust, the length being nearly three times the
breadth ; the apical joint minute and conical.

Labial palpi (destroyed in the single example of this genus be-
fore me).

Antennce robust, subincrassated, clothed throughout sparingly with
pubescence ; at the apex of each joint are two or three rigid hairs
(larger than the others) which project at almost right angles ; the
first joint is subrotundate, broad, and elongate ; the second of the
same form, but smaller ; the third to the fifth are subequal in length,
shorter and considerably more attenuated than the first ; the sixth
to the eleventh are gradually incrassated towards the apex, and
shorter: the antennse, as to their insertion, are approximate, and

* ai'&is, verecundia.

130 .EDMON.

situated between the lower margins of (not below) the eyes ; eyes
large, lateral, situated at the base of the head, and extending late-
rally nearly as far as the anterior angles of the thorax.

Head short, transverse, inclined, but not abruptly, at right angles
to the plane of the elytra, impubescent.

Thorax transverse, slightly broader than the head ; the anterior
angles are distinct and depressed ; the sides are marginate and sub-
constricted towards the base.

Scutellum small, triangular.

Elytra broad, robust, slightly rounded at the sides, the greatest
breadth being near the middle, punctate-striate, clothed throughout
with fine pubescence.

Legs : the anterior femora robust (constricted at the base), broadly
truncate at the apex. The tibice are abruptly inflected at the im-
mediate base, gradually thickened towards the apex. The tarsi are
short and sufficiently broad ; the first and second joints are trian-
gular, of equal breadth with the base of the tibia, the second joint
being rather smaller than the first ; the third joint is broader, sub-
circular, slightly bilobed, and fringed with a margin of thick rigid
pubescence ; the apical joint is longer than the third, narrow, and
inflected and gradually incrassated towards the apex: the claw is
bifid, and armed at its inner surface with a broad tooth. The poste-
rior femora are broadly dilated, gradually tapering towards the apex.
The tibia (Tab. Y. fig. 2g) is short and robust, thickened towards the
apex ; immediately in front of the insertion of the tarsus, the margi-
nation of the posterior flattened side is produced into a distinct spur-
like projection; the apex is obliquely truncate, and armed at its
extremity with a single incurved and strong tooth. The tarsus is
elongated and narrow, the basal joint being longer and somewhat
broader than the rest, triangular in form ; the second is of the same
form as the first ; the third is minute and almost circular ; from its
centre proceeds the insertion of the ultimate joint, which is narrow,
and produced into a globular inflation above the terminal claw.

The single example from which I have formed this genus presents
abundantly distinguishing characteristics. The form of its maxil-
lary'palpi (elongate and cylindrical, not dilated) separates it at once
from other subsequent genera, to which, in facies, it seems to be
related ; while the peculiar form and hirsute antennae, and the spur
near the apex of the posterior tibia, as well as the relative lengths of
the joints of the tarsus (without any reference to its general facies),
forbid its being placed in any of the groups to which, by the form of
its palpi, it is most nearly allied.

PLET7ROCHROMA. 131

1. JEdmon sericeUum. (TAB. Y. fig. 2.)
King (ami. Chevr. Coll.).

JSt. oblong o-ovatum, subparallelum, sat robustum, pubescens, flavo-
testaceum ; capite brevi, ad basin antennarum T foveolato, punc-
tato ; thorace transverso, ad basin depresso, punctato ; elytris
punctato-striatis, ante medium transverse depressis, flavo-pubes-
centibus ; antennis robustis, ad apicem incrassatis, flavis, articulis
10 et llfuscis; pedibus flavis.

Long. corp. f lin., lat. f lin.

Oblong-ovate, subparallel, tolerably robust, finely pubescent, flavo-
testaceous. Head short, transverse, hardly produced ; immediately
above the base of the antennae is a medial longitudinal fovea, which
is terminated at its upper extremity by a transverse channel extend-
ing at right angles to it between the eyes, these channels forming
together the character of the letter T. : eyes large, black, situated at
the base of the head, extending laterally not quite so far as the an-
terior angles of the thorax : the surface finely punctate throughout.
Thorax transverse, the anterior angles depressed, the sides margi-
nate; at the base is a shallow transverse depression; the surface
finely punctate throughout. Scutellum triangular. Elytra some-
what broader than the thorax, subparallel, distinctly punctate-striate ;
an antemedial transverse depression gives an appearance of promi-
nence to the base ; the surface is clothed throughout with fine and
sparingly distributed flavous pubescence. Antennae robust, somewhat
incrassated towards the apex, clothed distinctly with several hairs of
unequal length at right angles to the joints of the antennae ; the first
joint longer than any of the others, and dilated at its apex ; the.
second broad, short, ovate ; the third to the sixth of equal length,
not longer than the second, and attenuated ; the seventh to the eleventh
short and dilated ; in colour, the first to the ninth flavous, the tenth
and eleventh fuscous. Legs flavous throughout.

Porto Rico. In the collection of M. Chevrolat.

Genus 19. PLEUROCHROMA*.

robustce, simplices.

PALPI MAXILLAEES elongati, flliformes, hand dilatati, art. penultimo

subincurvo, ultimo minuto.
PALPI LABIALES quam maxillares latiores.
AMTENKas breves, ad apicem subincrassatce.
CAPUT breve, verticale, plerumque inter oculos depressum.

* TrXevpd, latus ; X|0u>/wa, color.

K2

132 PLEUROCHROMA.

THORAX transversus, latus, rectangularis, glaber.

ELYTRA parallela, lata, robusta, plerumque punctato-striata, et Icete

colorata, glabra.
PEDES : tibiis posticis brevibus, simplicibus, ad apicem, a posteriori,

marginatis et subsinuatis.

Labrum short, subcircular in outline.

Mandibles robust, simple.

Maxillary palpi (Tab. Y. fig. 3 m) elongate, filiform, not dilated ;
the second joint is short, transversely truncate at the apex ; the
third elongate, slightly incurved, the length being three times the
breadth ; the ultimate joint is minute and conical.

Labial palpi (Tab. Y. fig. 3w) perceptibly broader than the maxil-
lary, acuminated.

Antennas approximate, situated below and between the inner mar-
gins of the eyes, robust, short, incrassated at the apex ; the basal
joint broad and elongate; the second narrower, short, ovate; the
third to the fifth narrow at their base, dilated towards the apex,
narrower and longer than the second; the sixth to the eleventh
slightly broader, shorter, transverse at the apex and rounded at the

Eyes lateral, situated at the base of the head, subglobose.

Head short, transverse, depressed at right angles to the plane of
the elytra, narrower than the thorax, not produced in front, generally
obliquely or transversely depressed between the eyes ; impubescent,
glabrous.

Thorax transverse, rectangular, rectilinear, the anterior angles
depressed, the sides depressed and marginate ; equate ; impunctate,
glabrous.

Scutellum large, triangular, impunctate.

Elytra broader than the thorax, short, robust, subdepressed, the
sides somewhat dilated medially; generally punctate-striate, gla-
brous.

Legs : anterior femora robust, slightly dilated towards the middle.
The tibice are short, incurved abruptly at the immediate base, gra-
dually and slightly thickened towards the apex. The tarsi are short
and broad ; the basal and second joints being of subequal length ;
the third broader and slightly bilobed, the margin being fringed with
a rigid and thick pubescence; the terminal joint is narrow and
slightly incurved, and dilated towards the extremity : the claw is
bifid and simple. The posterior femora are short, incrassated, and
rounded at their upper margin. The tibice (Tab. Y. fig. 3g) are
short, not incurved, gradually but slightly thickened towards the
apex ; the posterior outline above the insertion of the tarsus is sub-

PLET7EOCHROMA. 133

sinuate (not armed with a distinct spur), and obliquely truncate at
the apex. The tarsi are short and attenuated ; the two basal joints
minute and triangular ; the third subcircular, and the fourth elon-
gated, and dilated at its extremity into a globular inflation, which
completely conceals from above the terminal claw.

This pretty little group of insects readily separates itself from all
others : its broad depressed surface (not subglobose, as in Leptotrichus
or Homotyphus) and its more filiform antennae at once abundantly
distinguish it ; it differs also materially in the form of the maxillary
palpi, which are somewhat more elongate than in Homotyphus and
decidedly shorter than in Leptotrichus ; its general facies is depressed,
subparallel, broad, impubescent, and brightly coloured. From Pan-
chrestus it differs in its less globose body, in the form of its antennae,
and in its simple, unarmed posterior tibiae.

1. Pleurochroma balteatum. (TAB. Y. fig. 3.)

P. oblongo-ovale, robustum, subcylindricum, nigrum, nitidum; capite
brevi, d&presso, inter oculos rugoso, ad basin punctulato, nigro-
rufo ; thorace transverso, antice subcoarctato , subpunctato, et obso-
lete vermiculato, nigro-rufo ; elytris latis, punctato-striatis, ad
apicem obsolete punctatis, nigris, vitta media transversa rufa ; an-
tennis brevibus, ad basin rufis, ad apicem fuscis ; pedibus rufo-
testaceis.

Long. corp. 2 lin., lat. 1 lin.

Oblong-oval, robust, subcylindrical, black, shining. Head short,
depressed, not produced ; eyes tolerably large, situated at the back
of the head, not extending laterally as far as the line of the margin
of the thorax ; the surface between the eyes rugose, above sparingly
punctate, dark rufous. Thorax not quite so broad as the elytra,
transverse, rectangular, slightly coarctate in front; the anterior
angles depressed ; sides marginate ; the surface equate, subpunctate,
with short minute impressed lines thickly interspersed among the
punctures ; dark rufous. Scutellum triangular, rufous. Elytra some-
what broader than the thorax, subcylindrical, with rows of punc-
tures arranged in the form of striae (these punctures become obsolete
towards the apex) ; black, with a broad transverse medial band of
rufous extending from the margination and slightly widening as it
approaches the suture. Antennce short, subclavate, at the base ru-
fous, towards the apex fuscous. Legs rufo-testaceous.

From the district of the Amazon. In the collections of Mr. Baly,
Mr. Bates, and the Rev. H. Clark.

134 PLEUfiOCHROMA.

2. Pleurochroma nitidulum.

P. oblongo-ovale, breve, robustum, nigrum ; capite brevi, inter oculos
T foveolato, punctato, rufo ; thorace transverse, rectangulari, sub-
punctato, rufo ; elytris robustis, striato-punctatis, nigris, nitidis ;
antennis subincrassatis, robustis, flavis, ad apicem fuscis ; pedi-
busflavis.

Long. corp. 2i lin., lat. 1| lin.

Oblong-oval, short, robust, black. Head short, narrower than the
thorax, transverse, depressed, slightly elongated; eyes large; be-
tween the eyes, and above the base of the antennae, is a shallow T--
shaped depression; the surface punctate, rufous. Thorax broader
than the head, but distinctly narrower than the elytra, equate,
transverse, rectangular ; the anterior angles depressed, sides margi-
nate ; surface finely punctate, rufous. Scutellum triangular, fuscous
and rufous. Elytra broad, robust, slightly rounded at the sides,
with rows of punctures arranged as stria3 (these punctures become
obsolete towards the apex); black, shining. Antennae, short, sub-
clavate, robust; at the base flavous, at the apex fuscous. Legs
flavous.

This species differs from the preceding by the form and sculpture of

the thorax, and also by the absence of the rufous band on the elytra.

Amazon district. A single specimen, in the collection of Mr. Baly.

3. Pleurochroma pallidum.

P. oblongo-ovale, robustum, subcylindricum, rufum; capite brevi, de-
presso, super antennarum basin longitudinaliter depresso, punc-
tato ; thorace transverso, ad apicem constricto, vermiculato ; ely-
tris latis. striato-punctatis ; antennis brevibus, subclavatis, ad
basin fulvis, ad apicem fuscis ; pedibus rufo-testaceis.

Long. corp. 2i lin., lat. 1 J lin.

Oblong-oval, short, robust, subcylindrical, rufous throughout.
Head short, depressed, not produced ; eyes large, extending laterally
not so far as the sides of the thorax ; above the insertion of the an-
tenna3 is a longitudinal depression, dividing into two parts a trans-
verse slightly raised plane, which is smoother than the rest of the
head ; surface punctate. Thorax transverse, rectangular, somewhat
compressed towards the apex ; the anterior angles depressed, sides
marginate ; the surface smooth, vermiculate (with short irregular
impressed lines). Scutellum triangular. Elytra broad, rounded at
the sides, with punctures arranged in the form of striaB ; these punc-
tures become obsolete towards the apex. Antenna? short, subclavate ;

LEPTOTKICHUS. 135

at the base fulvous, at the apex fuscous. Legs rufo-testaceous
throughout.

From the Amazon district. A single specimen, in the collection of
Mr. Baly.

Genus 20. LEPTOTBICHUS*.

PALPI MAXILLAEES elongati et attenuati, art. penultimo cylindrico.
PALPI LABIALES robustiores, art. 2nd0 lato et ad apicem oblique truncato.
ANTENNA dilatatce, articulo tertio brevi, subpubescentes.
CAPUT breve} transversum, Tiaud productum, verticale.
THORAX inclinatus, subconvexus, transversus, latus.
ELTTEA robusta, brevia, subcylindrica.

PEDES: tibiis posticis ad mar ginationem posterior em inarmatis, in cal-
car ad apicem productis.

Labrum narrow, subcircular.

Maxillary palpi (Tab. Y. fig. 4 m) elongate, much more so than
in Pleurochroma, and attenuated ; the basal joint minute ; the second
slightly dilated towards the apex (which is obliquely truncate), the
length being nearly double the breadth ; the penultimate joint is
nearly double the length of the second, and almost cylindrical ; the
apical joint is minute and conically elongate.

Labial palpi (Tab. Y. fig. 4 n) more robust than the maxillary,
the second joint being broad and (apparently) obliquely truncate
both at the base and apex ; the apical joint minute.

Antennae approximate, situated at the inner and lower margin of
the eyes ; broadly incrassated, more distinctly so than in Pleurochroma
or Homotyphus ; the basal joint elongate, dilated gradually towards
the apex, and inflected outwards; the second almost as broad as
the first, short, ovate ; the third is attenuate, not so long as the first,
slightly thickened at the apex ; the fourth is of the same form as,
but shorter, and a trifle more robust than the third ; from the fifth to
the tenth the joints are shorter, very robust, transverse, and abruptly
truncate ; the apical joint is narrower and more elongate ; the whole
are clothed with a short thick pubescence.

Eyes not quite so prominent as in the preceding genera, lateral,
situated at the base of the head, and extending laterally not so far
as the anterior angles of the thorax.

Head short, transverse, not produced (but subattenuated) in front,
depressed at right angles to the plane of the elytra.

Thorax broader than the head, robust, inclined, depressed at the
* XeTrros, tenuis ; 9pl%, coma.

136 LEPTOTKICHTJS.

anterior angles and the sides ; more convex than in the preceding
genus ; in form transverse, slightly compressed in front, comparatively
much broader than in the next genus.

ScuteUum broadly triangular, pubescent.

Elytra robust, short, subcylindrical, much more robust and broader
than the thorax ; more convex than in the preceding genus.

Legs : anterior femora short, robust, slightly dilated medially. The
tibice are short, inflected abruptly at their immediate base, somewhat
thickened towards the apex. The tarsi are sufficiently broad ; the
two basal joints subelongate and triangular (the second being smaller
than the first) ; the third is transversely subcircular, deeply bilobed,
and margined with a deep, dense fringe of rigid pubescence ; the
apical joint is attenuate and gradually thickened, as well as in-
flected towards the apex : the terminal claw is bifid, and armed at
the inner surface with an obsolete basal tooth. The posterior femora
are, when viewed transversely, broadly incrassated, short, rounded
at the upper surface, extending nearly to the apex of the elytra. The
tibice are short, robust, inflected at the immediate base, slightly
attenuated medially ; at the apex broadly obliquely truncate, and at
the angle of truncation slightly dilated ; the socket which receives
the base of the tarsus is simple (not armed with comb-like teeth),
and produced apically into a single well- developed spur. The tarsus
is inserted at some little distance from the apex of the tibia, short,
and much narrower than those of the anterior feet ; the first and
second joints are triangular in form and elongate; the third not
broader, subcircular, and almost bilobed ; the last joint is attenuated,
and produced apically into a broadly inflated globular projection,
which completely conceals from above the terminal claw.

This genus may be distinguished from all allied to it, by its
distinctly elongated maxillary palpi, and also by its robust body and
dilated antennse from the preceding genus.

1. Leptotrichus castaneus. (TAB. V. fig. 4.)

L. ovatus, robustus, latus, castaneus, Jlavo-pubescens ; capite antice
foveolato; thorace transverso,punctato, ad laterajlavo-pubescenti ;
scutello pubescenti ; elytris robustis, punctatis, ad apicem latera-
que pubescentibus ; an,tennis validis, fortiter incrassatis, art. 1-5
flavis, 6—11 nigris ; pedibus Jlavis.

Long. corp. 21 lin., lat. 1| lin.

Ovate, short, robust, castaneous, flavo-pubescent. Head short,
not produced ; below the base of the antennae is a transverse trian-
gular depression ; above the base, between the eyes, is an obsolete
T-shaped fovea (forming within it two slight elevations) ; surface

PANCHRESTUS. 137

punctate, impubescent. Thorax broadly transverse, the upper sur-
face subcylindrical ; the anterior angles much depressed ; the surface
distinctly punctate, at the sides flavo-pubescent. Scutellum trian-
gular, thickly pubescent. Elytra robust, broad ; on either side is an
antemedial transverse depression, which does not reach the suture ;
surface punctate, the punctures being less distinct at the apex and
arranged in the form of strise ; at the apex and sides flavo-pubescent.
Antennae short, robust, broadly incrassated towards the apex ; the
first joint is long, deflected outwards, and dilated at the extremity;
the second broad, short, ovate; the third and fourth slender, not
equal in length to the first ; the sixth to tenth broadly dilated ; the
first and second flavous, third to fifth flavo- testaceous, sixth to
eleventh black. Legs flavous.

From the neighbourhood of Ega, River Amazon. In the collections
of Mr. Bates and the Rev. H. Clark.

Genus 21. PANCHRESTUS*.
PALPI MAXILLARES cylindrici, robusti, haud attenuati.
PALPI LABIALES breves, ovati.

ANTENNA sat robustce, dilatatce, art. 3tio et I"0 cequalibus.
CAPTJT breve, subproductum, plerumgue verticale.

THOEAX transversus, interdum ad latera angulatus, plerumque punc-
tatus, aut granulatus.

ELYTRA robusta, plerumque ante medium transverse depressa, punctato-
striata, interdum obsolete pube vestita.

PEDES: tibiae posticce simplices, hand dente armatae, breves.

Labrum narrow, more contracted than the base of the head, trans-
verse, and rounded at the margins.

Maxillary palpi (Tab. Y. fig. 5 m) elongate, but medially some-
what more dilated, and altogether shorter and more robust than in
the preceding genus ; the penultimate joint is almost as broad as
it is long, and the terminal joint broader at the base and less atte-
nuated than in the genus Leptotrichus.

Labial palpi (Tab. V. fig. 5 n) short, ovate.

Antennae approximate, situated between and below the inner
margin of the eyes, sufficiently robust, medially dilated, not so broadly
as in the preceding genus ; the basal joint is long, dilated medially
and towards the apex; the second shorter and narrower, ovate,
transversely truncate at the apex; the third attenuated, longer
(slightly) than the first (in the preceding genus this joint is distinctly

* TTUV, omninoj xprjarbs, bonus.

1 38 PANCHRESTUS.

shorter than the basal joint) ; the fourth equal in form to, but shorter
than, the third ; the fifth to the eleventh of equal length with, but
much broader than, the fourth ; the ultimate joint being attenuated.

Eyes large, globose, lateral, distant, situated at the base of the
head, and extending laterally almost as far as the anterior angles of
the thorax.

Head short, transverse, somewhat produced in front, inclined at
right angles to the plane of the elytra.

Thorax broader than the head, transverse, narrower in proportion
and less robust than in the preceding genus; the sides depressed,
marginate, and more or less obsoletely subsinuate in outline (occa-
sionally dentate) ; for the most part deeply punctate or granulated,
and very finely pubescent or glabrous.

Scutellum small, triangular, depressed below the plane of the
elytra, sometimes apparently obsolete.

Elytra robust, broader than the thorax, not so convex as in the
preceding genus ; an antemedial transverse depression gives a pro-
minence to the anterior angles ; the surface is punctate-striate, and
in most cases covered sparingly with obsolete pubescence.

Legs : anterior femora subcylindrical, straight, hardly dilated me-
dially. The tibice are abruptly incurved at the immediate base,
straight, gradually but slightly thickened towards the apex. The
tarsi are short ; the first joint elongate, triangular ; the second
shorter but somewhat broader than the first ; the third much broader,
subcircular in form, and slightly bilobed ; the apical joint is not so
elongate as in other genera, attenuate, slightly incurved, and in-
crassated towards the terminal claw, which is bifid and simple (a
rudimentary tooth (almost obsolete) may be traced at the base of the
inner surface). Posterior femora incrassated (when viewed from
the side), ovate, gradually tapering towards the apex ; the surface
near the apex being subsinuate in outline, or hollowed out, near the
insertion of the tibia. The tibia is short, straight, slightly incrassated
at the extreme apex, where it is obliquely truncate, terminating
below the insertion of the tarsus in a single, strong incurved spur.
The tarsus is short and attenuated; the two first joints are trian-
gular, broadly truncate at the apex ; the third subcircular, broader
than the basal joints, bilobed, and fringed at its margin with dense
rigid pubescence ; the apical joint is dilated into a globular inflation
covering the ultimate claw.

This genus, more closely allied to the latter (Leptotrichus) than to
any others, may be readily separated from it by its less convex form,
less elongated and attenuated palpi, by its narrower thorax, and less
incrassated form of antennae.

PANCHRESTTJS. 139

1. Panchrestus pulcher.

P. ovatus, robustus, subpubescens, rufus, nitidus ; capite brevi, antice
subproducto, subtiliter granulato ; ihorace transverse, ad latera
obsolete dentato, crebre punctato ; elytris brevibus, robustis, striato-
punctatis, sparsim fulvo-pubescentibus ; antennis brevibus, ad
apicem incrassatis, art. \-5flavis, 6-11 nigris; pedibus pallide
rufis autflavis.

Long. corp. 2^ lin., lat. 1^ lin.

Ovate, robust, subpubescent, bright red, shining. Head short, de-
pressed (almost vertical), produced in front ; labrum black ; eyes tole-
rably large, distant, situate at the back of the head, and extending
laterally nearly to the anterior angle of the thorax ; surface closely
granulated and rufous. Thorax transverse ; the anterior angles de-
pressed ; the sides marginate and irregular in outline, projected ante-
medially in the form of a tooth ; surface coarsely and thickly punc-
tured. Scutellum very small. Elytra short, broad, robust, with
punctures arranged in the form of striae, bright rufous, clothed very
sparingly with fulvous pubescence. Antennae short, robust, incras-
sated towards the apex ; joints first to fifth flavous or fusco-flavous ;
sixth to eleventh considerably incrassated and black. Legs pale red
or flavous throughout.

I cannot but feel it to be probable that this insect may (with others
hereafter to be discovered) constitute a separate genus : in its abbre-
viated form (its transverse thorax and robust elytra), coupled with
its short and incrassated antenna?, and the peculiar vertical form of
the head (which approaches to Loxoprosopus), not to mention the
lateral angular projection in the margination of the thorax, it pre-
sents several points of difference from its allies.

From the district of the Amazon. Collected by Mr. Bates.

2. Panchrestus rubicundus. B.M.

P. ovatus, robustus, rufus, subpubescens ; capite brevi, inter oculos
oblique foveolato ; thorace crebre punctato ; elytris valde punctato -
striatis, subpubescentibus ; antennis ad apicem dilatatis, art, 1—5
testaceis, -'6-11 nigro-fuscis ; pedibus testaceis.

Long, corp, 2 lin., lat. 1 lin.

Ovate, broad, robust, rufous, subpubescent. Head short, slightly
depressed ; eyes large, somewhat prominent ; below the base of the
antennae is a transverse triangular depression ; immediately above
the antennae is an obsolete, obliquely transverse fovea, in the form of
the letter V ; surface thickly punctured. Thorax transverse ; the

140 PANCHRESTTJS.

anterior angles depressed; the sides marginate; surface thickly
punctate, subpubescent. Scutellum triangular. Elytra broad, robust,
coarsely punctate -striate, more obsoletely towards the apex (the
striae being broader and the punctures deeper than in P. pulcher),
subpubescent (but more distinctly pubescent than in pulcher) ; a slight
antemedial depression extends transversely behind the shoulders.
Antennce tolerably robust, short, dilated towards the extremity ; the
joints first to fifth pale testaceous, sixth to eleventh dark fuscous.
Legs testaceous throughout.

This species closely resembles P.pulcher, appearing at first sight to
be merely a pale and small variety of that species ; it is, however,
distinctly separated (as well as by its smaller form and paler colour)
by the form of its head, which is less produced and more attenuated
towards the labrum ; by the punctuation on the elytra, which is more
distinct and deep ; by the general subpubescent (instead of glabrous)
character of its surface ; and by the disposition of colouring on the
antennae, the transition being abrupt from testaceous to fuscous, and
not suffused as in the case of P. pulcher.

Ega (Eiver Amazon). In the collection of Mr. Bates, and also
in that of the British Museum.

3. Panchrestus inconspicuus. (TAB. Y. fig. 5.)

P. oblongo-ovalis, fusco-rufus, subpubescens ; capite (inter oculos)
foveolato ; ihorace crebrepunctulato ; elytrisrobustis, leviter punc-
tato-striatis ; antennis ad medium dilatatis, art. 1—4 ferrugineis,
5-8 dilatatis, nigris, 9 testaceo., 10 et 11 nigris ; pedibus fusco-
rufis.

Long. corp. 2 lin., lat. 1 lin.

Oblong-ovate, tolerably robust, fusco-rufous, subpubescent. Head
small, short, produced, attenuated near the mouth ; eyes large, pro-
minent, but not extending laterally as far as the angles of the thorax ;
immediately above the base of the antennae is a short medial fovea,
produced (when viewed from the front) in the form of an obsolete
carination to the base of the head ; at the inner margin of the eyes
is also an oblique depression, which (in conjunction with the medial
line) gives an appearance of elevation to the intermediate surface.
Thorax transverse, rectangular; the anterior angles slightly de-
pressed ; the sides marginate ; at the base is a slight depression, ex-
tending obliquely upwards towards the anterior angles ; the surface
finely and thickly punctate, subpubescent, especially towards the
sides. Scutellum small, triangular. Elytra robust, finely punctate-
striate (more obsoletely towards the apex), subpubescent, especially

PANCHRESTUS. 141

at the apex and sides. Antennae robust, incrassated towards the
middle ; joints first to fourth ferrugineous, fifth to eighth (which
are dilated) black, ninth testaceous, tenth and eleventh black. Legs :
the posterior femora short and broadly dilated ; the colour through-
out fusco -rufous.

From the neighbourhood of Santarem (River Amazon). Taken by
Mr. Bates.

4. Panchrestus rnfescens. (TAB. Y. fig. 6.) B.M.

P. latus, robustus, subpubescens, punctatus, rufo-ferrugineus ; capite
punctulato ; thorace transverse, angulis anticis subacutis, ad
latera marginato et (ad medium} angulato, angulis posticis obli-
que truncatis, punctato ; elytris striato-punctatis ; antennis ro-
bustis, ad apicem subdilatatis, flavis, art. 6-11 piceis ; pedibus
testaceis, femoribus posticis rufo-flavis.

Long. corp. 2 lin., lat. 1 lin.

Ovate, broad, parallel, subpubescent, punctate, of a pale rufo-
ferrugineous colour throughout. Head short, hardly produced in
front ; above the labrum is a transverse triangular depression ; above
the base of the antennae, between the eyes, is an obsolete Y-shaped
fovea ; eyes globose, oval, lateral, situated at the base of the head ;
the surface of the head is finely punctate. Thorax transverse, slightly
broader than the head ; the anterior angles are depressed and sub-
acute ; the sides marginate, the margination being produced ante-
medially and laterally into a distinct angle (somewhat resembling in
form the genus Octogonotes) ; the posterior angles are distinctly ob-
liquely truncate ; at the base is an obsolete subcircular depression ;
the surface is coarsely impressed with shallow punctures. Scutellum
triangular, impunctate, situated below the plane of the elytra, testa-
ceous. Elytra broad, parallel, antemedially transversely depressed,
punctate, sparingly flavo-pubescent. Antennce robust, subincrassated
towards the apex ; the joints three to five are subequal in length and
attenuated, the rest short and slightly dilated; flavous, the joints
six to eleven being piceous. Legs testaceous, the posterior femora
and inflation of the apical claw being rufo -flavous.

This species differs from P. rubicundus in its paler colour, its gla-
brous elytra, and the character of the punctuation on its elytra, which
is not so coarse and less frequent ; from P. quicker it differs by its
distinct (not obsolete) punctuation, while from P. inconspicuus it may
readily be separated by the angular margination of its thorax.

A single specimen, taken by Mr. Bates at Santarem, in the district
of the Eiver Amazon, is in the collection of the British Museum.

142

HYLODKOMUS.

Genus 22. HYLODROMUS*.

PALPI MAXILLAEES breves, sat robusti, art. apicali hand elongate.
ANTENNAE dilatatce et subcomplanatw, art. 3-6 incrassatis et brevibus,

art. 7-11 elongatis et filiformibus.
CAPFT breve, verticale, antice subproductum.
THORAX transversus, ad basin constrictus et transverse depressus.
ELYTRA sat lata, robusta, depressa (haud conveoca).
PEDES : tibiis posticis sensim dilatatis, et ad apicem ipsum bicalcaratis ;

tarsis brevibus.

Labrum transverse, sinuate, narrow.

Maxillary palpi (Tab. V. fig. 7 m) short, tolerably robust ; the
penultimate joint cylindrical and short ; the terminal joint rounded,
not attenuated.

Labial palpi (Tab. V. fig. 7 n) obscure in the single example of
this genus before me.

Antennce very remarkably incrassated and flattened ; the basal joint
long, dilated towards the apex and inflected outwards ; the second
very short, ovate ; the third to the sixth broadly dilated and short,
the sixth being somewhat longer but narrower than the fifth, and
the fifth and sixth broader than the others ; the ultimate joints are
abruptly attenuated and filiform.

Eyes large, lateral, situated at the base of the head, extending
laterally as far as the lateral angles of the thorax.

Head short, transverse, abruptly deflected at right angles, at the
insertion of the antennae, and, when viewed transversely, approaching
the form of Loacoprosopus ; in front slightly produced.

Thorax transverse, slightly broader than the head ; the anterior
angles acute and prominent ; at the base constricted and depressed.

Scutellum triangular, situated in the plane of the elytra.

Elytra broader than the thorax, robust ; the anterior angles well
defined ; the surface is depressed (much less convex than in the pre-
ceding genera) and punctate-striate, faintly pubescent.

Legs : anterior femora straight, perceptibly thickened towards the
middle. Tibice short, straight, cylindrical. The tarsi are more ro-
bust ; the basal joint is elongated and triangular in form ; the second
shorter ; the penultimate rounded, broader than the basal joint, ob-
soletely bilobed, and fringed around its margin with a dense rigid
pubescence ; from the centre of the third joint proceeds the terminal
joint, elongated, sensibly thickened towards the apex, and incurved :
the claw is bifid, simple, unarmed by any inner tooth. The posterior
femora are incrassated (not so broadly as in the preceding genus,
Panchrestus}, ovate, gradually tapering towards the apex. The tibia
* v\r], nemus ; ^pd/ios, cursus.

HYLODROMTTS. 143

is abruptly incurved at its immediate base, straight, and at the apex
sensibly dilated and obliquely truncate, terminating ultimately in
two strong curved spurs below the insertion of the tarsus. The
tarsus is short and attenuated; the first and second joints being
elongated, and dilated at the apex (the second being somewhat smaller
than the basal joint) ; the third is broader, subcircular, and clothed
at its margins with a dense pubescence ; the apical joint is elongated,
and produced into a globular inflation, which quite conceals, from
above, the terminal claw.

This genus is a connecting link between several of the preceding
genera and Loxoprosopus : with the former it is connected by its non-
incrassated palpi ; with the latter by its parallel and depressed cylin-
drical body.

I have no means of ascertaining how far the extraordinary dilata-
tion of the antennae may be sexual, as is the case in other genera in
which the form of the antennas is abnormal, — as inPhysimerus, where
the incurved apical and broadly flattened basal joints are found only
in the males, and in Loxoprosopus, where the males alone possess the

very elongated antennae.
j y

1. Hylodromus dilaticornis. (TAB. V. fig. 7.)

H. oblongo-ovalis, subdepressus, subpubescens, fuscus ; capite brevi,
ad basin antennarum prominulo ; fhorace quadrato, ad basin
constricto, crebre punctato, subpubescenti, flavo ; elytris sat ro-
bustis, subcylindricis, punctato -striatis, subpubescentibus, nigro-
fuscis (ad apicem rufo-suffusis) ; antennis, art. ~Lmo elongato, a
gtio gradatim ad &um maxime incrassatis, 7mo-llmo abrupte et
tenue filiformibus, flavis aut fusco-rufis ; pedibus, anterioribus
flavis, posticis flavo -ferrugineis.
Long. corp. 1| lin., lat. | lin.

Oblong-ovate, subdepressed, broad, subpubescent, fuscous. Head
not so transverse as in allied genera, vertically depressed, hardly
elongated ; eyes large, prominent, situated nearly at the base of the
head, and extending laterally as far as the angles of the thorax :
between the eyes (nearer to their lower surface) is a distinct eleva-
tion, upon which is situated the base of the antennae ; this elevation
is not so angulated or abrupt as in Loxoprosopus : between the an-
tennae, at their base, a minute fovea extends upwards, and is con-
tinued in an obsolete longitudinal ridge towards the base of the head ;
on either side of this fovea are two depressions, nearer to the inner
surface of the eyes: the surface is flavous and finely punctate.
Thorax quadrate (slightly transverse), constricted towards the base ;
the anterior angles are depressed ; the surface subequate, finely and
thickly punctate, subpubescent, flavous. Scutellum small, triangular,

144 COELOCEPHALTJS.

fusco-flavous. Elytra broader than the thorax, subparallel, equate,
punctate-striate (the punctures being broad, and the striae almost
obsolete), finely pubescent ; dark fuscous, suffused with ferrugineous
at the apex. Antennce tolerably long, robust ; the first joint broad
and long (extending, when placed horizontally, beyond the outer
margin of the eye) ; the second short, narrow ; from the third to the
sixth the joints are gradually but strongly incrassated, so that the
sixth joint is nearly three times the breadth of the second ; the rest
of the joints are abruptly and finely filiform, the seventh being
slightly larger, and the eighth to eleventh narrower and longer than
the second ; in colour, the joints first to third are flavous, the fourth to
eleventh rufous, the fifth, sixth, and apex of the eleventh being rufo-
fuscous. Legs : the anterior flavous ; the postical flavo -ferrugineous.

From the district of the River Amazon.

Genus 23. CCELOCEPHALUS*.

PALPI MAXILLARES elongati, art. penultimo cylindrico, ad basin sub-
constricto, art. ultimo brevi, haud attenuate.

PALPI LABIALES cylindrici, minuti.

ANTENNA filiformes, elongatce, elytris duplo longiores.

CAPUT breve, antice productum, verticale.

THORAX quadratus, rectilinearis, ad basin subconstrictus.

ELYTRA subcylindrica) parallela, punctato-striata, subpubescentia.

PEDES : tibiarum articulo secundo minuto; tarsis posticis haud dentatis,
ad apicem dilatatis.

Mandibles concealed.

Maxillary palpi (Tab. Y. fig. 8m) elongate; the second joint
truncate at its apex ; the penultimate somewhat broader, cylindri-
cal, its length being double its breadth ; the apical joint is broadly
conical.

Labial palpi elongate, minute.

Antennce approximate, situated at the anterior angle of the head,
filiform, attenuate, elongated; in form, length, and position closely
corresponding to the antennae of Loxoprosopus ; the first joint is broad,
dilated, and incurved outwards towards the apex ; the second short
and ovate, the following elongate and attenuate, the whole being
twice the length of the elytra.

Eyes globose, situated at the base of the head, and extending late-
rally as far as the anterior angles of the thorax.

Head resembling that of Loxoprosopus, short, transverse, broadly
* KoTXos, cavus ; KedaX?}, caput.

CCELOCEPHALUS, 145

produced in front, abruptly inflected (near the insertion of the an-
tennae) at right angles to the base and thorax.

Thorax quadrate, rectilinear, broader than the head, constricted
and transversely depressed at the base.

Scutellum in the same plane as the elytra, indistinct, triangular.

Elytra broader than the thorax, parallel, subcylindrical, deeply
punctate-striate, and clothed sparingly with pubescence.

Legs : the anterior femora (when viewed from the front) tolerably
robust, and attenuated towards the apex. The tibice abruptly
inflected at the extreme base, straight, and gradually thickened to-
wards the apex. The tarsus (Tab. V. fig. 8 h) is short and broad ;
the two basal joints are triangular, the second being shorter and more
minute than the first (in Loxoprosopus the basal joint is minute, and
the second more elongated) ; the third broader, short, and almost
bilobed ; the margins and under surface are clothed with a rigid
thick pubescence ; the apical joint is elongated, subincurved, and
terminates in a bifid claw. The posterior femora are incrassated,
gradually tapering towards the apex. The tibice are short, distinctly
incurved at the immediate base, subattenuated medially, and broadly
dilated towards the apex, which is obliquely truncate ; the socket
which is thus formed, is, when viewed under a high magnifying
power (1-inch Boss), fringed at its margination with minute comb-
like teeth, and terminates ultimately in a strong (not incurved) pro-
jecting spur. The tarsi are elongate and narrow; the first joint
longer than the second (both being dilated at the apex) ; the third
subrotundate ; the fourth elongated, an<J terminating in a large glo-
bular inflation immediately above the apical claw.

This genus is very closely allied to Loxoprosopus, and is, in fact,
only to be separated from it by the form (distinctly cylindrical and
elongate, not abruptly dilated) of the maxillary palpi, and by the
relative lengths of the joints of the anterior tarsus.

1. Ccelocephalus pulchellus. (TAB. VI. fig. 4.) B.M.

C. oblongo-ovatus, parallelus, subtiliter pubescens, fusco-niger ;
capite depresso, rufo-flavo ; thorace subquadrato, ad basin tenue
constricto, impunctato, rufo-flavo ; elytris parallelis, punctato-
striatis ; pedibus flavis, femoribus posticis fusco adumbratis.

Long. corp. 2 lin., lat. f lin.

Oblong-ovate, parallel, depressed, subpubescent, punctate, of a
greyish-black colour. Head depressed, vertical ; between the eyes
is a longitudinal medial fovea (in different Examples more or less
obsolete) ; eyes large, globose, lateral, situated at the base of the head ;
the surface is finely punctate, impubescent, rufo-flavous. Thorax

L

146 CCELOCEPHA.LTJS.

transverse (almost quadrate) ; the anterior angles depressed ; the
sides marginate ; the base constricted, but not so apparently as in
C. amcenus, and transversely depressed ; the surface is impunctate,
flavo-pubescent and rufo-flavous. Scutellum triangular, pubescent,
fuscous. Elytra broader than the thorax, parallel, punctate-striate,
the punctures being coarse and shallow; black, obsoletely flavo-
pubescent. Antennae approximate, filiform, fusco-ferrugineous. Legs
flavous, the posterior femora being suffused with fuscous.

Taken by Mr. Bates in the district of the River Amazon. In the
collection of the British Museum, and also in that of Mr. Baly.

2. Ccelocephalus amoenus.

C. oblongo-ovatus, parallelus, subtiliter pubescens, nigro-fuscus ;
capite brevi, impunctato,flavo ; thorace quadrate, ad basin con-
stricto et transverse depresso, flavo ; elytris parallelis, striato-
punctatis, subpubescentibus, nigro-fuscis, sutura et apice flavo
marginatis ; antennis filiformibus,ferrugineis, art, 9-11 flams ;
pedibus flavis.

Long. corp. 2 lin., lat. f lin.

Oblong-ovate, parallel, depressed, obsoletely pubescent, punctate, of
a dark fuscous colour. Head short, not produced in front, vertical, or
somewhat reflected backwards below the base of the antennae; above
the labrum is a transverse triangular depression ; eyes small, globose,
lateral, situated at the base of the head ; the surface is impunctate,
of a pale flavous colour. Thorax quadrate, more elongate than in
(7. pulchellus, and the base more distinctly constricted ; the anterior
angles are depressed ; the sides rectilinear ; the surface transversely
depressed at the anterior and basal margins, subglobose, impunctate,
flavous, obsoletely flavo-pubescent. Scutellum triangular, flavo-
pubescent, flavous. Elytra broader than the thorax, parallel, de-
pressed, with rows of punctures arranged in the form of striae ; these
punctures are broad and shallow ; the surface is subpubescent, of a
dull fuscous colour, — the line of the suture, and also the apex, being
bordered with a narrow, well-defined suffused line of flavous. An-
tennae approximate at their insertion, filiform, ferrugineous, the three
apical joints being flavous. Legs flavous throughout, the apical in-
flation of the postical claw being rufo-flavous.

Closely allied to C.pulchellus, from which species it may be readily
separated by the absence of any marking between the eyes, by the
quadrate and posteriorly constricted form of the thorax, and by the
sutural flavous band on the elytra.

Ega, district of the River Amazon.

(XELOCEPHALTTS. 147

3. Ccelocephalus pygmseus. (TAB. V. fig. 8.)

C. oblong o-ov alls, subparallelus, robustus, pallide testaceus ; capite
brevi, reflexo, juxta antennarum insertionem bituberculato, punc-
tato, pallide testaceo, ad basin nigro suffuso ; thorace quadrato,
ad basin constricto et transverse depresso, punctato >• elytris
robustis, parallelis, punctato-striatis, leviter flavo-pubescentibus,
ad basin macula nigra semicirculari notatis, etiamque post me-
dium duabus maculis triangularibus suffusis ; antennis elongatiSj
jfiliformibus, testaceis ; pedibus pallide testaceis.

Long. corp. 1|^ lin., lat. f lin.

Oblong-oval, subparallel, robust, pale testaceous. Head short,
slightly produced, reflected backwards at an acute angle ; eyes large,
very prominent, projecting laterally beyond the margin of the thorax ;
the antennae are inserted in a slight projection from the surface
(which extends a little in front of the margin of the eyes) ; behind
the insertion of the antennae are two indistinct tubercles, which are
formed by an obsolete Y-shaped fovea; the surface is punctate,
especially at the base, and in colour pale testaceous ; at the upper
margin (between the eyes) suffused with black. Thorax quadrate,
distinctly constricted at the base (more so than in G. fusco-costatus) ;
the anterior angles are depressed; the sides submarginate ; at the
base is a broad transverse depression, extending to the lateral sub-
margination ; the surface is finely punctate. Scutellum triangular,
impunctate, fuscous. Elytra broad, robust, parallel, punctate-
striate, very finely flavo-pubescent ; at the base is a large black
marking, common to both elytra, semicircular in form, of the breadth
of the base of the thorax : two other markings, triangular, and more
suffused, are situated postmedially ; these do not reach the margina-
tion, or the suture, and are at some little distance from the extreme
apex. Antennce fine, filiform, more than twice the length of the
elytra, pale fulvo-testaceous. Legs somewhat long and attenuated,
pale testaceous throughout.

This species differs from C. fusco-costatus in the form of its thorax,
which is more constricted at the base, in its pale concolorous an-
tennae, and in the absence of any suffused marking at the margina-
tion of the elytra. Although in other respects these insects are
almost identical, it is difficult to believe that these differences (dif-
ferences both of form and colour) can be the result of variation, and
equally difficult to believe that they are sexual, inasmuch as the
length of the antennae, which would be the principal sexual charac-
teristic, is the same in each.

From the district of the River Amazon.

L2

148 CCELOCEPHALUS.

4. Ccelocephalus fusco-costatus.

C. oblongo-ovatus, robustus, pallide testaceus ; capite brevi, reflexo,
inter oculos transverse depresso, punctato, inter oculos fusco
suffuso ; thorace quadrate (subelongato), ad basin constricto et
transverse depresso, punctulato ; elytris sat robustis, parallelis,
punctato-striatis, ad basin medium circulariter maculatis, etiam-
que transverse ad mediam suturam ; lateribus fusco suffusis ;
antennis longis, filiformibus, art. 1-3 fuscis, 4 et 5 testaceis, 6
fusco, 7 et 8 nigro-fuscis, 9-11 testaceis ; pedibus pallide testaceis.

Long. corp. 2 lin., lat. § lin.

Oblong-ovate, rather more parallel than C.pygmceus, robust, punc-
tate-striate, subpubescent, pale testaceous. Head short, depressed,
reflected backwards at a sharp and acute angle ; eyes large, very pro-
minent, projecting laterally beyond the margin of the thorax, situ-
ated immediately at the back of the head ; the base of the antennae
is prominent, and situated directly on the angle of reflection ; im-
mediately above it, and between the eyes, is an obsolete T-shaped
depression; the surface is finely punctate, more distinctly at the
base, between the eyes suffused with dark fuscous. Thorax quadrate
(slightly elongated), distinctly constricted at the base ; the anterior
angles depressed ; the sides marginate ; at the base is a broad trans-
verse depression, which extends as far as the margination ; the sur-
face is finely punctate, subpubescent. Scutellum triangular, fuscous.
Elytra broad, robust, parallel, broadly punctate -striate (the punctures
being broad and shallow), subpubescent : at the base is a large semi-
circular spot common to each elytron and surrounding the scutellum
(this marking is equal in breadth to the base of the thorax) ; at the
line of margination is a longitudinal suffused fuscous marking, ex-
tending from the shoulders nearly to the apex, while on the suture
(between the middle and the base) is a small suffused fulvous
marking, obliquely transverse. Antennae twice the length of the
elytra, filiform ; the first and second joints dilated ; the first, second,
and base of the third fuscous ; the fourth and fifth testaceous ; the
sixth fuscou^ ; the seventh and base of the eighth dark fuscous, in-
clined to black; the rest pale testaceous. Legs pale testaceous
throughout; the globular inflation over the posterior claw bright
ferrugineous.

This species may be distinguished from C. pygmceus (to which it
is very closely allied) by the different form of the thorax, the co-
louring of its antennae, and the fuscous margination on its elytra.

From the district of the River Amazon.

LOXOPKOSOPUS. 149

TRIBUS II.

Palpi maxillares ad apicem incrassati (articulo ultimo interdum
minuto), articulo tertio subgloboso aut transverse, nunquam elongato,
rarius quadrato.

Genus 24. LOXOPROSOPUS*.

Guerin-Men. (Icon. Regne Anim. 1829^38, p. 306).
Dohrn, Linn. Ent. 1855, j>. 329. tab. 2. fig. 3, 4.
T/iompson, Archives, vol. i. p. 289.

LABEUM subsinuatum, breve.

PALPI MAXILLAKES validi, incrassati, art. 3tio globoso, ultimo brevi.

PALPI LABIALES elongati.

ATTESTS MJiliformes, in $ longissimce.

CAPUT transversum, antice verticale.

THORAX rectangularis, transversus, antea submarginatus ; lateribus
marginatis, et in angulum productis.

ELYTRA parallela, depressa, punctato-striata.

PEDES robusti; tibiis posticis simplicibus, haud dente armatis.

Labrum short, transverse, subsinuate.

Maxillary palpi (Tab. VI. fig. 1 m) robust, short, incrassated ; the
second joint conical, broader than the basal, obliquely truncate at
the apex ; the third globose, nearly twice the breadth of the second,
and the breadth not less than the length ; the terminal joint is short
and circular, broadly flattened.

Labial palpi (Tab. VI. fig. I n) elongate; the penultimate joint is
slightly thickened at the apex ; the terminal joint attenuate.

Antennae, filiform, in the males very long, twice the length of the
body ; the first joint is broadly flattened towards the apex ; the
second ovate ; the third to the fifth subequal, attenuated, slightly
thickened at the apex, nearly double the length of the basal joint ;
the terminal joints are somewhat shorter and narrower; the an-
tennae are in position approximate, situated at the frontal angle, on
a transverse prolongation of the head.

Eyes tolerably large, lateral, situated at the base of the head, and
extending laterally not quite so far as the anterior angles of the
thorax ; in the males more globose and prominent than in the females.

Head (Tab. VI. fig. 1 fc) short, transverse, abruptly deflected back-
wards at less than a right angle immediately below the insertion of

* Xo£6s, obliquus ; TrpofTtoTrov, frons.

150 LOXOPKOSOPT7S.

the antennae; between this angle and the labrum (when viewed
transversely) is a concave plane depression, extending across the
breadth of the anterior surface; at the base also (when viewed
laterally) is a transverse depression, which gives a gibbous appear-
ance to the surface between it and the insertion of the antennae.

Thorax broader than the head, transverse, rectangular, in front
slightly emarginate ; the sides are broadly marginate, the margina-
tion being generally produced into an angle ; the base is transversely
subdepressed : in the males the thorax is more quadrate and smaller
than in the females.

Scutellum broadly triangular.

Elytra parallel, depressed, broader than the thorax, and rounded
at the apex ; the surface is equate and punctate -striate, pubescent
or glabrous.

Legs : the anterior femora robust, subparallel, slightly attenuated
towards the apex. The tibice are distinctly incurved at their imme-
diate base, gradually incrassated towards the apex, and at the ex-
tremity transversely truncate. The tarsi are short and broad ; the
basal joint being abbreviated, in form broadly triangular ; the second
is slightly narrower, and more attenuated at the apex ; the third is
broader than the first and bilobed ; these three joints are at their mar-
gins and undersides coarsely pubescent; the terminal joint is elon-
gated and incurved, situated at the base of the third, and subdilated
towards the apex : the claw is robust, bifid, and armed at its inner
surface with a strong blunt spur. The posterior femora are short
and (when viewed transversely) broadly dilated, tapering towards
the apex, which is truncate. The tibice are robust, slightly incurved
at their immediate base, and at the apex broadly flattened out into a
socket, which receives the insertion of the tarsus. The tarsus is short
and attenuate ; the first joint being narrow, less produced than the
second, and subdilated at the apex ; the second is more elongate ;
the third subovate ; and the terminal joint produced into a globular
inflation, which completely conceals from above the apical claw.

The Saperda-liliG head and general facies, as well as the enormous
length of the antenna of the insects of this group, suggest at once
the propriety of removing this genus entirely away from the Phy-
tophaga, and placing it among the Longicornia ; and, indeed, if the
only data from which we could form an opinion as to its true posi-
tion were, on the one side, the head and antennse of a Longicorn,
and on the other, the incrassated posterior femora of the group of
Halticidae, it would perhaps be difficult to decide as to which it had
the most affinity : for while many of the Galerucida3 (i. e. Luperus,
and, to some extent, Calomicrus) show a manifest tendency to an

LOXOPKOSOPTJS. 151

elongation of the antennae ; other groups, confessedly not Galerucidae
(e. g. Hypocephalus armatus, Necrodes, and Sagra), have the thick-
ened posterior thigh ; and some, like the genus Orchestes, have even
the power of leaping. The structure of the maxillary palpi, how-
ever (combined with the globular inflation of the posterior claw),
seems to be decisive, and leads us, without hesitation, to admit
the genus into the present group, as very nearly allied to Octo-
gonotes.

In this genus, the males are at once to be recognized from the
females by their enormously elongated antenna ; the thorax, more-
over, in the 3 is less broadly transverse, more nearly quadrate,
the elytra are slightly less robust, the head is narrower and longer,
the eyes are larger and more globose, and in the antennae the two
basal joints are very much more robust, as well as elongated.

1. Loxoprosopus ceramboides. (TAB. VI. fig. 1.)

L. ( c? ) oblongus, ovalis, subdepressus, parallelus, niger ; capite
leviter producto, reflexo, nigro ; thorace transverse, rectangularly
ad medium depresso, rufo-marginato, nigro ; elytris subpubes-
centibus, punctato-striatis, nigris, rufo marginatis ; antennis lon-
gissimis, fusco -nigris ; pedibus fusco -nigris.

d Long. corp. 4| lin., lat. If lin.
c? Long, antenn. 10-11 lin.

Oblong, oval, parallel, subcylindrical, slightly depressed. Head
very short and transverse (when viewed from above) ; at the inser-
tion of the antennae (which are contiguous), the head is sharply re-
flected at an acute angle (the anterior part being inclined backwards
in the direction of the thorax), and slightly produced ; eyes tolerably
prominent, not large, situated at the base of the head, extending
laterally nearly to the line of the apical angle of the thorax : the
antennae (when viewed from above) appear to be situated on a gibbous
projection, which stands out from beyond the line of the eyes ; this
projection is divided by a longitudinal channel, is well-defined, and
also bounded at the base by a distinct transverse shallow groove ; at
the extreme apex of this projection are two globular fuscous sockets,
from which spring the base of the antennae ; surface below the an-
tennae subpubescent, leevigate, black, with a narrow margin on either
side pale testaceous; above the antennae finely granulated, black.
Thorax slightly broader than the head, transverse, rectangular, equate,
without any important definite elevations (a slight shallow fovea is
apparent at the middle of the disc) ; anterior angles subacute, sides
marginate ; surface almost impunctate, obsoletely pubescent, black ;
margination of the sides fulvous. Scutellwn obscure, triangular, black.

152 ' LOXOPROSOPUS.

Elytra rather broader than the thorax, parallel, subcylindrical, faintly
but regularly punctate-striate, clothed throughout with short dense
fuscous pubescence ; black ; sides evenly bounded with fuscous, more
broadly behind the shoulders, and not reaching the apex. Antennae,
filiform, very long (in the males between two and three times the
length of the body), subpubescent, fuscous, with the base of each
joint flavous. Legs tolerably robust, flavous throughout.

Guerin-Meneville (Icon. Regne Animal, Cuv.), in his description of
this species, speaks, with reference to the thorax, of " pres des angles
anterieurs une fossette ronde au milieu en avant, et une large fossette
transversale, un peu arquee pres du bord posterieur." In the two
examples which I have had the opportunity of examining, there is
very little trace of such depressions : it is evident that in this respect
the species is subject to some variation, for we cannot assume the
thoracic sculpturing to be sexual, inasmuch as his specimen (as the
examples before me) was clearly a male.

Rio Janeiro and the neighbourhood. A single example of this
fine species in the collections of M. Chevrolat, Mr. Fry, Mr. Miers,
and Herr Dohrn.

2. Loxoprosopus marginatus. (TAB. VI. fig. 2.)

L. oblong o-ovatus, subcylindricus, niger, subtiliter pubescens ; capite
brevi, transverso, antice Icevigato, testaceo, triangulari macula
fusca notato, sup erne granulato, transverse foveolato, fulvo-ferru-
gineo, inter oculos fusco ; thorace transverso, rectangidari, punc-
tato, fulvo, ad medium suffuso fusco ; elytris robustis, punctato-
striatis, pubescentibus, nigro-fuscis, ad marginem (et ad suturam
obsolete) fulvis ; antennisfiliformibus, elongatis, nigro-fuscis, ad
basin articulorum rufo-fulvis ; pedibus ferrugineis, tibiis ante-
rioribus femoribusque (ad basin) posticis nigro-fuscis.

Long. corp. 21 lin., lat. 1 lin.
c? Long, antenn. circa 4 lin.

Oblong-ovate, subcylindrical, somewhat depressed, finely pubes-
cent, of a fuscous-black colour. Head short, transverse, abruptly
deflected at an acute angle in front ; labrum dark fuscous ; the an-
terior part of the head (between the base of the antenna? and the
mouth) is a smooth plane, laevigate, testaceous, with a triangular
fuscous marking; eyes slightly prominent, distant, extending laterally
as far as the line of the sides of the thorax ; antennae approximate
at their insertion, which is situated on the angle caused by the abrupt
inflection of the head : from the insertion of the antenna? to the base
is a more or less distinct medial fovea, while crossing it at right
angles (at some distance from the insertion of the antennas) is another

LOXOPROSOPTJS. 153

horizontal fovea ; on either side of and below the point of intersection
are two distinct and prominent tubercles : the upper surface of the head
is granulated and fulvo-ferrugineous, with a dark-fuscous band above
the base of the antennae and between the eyes. Thorax transverse,
rectangular, having the anterior and basal angles distinctly defined ;
the sides are parallel and straight ; a broad but slight postmedial
depression extends obliquely on either side in the direction of the
humeral angles ; the surface is distinctly punctate, fulvous, with two
medial clouded markings of fuscous. Scutellum small, triangular,
fuscous. Elytra robust, strongly punctate-striate, clothed at the
base, and also at the sides and along the suture, with a slight ashy
pubescence ; in colour dark fuscous, the suture being (by reason of
the pubescence) narrowly fulvous, and the sides also being marked
by a fulvous line, which at the shoulder is distinct and broadly de-
fined, but becomes obsolete as it approaches the extremity. Antennae
much longer than the body, filiform ; the first joint narrow at the base
and dilated towards the apex ; the second short, ovate, not broader
than the base of the first ; the third, fourth, fifth and sixth very long,
attenuate, somewhat dilated at the apex ; in colour dark fuscous,
with the base of the second, third, fourth and fifth fulvous. Legs
ferrugineous, with the anterior tibiae and part of the tarsi, and also
the apex of the posterior femora, dark fuscous.

From the district of the River Amazon.

3. Loxoprosopus humeralis. B.M.

L. oblong o-ovatus, parallelus, sat robustus, fulvus ; capite brevi,
subproducto, super basin antennarum bitubereulato ; fhorace trans-
verso, angulis anticis distinctis, ad basin et ad latera late depresso,
punctato, fulvo, ad medium, piceo ; elytris parallelis, punctato-
striatis, ad basin sparsim pubescentibus, fuscis, ad latera flavo-
lineatis; antennis filiformibus, art. 1— bflavo-fuscis, 6— \\fuscis;
pedibus fuscis, femoribus ad basin flavis, tibiis tarsisque posticis
rufo-flavis.

Long. corp. 2 lin., lat. 1 lin.

Oblong-ovate, parallel, finely pubescent, fuscous black, occasionally
fulvous. Head short, transverse, and, when viewed laterally, reflected
in front backwards at an acute angle to the base ; the anterior and
lower portion of the head (which is somewhat produced) is almost
impunctate, black, shining; from the labrum a triangular marking ex-
tends to the insertion of the antennae ; the antennae are approximate,
and on the angle caused by the abrupt reflection ; eyes distant, situate
at the base of the head, and not extending laterally as far as the line
of the margin of the thorax ; between the eyes (and immediately above

154 LOXOPEOSOPTJS.

the insertion of the antennae) are two small transverse tubercles,
while behind them (between them and the base of the head) is a
medial depression ; the upper surface of the head is fulvous. Thorax
transverse, slightly constricted at the base ; the anterior angles
(which extend beyond the base of the head) are depressed, subacute,
and distinct ; sides submarginate : at the base is a broad and well-
defined transverse depression, which extends obliquely upwards in a
broad lateral depression towards the anterior angles ; this lateral and
basal depression gives a circular and subglobular form to the anterior
and medial surface, which is finely and thickly punctate : fulvous, ex-
cept the surface immediately in front of the basal depression, which is
piceous, this darker colour adumbrating more or less the whole of the
raised portion of the disc,-— the line of margination and the anterior
margin being also narrowly and obscurely fuscous. Scutellum broad,
triangular, obscure, below the plane of the elytra, darkly fuscous.
Elytra parallel, tolerably robust, coarsely punctate-striate, imperfectly
clothed at the apex with fine ashy or fuscous pubescence ; from the
humeral angles (which extend beyond the base of the thorax) a line of
flavous colouring is produced along the margination, most distinctly at
the shoulders ; occasionally the suture also is margined with flavous.
Antennae equal in length to the body ; the first joint distinctly in-
crassated at the apex ; the second short, ovate, and much less robust ;
the third longer than the first ; the fourth and fifth nearly equal,
and shorter than the first ; the rest short, with a distinct tendency
to dilatation, and subpubescent : the first joint is in colour rufo-
fuscous ; the second fuscous ; the third, fourth and fifth flavous, with
the apex fuscous ; and the rest dark fuscous. Legs pale flavous, with
the anterior tarsi, tibise, and upper portion of the femora, and also
the apex of the posterior femora, fuscous.

Collected by Mr. Bates at Santarem (Amazon). A single specimen
in the collection of the British Museum ; in the collections also of
Mr. Bates and the Eev. H. Clark.

This species is subject to considerable variation in the closeness of
the pubescence, and also in the flavous margination of the elytra ; in
one example before me the thorax is entirely flavous, and the sutural
and marginal band of flavous well-defined and broad.

4. Loxoprosopus cseruleus.

L. oblongo-ovatus, robustus, nigro-cyaneus, nitidus ; capite brevi, ad
apicem refleoco, impunctato, fulvo-ferrugineo ; ihorace transverso,
rectangular! , ad basin distincte transverse depresso, apud angulos
anticos etiam obsolete depresso, nitido, fulvo-ferrugineo ; elytris

PEBJBLEPTUS. 155

robustis, subcylindricis, striato-punctatis, nigro-cyaneis, ad su-
turam tenuiter flavo-pubescentibus ; antennis elongatis, filifor-
mibus, art. l-4flavis, 5-Sfuscis, 9-11 testaceis ; pedibus flavis.

Long. corp. 1£-2| Hn., lat. £-!£ lin.

Oblong-ovate, robust, of a deep-blue colour, shining. Head very
short, transverse, when viewed laterally abruptly deflected; eyes
large, prominent, distant, reaching laterally as far as the line of the
margin of the thorax ; between the eyes and immediately above the
insertion of the antennae (which are approximate) are two distinct
tubercles ; the surface of the head is smooth, impunctate and fulvo-
ferrugineous, with four distinct but obscure linear thread-like mark-
ings, extending each from the middle of the base, the two outer ones
to the margin of the eyes, the two inner ones to the two tubercles
between the eyes. Thorax transverse, rectangular ; the sides are
parallel and very slightly marginate : at the base is a broad transverse
depression (with a slight depression also at the anterior angles), which
gives an appearance of prominence to the anterior disc ; these de-
pressions are finely clothed with pubescence : the surface of the
thorax is smooth (under a high power very finely punctate) and
fulvo-ferrugineous. Scutellum triangular, flavous, distinct. Elytra
robust, subcylindrical, with punctures arranged in the form of striae,
of a bright dark-blue colour ; the line of the suture, by reason of a fine
margin of pubescence, is pale flavous; the shoulders are slightly
prominent ; the whole surface is clothed with minute and sparingly
distributed pubescence. Antenna more than twice the length of the
elytra, filiform ; the first joint dilated ; the second minute, short, and
ovate ; the four basal joints flavous, fifth to eighth fuscous, ninth to
eleventh testaceous. Legs flavous.

Brazil, district of the Kiver Amazon. In the collections of Messrs.
Baly and Bates, and the Eev. H. Clark.

Genus 25. PEBJBLEPTUS*.

LABRTTM subsinuatum aut circulare.

PALPI MAXILLARES elougatuli et ad apicem dilatati, art. penultimo
maximo, ultimo brevi.

PALPI LABIALES subcylindrici.

ANTENNAE Jtliformes, attenuate, in rf corpore fere duplo longiores, art.

3, 4 et 5 subcequalibus.
CAPUT breve, transversum, depressum, verticale, hand antice productum.

* 7repi/3\e7rros, omnibus admiratus, eximius : TrepJ, circum ; /3\e7rw, video.

156 PERIBLEPTUS.

THORAX transversus, ad basin leviter constr ictus, lateribus maryinatis,

subsinuatis, sparsim punctatus.
ELYTRA lata, robusta, parallela, ante medium transverse depressa,

punctato-striata.
PEDES robusti ; tibiis posticis brevibus, inarmatis, ungulis apicalibus

dente robusto ab infra armatis.

Labrum short, circular or subsinuate in outline.

Maocillary palpi (Tab. VI. fig. 3 m) subelongate, dilated at the
apex ; the second joint is longer than the first, and gradually incras-
sated; the penultimate is considerably broader (as well as longer)
than the second ; the last joint is short, narrower, and more or less
flattened.

Labial palpi attenuate, more or less cylindrical.

Antennae situated between (and somewhat below) the eyes, filiform,
attenuate, in the males at least twice the length of the body ; the
first joint is elongate, slightly thickened towards the apex, and in-
flected outwards; the second is shorter and more attenuate; the
third distinctly longer than the first ; the fourth and fifth subequal ;
in the males these three last-named joints are relatively as long as in
the genus Loxoprosopus ; the remaining joints are filiform and sub-
cylindrical.

Eyes circular, globose, lateral, situate a.t (or close to) the base of
the head.

Head short, transverse, depressed, and at the insertion of the an-
tennae (when viewed laterally) vertical or almost reflected backwards,
not produced in front ; at the insertion of the antennae, the angle
which is formed by the reflection of the head is sharp and well-
defined, not rounded, thus closely resembling the preceding genjis,
Loocoprosopus ; the surface is more or less punctate.

Thorax transverse, rectangular ; the anterior angles subacute and
depressed ; the sides marginate and subsinuate, with a tendency to
an angle near the middle ; at the base slightly constricted ; the sur-
face, in the example before me, is coarsely and sparingly punctate
and glabrous.

Scutellum large, triangular, impunctate, situated in the plane of
the elytra.

Elytra broad, parallel, robust, broader and more robust than in
Loxoprosopus, and distinguished moreover from that genus by a
broad antemedial transverse depression, which extends obliquely
upwards to the shoulders, and gives a prominence to the scutellary
angles; the surface in the example before me is deeply punctate -
striate, the striae being obsolete near the suture and at the apex.

Leys robust. The anterior femora cylindrical, and slightly dilated

PERIBLEPTTJS. 157

medially. The tibice are distinctly deflected at their immediate base,
cylindrical, and hardly dilated at the apex. Of the tarsi the first joint
is broad and elongate, triangular ; the second more minute ; the
third broader than the first, bilobed ; the terminal joint is elongated,
the claw being armed at its inner surface on either side near the
base with a sharp tooth. The posterior femora are broadly incras-
sated. The tibice are short, robust, not incurved medially, and atte-
nuated ; the posterior surface is flattened, and hollowed out or mar-
ginate : this margination at the apex forms a socket for the insertion
of the tarsus ; the margins of the socket are simple ; the extreme
apex is armed (behind the insertion of the tarsus) with a single
robust spur. The tarsus is short and attenuated, the two basal
joints being slightly dilated at their apex ; the third joint subcir-
cular; the fourth terminating in a globular inflation.

This genus, though closely allied to Loxoprosopus, is certainly very
distinct. The angulated or subsinuate lateral margin of the thorax,
the broad and very apparent transverse depression on the elytra, and
its generally robust form will at once characterize it. It is an in-
teresting link between Loxoprosopus and the following genus, Octo-
gonotes : to the former it is allied by its elongate antennae and its
abruptly vertical head ; to the latter genus by the angular form of
the lateral margins of the thorax.

1. Peribleptus laevigatus. (TAB. VI. fig. 3.)

P. ovatus, robustus, parallelus ; capite brevi, reflexo, supra basin
antennarum bituberculato, punctato, antea nigro, superne flavo ;
thorace transverse, ad basin subattenuato, transverse depresso,
punctato, flavo, antice et ad medium longitudinaliter suffuso
fusco ; elytris punctato -striatis (adsuturam striis obsoletis), trans-
verse apud medium depressis, nigro-fuscis, ad Tiumeros longitu-
dinaliter flavo-notatis ; antennis longis, tenuibus, flliformibus,
flavis, art. 1 et 8 fuscis, 9-11 pallide testaceis ; pedibus pallide
testaceis.

Long. corp. 2 lin., lat. 1 lin.

Ovate, robust ; sides parallel. Head short, transverse, depressed,
and (below the insertion of the antennae) reflected ; eyes tolerably
large, distant, situated nearly at the base of the head, and extending
laterally as far as the line of the margin of the thorax ; above the in-
sertion of the antennae are two slightly transverse and approximate
tubercles ; the surface is punctate ; the colour in front black, at the
base flavous. Thorax transverse (almost quadrate), slightly narrowed
towards the base ; the anterior angles are prominent ; the sides are

158 OCTOGONOTES.

marginate and, medially, slightly dilated; the posterior angles are
distinct and subacute; at the base a broad shallow transverse de-
pression extends obliquely towards the anterior angles, giving a
prominence and a rotundate appearance to the disc ; the surface is
punctate, in colour flavous, with the anterior margins and two medial
longitudinal indistinct markings info-fuscous. Scutellum triangular,
distinct, flavous. Elytra punctate- striate (the striaB being less distinct
towards the suture) ; an antemedial depression extends upwards along
the suture, and obliquely to the humeral angles, giving a rotundate and
subglobose form to the base of either elytron ; the surface is Isevigate,
and of a dark-fuscous colour, gradually shading off towards the apex
into testaceous ; at the humeral angles (and extending partially along
the margination) is a light-flavous marking. Antennae of the. length
of the body, filiform ; the first joint incrassated towards the apex and
inflected outwards ; the second short, ovate ; the third longer than the
first, fine, and slightly incrassated at the apex ; fourth and fifth nearly
equal ; seventh to eleventh with a distinct tendency to dilatation ; in
colour, first to sixth flavous, seventh and eighth dark fuscous, ninth
to eleventh pale testaceous. Legs pale testaceous, infoscated at the
base of the posterior femora (suggesting, from their general appear-
ance, the immaturity of the example) ; the globular inflation of the
posterior claw bright red.

A single specimen was captured by Mr. Gray at Petropolis (Organ
Mountains), February 1857.

Genus 26. OCTOGONOTES*.

Drap. Ann. des Sc. Phys. vol. iii. p. 181.

Dej. Cat. ed. 3 (1837), p. 407.

Laporte, Hist. Nat. des Anim. Artie. Coleopt. (1840) vol. ii. p. 519.

Hope, Coleopt. Manual, vol. iii. (1840) p. 169.

Orbigny, Dictionnaire tfHistoire Naturelle (1841, &c.).

LABRUM latum, ad latera rotundatum.

MANDIBUL&; robustce, ad apicem acuminatce, ad basin denticulatce.

PALPI MAXILLARES inflati, art. 2nd0 sensim incrassato, 3tio abbreviate,

valde dilatato, ultimo subulato, depresso.
PALPI LABIALES elongati, subcylindrici, ad apicem attenuati.
AmnENNJEjiliformes, robustce, in <$ subattenuatce et productce.
OCULI distantes, in <$ globosi.
CAPFT haud prodmtum, breve, depressum.
THORAX transversus, ad latera angulatus, plerumque complanatus.

* oKTat, octo ; yow'a, angulus.

OCTOGONOTES. 159

ELYTRA sat rcibusta, parallela, ad apicem rotundata, punctato-striata.

PEDES robusti, tibiis posticis simplicibus, liaud calcare armatis, mar-
ginatione retro subsinwita.

Labrum broad, subcirciilar.

Mandibles (Tab. VI. fig. 5 o) robust, subconvex, broad, at the apex
attenuated and produced into a sharp tooth ; on the inner surface are
two angulated depressions, which form a second, much smaller and
more obtuse tooth.

Maxillary palpi (Tab. VI. fig. 5 m) globose ; the basal joint minute,
almost obsolete ; the second short, gradually thickened towards the
apex, where it is broadly obliquely truncate ; the penultimate is in-
flated, much thicker and shorter than the second, increasing in dia-
meter towards the apex ; the apical joint is subulate, circular, and
flattened, not acute, or conical.

Labial palpi (Tab. VI, fig. 5 n) minute, elongated ; the second joint
subcylindrical, broader than the first ; the apical attenuate.

Antennae filiform, robust (in the males very much elongated) ; the
basal joint produced, and dilated towards the apex ; the second short,
ovate (these two joints in the £ less dilated and smaller than in
the d ) ; the third, fourth and fifth subequal (in the 3 slightly atte-
nuate).

Eyes large, situated at the base of the head, not extending late-
rally so far as the anterior angles of the thorax ; in the males glo-
bose, in the females less prominent.

Head short, hardly produced in front, almost vertical.

Thorax broader than the head, transverse (in the males less trans-
verse than in the females), constricted towards the apex ; the sides
marginate, the margination being produced antemedially (more or
less distinctly) into an obtuse angle.

Scutellum large, triangular, rounded at the apex.

Elytra broad, robust, in the males slightly more attenuate than in
the females, rounded at the apex, punctate- striate or punctate,
clothed more or less with fine pubescence.

Legs : the anterior femora robust. The tibia incurved at its im-
mediate base, gradually thickened towards the apex ; at the extreme
apex (below the insertion of the tarsus), on the under side, it is
armed with a series of closely arranged comb -like teeth. The tarsus
(Tab. VI. fig. 5 d) is broad and short ; the basal joint contracted at
the base, and triangular ; the second is of the same form, but larger
in dimensions ; the third is broadly transverse, depressed medially,
not bilobed ; from its centre proceeds the terminal joint, which is
elongate, gradually incurved and incrassated towards the apex : the

160 OCTOGONOTES.

claw is bifid, thickened at the base, not armed on the inner sur-
face with an inferior tooth. Posterior femora incrassated, ovate, at
the apex grooved for the reception of the tibia. The tibia (Tab. VI.
fig. 6 </) short, straight : when seen from behind, the posterior sur-
face is flattened, marginate, and near the apex depressed into a lon-
gitudinal groove ; this margination is not produced (as in the genus
Monoplatus) into a spur, but is in outline subsinuate ; at the apex
the tibia is dilated, and margined near the insertion of the tarsus
with a series of sharp and regularly disposed comb -like teeth ; the
extreme apex is produced into two robust incurved claws. Tarsi
attenuate ; the first joint elongate, dilated at the apex ; the second
of the same form, but shorter ; the third minute, ovate ; the fourth
produced into a globular inflation, which conceals from above the
apical claw.

The sexes of this genus may be separated at once by the relative
lengths of the antennae : in the males the antennae are longer
and slightly more attenuated, the head also is narrower, the eyes
are more globose, and the body somewhat less robust. There is a
slight variation also in the form of the thorax : in some species the
anterior angles are more or less (obsoletely) truncate, and it is the
aspect of one of these examples which probably suggested the name
of the genus, by giving to the thorax the semblance of being eight-
sided. As a rule, and in the old typical species, 0. Banoni, Drap.,
the thorax is hardly more than six-sided.

1. Octogonotes brunneus. (TAB. VI. fig. 5.)

0. ovalis, depressus, latus, lanuginosus, brunneus; capite brevi,
subdepresso, inter oculos transverse foveolato, granulato ; thorace
transverso, quadrato, ad latera marginato et (ad medium) leviter
angulato ; elytris robustis, punctato-striatis ; antennis flavis
(articulis 5—8 nigris) ; pedibus brunneis.

Long. corp. 4^- lin., lat. 2 lin.

Oval, broad, somewhat depressed, clothed throughout with a
golden-brown pubescence, which varies in shade in different ex-
amples. Head short, transverse, slightly elongated in front; eyes
small, distant ; between the eyes and the insertion of the antenna is
a triangular irregular depression ; the surface of the head is roughly
granulated, very finely pubescent; of a rich golden-brown colour.
Thorax transverse, with the anterior angles very broadly obliquely-
truncate, thus considerably contracting the breadth of the anterior
surface ; the sides marginate, and when viewed from above (by
reason of the truncation of the anterior angles), apparently pro-

OCTOGONOTES. 161

jecting laterally and medially into a distinct obtuse angle ; the sur-
face of the thorax is complanate, and depressed on either side in front;
at the base a broad and distinct (but not sharply denned) shallow de-
pression extends obliquely upwards nearly to the humeral angles ;
thickly pubescent. Scutellum triangular, hardly separated from, and
on the same plane as, the elytra ; fuscous, pubescent. Elytra broad,
somewhat depressed, finely punctate -striate, fulvous, and clothed
throughout, like the thorax, with short golden pubescence. An-
tennae filiform ; the first joint dilated, and deflected outwards ; the
second short, ovate, and attenuated at the base ; the third as long as
the first \ in colour flavous, with the fifth to the eighth joints darkly
fuscous, and the ninth to the eleventh pale flavous. Legs entirely
fuscous, the posterior femora being clothed with pubescence.

District of the River Amazon. In the collections of Messrs. Baly,
Bates, and the Eev. H. Clark.

2. Octogonotes thoracicus.

Gu6rin-Men. (Iconogr. 1829-38. p. 305. pi. 49 bis. fig. 9).
Dej. Cat. ed. 3. p. 407.

0. oblongo-ovalis, parallelus, subdepressus, fusco-tomentosus ; capite
abbreviate, rufo-ferrugineo ; thorace transverse, marginato, antice
subcoarctato,pubescenti, rufo-ferrugineo ; etytrispunctato-striatis,
tomentosis, fuscis vel (a tergo) nigro-fuscis ; antennis nigris ;
pedibus fulv is, nigro adumbratis.

Long. corp. 4-i lin., lat. 1-f- lin.

Oblong-oval, subparallel, somewhat depressed, tomentose. Head
short, not produced in front ; eyes large, fusco-ferrugineous, distant,
situated at the base of the head, but not extending laterally as far
as the line of the lateral margin of the thorax ; between the eyes
(and immediately above the insertion of the antennse) are two small
tubercles ; labrum dark fuscous ; above the insertion of the maxil-
lary palpi, on either side, is a dark fulvous spot ; the surface of the
head is somewhat rough, slightly pubescent, rufo-ferrugineous.
Thorax transverse ; the sides marginate ; the anterior angles acute ;
behind the anterior angles is a small marginal projection (which is
more or less tooth-like in appearance in different examples) ; the
anterior angles are obliquely truncate ; a broad postmedial depres-
sion (most distinct at the base) inclines on either side obliquely
towards the anterior angles ; the surface of the thorax is rufo-fer-
rugineous, clothed throughout (and especially near the base) with a
fine golden pubescence. Scutellum distinct, large, slightly raised

162 OCTOGONOTES.

above the plane of the elytra, subcordiform, impunctate, dull black.
Elytra punctate-striate, clothed throughout with a dense and short
pubescence, which almost conceals not only the punctures of the
striae, but the striae themselves ; dark fuscous (when viewed from
behind, almost black; when transversely, or in front, flavo-ferru-
gineous) : the colour and denseness of this pubescence vary con-
siderably in different examples. Antennae short, subincrassated ; first
joint narrow at the base, but gradually dilated towards the apex, and
deflected outwards ; the second without the dilatation of the first,
short, ovate ; the third as long as the first, and gradually but slightly
dilated; the fourth, fifth and sixth are slightly but sensibly still
further dilated ; black. Legs fulvo-pubescent, shaded on their upper
surface (and on the upper and outer surface of the posterior femora)
with dark fuscous.

Cayenne. In the cabinets of M. Deyrolle, Mr. Baly, and the
Rev. H. Clark.

3. Octogonotes Banoni. (TAB. VI. fig. 6.)

Drapiez, Ann. Sci. Phys. Brux. iii. p. 191. pi. 39. f. 6.
Dej. Cat. (1837) p. 407.

. 0. dblongus, ovatus, subparallelus, leviterpubescens,punctato-striatus,
niger ; capite brevi, ad basin antennarum bituberculato, granu-
lato ; ihorace transverse, ad latera marginato et angulato, ad
medium basin depresso, flavo ; elytris elongatis, punctato-striatis,
vitta undique apud marginem lata, obliterata, a humeris usque
ad apicem, flava, ad medium elytrorum in maculas duas dilatata ;
antennis Jiliformibusj nigris, art. 8—1 1 fulvis ; pedibus flavis,
nigro superne nebulosis.

Long. corp. 4 lin., lat. If lin.

Oblong, ovate, subparallel, slightly depressed, subpubescent, punc-
tate-striate, black. Head short, transverse, not produced ; above
the labrum is a transverse carination (of a fulvous colour), while
immediately above the base of the antennae are two distinct tuber-
cular elevations, more prominent by reason of a fovea between them,
and also of a fovea, less prominent and transverse, above them ; eyes
globose, situated at a short distance from the base of the head ; the
surface is finely granulated, and black. Thorax slightly broader than
the head, transverse ; the anterior angles depressed and subacute ;
the sides marginate, and produced laterally (a little in front of the
middle) into a tooth-like projection ; the basal angles are obliquely
truncate; the surface is postmedially excavated and very finely
punctate ; in colour flavo-testaceous, finely suffused with fuscous.
Scutellum triangular, impunctate, black, shining. Elytra somewhat

OCTOGONOTES. 163

broader than the thorax, subelongate, slightly attenuated towards
the apex, punctate -striate, very finely pubescent (the pubescence
almost concealing the punctures, not the striae) ; in colour black, with
a marginal irregular fulvo-testaceous stripe extending from the
shoulder to the apex, and expanding towards the middle into a
broader and more regularly denned transverse patch. Antennae ro-
bust, filiform, subincrassated towards the middle ; piceous, the joints
eight to eleven being fulvous. Legs subpubescent, flavo-testaceous ;
the anterior tibiae and tarsi, and the upper surface of the femora,
being piceous ; the apex also of the posterior femora is black, and the
globular inflation of the posterior claw of a bright rufous colour,

Cayenne.

4. Octogonotes binotatus. (TAB. VI. fig. 7.)

0. oblongo-ovalis, subparallelus, niger ; capite brevi, liaud producto,
granulato, nigro, inter oculos verrucoso ; labro nigro ; oculis mag-
nis, eccstantibus ; thorace transverso, complanato, angulis ante-
rioribus fortiter, posticis leniter oblique truncatis, ad latera mar-
ginato, pubescenti, stramineo, ad medium (prcesertim versus ca-
put et scutellum) nigro adumbrato ; scutello nigro ; elytris paral-
lelis, punctato-striatis, nigris, maculis duabus ad medium (stra-
mineis, circularibus, pubescentibus) ; antennis robustis, Jtliformi-
bus, art. \mo valido, ad apicem subannulato, 2*° brevi, 3"° et 4?°
elongatis, \mo ad 7™ nigris, 8™, 9no et I0mo (forsitanque II"10)
stramineis ; pedibus stramineis, tibiis tarsisque anterioribus,
femoribusque a superioripartefusco-nigris.

Long. corp. 3 lin., lat. 1-L lin.

Oblong-oval, depressed, of a dull black colour. Head transverse,
short, not produced; immediately above the insertion of the an-
tennae, which are contiguous, are two indistinct transverse and
somewhat oblong tubercles, forming together in shape the letter V ;
eyes large, prominent, reaching nearly to the margin of the thorax ;
the upper and posterior surface of the head is thickly punctate and
black, the front of the head pale flavous. Thorax broader than the
head, transverse, with the anterior angles distinctly and obliquely
truncate, thus forming, in appearance, a slight antemedial lateral
angle ; the posterior angles are very slightly truncate ; the sides
marginate ; the surface is clothed throughout (but especially at the
sides) with a fine silky pubescence of a cream colour ; medially, and
more distinctly at the apex and base, is a cloudy longitudinal fuscous
marking. Scutellum subcordiform, black, impunctate. Elytra some-
what depressed, distinctly punctate-striate (the surface between the
striae is finely and thickly punctate), and clothed throughout, but

M2

164 OCTOGONOTES.

especially towards the sides and apex, with a very fine yellowish
pubescence (hardly discernible except under the microscope) ; at the
middle of each elytron (separated from the suture by two striae,
and from the lateral margination by a single stria) is a regularly
formed circular spot, clothed throughout with a close and distinct
straw-coloured pubescence ; this spot is connected with the shoulder
by an obsolete longitudinal cinereous marking, which occupies the
interval between the fifth and seventh striae. Antennce black ; the
first joint broad, dilated towards the extremity; the second short,
and narrower ; the third and fourth much longer than the first (all of
these being indistinctly annulated with a fuscous band at their base) ;
the eighth to the tenth, and probably the eleventh, pale cinereous.
Legs flavous ; the upper part of the anterior femora, and also the
tibiae and tarsi, fuscous ; posterior claw entirely covered by a distinct
globular enlargement, which is of a bright orange colour.

Cayenne.

It may be a question, whether an examination of several speci-
mens would not resolve this into a simple variety of 0. Banoni,
Drap. The single specimen before me presents, however, apparently
distinct specific characters, not only in the markings of its elytra
(which consist of a single well-defined circular spot, instead of a
broad longitudinal line extending from the shoulder to the apex),
but also in the form of its thorax. In 0. Banoni the basal angles
of the thorax are broadly truncate, which, with the truncation of
the anterior angles, gives an appearance to the lateral margin of two
short, obtuse, lateral projections (the margin, between these two
projections being scooped out or emarginate), while in this species
(0. binotatus) the sides of the thorax are almost parallel. The black
markings also on the thorax of 0. binotatus are quite unrepresented
in that of 0. Banoni.

5. Octogonotes sumptuosus. (TAB. VI. fig. 8.)

0. oblongo-ovalis, robustus, niger, nitidus ; capite fovea triangulari
inter oculos, sparsim punctato ; thorace transverso, angulato, ad
latera marginato, angulis anterioribus oblique truncatis,fulvo, au-
reo-pubescenti ; elytris, punctis veluti in striis ordinatis, nitidis,
nigris, fasciis duabus et maculis quatuor pubescentibus, auratis ;
fasciarum, hac ad medium, hoc pone medium, hand suturam
attingentibus ; macularum, duabus ad humeros, tertia longitudi-
nali ad suturam, juxta scutellum, quartaque ad apicem, corn-
muni ; antennis pedibusque jfavis.

Long. corp. 3| lin., lat. If lin.

OCTOGONOTES. 165

Oblong- oval, robust, subparallel, black, shining. Head short, not
produced, with a T-like impression between the eyes ; glabrous,
sparingly punctured. Thorax transverse, subdepressed ; the sides
are marginate, produced laterally on either side (a little before the
middle) into a very obtuse angle (apparently formed by the trunca-
tion of the anterior angles) ; the surface smooth and sparingly
punctate ; the colour is fulvous, clothed (especially at the base and
sides) with a fine golden pubescence. Scutellum large, flavous.
Elytra black, shining, with ten striae-like rows of almost obsolete
punctures ; two fasciae (the one a little before the middle, and the
other at an equal distance between this and the apex), both of which
are interrupted by the suture, are formed by bright golden pubes-
cence on a fulvous ground ; four spots likewise are similarly formed
by this golden pubescence on the surface of the elytra : two, at (but
not touching) the humeral angles ; a third, oblong in form, at the
basal part of the suture ; and a fourth, as large as the other three
united, subtriangular at the apex ; these two latter are common to
both elytra. Antennce robust, filiform, fulvous. Legs fulvous ; the
upper surface of the anterior tibiae and femora being obscurely
clouded with black.

Ega, in the district of the Eiver Amazon.

6. Octogonotes bicinctus.

0. oblongo-ovatus, subcylindricus, niger, nitidus ; capite brevi, de-
presso, supra antennarum basin oblique foveolato, impunctato ;
thorace transverso, angulis anticis depressis, oblique truncatis, ad
basin oblique depresso, impunctato, subpubescenti, Jlavo ; elytris
latis, striato-punctatis, vittis duabus (pilo albo formatis trans-
versis), ad angulos humerales macula circulari, et juxta scutellum
prope suturam linea brevi notatis ; antennis filiformibus, ferru-
gineis, apice testaceis ; pedibus fulvis, superne fuscis.

Long. corp. 3J lin., lat. 1| lin.

Oblong-ovate, robust, subdepressed, black, shining. Head short,
depressed, almost vertical ; maxillary palpi rufous ; eyes prominent,
situated at the back of the head, extending laterally nearly as far as
the anterior angles of the thorax ; below the base of the antennae is
a transverse, triangular, black glabrous depression ; above the base of
the antenna (and between the eyes) is a narrow, obliquely transverse
fovea; the surface is almost impunctate, black. Thorax rather
broader than the head, transverse ; the anterior angles depressed
and subacute, broadly and obliquely truncate, forming medially in
the margination a short angular projection; at the base a broad

166 APALOTRIUS.

transverse medial depression extends obliquely towards the anterior
angles ; the surface is almost impunctate, subpubescent, flavous.
Scutellum triangular, impunctate, black. Elytra slightly broader
than the thorax, with rows of punctures arranged as striae ; black,
shining; two transverse bands (which are formed by dense white
pubescence) extend from the first stria to the margination, one
medially, the other nearer the apex ; at the humeral angles is a small
circular spot, and along the suture for a short distance from the
scutellum is a narrow linear marking of the same colour and forma-
tion. Antennae tolerably long, filiform, ferrugineous ; the joints eight
to eleven being testaceous. Legs fulvous, on the upper surface fus-
cous ; the inflation of the posterior claw bright ferrugineous.

This species differs from 0. sumptuosus (to which it is nearly
allied) in the colouring as well as in the disposition and size of the
markings on the elytra.

From the district of the River Amazon.

Genus 27. APALOTRIUS*.

PALPI MAXILLARES robusti, breves, plerumque geniculati, art. 3**° dila-
tato, globoso.

PALPI LABIALES cylindrici, attenuati.

ANTENNA filiformes, robustce.

CAPUT breve, depressum, fere verticale.

THOEAX latus, transversus, rectilinearis, antice tenue constrictus.

ELYTRA lata, robusta, subcylindrica, punctato-striata.

PEDES robusti ; tibiis posticis a retro super tarsi insertionem calcare
armatis.

Labrum subcircular, broad.

Mandibles robust, at the inner margin armed with a single short
but acute tooth.

Maxillary palpi (Tab. VII. fig. 1m) broad, robust, generally geni-
culated ; the basal joint minute ; the second gradually broader to-
wards the apex and obliquely truncate ; the third broader and not
longer than the second, also obliquely truncate at the apex; the
terminal joint much narrower than the third, and conical.

Labial palpi (Tab. VII. fig. 1 n) minute, somewhat more elon-
gate than in the genus Octogonotes ; the first and second joints at-
tenuated at the base ; the ultimate joint attenuate.

Antennae approximate, situate between and below the inner mar-

* airaXos, gracilis ; 0pi?, coma.

APALOTRITTS. 167

gin of the eyes, robust, filiform; the first joint is elongate and
broadly dilated ; the second ovate, short ; the third, fourth and fifth
attenuated and subequal.

Eyes globose, distant, situated almost immediately at the base of
the head, extending laterally not so far as the anterior angles of the
thorax.

Head short, hardly produced in front, deflected at right angles to
the plane of the elytra.

Thorax broader than the head, transverse, very slightly con-
stricted in front ; the anterior angles subacute and depressed ; the
sides marginate; the surface equate, and in A. pubescens finely
pubescent.

Scutellum large, triangular, impunctate, situated on the plane of
the elytra.

Elytra broad, robust, subcylindrical, rounded at the apex ; in A.
pubescens deeply punctate-striate and pubescent.

Legs : the anterior femora sufficiently robust, attenuated at the
base. The tibice are straight, incurved at their immediate base, and
cylindrical. The tarsi are short ; the basal joint triangular, of the
breadth of the base of the tibia ; the second of the same form, but
more minute ; the third transverse, subcircular at the apex, distinctly
bilobed ; these three are clothed on their under side with thick rigid
pubescence ; from the base of the third proceeds the last joint, which
is elongated, and gradually dilated and incurved towards the apex ;
the joint terminates in a bifid tooth, unarmed by any spur on its
inner surface. The posterior femora are broadly incrassated, ovate,
tapering gradually to the apex, which is obliquely truncate. The
tibia (Tab. VII. fig. 1 g) is short, abruptly incurved at its immediate
base ; the posterior surface is longitudinally grooved, and terminates
in a hollowed socket for the insertion of the tarsus ; the margination
of this socket is armed above the insertion of the tarsus, and also
below, with an obtuse spur. The tarsus is abbreviated ; the first and
second joints attenuated at the base, the second being more minute
than the first ; the third minute and circular ; the fourth dilated into
a globular inflation, which conceals from above the terminal claw.

I am unable, from the examples before me, to trace with certainty
any sexual distinctions in this genus.

Apalotrius is in form closely related to Octogonotes, from which it
may be separated by the quadrangular (not hexagonal) form of its
thorax, by the manifestly different form of the maxillary palpi, and
by the distinct spur on the margination of the postical tibia.

168 APALOTRIUS.

1. Apalotrius pubescens. (TAB. VII. fig. 1.)

A. ovalis, latus, subdepressus, pubescens, luridus ; capite brevi, de-
presso, parum producto, inter oculos transverse foveolato, sparsim
punctato, nigro, ad frontem flavo ; ihorace transverse, angulis an-
terioribus coarctatis, marginato, subcomplanato,pubescenti, flavo ;
elytris latis, punctato-striatis, nigro-fuscis vel nigris, nitidis, sed
ad apicem et latera pube flava (inter strias 4 et 5 prcesertim)
vestitis ; antennis pedibusque flavis, femorum posticorum apiti-
6ws exceptis nigris.

Long. corp. 3 lin., lat. If lin.

Oval, broad, robust, slightly depressed. Head and thorax much
narrower than the elytra, pubescent. Head short, transverse, de-
pressed in front ; eyes large, globose, distant, their exterior margin
extending laterally as far as the line of the margin of the thorax ;
between the eyes is a transverse fovea, extending in an oblique
direction towards the upper margin of the eyes ; the surface of the
head is sparingly but deeply punctured ; black, the anterior portion
(in front of the insertion of the antennae) being flavous. Thorax
transverse, slightly narrowed in front ; sides marginate, and (when
viewed laterally) deflected from the humeral angle to the lower
margin of the eyes ; the anterior and posterior angles are subacute
and distinct ; the surface of the thorax is equate and very finely punc-
tured throughout, pubescent, flavous. Scutellum triangular, slightly
granulated, fuscous. Elytra broad, depressed, punctate-striate ; black,
shining, clothed throughout irregularly, but especially at the apex,
the margins, and between the fifth and sixth striae, with a fine silky
golden pubescence (this band of pubescence between the fifth and
sixth striae is in perfect specimens very marked and distinct). Antennae
robust, filiform, with the first joint incrassated, and deflected outwards
at the apex ; the second somewhat more attenuate, short and ovate ;
of the rest, which are filiform, the third is longer than the fourth,
and the fourth narrower than the fifth ; the two basal joints are
ferrugineous, the rest flavous. Legs entirely flavous, with the ex-
ception of the apex of the postical femora, which is black.

Several examples of this fine species have been sent home by
Mr. Bates from Ega (River Amazon).

It is probable that in quite recent specimens the elytra will be
found to be clothed throughout with a fine griseous pubescence,
instead of being, as in the examples before me, black and shining ;
and that this pubescence will obscure the longitudinal band, which
in these examples is so conspicuous.

EXAKTEMATOPUS. 169

Genus 28. EXARTEMATOPUS*.

MS. Chew. Coll.

infra dente brevi basali armatce.
PALPI MAXILLAKES robusti, incrassati, art. 3tio dilatato, ultimo brevi.
PALPI LABIALES elongati, attenuati.
ANTENNA robustce, sat magnce, apicem versus dilatatce.
CAPUT breve, verticale, thorac.e constrictius.

THOKAX transversus, latus, rectangular is, angulis anticis exstantibus,

depresses.

ELTTKA lata, convexa, punctato-striata, colorata, glabra.
PEDES robusti; tibiis posticis simplicibus.

Labrum subcircular.

Mandibles robust at the base, and armed on the inner margin with
a short basal tooth, at the apex acuminated.

Maxillary palpi (Tab. VII. fig. 2 m) robust, incrassated ; the basal
joint minute; the second dilated towards the apex and obliquely
truncate ; the third more robust and shorter, attenuated at the base ;
the ultimate joint abbreviated, conical.

Labial palpi (Tab. VII. fig. 2n~) elongate, minute ; the basal joint
quadrate; the second somewhat thickened towards the apex, and
constricted at the base ; the third narrower at the base than the apex
of the second.

Antennae approximate, situated between and below the inner mar-
gin of the eyes, robust, long, dilated at the apex ; the basal joint
elongate (extending, when placed laterally, beyond the sides of the
head) and gradually dilated, and inflected towards the apex; the
second ovate, short ; the third to the sixth nearly as long as the first,
more attenuate ; the seventh to the eleventh abbreviated, and more
robust, gradually incrassated as they approach the apex.

Eyes large, subglobose, situated at the base of the head.

Head short, not produced, much narrower than the thorax ; when
viewed laterally, depressed at right angles to the plane of the thorax.

Thorax transverse, broad, rectangular; the anterior angles de-
pressed, but prominent ; the sides parallel and broadly marginate ; the
surface is flat, inclined at an angle of 45 degrees from the plane of
the elytra.

Scutellum large, triangular, situated in the same plane as the elytra.

Elytra broad and convex, considerably broader than the thorax,
rounded at the apex, punctate-striate, brightly coloured, glabrous.

Legs : the anterior femora robust, and slightly incurved on their
inner margin near the apex. The tibice are short, robust, inflected
* Derivatione incerta.

1 70 EXARTEMATOPUS .

at their immediate base, and gradually dilated ; when viewed from
above, the anterior surface is longitudinally grooved, especially near
the insertion of the tarsus, where it is obliquely truncate. The
tarsus is short and robust ; the first joint transverse, triangular ; the
second of the same form, but more minute ; the third subtrian-
gular, hardly bilobed: in different examples the first and second
joints are more or less subequal, but in all examples the terminal
joint is distinctly broader than the others : the terminal claw is
bifid, simple, robust, and slightly dentated at the inner margin near
the base. The posterior femora are robust, incrassated, ovate. The
tibia is short, inflected at the immediate base, gradually thickened
towards the apex ; when seen from behind, the posterior surface is
longitudinally grooved, forming at the apex a socket for the reception
of the tarsus, and armed at its lower extremity, below the insertion
of the tarsus, with two incurved spurs. The tarsias is attenuated ;
the first joint dilated, and transversely truncate at the apex ; the
second of the same breadth, but shorter and more triangular ; the
third minute and subcircular ; these three joints are clothed on their
under surface with thick pubescence; from the base of the third
proceeds the ultimate joint, which terminates in a broad globular in-
flation completely concealing from above the apical claw.

This genus has very distinct characters : the antennae are robust,
not short) and incrassated at the apex ; the thorax is broad, the
anterior angles are very prominent, and its surface is not rounded,
but flat, in one plane, which is depressed at an angle of 45 degrees
to the plane of the elytra : these, together with the robust form of
the elytra (without reference to manifest peculiarities of structure in
the palpi and tarsi), are amply sufficient to separate it generically
from other forms.

1. Exartematopus nobilis. (TAB. VII. fig. 2.)

E. oblongo-ovatus, latus, impubescens, punctato-striatus, castaneus ;
capite brevi, inter oculos transverse foveolato, punctato, rufo-
flavo ; thorace transverso, angulis subproductis, antice emarginato,
lateribus marginatis, rufo-flavo, maculis quatuor circularibus,
lateribusque, fusco-nigris : elytris latis, subdepressis, punctato-
striatis, plagis seoe flavis ; i. e. duabus ad humeros (a sutura ad
marginem, maculas nigras duas continentibus}, duabus ad mar-
ginem (apud medium, parvis, immaculatis), duabusque apicem
juxta, maculam unam nigram continentibus ; antennis robustis,
artic. ].—5ferrugineis, 6 nigro et subdilatato (reliquimihi desuni);
pedibus ferrugineis, femoribus posticis (antice et superne visis)
castaneis.

Long. corp. 3 lin., lat. 2 lin.

EXARTEMATOPTJS. 171

Oblong-ovate, broad, subdepressed, punctate-strate, impubescent,
of a brown- castaneous colour. Head very short and much depressed,
almost vertical ; above the labrum is a triangular transverse depres-
sion ; immediately above the insertion of the antennae are two sub-
circular depressions, and between them is a longitudinal medial fovea,
which joins a distinct transverse depression above them ; eyes large
and subprominent, situated at the base of the head ; the surface is
finely and sparingly punctate and rufo-flavous, the medial depression
being suffused with fuscous. Thorax transverse, considerably broader
than the head (when viewed transversely, depressed at a considerable
angle to the plane of the elytra) ; the anterior margin is emarginate,
the anterior angles being depressed and prominent; the sides are
broadly marginate, and in outline subsinuate ; near the base are two
obsolete depressions : the surface is distinctly and sparingly punctate,
of a rufo-flavous colour ; at the anterior margin (immediately above
and somewhat between the eyes) are two subcircular minute black
spots ; behind them (at mid distance between them and the posterior
margin) are two others, occupying the obsolete depressions ; the lateral
margination also is broadly black. Scutellum triangular, impunctate,
fuscous-black, glabrous. Elytra broader than the thorax, robust,
subdepressed, punctate-striate (the punctures being deep and large,
the striae more obsolete, and both being almost obsolete near the
apex) : at the humeral angles, and also at the apex, large irregularly
defined patches of testaceous colour extend transversely from the
lateral margins to the suture ; the outline of that at the base is irre-
gularly transverse, containing two insulated black maculae (the one
near the suture, the other at the extreme angle of the shoulder) ; the
apical marking contains a single macula at its centre ; between these
two (apical and humeral) patches is a third, at the mid -margin of the
elytra, unconnected with, and much smaller than either, immaculate,
and like them testaceous ; the castaneous coloration of the elytra
between this and the other patches is darkly suffused with fuscous.
Abdomen ferrugineous. Antennas, robust, and apparently subincras-
sated ; in the imperfect example before me, the five basal joints are
fulvous and the sixth (which is slightly broader than the fifth) black.
Legs rufo-ferrugineous ; the apex of the postical femora being at its
outer side suffused with rufo-fuscous.

Espirito Santo. In the collection of Mr. Fry.

2. Exartematopus scutellaris. (TAB. VII. fig. 3.)

E-. oblongo-ovatus, robustus, impubescens, pallide stratnineus ; capite
depresso, transverse, abbreviate, supra basin antennarum T foveo-
lato, impunctato, glabro, nigro ; thorace transverso, antice emar-

172 HYDMOSYNE.

ginato, angulis anterioribus rotundatis, punctatis, flavo-stra-
mineis ; elytris robustis, latis, tenue punctato-striatis, glabris ;
antennis robustis, ad apicem dilatatis, fulvis ; pedibus robustis,
flavo -ferrugineis.

Long. corp. 4J lin., lat. 2^- lin.

Oblong-ovate, robust, impubescent, of a pale stramineous colour.
Head depressed, not produced in front ; above the labrum is a trans-
verse triangular plane depression ; immediately above the base of the
antennae is a short longitudinal fovea, which joins another (extending
transversely and somewhat obliquely upwards towards the upper and
inner margin of the eyes), these two canaliculations forming together
the character of the letter T ; eyes tolerably large, situated at the
base of the head ; the surface impunctate, glabrous, black, with a
triangular suffused marking of fusco-rufous above the transverse
fovea. Thorax transverse, much depressed, in front distinctly emar-
ginate; the anterior angles are rounded; the sides broadly mar-
ginate ; the surface is finely and sparingly punctate, glabrous, flavo-
stramineous. Scutellum large, triangular, impunctate, glabrous, dark
piceous. Elytra robust, much broader than the thorax, finely
punctate- striate, glabrous, of a stramineous colour throughout. An-
tennae robust, subdilated towards the apex ; the first joint long ; the
second short, ovate ; the third to the sixth attenuate, of almost equal
length, and shorter than the first ; the seventh to the eleventh short,
dilated ; the colour fulvous, the extremity of the third and fourth
joints being suffused with piceous, and the apex (from the seventh
to the eleventh joints) slightly tinged with fuscous. Legs robust,
flavo-ferrugineous throughout ; body beneath black, the under part
of the thorax and the abdomen being flavous.

Brazil. In the collection of M. Chevrolat.

Genus 29. HYDMOSYNE*.
MANDIBUL^J intra ad basin subtiliter dentatce.

PALPI MAXILLAKES elongati, ad apicem dilatati, art. ultimo conico, brevi.
PALPI LABIALES rol)usti, subcylindrici, minuti.
ANTENNA filiformes, robustce.

CAPTJT transversum, antice subproductum, subporrectum.
THORAX capite latior, transversus, ad apicem constrictus.
ELYTRA subparallela, thorace leviter ampliora.

PEDES : tifnis posticis a retro longitudinaliter excavatis, rectis, et ad
ipsum apicem (pone tarsorum insertionem)ungulis duabus armatis.

i, scientia, agilitas.

5YDMOSYNE. 173

Labrum subcireular.

Mandibles (Tab. VII. fig. 4 o) robust, acuminated at the apex ; the
inner surface near the base is subsinuate, and forms two obsolete
inner teeth.

Maxillary palpi (Tab. VII. fig. 4 m) elongate, dilated at the apex ;
the basal joint is minute ; the second attenuate, thickened towards
the apex ; the third joint in breadth double that of the second,
gradually inflated towards the apex ; the terminal joint is abbreviated
and conical.

Labial palpi (Tab. VII. fig. 4 1) minute, robust, subcylindrical ;
the penultimate joint being slightly thickened at the apex, and the
terminal joint more slender.

Antennae, approximate, situated between and below the inner
surface of the eyes, filiform, robust ; the basal joint elongate and
broadly dilated (more broadly than in the preceding genus, Ex-
artematopus) ; the second narrower, and minute; the third joint
longer than the first, and attenuate ; the fourth and fifth thicker
and subequal.

Eyes large and ' subglobose, situated at the base of the head, ex-
tending laterally not so far as the anterior angles of the thorax.

Head transverse (slightly produced in front), hardly more depressed
in front than the thorax, porrect.

Thorax broader than the head, transverse, obsoletely excavated
in front ; the sides subeonstricted towards the apex and marginate ;
the surface generally finely punctate and glabrous or sparingly pu-
bescent.

Scutellum distinct, triangular.

Elytra subparallel, slightly broader than the thorax, punctate or
punctate-striate, subpubescent or glabrous.

Legs : the anterior femora robust. The tibice incurved at their
immediate base and gradually thickened towards the apex. The tarsi
are elongated ; the basal joint is triangular, not quite so broad as the
apex of the tibiae ; the second of the same form, but more minute ;
the third broad, and almost bilobed; the apical joint is elongate,
inflected, and gradually thickened; the terminal claw is bifid, and
armed on its inner surface on either side with a second, more minute
tooth. The posterior femora are broadly incrassated, gradually
tapering towards the apex. The tibice are short, inflected at the
immediate apex ; the posterior surface is longitudinally grooved, and
terminates in a deeply marginate socket for the insertion of the an-
tennae ; this socket commences in an obtuse angle in the margination,
is armed along its sides with a closely arranged series of comb-like
teeth, and terminates ultimately in a double incurved claw (the outer

174 HYDMOSYNE.

one being larger and more prominent than the inner) below the in-
sertion of the tarsus. The tarsus is short and attenuate ; the two
basal joints being triangular and subequal ; the penultimate rounded
and minute ; the terminal joint dilated into a bladder-like inflation
above the apical claw, which is bifid, and has each limb armed with
an inner and smaller tooth.

After much examination and comparison, I have felt that this form
ought to be separated generically from that which follows, to which it
has a manifest affinity. The head is distinctly porrect, not depressed
at right angles ; the terminal joint of the posterior tarsus is not so
broad, or so manifestly bilobed ; and the longitudinal margination of
the postical tibia is unarmed (except immediately at the socket) by
any distinct spur. The facies also of the whole insect is different : it
is broader, flatter, not so cylindrical, and, instead of being pubescent,
is brightly glabrous.

1. Hydmosyne inclyta. B.M.

H. oblongo-ovata, subparallela,punctata}viridi-cenea; capite brevi,
ad basin antennarum bituberculato, granulate, rufo-flavo ; tho-
race transverse, ad basin late depresso, punctato, rufo-flavo ;
elytris sat robustis, subtiliter striato-punctatis ; antennis Jlli-
formibus, fuscis ; pedibus flavo-ferrugineis, fusco suffusis.

Long. corp. 4^ lin., lat. 2 lin.

Oblong-ovate, subparallel, punctate, impubescent, of a dark me-
tallic-green colour. Head short, transverse, not produced in front ;
above the labrum is a transverse triangular carination, and imme-
diately above the base of the antennae are two tubercles, more pro-
minently distinct by reason of a fovea which separates them : eyes
tolerably globose, situate at the base of the head ; the surface be-
tween the eyes is finely granulated; the colour rufous. Thorax
somewhat broader than the head, transverse; the anterior angles
subdepressed and distinct ; the sides marginate : at the base (when
viewed obliquely) is a transverse broad depression; the surface is
finely punctate and glabrous; in colour rufo-flavous. Scutellum
triangular, impunctate, rufo-flavous. Elytra tolerably broad and
robust, somewhat broader than the thorax, with punctures (minute
and closely arranged) distributed in the form of striae ; these punc-
tures are obsolete as they approach the apex ; near the shoulders
(between the sixth and seventh strise) is a short but deep longi-
tudinal depression. Antennae filiform, fuscous. Legs flavo-ferrugi-
neous, suffused with fuscous.

South America. In the collection of the British Museum.

ATYPHTJS, 175

Genus 30. ATYPHUS*.

PALPI MAXILLAKES breves, dilatati, art. 3tio subquadrato.
PALPI LABIALES minuti, art. ultimo elongato.
AxTETXNMjiliformes, sat robustce (haud tarn ut in Hydmosyne).
CAPUT transversum, latum, verticale.
THOEAX transversus, rectangularis.
ELTTEA parallela, subcylindrica, ad apicem rotundata.
PEDES : tibiis posticis calcaratis, tarsis brevibus.

Labrum short, contracted, transverse.

Maxillary palpi (Tab. VII. fig. 5 m) : the basal joint minute,
rectangular, quadrate ; the second longer than the first, dilated and
obliquely truncate at the apex ; the third much shorter and broader
than the second, almost quadrate; the terminal joint broadly
conical.

Labial palpi (Tab. VII. fig. 5n) minute; the second joint dilated
and transversely truncate at the apex ; the terminal joint elongate,
and of half the breadth of the apex of the second.

Antennce approximate, situated between the inner margins of the
eyes, filiform, tolerably robust (more slender, however, than in
Hydmosyne) ; the basal joint dilated (not so distinctly as in the pre-
ceding genus) ; the second short and ovate ; the third longer than
the first, and attenuated ; the fourth and fifth subequal.

Eyes large, subglobose, lateral, at the base of the head, extending
laterally to nearly the anterior angles of the thorax.

Head somewhat broad, transverse, and (when viewed laterally)
deflected at right angles to the elytra (not porrect and narrowed, as
in Hydmosyne}.

Thorax transverse, rectangular, slightly broader than the head ;
the sides marginate and obsoletely subsinuate.

Scutellum smaller than in the preceding genus, triangular.

Elytra parallel, subcylindrical, perceptibly broader than the head,
rounded at the apex.

Legs : the anterior femora and tibice (when viewed from in front)
robust. The tarsi are short ; the two basal joints triangular (the
second being slightly shorter than the first) ; the penultimate joint
more transverse and bilobed ; these three are clothed on their inner
surface with a thick and short pubescence : the terminal claw is bifid
arid simple, robust at the base. The posterior femora incrassated, at
the apex obliquely truncate. The tibice (Tab. VII. fig. 5 <?) are in-

* a, non ; rv0a>, turgesco.

176 ATYPHTTS.

fleeted at their immediate base: when viewed from behind, the
posterior surface is longitudinally grooved ; the margination of this
groove is produced near the socket (not at the socket, as in Hydmo-
syne) into an obtuse spur ; the socket itself is margined on either
side with a close series of comb -like (erect and fine) teeth ; the ulti-
mate apex is armed with two incurved, robust claws of equal size.
The tarsi are attenuate and short; the first and second joints being
nearly equal (narrow, and somewhat dilated at the apex) ; the third
slightly broader and subcircular.

There is a manifest similarity between this genus and Eupeges ;
both are in general form subcylindrical, parallel, and sufficiently
robust. The striking difference, however, between them in the form
of the maxillary palpi alone would, without other distinguishing cha-
racters, amply separate them.

1. Atyphus carbonarius.

A. oblongo-ovatus, subparallelus, punctato-striatus, impubescens,
niger ; capite brevi, inter oculos Y foveolato, granulate, nigro ;
thorace transverse, ad basin oblique depresso, punctato, flavo ;
elytris sat robustis, subparallelis, punctato -striatis, interstitiis
subtiliter granulatis ; antennis filiformibus, piceis ; pedibus
nigris.

Long. corp. 3J lin., lat. If lin.

Oblong-ovate, subparallel, punctate-striate, impubescent, shining,
black. Head short, transverse, not produced in front : below the
base of the antennae is a transverse triangular depression ; above the
base and between the eyes is a deep and distinct fovea, in the form of
the letter Y : the eyes are large, tolerably globose, and situated near
the base of the head ; the surface is deeply granulated and black.
Thorax broader than the head, transverse ; the anterior angles acute
and depressed ; the sides marginate, ami in outline subsinuate ; at
the base is a transverse depression, extending obliquely upwards
towards the anterior angles : the surface (when seen under a high
power) is finely punctate and glabrous ; the colour- flavous. Scutellum
impunctate, triangular, black. Elytra somewhat broader than the
thorax, subparallel, impubescent, deeply punctate-striate, the inter-
stices being very finely granulated. Antennce filiform, the third
joint being more attenuated than the rest ; piceous. Legs black.

Morro Queimado (Rio Janeiro). In the collection of Mr. Fry,
M. Lacordaire, Mr. Waterhouse, and the Rev. H. Clark.
This species is subject to some variation.

ATYPHTJS. 177

Var. A. Scutellum flavous, and the elytra sparingly clothed with
veiy fine pale pubescence.

Var. B. Scutellum flavous, and the elytra clothed with thick and
short squamose pubescence.

Var. C. Scutellum black, and the elytra covered with short and
thick squamose pubescence.

2. Atyphns flaviventris.

A. oblongus, parallelus, subcylindricus, niger ; capite transverso,
subproducto, ad basin punctato ; thorace transverso, ad basin
oblique depresso, impunctato, obsolete pubescenti-flavo ; elytris
parallelis, subrobustis, punctato-striatis, obsolete pubescentibus,
nigris ; antennis Jtliformibus, nigris ; pedibus nigris.

Long. corp. 3 lin., lat. 1^- lin.

Oblong, parallel, subcylindrical, black. Head short, transverse,
very slightly produced in front ; eyes large, tolerably prominent ;
between the base of the antennae and the labrum is a transverse
triangular plane, bounded at its upper margin by two oblique ridges ;
immediately above the base of the antennae are two obsolete eleva-
tions ; the surface is coarsely punctate and black. Thorax trans-
verse ; the anterior angles depressed and subacute ; the sides mar-
ginate ; at the base is a broad and shallow transverse depression,
which extends obliquely upwards towards the anterior angles ; the
surface impunctate and obsoletely pubescent, flavous. Scutellum
triangular, black. Elytra parallel, subrobust, punctate-striate,
clothed throughout (as seen under a high power) with obsolete pu-
bescence ;J black. Antennae filiform, black. Legs black.

Brazil. In the collection of M. Chevrolat.

3. Atyphus comes.

A. oblongus, subparallelus, subpubescens,flavo-ferrugineus; capite
transverso, ad basin antennarum subtiliter bituberculato, subpu-
bescenti, granulato, fulvo-flavo ; thorace transverso, ad basin et
later a depresso, testaceo-pubescenti, fulvo ; elytris robustis, punc-
tato-striatis, pallide pubescentibus, fulvo-ferrugineis, lineis dua-
bus suturaque f usco -nigris ; antennis filiformibus, fuscis ; pedi-
bus fulvis, femoribus posticis tarsisque anterioribus fuscis.

Long. corp. 2| lin., lat. 1 lin.

Oblong, subparallel, jrobust, subpubescent, flavo-ferrugineous.
Head transverse, slightly produced in front ; above the labrum is a
transversely triangular plane depression; between the eyes, and imme-

178 ATYPHT78.

diately above the base of the antennae, are two minute subprominent
tubercles, which are more apparent by being each of them sur-
rounded by a circular fovea ; eyes large and prominent, extending
laterally nearly as far as the angles of the thorax ; the surface (when
viewed under a high magnifying power) subpubescent and finely
granulated, fulvo-flavous. Thorax transverse, slightly broader than
the head, rectangular ; the anterior angles subacute and depressed ;
the sides marginate ; at the base is a broad transverse depression, ex-
tending upwards in a subcircular form towards the anterior angles ;
the surface finely testaceo-pubescent, fulvous. Scutellum triangular.
Elytra parallel, robust, deeply and broadly punctate-striate ; the
colour fulvo-ferrugineous : parallel to the suture are two well-defined
bands of fuscous-black, which extend from the shoulders to the apex ;
these bands have the breadth of two striae, and are at the distance
from the suture of four striae ; the sutural line itself also is obsoletely
fuscous. Antennae filiform, fuscous. Legs fulvous, with the base of
the posterior femora and the anterior tarsi (with part of the anterior
tibiae) fuscous.

Taken in the neighbourhood of Rio Janeiro, by the late Mr. Squire,
December 1859.

4. Atyphus furcipes.

A. ovatus, robustus, cyaneus, nitidus; capite brevi, transverse, ad
basin antennarum T foveolato, impunctato ; thorace lato, trans-
verso, ad basin depresso ; elytris robustis, punctato-striatis ; an-
tennis filiformibus, nigris ; pedibus nigro-cyaneis.

Long. corp. 3| lin., lat. 2 lin.

Ovate, robust, of a bright dark-blue colour throughout. Head
short, transverse, slightly produced in front ; immediately above the
base of the antennae is a distinct fovea in the form of the letter T ;
the surface is impunctate. Thorax broader than the head, trans-
verse ; the anterior angles subprominent and considerably depressed ;
sides marginate ; at the base is a broad and shallow depression of a
semicircular form (extending upwards near the margins in the direc-
tion of the anterior angles) ; the surface is impunctate and glabrous.
Scutellum triangular and impunctate '. Elytra robust, broader than
the thorax, deeply punctate-striate; an antemedial transverse de-
pression (which is broad and shallow) gives an appearance of
prominence to the humeral angles. Antennae filiform, tolerably
robust, black. Legs of a dark-blue colour, the tarsi being suffused
with fuscous.

New Grenada. In the collection of M. Chevrolat.

aETHOSYNUS. 179

This species at first sight closely resembles Rhinotmetus by its
general character and bright blue colour. It may be distinguished,
however, not only by its more robust form, but by its transverse
(instead of elongated) thorax. It approaches more closely still to
Monoplatus, and might readily be taken for a large and robust female
of that group ; independently, however, of the structural peculiarities
of the mouth and tarsi, its thorax is not marked at the base by the
transverse thread-like line which obtains in every example of the
genus that I have been able to examine. Moreover I doubt whether
any true species of Monoplatus are found beyond the borders of the
provinces of Rio Janeiro, Sao Paulo, Minas Geraes, and Espiritu
Santo.

Genus 31. GETHOSYNUS *.

PALPI MAXILLARES dilatati, art. 3° incrassatissimo, ultimo brevi.

PALPI LABIALES subcylindrici, elongati.

ANTENTOE filiformes, sat robustce.

CAPUT breve, depressum.

THOKAX capite latior, transversus, lateribus subsinuatis.

ELYTRA elongata, parallela, subcylindrica, haud ante medium trans-
verse depressa.

PEDES robusti; tibiis posticis super tarsorum insertionem obsolete cal-
caratis.

Labrum subcircular, contracted.

Maxillary palpi (Tab. VII. fig. 6 m) dilated ; the basal joint small
and quadrate ; the second longer, dilated at the apex ; the third, in
length, not greater than, but, at the apex, double the breadth of, the
second ; the terminal joint minute.

Labial palpi (Tab. VII. fig. 6 n) attenuated, subcylindrical, the
penultimate joint being slightly dilated near the apex.

Antennas, approximate, situated immediately below the inner mar-
gin of the eyes, filiform, sufficiently robust ; the basal joint is con-
siderably dilated, more so than in the adjoining genera (approaching
in character the genus Physonychis) ; the third and fourth joints are
subequal, the fourth joint being slightly longer as well as more
attenuate than the third.

Eyes globose, circular, lateral, situated near to the base of the
head.

Head short, depressed, but not produced in front.

Thorax distinctly broader than the head, transverse ; the anterior

* yqOoavvos, lastus ;

180 GETHOSYNUS.

angles are considerably depressed ; the sides marginate and subsinu-
ate in outline.

Scutellum triangular, situated somewhat below the plane of the
elytra.

Elytra broader than the thorax, elongate, parallel, not anteme-
dially transversely depressed, punctate, glabrous.

Legs robust. The anterior femora cylindrical. The tibice are in-
flected at the .immediate base and gradually thickened towards the
apex ; unarmed at the extreme apex by any terminal spur. The tarsi
are short and robust; the first and second joints subequal and tri-
angular ; the third joint broader and more circular, almost bilobed ;
the terminal joint is subincrassated, and slightly inflected downwards
towards the apex. The posterior femora are ovate and short. The
tibice (Tab. VII. fig. 6 g) are inflected at their immediate base ; the
posterior surface is longitudinally grooved; this groove is more
distinctly marginate as it approaches the apex; the margination
(immediately before the insertion of the tarsus) is distinctly sinuate,
or produced into an obsolete tooth ; the socket which contains the
insertion is unarmed at its lateral margins by any pectinations, but
is terminated ultimately by a single robust spur. The tarsus is attenu-
ate ; the basal joint minute, triangular ; the second joint is of the
same form as, but narrower than, the first ; the third joint is shorter ;
from its centre proceeds the apical joint, which is broadly inflated,
and entirely conceals from above the terminal claw ; the claw appears
to be simple, quite unarmed by any inner basal tooth.

Although this genus is formed upon a single example, I have had
no hesitation whatever in separating it from the rest of the group. It
is more parallel and elongate than any of the adjoining forms, and may
at once be separated from them by its general facies.

1. Gethosynus sanguinicollis. (TAB. VII. fig. 6.) B.M.

G. oblongus, nitidus ; capite brevi, hand producto, punctato, inter
oculos biverrucato, rufo ; thorace transverse, ad latera submargi-
nato, complanato,fortiter punctato, rufo ; elytris parallelis, elon-
gatulis, punctato -striatis, nigro-viridescentibus, nitidis ; antennis
filiformibus, nigro-fuscis, articulis ad basin rufo annulatis ; pe-
dibus rufis, tarsis tibiisque anterioribus fuscis.

Long. corp. 3 lin., lat. 1-^ lin.

Oblong-ovate, narrow, slightly depressed ; head and thorax of a
dark crimson-red colour, strongly and coarsely punctate. Head short,
transverse, not produced ; between the eyes, and above the insertion
of the antennae, are two small indistinct tubercles, which give an

A1LOCHROMA. 181

appearance of a depression in the form of the letter T. Thorax
transverse, rectangular ; sides marginate, and parallel to each other,
or very slightly convergent towards the anterior angles; surface
slightly complanate, with an obscure postmedial longitudinal ridge.
Scutellum triangular, fuscous. Elytra parallel, elongate, strongly
punctate-striate, of a bright metallic dark-green colour, the extreme
apex being somewhat tinged with fuscous, and sparingly clothed
with thin pubescence. Antennce filiform, robust, dark rufo-fuscous ;
the basal joint black, broad, especially towards the apex, and de-
flected outwards ; the second joint short, ovate ; the third longer
than the fourth, and the fifth about the length of the first. Legs
bright crimson-red, with the anterior tarsi, tibiae, and upper part of
the femora dark fuscous.

Espiritu Santo, Brazil. A single specimen is in the collection of
the British Museum.

Genus 32. ALLOCHROMA*.

PALPI MAXILLARES elongati, apicem versus subdilatati.

PALPI LABIALES attenuati.

ANTENNAE filiformes, plerumque subtiliter incrassatce.

CAPUT breve, hand antice productum, scepenumero pcene verticale.

THOKAX transversus.

ELYTRA lata, robusta, abbreviata, aliquando ante medium transverse
depressa, glabra, rarius pube vestita.

PEDES : tibiae posticce a retro visce longitudinaliter marginatce, sinuatce
aut rectce, breves.

Labrum transverse, short, subcircular ; mandibles concealed, armed
more or less distinctly at their inner surface with a double depression
forming together a short tooth.

Maxillary palpi (Tab. VII. fig. 7 m) elongate, robust ; the first
joint short, quadrate, constricted at the base; the second longer and
broader, transversely truncate; the penultimate short, transverse,
robust, the breadth being greater than (or at least equal to) the
length, incrassated towards the apex ; the last joint conical and ab-
breviated.

Labial palpi (Tab. VII. fig. 7 n) attenuate and more or less elon-
gate ; the basal joint short ; the second and third of subequal length,
almost cylindrical, and attenuated towards the apex.

Antennce situated below (or in a line with) the lower margin of
the eyes, robust, filiform, with a distinct tendency in many species

* a\Xo?, di versus ; xpw/ia, color.

182 ALLOCKROMA.

to dilatation ; the basal joint is long, and incrassated towards the apex ;
the second short and ovate ; the third attenuate, and always longer
than the first ; the fourth varies in length in different species, some-
times it is shorter than (but more frequently equal in length to) the
third and fifth ; the rest of the joints are robust and generally sub-
incrassated.

Eyes globose, lateral, situated at the base of the head.

Head much narrower than the thorax, hardly produced in front,
depressed, frequently at right angles to the plane of the thorax.

Thorax transverse (very rarely if ever quadrate), broader than the
head ; the anterior angles are depressed and distinct (not obsolete or
rounded, as in the genus Rhinotmetus) ; the sides are marginate and
for the most part parallel ; the surface is generally broad and flat
rather than subcylindrical, glabrous, or in some cases sparingly
clothed with obsolete pubescence.

Scutellum well-developed, triangular, situated in the same plane as
that of the elytra.

Elytra broad, cylindrical, and abbreviated; always broader and
more robust than the thorax ; in some species antemedially trans-
versely depressed ; the surface is punctate-striate, glabrous or finely
pubescent, and generally brightly coloured.

Legs robust and sufficiently elongate. The anterior femora sub-
cylindrical. The tibice are inflected at the immediate base, straight,
unarmed, longitudinally grooved in front. The tarsi are broad and
short; the first and second joints are subequal, and in form trian-
gular, in most species broader than the apex of the tibiae ; the third
joint is of still greater breadth, and deeply bilobed ; the terminal
joint is slightly incrassated towards the apex : the claw is armed at
its inner surface with a very distinct tooth. The posterior femora
are incrassated and ovate. The tibice are distinctly incurved at the
base, straight, and longitudinally grooved along their posterior sur-
face : the margins of this groove are in no instance serrated or armed
with a tooth ; for the most part they are straight, rarely in outline
even sinuate : the apex of the tibia is dilated and obliquely truncate :
the socket for the insertion of the tarsus is unarmed laterally (as is
the case in other genera) by comb -like teeth; it is terminated by
two strong and very distinct spurs. The tarsus is short and attenu-
ated ; the two basal joints are subdilated towards their apex ; the
third is circular and somewhat broader ; the fourth broadly inflated :
the terminal claw, like the anterior, is armed at its inner surface
with a basal spur.

This genus may without difficulty be separated from, those adjoining
it. In general facies the species composing it are shorter and more

ALLOCKEOMA. 183

robust ; the elytra are distinctly broader than the thorax, and for the
most part brightly coloured. Its transverse and rectilinear thorax,
together with the unarmed posterior tibiae, will also separate it from
those groups to which, from the form of the palpi, it is nearly allied.

1. Allochroma humerale.

A. ovale, robusttim, subdepressum, nigrum ; capite brevi, ad apicem
elongatulo, longitudinaliter carinato, punctato, ad basin penitus
granulato, rufo (inter oculos nigro maculato) ; thorace transverse,
ad apicem leniter constricto, antice (ad latera) depresso, cequato,
punctato, rufo, macula longitudinali ad medium, alterisque apud
angulos anticos, nigris ; elytris robustis,punctato-striatis,flavo-
pubescentibus, fusco -nigris, ad humeros rufo notatis; antennis
rujis, art. 5-8 rufo-fuscis ; pedibus rufis, tibiis anterioribus
(tarsorumque apicibus) fuscis.

Long. corp. 3| lin., lat. 2 lin.

Oblong, oval, slightly convex, robust, black. Head very short,
depressed, almost vertical, slightly elongate ; eyes large, but not pro-
minent, situated at the back of the head ; at the base of the antennae
(immediately above their insertion) a short longitudinal fovea is
apparent ; below the insertion of the antennae is a longitudinal ridge,
extending nearly to the mouth ; the surface is punctate, especially
at the base, where it is almost granulated ; the colour is rufous, with
a dark fuscous suffused spot between the eyes and close to the base.
Thorax transverse, slightly constricted towards the head ; the anterior
angles considerably depressed ; the sides submarginate ; surface
smooth and equate throughout, very thickly punctate, rufous, with a
dark fuscous medial longitudinal line (which is broad, and widening
towards the middle) extending from the head to the basal margin ;
the depression also of the anterior angles is of a dark fuscous colour.
Scutellum triangular, impunctate, rufo-fuscous. Elytra somewhat
broader than the thorax, robust, short, punctate-striate, of a dark
fuscous colour, clothed throughout with a short flavous pubescence ;
from the base of the elytra (between the scutellum and the humeral
angle) is a broad longitudinal rufous band, diminishing gradually in
breadth and terminating medially at the fifth stria. Antennce filiform,
short, rufous, with the fifth to the eighth joints rufo-fuscous. Legs
rufous, with the anterior tibiae (as well as the apex of the tarsi)
fuscous.

A. humerale may be distinguished from its congeners by its greater
size, and more particularly by the short and thick flavous pubescence
on its elytra.

From the district of the River Amazon.

184 ALLOCHEOMA.

2. Allochroma coccineum.

A. oblongo-ovatwn, latum, robustum^mpubescenSjpunctato-striatum,
pallide rufum, glabrum ; capite brevi, Tiaud producto, inter oculos
oblique foveolato, impunctato ; thoraee transverse, ante submar-
ginato, apud angulos posticos obsolete depresso ; elytris latis,
striato-punctatis, ante medium transverse depressis ; antennis ro-
bustis, JiUformibus, ad apicem subtiliter incrassatis, rufo-fuscis,
art. 6-11 fuscis ; pedibus anterioribus nigro-fuscis, postids rufis.

Long. corp. 2^ lin., lat. 1^- lin.

Oblong-ovate, broad, robust, impubescent ; punctate-striate, of a
pale rufous colour throughout, glabrous. Head short, transverse, not
produced in front ; above the labrum is a transverse plane ; above
the base of the antennae and between the eyes is a distinct and sub-
circular groove, which extends obliquely upwards towards the upper
margin of the eyes ; the surface impunctate : eyes large and prominent,
situated at the base of the head, but not extending laterally as far as
the anterior angles of the thorax. Thorax transverse, broader than
the head ; the anterior margin slightly emarginate ; the anterior
angles depressed and subacute ; the sides marginate ; the posterior
angles subacute ; the surface is equate, without any transverse basal
depression ; two very obsolete impressions are situated submedially
in the direction of the posterior angles. Scutellum triangular, large,
rounded at the apex, impunctate. Elytra broader than the thorax,
robust, slightly attenuated towards the apex, with punctures arranged
in the form of striae ; a broad and shallow depression extends trans-
versely a little above the middle, which gives an appearance of pro-
minence to the base; at the sixth stria from the suture a short
longitudinal depression (close to the shoulder) gives distinctness to
the humeral angle. Antennae, robust, filiform, with a slight tendency
to dilatation at the apex ; rufo -fuscous, the sixth to the tenth joints
being fuscous. Legs: the anterior darkly fuscous; the posterior
rufous throughout.

Brazil. Taken by Mr. Fry, and also by my friend Mr. Gray and
myself, in the neighbourhood of Rio Janeiro.

This species is subject to slight variation in colour, some examples
being of a brighter crimson hue than others : in one example in
Mr. Fry's collection the posterior legs are black, and the antennae
more distinctly incrassated and of a deep black colour throughout.

In figure and general appearance, as well as in size, this species
approaches closely to Altica chlorotica, Oliv. (vol. vi. p. 690, spe-
cies 57, plate 2. fig. 37) ; it wants, however, the transverse postical
line on the thorax, and appears to be deeper in colour than Olivier's
species.

ALLOCHROMA. 185

3. Allochroma sexmaculatum. (TAB. VII. fig. 7.) B.M.

A. oblongo-ovatum, sat robustum ; capite foveolato ; thorace trans-
verso, ad later a marginato, ad basin depresso, punctate, fusco-
rufo ; elytris latis, punctato-striatis, apicem versus obsoletis, tes-
taceis, nigro sex-maculatis ; maculis duabus ante medium obliquis,
alteris duabus post medium subcircularibus, et juxta humeros
duabus minutis, fusco suffusis ; antennis robustis, Jiliformibus,
rufo-fuscis ; pedibus robustis, rufis, fusco suffusis.

Long. corp. 3 lin., lat. 1^ lin.

Oblong-ovate, tolerably robust, impubescent, punctate- striate,
shining, testaceous. Head short, very slightly produced in front ;
above the labrum is a distinctly transverse plane depression ; imme-
diately above the antennae is a longitudinal fovea (extending nearly
to the basal line) which is bisected at right angles by a short trans-
verse carination, these two together forming, medially, between the
eyes the character of a cross; on either side of these is a lateral
angulated depression almost parallel to, but not approaching, the
margins of the eyes ; closely adjoining the base of the antennae is
another small but deep depression; the surface is impunctate and
rufous. Thorax somewhat broader than the head, transverse, rect-
angular ; the anterior angles acute and depressed ; the sides broadly
marginate ; near the basal angles is an indistinct depression, more
apparent when viewed transversely ; the surface is deeply punctate
throughout, of a dark rufous colour suffused with fuscous. Scutellum
triangular; the apex being somewhat rounded, impunctate, black.
Elytra broader than the thorax, robust, punctate-striate, the punc-
tures being large and deep, and the striae very apparent at the
humeral angles ; the striae near the middle are no longer discernible,
while at the apex the punctures are almost entirely obsolete ; the
colour is testaceous : on either side of the suture are two irregu-
larly formed black markings ; the one, antemedial, extends obliquely
from the second to the fifth stria, in form obliquely and irregularly
lozenge- shaped (on either side of this, between the seventh and
eighth striae, is a minute subcircular spot of suffused black); the
other, postmedial, immediately adjoining the suture, is subcircular,
between the second and the seventh rows of punctures. Antennce
robust, filiform, rufous ; the fifth and sixth joints being longer than
the third. Legs rufous, suffused with piceous.

A. sexmaculatum has evidently a very extended range. I have
before me examples from Guatemala (from the British Museum col-
lection), St. Catharine, and other districts of Brazil.

In the collection of the British Museum, and in most private cabinets.

186 ALLOCHROMA.

4. Allochroma fasciatum. (TAB. VII. fig. 8.) B.M.

A. oblongo-ovatum, robustum, depressum, punctatum, rufum ; capite
ad basin T foveolato ; thorace transverso, ad latera marginato ;
elytris sat latis, punctatis, rufis, ad humeros et pone medium
nigris (i. e. fascia transversa tenui ad medium, sutura, basique
rufis) ; antennis robustis,filiformibus,fuscis ; pedibus rufis, fusco
suffusis.

Long. corp. 2f lin., lat. 1-J- lin.

Oblong- ovate, robust, depressed, punctate, impubescent, of a dark
rufous colour. Head short, hardly produced ; above the labrum is a
transverse triangular depression ; above the base of the antennae and
between the eyes is a longitudinal fovea, which is terminated at its
upper extremity by another, transverse (extending between the inner
margins of the eyes), these two together forming the character of the
letter T ; eyes tolerably prominent, situated near the base of the
head ; the surface (when viewed under a high power) darkly rufous.
Thorax considerably broader than the head, transverse ; the anterior
angles depressed and prominent; the sides broadly marginate; at
the base (when viewed laterally) is an obsolete transverse depres-
sion ; the surface, under a high power, is minutely punctured, of a
dark rufous colour, suffused with fuscous. Scutellum triangular, ru-
fous. Elytra broader than the thorax, subdepressed, with punctures
arranged in the form of striae ; these punctures become obsolete as
they approach the apex : black ; a transverse medial band, and also
the apex being rufous ; the suture also is narrowly rufous. Antennae
robust, filiform, rufo-fuscous. Legs rufous ; the anterior tibiae and
femora being suffused on their upper surface with fuscous.

This species is subject to slight variation as to colour, and also the
breadth of the transverse marking on the elytra.

Mexico, and the northern portion of the continent of South America.
In the cabinet of the British Museum, and in most collections.

5. Allochroma piceum.

A. ovale, sat robustum, subdepressum, nigro-piceum, nitidum ; capite
brevi, haud antice elongato, inter oculos foveolato, punctulato,
fusco -castaneo ; thorace transverso, rectangulari, angulis subacutis,
post medium transverse depresso, punctato ; elytris punctis magnis
velut in striis coordinatis (ad marginem striatis), ante medium
transverse et oblique depressis, apud humeros, marginem, et apicem
parum castaneis ; antennis robustis, piceis, art. 10WO et \\mo fiiscis ;
pedibus piceis.

Long. corp. 2| lin., lat. \\ lin.

ALLOCHROMA. 187

Oval, black, shining. Head short, depressed, scarcely elongated
in front, dark rufous ; labrum fulvous ; eyes distant and slightly
prominent : between the eyes, and above the insertion of the antennae,
is a longitudinal fovea which extends nearly to the base of the head
(narrowed between the eyes, but broader as it approaches the basal
margin) ; a transverse and less distinctly denned fovea (increasing in
breadth near the eyes) crosses this at right angles : the surface of
the head is sparingly punctate, and of a rich castaneous colour.
Thorax transverse, with the anterior and posterior angles acute ;
sides marginate, subsinuate ; near the base is a broad and shallow
transverse depression; the surface is distinctly but sparingly punctate,
piceous, shining. Elytra with deep and distinct punctures' arranged
in the form of striae ; a broad and indistinct antemedial depression
(which is inflected upwards on either side towards the shoulders)
gives an appearance of fullness or prominence to the anterior angles ;
the colour is dark piceous, fading away at the shoulders, along the
margins, and especially towards the apex, into a castaneous brown.
Antenna filiform, robust, piceous ; the apex of the first and second
joints, and the tenth and eleventh fuscous. Legs robust, piceous
throughout.

Brazil.

6. Allochroma Balii,

A. ovale, subdepressum, nigrum, nitidum ; capite et thorace rujls ;
capite breviy transverso, antice elongatulo, inter oculos transverse
foveolato ; thorace transverso, ad latera marginato ; scutello rufo ;
elytris latis, fascia albo-flava antemedia, ad suturam bipartita,
maculisque duabus ad apicem, circularibus, marginem Qiaud
suturam) attingentibus, punctis obsoletis veluti in striis ordinatis ;
antennis fuscis ; pedibus fuscis, femoribus posticis flavis.

Long. corp. 2-| lin., lat. 1£ lin.

Oval, broad, subdepressed, black, glabrous. Head slightly de-
pressed, produced somewhat in front; eyes prominent, lateral; between
the eyes is a transverse and also a longitudinal fovea, forming together
the character of the letter T ; the surface is impunctate, except near
the basal line, where scattered punctures are apparent ; the colour is
rufo- castaneous. Thorax transverse ; the anterior margin slightly
emarginate ; the sides broadly marginate, and (when viewed laterally)
depressed ; the surface is impunctate and rufo-castaneous. Scutellum
triangular, rufous. Elytra broad, black, shining, with faint and
sparingly distributed punctures arranged as striae \ a broad antemedial
transverse fascia, of a straw colour, is interrupted at the suture ; near
the apex are two large circular spots of the same colour. Antennce
short, robust, slightly incrassated towards the apex, fuscous. Legs

188 ALLOCHROMA.

black; the posterior femora being black, and the tibiae and tarsi
fuscous.

South America. A single example in the collection of Mr. Baly.

7. Allochroma lunatum. (TAB. VIII. fig. 1.)

A. oblongo-ovatum, latum, robustum, impubescens,punctato-striatum,
flavum ; capite brevi, inter oculos foveolato, punctato ; ihorace
transverso,rectangulari ; elytris robustis,punctato-striatis, macula
subcirculari ad scutellum, alteraque obliqua ad apicem, nigris ;
antennis filiformibus, flams, art. 5 et 6 fusco suffusis ; pedibus
flams, femoribus posticis fuscis.

Long. corp. 2| lin., lat. 1| lin.

Oblong-ovate, broad, robust, impubescent, punctate-striate, of a
flavous colour. Head transverse, abbreviated, not produced in front ;
below the base of the antennae is a transverse triangular depression
(impunctate and glabrous) ; between the eyes is a short longitudinal
fovea, bisecting at its upper extremity another transverse depression,
thus forming together the character of the letter T ; eyes globose,
extending laterally not quite so far as the base of the head ; the sur-
face is very finely punctate. Thorax transverse, rectangular ; the
anterior angles depressed and well-defined ; the sides finely margi-
nate and rectilinear ; the surface is equate, clothed sparingly with a
very fine pubescence. Scutellum triangular, impunctate, and black.
Elytra broader than the thorax, robust, distinctly punctate-striate ;
flavous, with an almost circular black marking near the scutellum,
extending laterally on either side to the seventh stria, and (in the
direction of the apex) the distance of one-third of the whole length
of the elytra : another marking at the apex is also common to both
elytra ; its upper margin commencing medially, at the sides, extends
obliquely towards the suture ; this apical marking is interrupted at
the suture by the distance on either side of one stria. Antennae
filiform, robust (subincrassated), flavous, the fifth and sixth joints
being suffused with fuscous. Legs flavous; the posterior femora
being fuscous (suffused at the base with rufo-flavous), and the glo-
bular inflation on the posterior claw brightly rufo-fuscous.

This beautiful species is from the district of the Biver Amazon.
In the collections of Messrs. Baly, Bates, Herr Dohrn, M. Chevrolat,
and the Rev. H. Clark.

8. Allochroma flavovittatum.

A. ovale, latum, subdepressum, obsolete pubescens, rufum ; capite
brevi, inter oculos transverse foveolatum ; thorace transverso,

ALLOCHROMA. 189

punctato, rufo ; elytris latis, punctato-striatis, nigris, fascia
transversa media flava, sutura quoque a fascia ad scutellum
lateflava ; antennis flliformibus, fuscis ; pedibus flavis.
Long. corp. 2J- lin., lat. 1— 1-J- lin.

Oval, broad, depressed, obsoletely pubescent, rufous. Head very
short, vertical, slightly produced; eyes large, prominent, extending
laterally as far as the line of the margin of the thorax : from the
labrum a longitudinal carination extends upwards to the insertion of
the antennae ; on either side of this are two other obliquely transverse
carinations extending to the sides of the mouth ; above the insertion
of the antennae, and between the eyes, is a transverse fovea : the sur-
face in front is glabrous, near the basal margin punctate, rufous.
Thorax transverse, rectangular, slightly constricted towards the
base ; the anterior angles are depressed ; the surface is thickly punc-
tate, rufous. Scutellum triangular, flavo-rufous. Elytra much
broader than the thorax, depressed, coarsely punctate-striate, dark
cinereous black : a broad postmedial flavous fascia extends from the
margination to the suture ; its lower boundary (as it approaches the
suture) inclines slightly towards the apex ; upon its anterior margin
it is rounded off from the margination upwards, extending obliquely
towards the scutellum, and bounded at the scutellary angles by the
second stria ; this flavous fascia is clothed throughout with yellow
pubescence, the extreme apex of the elytra being clothed with white
pubescence. Antennce filiform, attenuate, fuscous, the basal joint
being flavous. Legs entirely flavous.

From the district of the River Amazon.

9. Allochroma venustum.

A. ovatum, robustum, impubescens, punctato-striatum, flavo-ferru-
gineum ; capite brevi, inter oculos foveolato, granulato ; thorace
transverse, ad basin depresso,punctato ; elytris robustis,punctato-
striatis (ad apicem obsolete}, ante medium transverse subdepressis,
subtiliter pubescentibus ; antennis flliformibus, robustis, subin-
crassatis, flavis, art. 7-10 fuscis ; pedibus flavis.

Long. corp. 2 lin., lat. 1-^ lin.

Ovate, robust, impubescent, punctate-striate, flavo-ferrugineous.
Head short, slightly produced in front ; above the labrum is a trans-
verse triangular depression ; eyes tolerably globose, black, situated
nearly at the base of the head, extending laterally nearly as far as
the anterior angles of the thorax ; between the eyes is a medial
longitudinal fovea ; the surface is finely granulated. Thorax trans-
verse (almost quadrate), slightly constricted towards the apex ; the

190 ALL6CHEOMA.

anterior angles are much depressed; the sides marginate; at the
base (when viewed obliquely) is a broad transverse depression ; the
surface is finely and thickly punctate throughout. Scutellum tri-
angular, impunctate. Elytra considerably broader than the thorax,
robust, punctate-striate (the striae becoming almost obsolete as they
approach the apex); an antemedial transverse depression gives a
prominence to the surface near the scutellum, extending obliquely
upwards, and terminating in a short and deep longitudinal fovea at
the apex of the shoulders, between the eighth and ninth striae : the
surface (when viewed under a high power) is clothed throughout
sparingly with an obsolete flavous pubescence; this pubescence is
more apparent near the apex. Antennce filiform, robust, tolerably
short, subincrassated, flavous, the joints seven to ten being fuscous.
Legs flavous throughout.

Brazil.

A. venustum may be recognized from most of its congeners by its
concolorous elytra ; it is distinctly broader than the two following
species, which also are concolorous.

10. Allochroma nigro-marginatum.

A. oblongo-ovale, robustum, subpubescens, flavo-ferrugineum; ca-
pite brevi, ad basin carinato ; thorace transverse, angulis anticis
subtruncatis, punctulato, ad basin pubescenti, ad marginationem
piceo ; elytris latis, punctato-striatis ; antennis dilatatis, art, 1—5
flavis, 6-9 rufo-piceis, 10 et 11 rufo-ferrugineis ; pedibus flavo-
ferrugineis.

Long. corp. 1 lin., lat. J lin.

Oblong-oval, broad, robust, very finely pubescent, of a flavo-
ferrugineous colour throughout. Head short, depressed, slightly
elongated ; in front of the head is an obsolete transverse triangular
depression; above the insertion of the antennae are two oblique
carinations extending transversely to the base of the head ; eyes
situated at the base of the head ; the surface is finely punctate.
Thorax transverse ; the anterior angles depressed and truncate ; the
sides marginate and rectilinear (very slightly subsinuate towards
the base) ; the surface is very finely punctate, clothed with pubes-
cence towards the sides and apex; at the margination piceous.
Scutellum small, triangular, pubescent. Elytra broad, robust, finely
punctate-striate, transversely and antemedially subdepressed ; finely
flavo-pubescent. Antennae robust, slightly dilated towards the
middle ; the joints one to five are flavous, six to nine rufo-piceous,
ten and eleven rufo-ferrugineous. Legs flavo -ferrugineous throughout.
Rio Janeiro. In the collection of the Rev. H. Clark.

ALLOCHROMA. 191

11. Allochroma assimile.

A. oblongo-ovatum, latum, robustum, tenuiter subpubescens, flavo-
ferrugineum ; thorace quadrato, ad basin transverse depresso ;
elytris punctato-striatis, ante medium subdepressis, ad latera et ad
basin subpubescentibus ; antennis ad apicem dilatatis, art. 1—5
flavo-rufis, 6-8 rufo-piceis (cceteri desunt) ; pedibus anterioribus
flavis, postic-is rufo-flavis.

Long. corp. 1 lin., lat. ^ lin.

Oblong- ovate, broad, robust, finely subpubescent (not so distinctly
and generally as in A. nigro-marginatum) ; the colour is flavo-
ferrugineous throughout. Head short, transverse, slightly produced ;
above the base of the antennae, and between the eyes, are two obso-
lete obliquely-transverse carinations, while between them is a third,
medial, reaching to the base of the head ; the surface is finely punc-
tate. Thorax quadrate; the anterior angles subacute and much
depressed ; the sides marginate ; the surface more distinctly pubes-
cent than in A. nigro-marginatum ; the base is broadly and trans-
versely subdepressed. Scutellum small, triangular, flavous. Elytra
broad, robust, subparallel, finely punctate-striate, the striae being
almost obsolete ; finely pubescent at the sides and apex, and very
sparingly throughout the whole surface (more sparingly than in the
former species) ; a broad and faint transversely oblique depression
extends antemedially in the direction of the shoulders. Antennce
tolerably robust, slightly dilated towards the middle and apex; joints
one to five flavo -rufous, six to eight mfo-piceous (the rest are
wanting in the example before me). Legs: the anterior flavous;
the postical rufo-flavous.

This species is at first sight closely allied to A. nigro-marginatum ;
it may without difficulty be separated by the quadrate form of its
thorax, and also by its somewhat less distinct pubescence.

Bio Janeiro. In the collection of Mr. Baly.

12. Allochroma quatuor-pustulatum. B.M.

A. ovale, subparallelum, rufo-flavum, nitidum; capite brevi, de-
presso, haud producto, inter oculos in forma literce T foveolato ;
thorace transverso, angulis subacutis, ad latera marginato, spar-
sim punctulato crebrius ad basin ; maculce duce circulares nigrce
ad basin appropinquant ; elytris punctato-striatis, maculis qua-
tuor nigris circularibus ornatis, ad marginem rufo-ferrugineis ;
antennis brevibus, robustis, incrassatis, art. 1—5 rufo-flavis, 6—9
nigris, 10 et 11 testaceis ; pedibus flavis.

Long. corp. 2^ lin., lat. 1-1 ij- lin.

192 ALLOCHEOMA.

Oval, rufo-flavous. Head short, depressed, not anteriorly produced :
eyes tolerably large, distant, not extending laterally as far as the
posterior angles of the thorax ; parallel to the inner margin of each is
a semicircular depression, while between these depressions a T-shaped
fovea is apparent : the surface is impunctate. Thorax transverse,
rectangular ; the anterior angles are prominent and subacute ; the
sides marginate and depressed ; the basal angles also subacute ; the
surface is equate, finely punctured, glabrous ; at the base are two
circular black spots ; the margination is rufo-fuscous, and the sides
suffused with rufous. Scutellum triangular. Elytra broad, deeply
punctate-striate ; on either side of the suture (occupying the space
between the second and the sixth striae) are two large circular spots
of a dark fuscous or black colour ; the margination of the elytra is
rufo-fuscous. Antennae, short, robust, subincrassated ; the first joint
being long, and dilated at the apex ; the second short, ovate ; the third
shorter than the first, and contracted ; the fourth and fifth shorter than
the third ; the remaining joints gradually but slightly incrassated ;
the first to the fifth flavous, the sixth to the ninth dark fuscous, the
tenth and the eleventh testaceous. Legs flavous throughout.

Guatemala. A single specimen, in the cabinet of the British
Museum.

This species, closely resembling A. festivum, is separated from it
not only by its larger size and the different arrangement of its
maculations, but in the character of the surface of its thorax, which
is much more finely and less closely punctured.

13. Allochroma festivum.

A. ovale, sat robustum, ferrugineum, nitidum ; capite brevi, hand
producto, inter oculos transverse foveolato ; thorace transverse,
angulis anterioribus depressis, marginato, punctato, maculis dua-
bus postmediis nigris ornato ; elytris fortiter punctato-striatis,
maculis quatuor nigris inter strias 2am et Qtam; antennis robustis,
ad apicem subincrassatis, fusds, art. &°-QM nigris; pedibus

Long. corp. 2-L lin., lat. 1^ lin.

Oval, ferrugineous, shining ; of the form of the preceding species.
Head very short and depressed : from the base of the antennae a
short longitudinal furrow extends medially upwards, and meets a
transverse fovea between and somewhat above the eyes, the two
together forming the letter T; this T-shaped canaliculation is
bounded on either side by a depression, which is close to, and follows
the course of, the inner margin of the eyes : the surface is finely

ALLOCHROMA.

193

punctate. Thorax transverse ; the anterior angles depressed ; the
sides marginate ; the surface is punctate, more distinctly at the base :
a postmedial transverse depression (which does not reach the basal
line) extends to the margination ; in this depression are two con-
tiguous circular spots. Scutellum sufficiently large, triangular, fus-
cous. Elytra tolerably robust, coarsely punctate-striate ; in the
centre of the antemedial, and also of the postmedial part of the
elytra (between the second and the sixth striae) is a large insulated
black macula (that nearer to the shoulders subcircular, that at the
apex oval or -elongate). Antennae robust, short, incrassated towards
the base, fuscous, with the sixth to the ninth joints back. Legs ro-
bust, ferrugineous.

Brazil.

A. festivum differs from all other species, except the preceding, in
its four distinct markings on the elytra.

14. Allochroma sex-signatum. (TAB. VIII. fig. 2.)

A. ovatum, robustum, flavum ; capite depresso, antice Tiaud attenu-
ato, inter oculos in forma literce T foveolato, impunctato (ad ba-
sin punctis minutis notato), rufo ; ihorace transverse, rectangu-
lari, angulis distinctis marginatis, flavis ; elytris punctis veluti
in striis dispositis, flavis, ad basin rufo suffusis ; maculis sex
nlgris, ad humeros duce, ad scutellum duce circulares, duceque
post medium transversce ; antennis robustis, subincrassatis ; pe-
dibus flavis, tarsis anterioribus (tibiisque superne visis) fuscis.

Long. corp. 2-J lin., lat. 1 J lin.

Ovate, robust, flavous. Head large, very slightly produced, de-
pressed ; eyes tolerably large, but not extending laterally to the line
of the anterior angles of the thorax ; between the eyes is a very
distinct T-shaped fovea, the longitudinal line of which is extended
obsoletely upwards towards the base ; the surface of the head is im-
punctate (with a few scattered minute punctures at the base) and
rufous. Thorax transverse, rectangular, slightly compressed towards
the base ; the anterior angles are prominent and subacute ; the sides
distinctly marginate ; the posterior angles distinct ; the surface is
equate (without any depressions), impunctate, and in colour flavous.
Scutellum distinct, triangular, large, impunctate, flavous. Elytra
broad, robust, with rows of large and shallow striae-like punctures ;
a slight and broad depression extends transversely, a little in front of
the middle ; the surface is flavous ; the apex is broadly suffused with
rufous; six large black spots are distributed on the surface: one,
on either side, at the humeral angle, a second (larger and circular)
near the scutellum, and the third (larger still and transverse) post-

194 CERICHKESTUS .

medially. Antennae robust, filiform, with a tendency to inerassation
towards the apex, fuscous. Legs flavous, with the anterior tarsi and
upper part of the anterior tibiae fuscous.
Brazil.

15. Allochroma generosum. (TAB. VIII. fig. 3.) B.M.

A. oblongo-ovale, subcylindricum, cyaneum, nitidum ; capite et
thorace rufis, valde punctatis ; capite brevi, subdepresso, antice
paulum producto ; thorace transverse, angulis prominulis, 'lateri-
bus marginatis, ad medium sensim anguloso-undulatis, bituber-
culato ; elytris parallelis, punctis velut in striis ordinatis ; an-
tennis brevibus, fuscis ; pedibus nigris.

Long. corp. 3 lin., lat. 1J lin.

Oblong-ovate, somewhat cylindrical, of a dark blue colour, shining ;
head and thorax strongly punctate, fulvo-rufous. Head short, trans-
verse, depressed, hardly elongated in front ; eyes distant, slightly pro-
minent, extending laterally as far as the line of the thorax at the an-
terior angles ; between the eyes (most apparent when viewed in front)
is a transverse depression, which is connected with the insertion of
the antennae by a short medial horizontal fovea. Thorax slightly
transverse (almost quadrate); the sides marginate, slightly dilated
at the middle ; the anterior angles distinct and subacute. Scutellum
triangular, impunctate, fulvous. .Elytra somewhat robust ; the sides
are parallel, with broad and shallow punctures arranged as strias ;
an appearance of prominence is given to the anterior angles by a
shallow transverse depression which extends obliquely in the direc-
tion of the shoulders ; the colour is cyaneous, shining. Antennae
short, filiform, with a slight tendency to dilatation in the fifth to the
eleventh joints, all of which are short, and of similar form and equal
size ; the first joint is narrow at the base, but dilated at the apex,
of the length of the fourth ; the second short, ovate ; the third
attenuated, longer than the first or the fourth ; black. Legs rufo-
fuscous.

Columbia. A single example is in the collection of the British
Museum.

Genus 33. CERICHRESTUS*.

PALPI MAXILLAEES globosi, art. 3tio plus duplo 2nd0 latiori, quadrato.
PALPI LABIALES elongati.

ANTENNA robustce, ad apicem attenuatce, ad medium subincrassatce.
CAPUT breve, verticaU.

* ice/oaf, (cornu), frons, facies ; xpjjffroe, eximius.

CERICHKESTUS. 195

THORAX transversus, ad basin plerumque transverse depressus.

ELYTRA parallela, punctato-striata, plerumque tomentosa aut holo-
sericea.

PEDES : tibiis posticis, a retro visis, longitudinaliter canaliculatis, Jiaud
calcaratis.

Labrum transverse, sinuate.

Mandibles concealed ; at their inner surface, near the base, sub-
dentate.

Maxillary palpi (Tab. VIII. fig. 4 m) globose ; the basal joint
quadrate ; the second broader, and subdilated at the apex ; the third
subdilated, and sometimes obliquely truncate at the apex ; the third
twice the breadth of the second, and quadrate ; the fourth short and
flattened.

Labial palpi (Tab. VIII. fig. 4%) elongate; the first and second
joints being subincrassated towards their apex ; the third elongate
and cylindrical.

Antennas approximate, filiform, in some species subdilated, robust,
the length in the females being not more than two-thirds that in the
males ; the basal joint is produced, slightly dilated, and subinflected
outwards ; the third, fourth and fifth are shorter than the first, and
subequal.

Eyes large and prominent, situated at the base of the head ; in the
males more globose than in the females.

Head short, not produced in front, vertical.

Thorax transverse ; the anterior angles considerably depressed ;
the sides parallel, not sinuate in outline ; the base is generally more
or less transversely depressed, and the surface for the most part
clothed with pubescence.

Scutellum triangular, situated in the plane of the elytra.

Elytra broader than the thorax, parallel, sometimes subcylindrical,
strongly punetate-striate, generally clothed with dark pubescence
more or less concealing the punctures of the strias ; the antemedial
surface is never depressed transversely.

Legs : the anterior femora robust, cylindrical, subdilated towards
the middle. The tibice are short, inflected at their immediate base,
and gradually thickened towards the apex. The tarsi are short ; the
first joint triangular, not broader than the apex of the tibias ; the
second is of the same form, but somewhat smaller ; the third is
broader, more transverse, and distinctly bilobed; the fourth, pro-
ceeding from the base of the third, is produced and gradually thick-
ened towards the apex : the ultimate claw is bifid, and armed at its
inner surface near the base with a projecting spur or tooth, which is

o2

196 CERICHRESTT7S.

much more prominent than in adjoining groups. The posterior
femora (when viewed transversely) are very much incrassated and
ovate ; in the males they are distinctly more elongate than in the
females. The tibiae are short, inflected at the immediate base, and
longitudinally grooved along the posterior surface; this groove is
gradually deepened into a terminal socket for the reception of the
base of the tarsus ; the margination of the groove is never, I believe,
dentate, but generally subsinuate ; the apex is subdilated and ob-
liquely truncate, and armed below the insertion of the tarsus with a
robust double spur. The tarsw is short ; the first joint is consider-
, ably dilated at the apex ; the second more filiform ; the third much
shorter and subcircular ; from its centre proceeds the ultimate joint,
which is apically dilated into a large globular inflation completely
concealing from above the terminal claw.

This genus has a facies peculiarly its own, and unmistakeable.
The antennae, which are generally filiform, are more attenuate to-
wards the apex than in other genera ; the elytra are parallel and
subcylindrical, much more elongate than in the genera Allochroma
or Omototus ; the surface is generally clothed throughout with a thick
and short pubescence.

The sexual distinctions in this genus are evident : the males are
less robust in form ; they have the antennae considerably longer, the
eyes slightly more globose, the posterior femora more elongate (ex-
tending nearly to the apex of the elytra), and also the basal joints of
the anterior tarsi flatly and broadly dilated.

1. Cerichrestus Balii.

C. oblongus, ovalis, parallelus, pubescens, niger ; capite brevi, nigro,
ad apicem fulvo, ad basin fulvo maculato ; ihorace transverso,
subquadrato, antice coarctato, ad basin transverse depresso, nigro-
pubescenti, ad latera Icete aureo marginato ; elytris elongatis,
punctato-striatis, ad humeros fulvo notatis ; antennis robustis,
incrassatis, nigris, art. 9-11 testaceis ; pedibus fuscis, femoribus
(ad basin), tibiis tarsisque posticis testaceis.

Long. corp. 3£ lin., lat. 1^- lin.

Oblong, oval, the sides parallel and somewhat attenuated ; pubes-
cent, black. Head very short, depressed, slightly produced in front ;
eyes distant, situated at the base of the head, and extending laterally
not quite so far as the anterior angles of the thorax. Antennce
approximate ; labrum and maxillary palpi of a dark bright-fuscous
colour ; the lower part of the head (below the insertion of the an-
tennae) pale ferrugineous ; above the antennae granulated and black ;

CERICHRESTUS. 197

immediately behind the eyes (between them and the base of the head)
is a small fulvous marking which is confluent with the marking on
the thorax. Thorax broader than the head, but gradually com-
pressed in front, so that the anterior angles (which are distinct and
slightly prominent) are at the same distance one from the other as
the eyes; the sides are slightly marginate; at the base, and ex-
tending transversely towards the anterior angles, is a broad depres-
sion : the surface is clothed throughout with a thick short black
pubescence ; on either side is a broad band of bright yellow or golden
pubescence, which extends along the whole length of the margina-
tion, being slightly narrowed as it approaches the basal angles.
Scutellum triangular, impunctate, black. Elytra elongate, deeply
punctate-striate, very finely tomentose throughout ; of a dull black
colour ; at the shoulders is a short oblique marking of the same
colour as (and connected with) the lateral band of the thorax, which
extends, not along the margination, but between the seventh and
eighth striae. Antennce not so long as the body, incrassated, black ;
the first joint is strongly dilated at the apex, and deflected out-
wards ; the second short, narrower than the first, and dilated towards
the apex ; the third of greater length than the first, dilated towards
the apex, and clothed more distinctly with long black pubescence ;
the fourth, fifth and sixth of the same form and colour as the third,
and similarly pubescent, the fourth being still more broadly dilated ;
the terminal joints are gradually attenuate, the ninth to the eleventh
being of a pale testaceous colour. Legs dark fuscous ; the base of
the femora, and the posterior tibiae and tarsi, being pale testaceous.

Brazil. A single specimen of this insect is in the collection of
Mr. Baly.

2. Cerichrestus apicalis.

C. oblongus, subparallelus, subcylindricus, subtiliterpubescens, niger ;
capite transverso, ad basin antennarum tenuefoveolato, granulato,
nigro, ad apicem flavo, et ad basin fulvo bimaculato ; iliorace
transverse, antice subcontracto, ad baseos angulos late depresso,
ferrugineo-nigro, ad latera flavo vittato ; elytris elongatulis,
punctato-striatis,pubescentibm, nigris, ad humeros flavo notatis ;
antennis sat robustis, ad medium dilatatis, nigris, art. 9*° fulvo,
10"10 et llmo flavis ; pedibus nigris, femoribus ad basin flavo
suffusis, tibiis tarsisque postwis fulvis.

Long. corp. 3 lin., lat. 1J lin.

Oblong, subparallel, subcylindrical, under a high power very finely
pubescent, black. Head transverse, much depressed, slightly pro-
duced in front ; eyes large, prominent, situated at some little distance

198 CERICHBESTUS.

from the base of the head, extending nearly as far as the anterior
angles of the thorax : between the labrum and the base of the an-
tennae, the surface is smooth, glabrous, and transversely depressed ;
immediately above the base of the antennae is an obsolete longitu-
dinal depression; the whole surface being coarsely granulated; in
colour black, the space between the labrum and the antennae being
flavous : at the base of the head, immediately behind the eyes, are
two transversely lateral markings of a fulvous-red colour. Thorax
transverse, slightly contracted in front, and (when viewed laterally)
subdepressed ; the anterior angles are subacute and depressed ; the
sides marginate ; at the basal angles are two broad and obsolete de-
pressions : the surface is clothed throughout (when viewed under a
high power) with a short and thick pubescence ; the colour fulvous-
black, with a broad margin on either side of a bright golden-flavous
colour. Scutellum triangular, dark fuscous. Elytra somewhat
broader than the thorax, parallel, subelongate, deeply punctate-
striate, the interstice between the second and third striae being
slightly but distinctly elevated ; clothed throughout with a thick close
pubescence ; the colour black, of a ferrugineous hue ; at the shoulders
is a suffused flavous marking, which (becoming more obsolete) tinges
the anterior half of the line of margination ; the body beneath black.
Antennae broad, robust, dilated, and flattened medially ; the first joint
broad, and gradually dilated towards the apex ; the second short, sub-
triangular ; the third longer than, but hardly so broad as the first ; the
fourth to the seventh gradually but broadly dilated, and the seventh
to the eleventh gradually attenuated towards the apex : the colour
black, finely pubescent ; the ninth joint being fulvous, and the tenth
and eleventh flavous. Legs black; the base of the femora being
fulvous, or suffused with flavous ; the posterior tibiae and tarsi ful-
vous ; the globular inflation of the posterior claw piceous.

This species very nearly approaches C. Balii both in disposition
of markings and in general form ; it is, however, shorter and broader,
and the thorax is unmarked by any lateral depressions.

New Grenada. In the collection of M. Chevrolat.

3. Cerichrestus Deyrollii.

C. oblongus, ovatus, parallelus, pubescens, niger ; capite brevi, gra-
nulato, fusco-rufo, ad basin fusco ; fhorace quadrato, ad basin
subconstricto et transverse depresso, fusco, ad latera nigro-rufo ;
elytris parallelis, punctato-striatis, nigris ; antennis subincras-
satis, nigris; pedibus rufo-fuscis, tarsis tibiisque anticis nigro-
fuscis.

Long. corp. 2£ lin., lat. f-1 lin.

CERICHRESTUS. 199

Oblong, ovate, parallel, subcylindrical, pubescent, black. Mead
short, transverse, deflected, slightly produced in front ; eyes distant,
somewhat prominent ; the maxillary palpi of a rufous colour : the
lower surface of the head (below the insertion of the antennae) is
flavo-rufous, between the eyes fusco-rufous, and at the base fus-
cous ; granulated, clothed towards the base with exceedingly minute
pubescence. Thorax quadrate, constricted at the base ; the anterior
angles are distinct, but not prominent; the sides marginate; at
the base is a broad transverse depression ; the surface is tomentose,
fuscous, except marginally, where it is broadly shaded off into dark
rufous. Scutellum triangular, black. Elytra parallel, distinctly
punctate-striate, dull black. Antennae short, robust, in the fourth,
fifth and sixth joints somewhat incrassated. Legs rufo-fuscous,
with the anterior tibiae and tarsi nigro-fuscous.

C. Deyrollii may be separated from all others in the genus by the
form and the colouring of the thorax. It appears also (although the
example before me is imperfect) to be narrower, and more elongated
in general form.

Cayenne. In the collection of M. Deyrolle,

4. Cerichrestus Batesii. (TAB. VIII. fig. 4.) B.M.

C. oblonyus, ovatus, subcylindricus, subtiliterpubescens, niger; capite
brevi, granulato, ad labrum transverse depresso,fusco, antice rufo^
fusco, inter oculos flavo binotato ; ihorace transverse, ad basin
subconstricto, lateribus pcene angulatis, antice globoso, ad basin
transverse depresso ; elytris subcylindricis, punctato-striatis ; an-
tennis filifonnibus, sat robustis, nigris ; pedibus fusds, tibiis tar-
sisque anterioribus et femoribus posticis (suffuse) nigro-fuscis.

Long. corp. 2f-3 lin., lat. IJ-lf lin.

Oblong, ovate, subcylindrical, somewhat robust, finely pubescent,
black. Head very short, depressed, not vertical, slightly produced in
front ; eyes distant, somewhat prominent, extending laterally to the
line of the margin of the thorax ; antennae approximate ; the sur-
face of the head is granulated ; below the insertion of the antennas
is a broad transverse triangular subdepression ; the colour of the
head below the antennae is rufo-fuscous, and above dark fuscous ;
between the eyes (situate at their inner margin, and immediately
above the insertion of the antennae) are two small flavous markings,
apparently caused by pubescence. Thorax transverse, subconstricted
at the base ; the anterior angles are broadly obliquely truncate ; the
sides are marginate and, medially, almost angulated ; at the base is a

200 CFKICHRESTUS.

broad,, transverse depression (giving a decided prominence to the
medial disk); near the posterior angles are two deep and well-
defined circular foveae ; the surface (with the exception of a trans-
verse triangular black margin at the base) is clothed with a rich
golden pubescence. Scutellum triangular, somewhat transverse, punc-
tate, black. Elytra subcylindrical, parallel, distinctly punctate-
striate ; between the striae (and also between the punctures) very
finely granulated ; dull black. Antennae filiform, considerably shorter
than the elytra, sufficiently robust ; the first joint broad, dilated
towards the apex ; the sepond short, ovate ; the third twice the
length of the second, and equal in length to the first ; the fourth to
the seventh with a slight tendency to dilatation ; black. Legs fus-
cous, with the anterior tibiaB and tarsi and the outer and lower side
of the postical femora dark fuscous.

C. Batesii may be at once recognized from other species by the
sculpturing of its thorax, the globose anterior disk, and the two cir-
cular depressions near the basal angles.

Ega, district of the River Amazon. In the collection of the British
Museum, and also in those of Mr. Baly, Mr. Bates, and the Rev.
H. Clark.

5. Cerichrestus tenuicornis.

C. oblongus, ovalis, subdepressus, niger ; capite haudproducto, super
basin antennarum T foveolato, granulato, nigro, inter oculosfulvo
binotato, antice flavo ; thorace subquadrato, ad basin transverse
depresso, fusco, utrinque flavo late marginato ; elytris oblongis,

parallelis, punctato-striatis, nigris, pubescentibus, ad humeros
tenue longitudinaliter flavo notatis ; antennis robustis, subflli-

formibus, nigris ; pedibus flavo- fuscis, tibiis tarsisque anteriori-
bus nigro- fuscis.

Long. corp. 2J-3 lin., lat. l\ lin.

Oblong, oval, slightly depressed, very dark fuscous or black. Head
short, transverse, depressed, not elongated in front ; eyes tolerably
large, prominent, extending laterally to the marginal line of the
anterior thoracic angles ; antennae approximate, above their insertion
and between the eyes is a T-shaped fovea ; the surface at the base
of the head is coarsely granulated; labrum and maxillary palpi
fuscous ; the anterior surface of the head is ferrugineous, the upper
surface black ; between the eyes and adjoining their inner margin
are two fulvous markings. Thorax transverse, almost quadrate ; the
anterior angles obliquely truncate ; the sides marginate ; at the base
and also near the apical angles is a broad transverse depression : the

CERICHRESTUS. 201

colour is dark fuscous, marked on either side by a broad flavous
band, which becomes confluent at the anterior margin ; this band
seems to be formed for the most part by thick flavous pubescence.
Scutellum triangular, obscure, dark fuscous. Elytra parallel, punc-
tate-striate, dull black or very darkly fuscous, tomentose : from the
humeral angle is a narrow indistinct flavous line extending halfway
towards the apex ; this is very much narrower than in C. esciguus,
and is continued (not, as in that species, across the strise and along
the margination, but) along the line of the striae. Antenna of the
same length as the body, robust, subfiliform, although in the third
to the sixth joints there is an evident tendency to incrassation ; black,
not pubescent. Legs flavo-fuscous, with the anterior tibiae and tarsi
darkly fuscous.

Several examples of this species have been sent home from the
Amazon by Mr. Bates. In the collections of Messrs. Baly, Bates, and
the Eev. H. Clark.

The above description is taken from a male example ; in the female
the antennae are not more than two-thirds the length (being hardly
longer than the elytra). Other sexual characters also, which we
should look for, are apparent : in the male the body is slightly less
robust, and the basal joints of the anterior tarsi broadly and flatly
dilated ; there is a manifest dilatation also (when viewed laterally)
in the posterior tibice of the male.

6. Cerichrestus exiguus.

C. oblongus, ovatus, subdepressus, niger ; capite brevi, transverse,
granulato, inter oculos tuberculis obsoletis ferrugineis binotato ;
thorace transverso, ad latera subsinuato, ad basin oblique depresso,
punctato, tomentoso, nigro, ad medium longitudinaliter flavo
notato ; elytris latis, parallelis, punctato-striatis, ad humeros
longitudinaliter fulvo notatis ; antennis brevibus, robustis, in-
crassatis,nigris, art. 9— 11 fulvo-flavis ; pedibus nigris, femori-
bus (ad basin) et tibiis posticis fulvis, tar sis posticis flavis.

Long. corp. 21 lin., lat. 1J lin.

Oblong, ovate, broad, somewhat depressed, of a dull black colour.
Head very short, transverse, depressed, almost vertical, not elongated ;
between the labrum and the line of the lower margin of the eyes is
a transversely concave depression ; eyes prominent, large, distant,
situated near to the base of the head ; antennae approximate : the
labrum and the maxillary palpi of a dark fuscous colour ; the lower
portion of the head ferrugineous ; immediately above the insertion
of the antennae (and caused by an intermediate depression) are two

202 CESICHRESTUS.

obsolete ferrugineous tubercles, bounded (towards the base) by a trans-
verse fovea ; the surface of the head above this fovea is granulated
and black ; at the base is a distinct circular fulvous marking. Thorax
transverse ; the anterior angles obliquely truncate, but distinct ; the
sides marginate, and in outline subsinuate; a very slight medial
longitudinal depression extends nearly to the base, while on either
side of it an equally indistinct but broader depression is produced
obliquely from the base towards the anterior angles : the surface is
very thickly and finely punctured throughout, tomentose, black, with
a broad medial longitudinal flavous marking, gradually extending in
breadth from the base to the anterior margin ; the margination of
the thorax is ferrugineous. Scutellum very small, indistinct, darkly
fuscous. Elytra broad, parallel, distinctly punctate -striate, tomentose,
of a dull black colour ; at the humeral angle is a distinct and broad
fulvous marking, extending halfway down the margin of the elytra,
broader at the base (extending laterally to the point of contact of the
posterior angle of the thorax) and thence gradually diminishing.
Antennce short (not equal in length to the elytra), robust, incrassated ;
the first joint not so long as in allied species, dilated at the apex ;
the second short, ovate ; the third, fourth, fifth and sixth gradually
but broadly dilated, and distinctly pubescent, black ; ninth to eleventh
fulvo-flavous. Legs black, with the base of the femora and also the
posterior tibiae fulvous; the posterior tarsi flavous; the inflation
above the posterior claw bright fulvo-rufous.

Amazon district.

7. Cericlirestus Chevrolatii.

C. oblongo-ovatm, parallelus, subcylindricus, subtiliter pubescens,
punctato-striatus, fusco-niger ; capite brevi, granulato, super
oculos fulvo notato ; ihorace quadrato, ad basin transverse foveo-
lato, nigro-fusco, ad latera fulvo ; elytris subelongatis, punctato-
striatis ; antennis subfiliformibus, fuscis ; pedibus fuscis, femori-
busfavo suffusis.

Long. corp. 2^ lin., lat. £ lin.

Oblong-ovate, parallel, subcylindrical, under a high power obso-
letely pubescent, deeply punctate-striate, fuscous-black. Head short,
transverse, not produced ; below the base of the antennaa is a trans-
verse glabrous depression ; eyes tolerably large, situated at the base
of the head, extending laterally as far as the anterior angles of the
thorax ; the surface at the base is coarsely granulated ; in colour the
labrum is fuscous, the part between the labrum and the insertion of
the antennae fulvous ; at the base of the head dark fuscous, with two

CERICHEESTUS. 203

fulvous spots at the inner and upper margin of the eyes. Thorax
quadrate, depressed in front, slightly constricted at the apex; sides
finely marginate, and in form subsinuate ; at the base (when viewed
laterally) is a deep and distinctly defined transverse fovea ; the sur-
face is dark fuscous, the lateral margins being broadly fulvous.
Scutellum triangular, impunctate, fuscous-black. Elytra somewhat
broader than the thorax, subelongate and parallel, deeply punctate-
striate, and (when viewed under a high power) very finely covered
with short obsolete fuscous pubescence. Antennae robust, subfiliform,
fuscous. Legs fuscous, the femora being suffused with flavous.

C. Chevrolatii differs from C. exiguus (to which it is most nearly
related) by its very parallel and subcylindrical elytra, as well as by
the absence of any flavous marking near the humeral angles.

South America. In the collection of M. Chevrolat.

8. Cerichrestus humilis.

C. oblongo-ovalis, parallelus, subdepressus, punctato-striatus, sub-
tiliter pubescens, fusco-niger ; capite brevi, depresso, granulato,
antkeflavo, ad basin nigro ; thorace transverso, ad basin sub-
coarctato et transverse depresso, subtiliter pubescenti, flavo, ad
medium fusco adumbrato ; elytris depressis, punctato-striatis,
obsolete fusco-pubescentibus ; antennis filiformibus, sat robustis,
nigris ; pedibus flavis, tibiis tarsisque fusco adumbratis.

Long. corp. 2| lin., lat. 1 lin.

Oblong-oval, somewhat depressed, parallel, punctate-striate, finely
clothed with obsolete fuscous pubescence, fuscous. Head short,
vertical, slightly produced in front ; below the insertion of the an-
tennae is a transverse triangular depression, at the base of the antennae
the surface is obsoletely raised ; the base of the head is coarsely
granulated, and in colour black ; the eyes are large, globular, lateral,
and situated at the base of the head. Thorax transverse, rectangular ;
the sides are at the base slightly constricted and marginate ; at the
base is a broad transverse depression; the surface is equate and
thickly pubescent; the colour is flavous, being, medially, broadly
adumbrated with fuscous. Scutellum minute, fuscous. Elytra broader
than the thorax, depressed, parallel, punctate-striate (the punctures
being obsolete, and the stria? deep), and clothed with a minute, but
thick, fuscous pubescence ; the colour dark fuscous. Antennae fili-
form, tolerably robust, black. Legs flavous, more or less clouded
with fuscous.

C. humilis differs from most of the species in the group by the
absence of markings on the elytra ; and from those which, like it,

204 CEKICHKESTTIS.

are concolorous as to their elytra, by its smaller size and form of
thorax.

From the district of the Eiver Amazon. Taken by Mr. Bates.

9. Cerichrestus flavicans. (TAB. VIII. fig. 5.)

C. oblongo-ovatus, subparallelus, niger ; capite brevi, depresso, inter
oculos T foveolato, punctato. nigro, ad basin late flavo notato ;
thorace transverso, subpubescenti, punctato, ad medium late longi-
tvdinaliter flavo vittato ; elytris sat latis, punctato-striatis, flavo
fasciatis, et apud marginationem (a fascia transversa ad Jiumeros)
flavo vittatis ; antennis robustis, subdilatatis, nigris, art. 9-11
testaceis ; pedibus fuscis, femoribus (ad basin) et tibiis posticis
flaunt.

Long. corp. 21 lin., lat. 1-1 J lin.

Oblong-ovate, subparallel, subrobnst, black. Head short, much
depressed, slightly produced ; eyes large, prominent, black ; above
the insertion of the antennae is a T-shaped depression, forming the
boundary of two obsolete tubercles ; the surface at the base is finely
punctate ; the labrum is of a bright black colour ; the surface between
the mouth and the base of the antennas is pale testaceous, above the
base of the antennas fulvous (the T-shaped depression being fuscous,
and a margin to the eyes broadly black). Thorax transverse, rect-
angular; the anterior .angles depressed; the sides marginate; the
surface is equate, finely pubescent, and punctate ; a broad medial
longitudinal marking of flavous extends from the apex (where it is
nearly the breadth of the whole thorax) to the base (where it is the
breadth of the scutellum) ; the colour of the margination is fulvous.
Scutellum triangular, flavous. Elytra broad, punctate-striate, finely
and closely pubescent : a transverse, irregularly defined flavous fascia
extends, medially, from the margination to the suture ; this fascia is
connected on either side with the shoulder by a broad marginal
flavous band. Antennae tolerably long, robust, slightly incrassated
towards the middle; black, the ninth to eleventh joints being pale
testaceous. Legs dark fuscous, with the base of the femora and the
posterior tibia3 flavous.

This species, though allied to C. marginicollis, is clearly distinct ;
the colour of the thorax and the form of the marking of the elytra,
besides the diversity in the sculpturing of the head, amply separate it.

From the district of the Amazon. Taken by Mr. Bates.

10. Cerichrestus marginicollis. (TAB. VIII. fig. 6.)

C. oblongo-ovalis, sat robustus, subpubescens, niger ; capite brevi,
inter oculos longitudinaliter leviier carinato, ad basin granulate,

CERICHRESTFS. 205

mter oculos suffuse fusco Umaculato ; thorace transverso,flavo-
pubescenti, flavo, ad latera (antice) rufo-fusco ; elytris robustis,
subparallelis, punctato-striatis, subtiliter pubescentibus, a humeris
usque ad postmediam suturam oblique flavo-vittatis ; antennis
robustis, nigris, art. 9-11 pallide testaceis ; pedibus fuscis, femo-
ribus posticis fulvis, tarsisque posticis rufo-fulvis.
Long. corp. 2 lin., lat. 1 lin.

Oblong-oval, tolerably robust, subpubescent, black. Head short,
depressed, subelongate ; eyes large, prominent, extending laterally as
far as the anterior angle of the thorax ; between the mouth and the
base of the antennae is a transverse triangular plane depression ; above
the insertion of the antenna is an obsolete medial longitudinal ridge ;
the surface below the eyes is in colour testaceous (the mouth being
broadly fuscous), above the eyes it is granulated and black, with
two suffused fuscous markings at the posterior margins of the eyes.
Thorax transverse, rectangular ; the anterior angles are depressed ;
the sides marginate ; the surface is depressed, equate, flavo-pubescent,
and in colour flavous, with a margination (more broadly anteriorly)
of fuscous, and an obsolete longitudinal medial marking of rufo-
fuscous. Scutellum triangular, flavous. Elytra robust, subparallel,
punctate-striate, closely and finely pubescent, black : between the
fifth and the eighth striae, a longitudinal band (which does not touch
the margination) extends from the shoulders nearly to the apex
(being rounded off as it approaches the apex from the margination
to the suture) ; its inner boundary is deflected abruptly and trans-
versely towards the suture near the middle of the elytra, the whole
forming an irregular semi-ovate band, the breadth of which is con-
siderably greatest near the apex. Antennae robust, with a tendency
to dilatation ; in colour black ; the ninth to eleventh joints pale
testaceous. Legs fuscous ; the anterior femora being testaceous, the
base of the posterior femora fulvous, and the posterior tarsi rufo-
fulvous ; the globular inflation above the posterior claw bright
piceous.

C. marginicollis and the preceding species, C.flavicans, are excep-
tions to the general character of the genus, in that they have their
elytra broadly and distinctly marked with flavous colour : this species
is readily separated from C. flavicans by the triangular marking below
the base of the antennae, as well as by the obsolete longitudinal cari-
nation at the apex of the head ; it is more obviously separated by the
disposition of its markings on the thorax and the elytra.

From the district of the Amazon, In the collections of Mr. Bates
and the Rev. H. Clark.

206 CALIPEGES.

Genus 34. CALIPEGES*.

LABRUM breve, subcirculare.

PALPI MAXILLAKES incrossctti, art. 3*Jj pcene rotundato, lato, ultimo

conico.

ANTENNJE robustce, incrassatce, art. 4to-Svo dilatatis, brevibus.
CAPTJT breve, antice attenuatum, ad basin punctatum.
THORAX quadratics, elytris constrictior, subglobosus.
ELYTRA sat lata, cylindrica, fossa transversa ante medium antice punc-

tata, ad apicem impunctata, glabra, obsolete pube sparsim (ad

latera, apicem, et depressionem transversam) vestita.
PEDES robusti ; tibiis posticis brevibus, rectis, haud calcaratis ; tarsis

brevibus, attenuatis.

Labrum small, narrow, subcircular.

Maxillary palpi (Tab. VIII. fig. 7 m) robust ; the first joint
minute; the second incrassated, and apparently obliquely truncate
at the apex ; the penultimate joint is globose, rounded at the sides,
the length being equal to the breadth, transversely truncate at the
apex ; the last joint is smaller, although broad at the base, acuminate,
the length being distinctly greater than the basal breadth.

Labial palpi elongate, minute; in the example before me hardly
appreciable in consequence of injury or decay.

Antennce (Tab. VIII. fig. 7 a) robust, strongly dilated ; the first
joint attenuate at the base, elongate, and incrassated towards the
apex; the second ovate, somewhat shorter but not narrower than
the first, ovate, attenuate at the base ; the third of equal length with
the first, fine and attenuated at the base, and dilated towards the apex ;
the fourth to the eighth considerably incrassated, clothed with fine
pubescence; the ninth to the eleventh more elongated and attenuated.

Eyes lateral, situated at the base of the head, circular, subglobose.

Head short, transverse, slightly produced, and attenuate in front ;
below the base of the antennae is a transverse depressed plane ; above
this plane is a minute longitudinal medial channel, passing between
the basal joints of the antennas ; the surface of the head at the base
is sparingly but deeply and coarsely punctate.

Thorax somewhat broader than the head, but considerably narrower
than the elytra, quadrate in form, almost elongate; the anterior
angles are somewhat rounded ; the base is constricted and slightly
transversely subdepressed ; the surface is subglobose in C. crispus,
sparingly punctate, and obsoletely pubescent.

Scutellum triangular, impunctate.

Elytra decidedly broader than the thorax, short, with a deep ante-

* KaXos, bonus ; TrfjyvvfJii, firmo.

CALIPEGES. 207

medial depression which extends transversely nearly to the margina-
tion; this depression gives a prominence to the surface near the
scutellary angles, and also (viewed laterally) to the medial disk:
the surface is, antemedially, deeply and sparingly punctate ; post-
medially, and especially near the apex, impunctate ; the surface at
the apex, sparingly near the sides, and in the transverse depression
is flavo-pubescent.

Legs robust. The anterior femora are subcylindrical, attenuated
at the apex and base. The tibice are short, straight, and cylindrical,
hardly thickened towards the apex. The tarsi are short ; the basal
and second joint subequal in form (the second joint being shorter and
comparatively broader) ; the third joint is broader, ovate, and bilobed ;
the apical claw is bifid, and unarmed at its under surface with any
claw. The posterior femora are broadly incrassated, short, not ex-
tending so far as the apex of the elytra. The tibia is short and
robust, straight, gradually thickened towards the apex ; the posterior
margination is straight ; the apex is broadly obliquely truncate, and
is terminated by a double robust claw below the insertion of the
tarsus. The tarsus is also short, attenuated.

An interesting form, allied to some species of CericTirestus by its
distinctly dilated antennse ; but abundantly distinct by reason of its
more cylindrical body, and marked transverse depression of the elytra.

1. Calipeges crispus. (TAB. VIII. fig. 7.)

C. oblongo-ovatus, subparallelus, robustus, subtiliter pubescens, cas-
taneus ; capite subproducto, punctato ; tJiorace quadrato, ad basin
constricto et transverse subdepresso ; elytris parallelis, robustis,
subcylindricis, ante medium fortiter transverse depressis, striato-
punctatis ; antennis art. 4-8 incrassatisf 1-8 fusco-ferrugineis,
9-11 flavis ; pedibus fulvis.

Long. corp. 1^ lin., lat. |— f lin.

Oblong-ovate, subparallel, robust, very finely pubescent, of a dark
castaneous colour. Head short, transverse, slightly produced in front ;
above the labrum is a transverse triangular carination ; and above
the insertion of the antennas, and between the eyes, is an obsolete,
obliquely transverse ridge of the form of the letter Y ; the surface
is deeply but sparingly punctate j eyes large, situated at the base of
the head, extending lateraUy almost as far as the anterior angles of
the thorax. Thorax quadrate (the length being perhaps slightly
greater than the breadth), constricted towards the base ; the anterior
angles are depressed and subacute ; the sides, are marginate ; at the
base is a broad transverse depression, which is most distinct (viewed
laterally) near the basal angles ; the surface is sparingly punctate,

208 OMOTOTT7S.

clothed throughout with fine and almost obsolete fulvous pubescence.
Scutellum minute. Elytra parallel, robust, subcylindrical, short:
a very distinct transverse depression extends antemedially from the
suture to the sixth or seventh stria ; this depression gives an appear-
ance of prominence to the surface near the base ; punctures arranged
in the form of stria?, which are large and distinct near the base, are
almost obsolete as they approach the apex: the surface is clothed
throughout very sparingly with fine long single hairs, and underneath
these with a very fine flavous pubescence. Antennae, robust, strongly
dilated ; in colour, the first to the third joints are ferrugineous, the
fourth to the eighth dark fuscous, the ninth to the eleventh flavous*
Legs fulvous throughout.

Para. In the collection of M. Chevrolat.

Genus 35. OMOTOTUS*.

Dej. Cat. (1837), p. 407.
PALPI MAXILLAEES breves, subdilatati.
PALPI LABIALES elongati.

ANTENNJEJiliformes, robustce, inter dum ad apicem subtiliter incrassatce.
CAPUT breve, transversum, pcene verticale, rugosum.
THORAX transversus, aliquando subquadratus, interdum etiam ad latera

obscure dentatus.

ELYTRA brevia, robusta, plerumque pube vestita. *

PEDES : tibiis posticis longitudinaliter canaliculatis et calcaratis.

Maxillary palpi (Tab. VIII. fig. 8 m) short, robust ; the first joint
minute ; the second broader, and gradually dilated towards the apex ;
the third short, and broader than the second (the breadth being equal
to the length) ; the terminal joint is broad, subglobose and flat.

Labial palpi "(Tab. VIII. fig. 8 ri) elongate, narrower than the
maxillary palpi ; the basal joint robust, the penultimate narrow and
cylindrical, the ultimate joint attenuate.

Antennce approximate, situated between the lower margins of the
eyes, robust, filiform ; the basal joint is dilated towards the apex ;
the second shorter and more minute.

Eyes lateral, situate at the base of the head.

Head short, transverse, depressed at almost right angles to the
plane of the thorax, hardly produced in front ; the surface is rugose,
and for the most part impubescent.

Thorax transverse, in some species almost quadrate ; the anterior
angles are for the most part distinct ; the sides are finely marginate
and subsinuate, or produced medially into an obsolete tooth ; the
* Derivatio incerta.

OMOTOTUS. 209

surface is rugose and deeply granulated, generally more or less im-
pubescent.

Scutellum small, triangular.

Elytra robust, short, distinctly broader than the thorax ; in most
species clothed with a thick and very fine pubescence, punctate-striate.

Legs : the anterior sufficiently elongate. The femora are incurved,
attenuate at their base, and gradually thickened towards the apex.
The tibice are somewhat longer than the femora, straight, cylindrical,
inflected at their immediate base. The tarsi are short ; the first and
second joints being flat and broad, in form triangular ; the second
joint being somewhat smaller than the first ; the penultimate joint
is considerably broader than the second, and deeply bilobed; the
terminal joint is connected with the third at its base, and incurved ;
the apical claw is bifid, robust at the base. The posterior femora are
short and broadly incrassated. The tibice (Tab. VIII. fig. 8 Ji} are
short, incurved, and robust; the posterior surface is flattened and,
near the apex, longitudinally hollowed out into a groove terminating
in a socket for the reception of the tarsus; this groove is armed
laterally with short and frequent comb -like teeth ; immediately
above the insertion of the tarsus its margin is produced into a broad
and distinct tooth. The tarsi are short ; the two basal joints are
attenuate, the second being somewhat more minute than the first ;
the third joint is broader, subcircular, and somewhat longer than
the second ; the apical claw is entirely concealed from above by the
globular inflation of the ultimate joint.

This genus is distinguished at once from Cerichrestus by its more
robust and broader form. The distinct pubescence on the elytra,
together with the form of the posterior tibiae (which are robust, in-
curved, and armed above the insertion of the tarsus with a distinct
spur), sufficiently separate it from other genera.

1. Omototns morosus. B.M.

Dej. MS. (Dej. Cat.}.

Omototus carbonarius, Chevr. {Dej. Cat.}.

tristis, Lacordaire (auct. Dej. Cat.).

0. oblongo-ovatus, robustus, punctato-striatus, squamosus, niger ;
capitepaulumproducto, inter oculos bifoveolato,granulato; ihorace
quadrato,fortiter granulato, ad latera angulato ; elytris punctato-
striatis, cequatis, squamosis ; antennis robustis, subfiliformibus,
fuscis ; pedibus fusco-nigris.
Long. corp. 3J lin., lat. 1 f lin.

Oblong-ovate, robust, punctate-striate, clothed with a very short
and obsolete black squamose pubescence; in colour black. Head

p

210 OMOTOTTTS.

short, transverse, slightly produced in front : above the labrum is a
transverse triangular carination ; immediately above the base of the
antennae are two distinct tubercular elevations, occupying almost the
whole of the surface near the eyes (which in 0. quadripes is repre-
sented by a depression) : eyes situated at the base of the head, small ;
the line of the base is much less distinct than in 0. quadripes : the
surface is irregularly and deeply granulated ; black. Thorax quadrate,
decidedly broader in proportion to its length than in 0. quadripes ;
the anterior angles are much depressed ; the sides marginate, and
produced medially into a lateral angle (almost as distinctly denned
as the marginated angle in Octogonotes, and very different from the
subsinuation of 0. quadripes) • the surface throughout is very coarsely
and unevenly granulated. Scutellum obscure, triangular, impunctate.
Elytra broader than the thorax, robust, punctate-striate, the punc-
tures being quite concealed by a very thick and short squamose
pubescence. Antennce robust, filiform, subincrassated towards the
apex ; in colour fuscous-black. Legs robust, of a fuscous-black colour
throughout (not partly flavous as in 0. quadripes).

The form of the thorax (quadrate instead of transverse) and the
colour of the legs seem to supply good specific distinctions between
these closely allied forms ; it is possible, however, that hereafter, by
the inspection of a large series of examples, it may be shown that
but one single species exists, subject to some considerable variation
of form and colour.

Cayenne. In the collection of the British Museum, and in the
cabinet of the Rev. H. Clark.

2. Omototus quadripes.
Chew. MS.

0. oblongo-ovatus, latus, robustus, impubescens, niger ; capite brevi,
granulato ; thorace transverse, ad latera media subproducto, for-
titer granulato ; elytris punctato-striatis, subsquamosis ; antennis
jflliformibus ; pedibus piceis, femoribus et tibiis (ad basin) an-
terioribus flavis.

Long. corp. 3| lin., lat. 1£ lin.

Oblong-ovate, broad, robust, impubescent, black. Head short,
depressed at almost right angles to the thorax, and not produced in
front ; above the labrum is a transverse triangular plane (the colour
of which is more distinctly rufous than the rest of the surface) ; above
the base of the antennae and between the eyes is a longitudinal
irregular medial depression ; the eyes are situated at the base of the
head ; the surface between the eyes and at the base irregularly and
unevenly granulated, in colour darkly rufo-fuseous. Thorax trans-

OMOTOTUS. 211

verse, broader than the head ; the anterior angles are subdepressed ;
the sides marginate and, medially, obsoletely dilated or subsinuate
in outline ; the surface is uneven and irregular in form, broadly but
slightly depressed at the base, and coarsely granulated throughout ;
the colour black. Scutellum small and triangular. Elytra broader
than the thorax, robust, finely punctate-striate ; when viewed under
a high magnifying power, the surface between the striae is finely
punctate, and also towards the apex apparently clothed with thick,
fine squamose pubescence. Antennae filiform, short, robust, piceous.
Legs piceous ; the anterior femora and part of the tibiae flavous.
Cayenne.

3. Omototus tuberculatus.

0. ovatus, latus, robustus, pubescens, fuliginosus ; capite brevi, inter
oculos bituberculato ; thorace quadrato, angulis anticis valde de-
pressis, ad apicem bituberculato, ad basin transverse depresso ;
elytris latis, robustis, striato-punctatis, ad medium nigro- aut
fusco-, ad apicem irregulariter testaceo-pubescentibus ; antennis
ad apicem subincrassatis, art. 1-6 fulvis, 7 et 8 testaceis, 9-11
fuscis ; pedibus, tibiis posticis subincurvatis, piceis, tarsis posticis
rufo-fuscis.

Long. corp. 2j lin., lat. 1| lin.

Ovate, broad, robust, pubescent, fuliginous. Head short, trans-
verse, depressed, slightly elongated in front ; eyes moderately large,
situate at the base of the head ; above the labrum is a transverse
triangular depression with a medial obsolete longitudinal carination :
immediately above the insertion of the antennas are two medial
abrupt tubercles, while above them (at a somewhat greater distance
from each other) are two others, less prominent (almost obsolete) ;
these are separated from the basal line by a short medial transverse
depression which is divided by a longitudinal carination : the surface
is irregularly clothed with flavous pubescence. Thorax quadrate,
rectangular ; the anterior angles are much depressed ; the sides mar-
ginate : two broad and prominent tubercles occupy the antemedial
part of the disk ; between them and the basal line is a transverse
broad shallow depression : the surface is flavo-pubescent, especially
near the base. Scutellum small, almost obsolete, triangular. Elytra
broad, robust, covered with very coarse punctures arranged as striae ;
near the scutellary angle the surface (when viewed laterally) is
slightly raised, and covered throughout more or less with short
scattered pubescence ; at the shoulders this pubescence is hardly ap-
parent ; it assumes, medially (towards the margination and at the
suture), a fuscous or dark ferrugineous hue, while postmedially are
several unconnected small patches of yellowish-white pubescence.

212 OMOTOTUS.

Antennce tolerably long, robust, slightly inerassated towards the
apex; the first and second joints fulvous, the third and fourth rufo-
fulvous, the fifth and sixth rufo-fuscous, the seventh and eighth
(which are much shorter than any of the preceding) pale testaceous,
the ninth to eleventh dark fuscous. Legs tolerably long and robust,
the posterior tibiae being somewhat incurved towards the apex, of a
piceous colour throughout ; the posterior tarsi (and the base of the
tibiae) are rufo-fuscous ; the globular inflation above the apical claw
dark rufous.

This species may be separated from its congeners by its greater
size, and dark fuliginous colour ; from 0. fuliginosus (to which it is
most nearly allied) it may be separated by the prominent tubercles on
the thorax as well as its somewhat larger size, and by the irregular
patches of white pubescence near the apex of the elytra.

Bogota. In the collection of Mr. Waterhouse.

4. Omototus braccatus.

0. ovatus, latus, robustus, subtiliter pubescens, rugosus, niger ; capite
depresso, ad basin bituberculato, granulate; fhorace transverse,
antice compresso, bituberculato, rugoso ; elytris ad scutellum un-
dique tuber culatis, quatuor, etiam aut quinque tuber culis inferio-
ribus, subtiliter pubescentibus, sparsim punctatis ; antennis fulvis ;
pedibus piceis, tibiis anterioribus fulvo vittatis, tibiis posticis (fe-
moribusque extremis) fulvis.

Long. corp. 3 lin., lat. 1|- lin.

Ovate, broad, robust, apparently impubescent (except when viewed
under a high power), black. Head short, transverse, depressed at
right angles to the thorax, and slightly produced in front ; imme-
diately above the base of the antennse is an obsolete transverse de-
pression, which gives, at its upper margin, prominence to a raised
transverse ridge, which does not extend laterally so far as the inner
margin of the eyes ; above, and unconnected with these, at the base
of the head, are two distinct tubercles : eyes tolerably large, situated
at the base of the head, not extending laterally so far as the anterior
angles of the thorax ; the surface throughout is coarsely and roughly
granulated. Thorax considerably broader than the head, transverse
(the breadth being not much greater than the length) ; the anterior
angles are distinct, and depressed ; the sides slightly marginate and
anteriorly compressed; in front are two medial and longitudinal
tubercles, on the outer sides of which are disposed other irregular
carinations ; the whole surface being coarsely and unevenly granu-
lated. Scutellum large, triangular, clothed with short flavous pubes-

OMOTOTTJS. 213

cence. Elytra much broader than the thorax, robust, with deep and
irregularly scattered punctures arranged throughout in the form of
striae; near the scutellary angles are two broad and prominent
tubercles, while behind them, occupying the whole of the surface
nearly as far as the apex of the elytra, are distributed five others,
irregularly disposed, and in form slightly longitudinal ; the humeral
angles at their extremity are distinctly gibbous, so that the breadth
across the shoulders is greater than the medial breadth ; the whole
surface is uneven and irregular, and clothed throughout (when viewed
under a high power) with a short and thick piceous pubescence. An-
tennae, : the two basal joints fulvous (the rest, in the example before
me, are wanting). Legs piceous ; the posterior tibia3 and the extreme
apex of the femora fulvous ; the anterior tibise are banded with fulvo-
fuscous.

Brazil. In the collection of M. Chevrolat.

5. Omototus nodosus. (TAB. VIII. fig. 8.)

0. ovatuSj brevis, robustus, griseo et fusco pilo omnino vestitus ;
capite brevi, inter oculos transverse tuberculato, ad basin granu-
lato ; fhorace transverso, ad medium bituberculato, ad basin valde
et transverse depresso, cinereo, et ad laterafulvo-pubescenti ; elytris
latis, ad scutellum bituberculatis, punctato-striatis, pilo cinereo,
fulvo, et rufo -fusco vestitis ; antennis art. 6-11 incrassatis, 1-8
testaceis, 9—11 pallide fuscis ; pedibus rufo-fuscis, femoribus
posticis fuscis.

Long. corp. 2^ lin., lat. 1^ lin.

Ovate, short, broad, clothed throughout with different shades of
griseous and fuscous pubescence. Head short, depressed anteriorly,
not produced ; between the eyes (which are large and somewhat
prominent) are two transverse tubercles (varying in direction and in
prominence in different examples) of a more distinct rufous colour ;
the upper surface is finely granulated. Thorax transverse ; the an-
terior angles are depressed and indistinctly subacute ; at the base is
a broad and deep transverse depression, while above this depression
are two very prominent tubercles ; the surface is clothed throughout
with grey, ashy-grey, and (near the sides) fulvous pubescence. Scu-
tellum small, triangular. Elytra broad, short, deeply punctate-striate,
with two prominent tubercles near the scutellum, clothed through-
out (like the thorax) with grey, fulvous, and rufo-fuscous pubescence.
Antennae short, gradually incrassated towards the apex (between the
sixth and eleventh joints) ; in colour, the first joint to the eighth are
testaceous, the ninth to the eleventh pale fuscous. Legs rufo-fuscous,
the posterior femora being fuscous.

214 OMOTOTTIS.

This insect is very nearly related to 0. tuberculatus ; it has the
same prominent tubercles on the thorax and near the scutellum ; it
is also clothed like that species with different shades of pubescence :
the thorax, however, is more transverse, less quadrate ; the depression
at the base of the thorax is more distinct, and (when viewed laterally)
the tubercles are more prominent and pyramidal ; the pubescence also
is generally darker.

From the district of the Amazon River. In the collections of
Mr. Baly, Mr. Bates, and the Rev. H. Clark.

6. Omototus Dohrnii.

0. oblongo-ovatus, robustus, punctato-striatus, pubescens, ferru-
gineus ; capite brevi, inter oculos oblique foveolato ; thorace trans-
verso, antice elevato et bicarinato ; elytris robustis, punctato-stri-
atis, ante medium oblique depressis,fulvo- vel fusco-pubescentibus ;
antennis robustis, subtiliter dilatatis, art. ~L-4flavis, 5 et 6 rufo-
flavis, 6 et 7 testaceis, 8-11 flavo-fuscis ; pedibusflavis,femori-
bus posticis infra fusco suffusis,

Long. corp. 2-2-J- lin., lat. 1-1-^ lin,

Oblong-ovate, robust, punctate -striate, pubescent, ferrugineous.
Head transverse, slightly produced, depressed at right angles to the
plane of the elytra ; above the labrum is a transverse triangular
plane ; immediately above the insertion of the antennae is a short
longitudinal fovea (not extending to the basal line of the head), on
either side of which is a minute oblique carination, made more ap-
parent by depressions at the inner margins of the eyes ; the eyes are
large and prominent, situated at the base of the head, extending
laterally beyond the anterior angles of the thorax ; the surface at the
base is finely punctate. Thorax transverse (almost quadrate), sub-
cylindrical ; the anterior angles depressed and obscure ; the sides
subsinuate and marginate ; the posterior angles are considerably de-
pressed, and the anterior medial disk elevated, and impressed with a
broad longitudinal furrow, raising the surface immediately on either
side of it into an oblong ridge or tubercle ; the surface is very finely
and thickly pubescent. Scutellum triangular. Elytra robust, con-
siderably broader than the thorax ; a broad antemedial depression
extends obliquely upwards to the shoulders, giving an appearance of
prominence to the scutellary angles ; punctate-striate (the punctures
being entirely concealed by a thick and short pubescence) ; the colour
of this pubescence is for the most part ferrugineous, clouded (especially
near the scutellum) with dark fuscous, and interspersed (especially at
the oblique depression and near the suture) with irregular minute

OMOTOTUS. 215

spots of pale cinereous. Antennae robust, finely dilated towards the
apex ; the first to fourth joints flavous, fifth and sixth rufo-flavous,
sixth and seventh testaceous, eighth to eleventh flavo-fuseous. Legs
flavous, suffused with rufous ; the posterior femora on their under
surface being darkly fuscous.

This species differs from 0. nodosus in its less transverse and
narrower thorax; from 0. Cayensis by its larger and more robust
form, and by the more depressed basal angles of the thorax.

From Surinam (Paramaribo). In the collections of Herr Dohrn
and the Kev. H. Clark.

7. Omototus xmbilus.

(Edipodes nubilus, Dej. Cat. ed. 3. p. 408.
modestus, Lacordaire (auct. Dej. Cat.).

0. oblongo-ovatus, robustus, latus, punctato-striatus, fusco- etflavo-
pubescens; capite brevi, Tiaud producto, inter oculos transverse
depresso, flavo, ad basin fusco ; thorace transverse, antice bitu-
berculato, ad basin transverse depresso ,ferrugineo, ad later a fusco;
elytris latis, robustis, punctato-striatis, ante medium obsolete de-
pressis ; antennis ad apicem subincrassatis, articulis 1—4 flavis,
5et6 rufo-fuscis, 7 etS testaceis, 9-l~Lfuscis; pedibusflavis, tar sis
anterioribus femoribusque posticis fusco suffusis, tibiis tarsisgue
posticis rufo-fuscis.

Long. corp. 2 lin., lat. 1 lin.

Oblong-ovate, robust, broad, punctate-striate, clothed throughout
with a fusco-flavous pubescence. Head short, transverse, slightly
produced in front : between the labrum and the base of the antennas
is a transverse plane and glabrous depression ; at the insertion of the
antennae is a medial longitudinal fovea, sharply defined and narrow,
extending upwards and meeting a broad transverse depression which
connects the inner margins of the eyes ; the eyes are large and tole-
rably globose, situated at the base of the head ; the surface is very
finely clothed throughout with navo-testaceous pubescence ; in colour
flavous, the base being margined with fuscous. Thorax transverse,
rectangular ; the anterior margin subemarginate ; the sides distinctly
marginate : at the antemedial centre of the disk are two oblong and
distinctly prominent tubercles ; behind these, a transverse depression
at the base extends not quite so far as the basal angles, but subcir-
cularly upwards; at the lateral margins (immediately above the
margination) on either side are two smaller tubercles : the surface is
clothed throughout with fine flavo-fulvous pubescence ; the colour
being ferrugineous, suffused at the sides with fuscous. Scutellum

216 OMOTOTFS.

minute, triangular, impunctate, fuscous. Elytra considerably broader
than the thorax, robust, short, punctate -striate, the striae being
shallow and almost concealed by a thick irregular pubescence, and
the punctures being regular and more distinct ; the surface is clothed
with a thick flavo-fuscous pubescence, irregularly mottled with
flavous and ashy-grey : an antemedial transverse obsolete depression
extends obliquely upwards to the outer margins of the humeral
angles, thus giving an appearance of prominence to the surface near
the scutellary angles ; the extreme apex of the humeral angles also
is subprominent, causing the stria3 near it to be slightly sinuate.
Antennce sufficiently fine, subincrassated towards the apex ; the third
joint is very considerably longer than any of the others, and the
basal joints of the same breadth as the first ; in colour, the joints first
to fourth are flavous, fifth and sixth rufo-fuscous, seventh and eighth
testaceous, and ninth to eleventh fuscous. Legs flavous, the anterior
tarsi and posterior femora being suffused with fuscous, and the
posterior tibiae and tarsi rufo-fuscous.

This species approaches 0. Dohrnii in form and general character ;
it is, however (besides the less piceous and more flavous colour of its
pubescence), shorter and more robust, and the basal depression of
the thorax is broader and more distinctly defined. From 0. nodosus
it differs also in its shorter form and in the different arrangement
of markings on the head, and its less prominently bituberculated
thoracic disk. From other species of the group (all of which re-
semble each other more or less in general appearance) it may be
separated by its manifest difference in size.

Cayenne. In the collection of M. Chevrolat.

8. Omototus Cayensis.

0. oblongo-ovatus, latus, robustus,punctato-striatus, fusco- et fulvo-
pubescens ; capite brevi, inter oculos transverse depresso, ad basin
rufo-flavo, flavo-pubescenti ; thorace transverse, rectangularly
lateribus marginatis, antice globoso, bituberculato, ad angulos
basales depresso ; elytris latis, punctato-striatis, ad scutellum
gibbosis, fulvo- aut fusco- irregulariter pubescentibus ; antennis
subincrassatis, art. 1-4 et 7 et Sflavo-testaceis, 5, 6, 9-11 fuscis;
pedibus anterioribus flavis, tarsis tibiarumque apicibus fusco
suffusis.

Long. corp. 2 lin., lat. 1 lin.

Oblong-ovate, broad, robust, punctate-striate, clothed throughout
with a fine but close fuscous or fulvous pubescence. Head short,
transverse, depressed, not produced in front ; above the labrum is a

OMOTOTT7S. 217

narrow transverse smooth depression, extending from which, as far
as the base of the antennae, is a minute medial carination : eyes pro-
minent, globose, extending laterally as far as the anterior angles of
the thorax ; between the eyes is a medial longitudinal fovea, which
reaches (at its upper extremity) an almost imperceptible transverse
depression; at the base of the head the surface is rufo-flavous ;
clothed throughout with flavous pubescence. Thorax transverse
(almost quadrate), rectangular ; the sides are marginate, and the line
of the base subsinuate ; at the antemedial portion of the disk the
surface is prominently raised, being divided into two oblong eleva-
tions by a broad longitudinal anterior depression ; the base is com-
paratively depressed, more distinctly at the postical angles ; the sur-
face is clothed throughout with a rich fulvous pubescence. Scutellum
triangular, pubescent. Elytra considerably broader than the thorax,
subparallel, punctate-striate, the punctures being quite concealed by
thick pubescence ; the surface near the scutellum is distinctly gib-
bous ; the colour of the pubescence is very varied : near the margi-
nation and at the base it is rufous, rufo-ferrugineous being the prin-
cipal colour ; near the suture (between the second and third striae)
there are three distinct but small markings of ashy- white colour ;
between these the surface is principally dark fuscous. Antennae
subincrassated gradually towards the apex; the first joint being
broad, but elongated ; the second short and ovate ; the third and
fourth attenuated, of equal length with the first ; the fifth to eighth
shorter and more dilated; the ninth to eleventh broader, and not
longer, than the second ; in colour, the joints first to fourth and
seventh and eighth are flavo-testaceous, the fifth, sixth, and ninth to
eleventh are darkly fuscous. Legs robust ; the anterior flavous, the
tarsi and apex of the tibiae being suffused with fuscous (the posterior
legs in the example before me are wanting).

This species differs from 0. fulvo-pubescens in the colouring of its
antennae, in the less deeply-marked striae on the elytra, and in its
more close as well as differently marked pubescence.

Cayenne. In the collection of M. Deyrolle.

9. Omototus fulvo-pubescens.

0. ollongo-ovatus, latus, rolustus, punctato-striatus, fulvo-pubes-
cens; capite brevi, flavo-pubescenti, ad apicem rufo, ad basin
fusco; ihorace transverse, rectangulari, lateribus subsinuatis,
antice elevato, bituberculato ; dytris latis, robustis, subparallelis,
punctate -striatis, ad basin elevatis,flavo-fusco,fulvo- ettestaceo-
(irregulariter) pubescentibus ; antennis incrassatis, art. 1-8 fla-

218 OMOTOTUS.

vis, 9-11 rufo-ferrugineis ; pedibus ant ids flams, mediis et pos-
ticis rufo-ferrugineis.
Long. corp. 2 lin., lat. 2 lin.

Oblong-ovate, broad, robust, subparallel, deeply punctate-striate,
clothed throughout with a fine fulvous (interspersed with fulvo -fus-
cous) pubescence. Head short, transverse, slightly produced in front ;
above the labrum is a transverse glabrous carination : eyes tolerably
large, extending laterally as far as the anterior angles of the thorax ;
between the eyes is a transverse and obsolete (almost imperceptible)
depression : the surface is flavous, clothed with a flavous pubescence ;
the colour near the labrum being rufous, and at the base fuscous.
Thorax transverse, almost quadrate, rectangular ; the anterior angles
subdepressed ; the sides obsoletely marginate and obscurely sinuate
(not, as in 0. Cayensis, rectilinear) ; the anterior medial disk is
elevated, and is divided into two parts by a broad and tolerably deep
longitudinal depression, thus forming two distinct antemedial tuber-
cles ; the base is transversely depressed, more deeply at the basal
angles ; there is also a slight depression close to the subsinuation of
the sides (which is not represented in 0. Cayensis) ; the surface is in
colour flavous, clothed throughout with flavous pubescence, medially
more darkly flavous. Scutellum triangular, clothed with fusco-
flavous pubescence. Elytra robust, considerably broader than the
thorax, subparallel, punctate-striate, neither the punctures nor the
striae being concealed by the pubescence ; near the scutellary angles
the surface is distinctly raised, and rendered more prominent by an
antemedial depression, which does not exist in 0. Cayensis ; the sur-
face is clothed throughout with a flavous pubescence, irregularly
mottled with flavo -fuscous and ashy-grey. Antennce incrassated
towards the apex; the joints first to eighth being flavous, and ninth
to eleventh rufo-ferrugineous. Legs : the anterior flavous ; the me-
dial and posterior rufo-ferrugineous.

Paramaribo, Dutch Guiana. From the collection of Herr Dohrn.

10. Omototus bituberculatus.

0. ovatus, robustus, subpubescens, fusco-ferrugineus ; capite brevi,
super antennarum basin oblique foveolato, cinereo-pubescenti (ad
basin piceo suffuso) ; ihorace quadrato, antice bituberculato, pilo
cinereo vestito ; elytris latis, punetato-striatis, pubescentibus, ad
scutellum et suturam nigro-fuscis, ad latera nigro-flavis sparsim-
gue cinereis ; antennis subincrassatis, art. l.—GJlavis, 7 et 8 tes-
taceis, 9-11 fuscis ; pedibus pallide testaceis.

Long. corp. 2^-2^ lin., lat. 11 lin.

OMOTOTTJS. 219

Ovate, robust, subpubescent, in colour fuseo-ferrugineous. Head
depressed, slightly produced ; eyes large and prominent, extending
as far as the lateral margin of the thorax : below the base of the
antennae is a transverse triangular depression ; immediately above it
is an obsolete fovea in the form of the letter V ; on either side of
this fovea the eyes are margined by a longitudinal depression ; the
surface of the head is clothed entirely with an ashy-grey pubescence
(at the base suffused with piceous). Thorax quadrate ; the anterior
angles depressed ; the sides submarginate ; the antemedial surface
is raised, and forms two distinct and prominent tubercles ; the whole
surface clothed with an ashy-grey pubescence. Scutellum small,
triangular, fuscous. Elytra broad, punctate-striate, completely
covered with a thick short pubescence ; the colour near the scutel-
lary angles and along the suture is dark fuscous, at the sides dark
flavous interspersed with ashy-grey. Antennae slightly incrassated
towards the apex ; joints first to fourth flavous, fifth and sixth fusco-
flavous, seventh and eighth testaceous, ninth to eleventh fuscous.
Legs pale testaceous, suifused with fuscous.

Brazil. In the collection of the Rev. H. Clark.

11. Omototus artitus.

0. ovatus, latus, subrobustus, pubescens, fuscMs ; capite brevi, inter
oculos transverse depresso ; thorace transverse, ad basin depresso,
antice elevato et longitudinaliter foveolato ; elytris sat latis et
robustis, punctato-striatis, irregulariter ccelatis, ante medium
oblique depressis ; antennis subincrassatis, flavo-fuscis ; pedibus
anterioribus flavis, posticis fuscis, tar sis flavis.

Long. corp. 2£ lin., lat. 1J lin.

Ovate, broad, subrobust, finely but irregularly pubescent, darkly
rufo-fuscous. Head short, transverse, not produced ; eyes tolerably
large, situated at the base of the head, extending laterally as far as
the anterior angles of the thorax ; above the labrum is a transverse
plane depression ; between the eyes is a very minute longitudinal
fovea, well-defined and thread-like, which reaches at its upper ex-
tremity a broad and shallow transverse depression extending between
the inner and upper margins of the eyes : the surface (when viewed
under a high power) is finely granulated and sparingly pubescent ;
in colour rufo-fuscous, at the base more darkly fuscous. Thorax
transverse (nearly quadrate) ; the anterior angles are depressed ; the
sides marginate, and in outline subsinuate ; the anterior margin is
subemarginate, the posterior slightly subsinuate : the base is occu-
pied by a broad transverse depression, well-defined and deep; it

220 OMOTOTU8.

extends obliquely upwards in the direction of (without reaching) the
anterior angles, and gives a distinctly gibbous appearance to the
anterior and medial portions of the disk; this prominent anterior
eminence is sharply and deeply bisected by a broad longitudinal
furrow : the surface is finely flavo- or rufo-pubescent throughout.
Scutellum triangular, impunctate, fuscous. Elytra broader than the
thorax, robust, punctate -striate, the punctures and almost the striae
being concealed by an irregular but thick pubescence ; the surface is
marked throughout by slight elevations and depressions : anteme-
dially a broad shallow depression extends obliquely upwards towards
the anterior angles ; the anterior angles themselves are prominently
gibbous ; the scutellary surface is raised ; and (when viewed from
behind) two obsolete circular elevations are apparent postmedially,
one on either" side of the suture. Antennce subincrassated towards
the apex ; the first joint broad, ovate ; the second much shorter and
narrower than the first ; the third to the sixth fine, and of length
equal to the first ; the seventh to the eleventh dilated, broader than
the first and hardly longer than the second ; in colour, the first to
the sixth flavous, the seventh and the eighth of a paler testaceous
colour, the ninth to the eleventh pale fuscous. Legs : the anterior
flavous throughout ; the posterior fuscous, the tarsi being flavous,
and the globular inflation of the posterior claw brightly rufo-
fuscous.

From 0. bituberculatus this species may be separated by the more
piceous and differently distributed colouring on the elytra, and by its
more prominently globose scutellary angles ; from 0. fuscatus it dif-
fers by its thick pubescence, and from 0. fulvo-pubescens by the
irregularly coloured (not concolorous) pubescence on the elytra.

Cayenne.

12. Omototus fuscatus.

0. ovatus, latus, robustus, subpubescens, fusco-piceus ; thorace qua-
drato, rectangulari, duobus antemediis tuberculis notato, ad latera
et ad medium, lonyitudinaliter, flavo -pubescenti ; elytris latis,
robustis, valde punctato-striatis, subpubescentibus ; antennis ro-
bustis, ad apicem incrassatis, flams, art. 5, 6 et 9-11 fusco-
ferrugineis ; pedibus anticis flavis, posticis fuscis, tarsis tibiisque
ad basin rufo-fviscis.

Long. corp. 2 lin., lat. 1^ lin.

Ovate, broad, robust, subpubescent, fusco-piceous. Head short,
slightly produced ; below the base of the antennae is a transverse
ridge ; eyes large and prominent ; the surface of the head flavo -
subpubescent. Thorax quadrate, rectangular; the anterior angles

^ OMOTOTUS. 221

depressed ; the sides slightly marginate ; the antemedial surface is
raised and longitudinally foveolated, thus forming two obsolete broad
tubercles ; the surface is clothed with pubescence, a medial longitu-
dinal line and also the sides being flavo-pubescent. Scutellum trian-
gular, impunctate. Elytra broad, robust, deeply punctate-striate,
clothed (more sparingly than the thorax) with indistinct pubescence.
Antennce short, tolerably robust, incrassated at the apex ; flavous,
with the fifth, sixth, and ninth to eleventh joints fusco-ferrugineous.
Legs : the anterior flavous ; the posterior fuscous (the tarsi and the
base of the tibiae being rufo-fuscous) ; the globular inflation of the
posterior claw bright rufous.

A single specimen was taken at Santarem (River Amazon) by
Mr. Bates.

13. Omototus bimaculatus.

0. oblongo-ovalis, luridus, flavo pilo holosericeo omnino vestitus ;
capite subproducto, punctato ; thorace transverso, marginato, ad
basin paulo attenuate ; elytris robustis, punctato-striatis, bima-
culatis (maculce nigrce rotundatce parvce) ; antennis robustis, art.
6—9 dilatatis, nigris, religuis flavis ; pedibus subpubescentibus,
flavis.

Long. corp. 2J lin., lat. 1J lin.

Oblong- oval, broad, robust, parallel, covered throughout with a
short and thick yellow pubescence. Head short, transverse ; below
the insertion of the antennae is a transverse triangular depression :
eyes large, situated at the base of the head, not extending laterally
so far as the angles of the thorax ; between the eyes is an obsolete
oblique fovea in the form of the letter V : the surface is finely punc-
tate. Thorax transverse ; the anterior angles depressed and slightly
rounded; the sides marginate, more especially near the anterior
angles ; surface equate. Scutellum triangular, fuscous. Elytra broad,
subparallel, robust, punctate-striate, with two slightly raised black
pubescent spots (small and circular) placed medially between the
third and fourth striae. Antennae short and robust; the first and
second joints much dilated, the third to fifth slender, the sixth to
ninth short and dilated ; in colour, the first to fifth are flavous, the
sixth to eighth black, the ninth to eleventh flavous. Legs flavous
throughout, and slightly pubescent ; the base of the posterior femora
black.

This species may be separated from those of its congeners, to which
it nearly approaches, by its larger size, and by the constriction of the
sides at the base of the thorax.

222 OMOTOTT7S.

Apparently a common insect in the Amazon district; from the
neighbourhood of Ega, Santarem, Villa Nova and Para, and the Delta
of the Amazon. In the collections of Messrs. Baly, Bates, and the
Rev. H. Clark.

14. Omototus sexmaculatus. (TAB. IX. fig. 1.)

0. ovatus, robustus, pubescens, flavo-fuscus ; capite punctato ;
thorace transverse, lateribus parallelis Qiaud ad basin coarctatis) ;
elytris punctatis, striatis, valde pubescentibus, maculis sex circu-
laribus ornatis (maculis ad scutellum et ad apicem fuscis, ad
medium nigris) ; antennis art. 6-8 valde dilatatis, nigris, reli-
quis fuscis.

Long. corp. 2|-3 lin., lat. li lin.

Ovate, broad, subcylindrical, robust, pubescent, flavo-fuscous.
Head short, slightly produced ; above the labrum is a transverse tri-
angular depression ; the surface is thickly and coarsely punctate and
impubescent (except at the inner margin of the eyes). Thorax
transverse ; the anterior angles subacute and depressed ; the sides
marginate and parallel ; the surface is subcylindrical, more distinctly
pubescent at the sides, finely punctate. Scutellum triangular, finely
pubescent, impunctate, fuscous. Elytra robust, subparallel, punctate-
striate (the striation being almost concealed by the pubescence) ; be-
tween the second and fourth striae are placed on each elytron three
circular spots, which are formed by a darker colour of the pubes-
cence ; those near the scutellum and also that near the apex are in
colour fuscous, the central spots being more distinct and black.
Antenna? short, robust, dilated towards the apex ; the joints third to
fifth elongated and slender, sixth to eighth abruptly dilated; in
colour, the first to fifth are flavous, sixth to eighth black (the base of
the sixth being fuscous), ninth to eleventh flavous. Legs flavous
throughout.

This species differs from 0. bimaculatus in the form of its thorax
(the sides of which are parallel, and not constricted at the base), as
well as in the six spots on the elytra.

From Ega (River Amazon).

15. Omototus binotatus.

0. oblongo-ovatus, robustus, flavo-pubescens, fusco-flavus ; capite
elongate, antennis approximatis, inter oculos transverse foveolato ;
thorace quadrato, penitus subelongato, ad basin depresso et con-
stricto ; elytris punctato-striatis, maculis duabus, rotundatis,
nigris, ad medium, inter 2ndam et 5fam strias ; antennis robustis,

^ OMOTOTU3. 223

art. 1-5 Jlavo-testaceis, 6-9 dilatatis, nigris, 10 et 11 rw/o-
testaceis.

Long. corp. 2^ lin., lat. 1 lin.

Oblong-ovate, robust, flavo-pubescent, fusco-flavous. Head elon-
gate, somewhat produced in front ; above the base of the antenna
(which are approximate}, and between the eyes, is a transverse de-
pression, which is partially concealed by the flavous pubescence at
the inner margin of the eyes ; surface punctate and rufo-flavous.
Thorax quadrate (slightly elongated) ; the anterior angles slightly
prominent and subacute (extending laterally considerably beyond the
base of the head), much depressed ; the sides are marginate, sensibly
constricted at the base ; a slight antemedial elevation gives to the
base an apparent transverse depression. Scutellum triangular, pu-
bescent, fusco-flavous. Elytra broader than the thorax, robust, sub-
parallel, broadly but indistinctly punctate-striate (the striation being
almost concealed by the pubescence) ; two circular black spots are
situated medially between the second and fifth striae and near the
scutellum ; the surface is slightly suffused with fuscous. Antennas.
long, robust ; the third to the fifth joints long and slender, sixth to
ninth dilated; first to fifth flavo-testaceous, sixth to ninth black,
tenth and eleventh rufo-testaceous. Legs tolerably robust.

0. binotatus differs from all the species (known to me) to which it
seems nearly allied, by the elongated (instead of transverse) form of
its thorax.

From the neighbourhood of Bahia. A single example is in the
collection of the Rev. H. Clark.

16. Omototus humero-notatus.

0. oblong o-ovatus, testaceo-pubescens, flavus ; capite inter oculos
obsolete foveolato ; fhorace transverso, ad latera rectilineari ; ely-
tris latis, robustis, punctato-striatis, testaceo-pubescentibus, ad
scutellum duce maculae circulares apparent, fuseo suffusce ; an-
tennis sat robustis, ad apicem subdilatatis, art. l-5jflavis, 6-11
fuscis ; pedibus flavis, posticis subelongatis.

Long. corp. 2 lin., lat. 1 lin.

Oblong-ovate, testaceo-pubescent, flavous. Head short, trans-
verse, hardly elongated ; above the labrum is a transverse triangular
depression, and above the base of the antennae between the eyes
is an obsolete fovea in the form of the letter Y : the eyes are large,
situated at the base of the head, and extending laterally as far as
the anterior angles of the thorax. Thorax transverse, rectangular ;

224 OMOTOTUS.

the anterior angles depressed; the sides submarginate and recti-
linear ; at the base is a broad transverse depression. Scutellum
almost obsolete. Elytra broad, robust, punctate-striate, the punc-
tures being broad and shallow, but for the most part concealed by a
fine and thick testaceous pubescence, which is especially apparent
along the line of the suture : two circular suffused fuscous -spots
occupy the space close to the scutellum, between the second and
fifth stria3. Antennae, tolerably long and robust ; the first and second
joints dilated (the first being, as in the other neighbouring species,
slightly reflected outwards, and the second short, ovate) ; the third
to fifth joints attenuated and elongated ; the sixth to eleventh joints
shorter and slightly broader; the colour of the first to fifth being
flavous, sixth to eleventh fuscous. Legs: the posterior pair sub-
elongated; flavous throughout.

From St. Paul, Brazil. In the collection of M. Deyrolle.

17. Omototus sexnotatus. (TAB. IX. fig. 2.)

0. oblongo-ovatus, parallelus, ferrugineus, flavo-pubescens ; capite
leviter producto, inter oculos in forma litterce T foveolato ; thorace
transverso ; elytris punctato-striatis, nigro-maculatis (maculae
duce apud Jiumeros, alterce mediae, alter ceque ad basin disponun-
tur) ; antennis filiformibus, subincrassatis, ferrugineis, articulis
7»w_ll»«> nigris ; pedibus flavis.

Long. corp. 1| lin., lat. | lin.

Oblong-ovate, parallel, ferrugineous, clothed throughout with a
fine yellow pile. Head short, hardly produced, with an obscure
transverse carination between the eyes, which joins at its centre a
longitudinal ridge extending to th^ base of the antennae (forming
together the character of the letter T) ; the surface at the base of the
head is levigate and finely punctate. Thorax transverse, marginate,
at its anterior angles depressed ; the antemedial surface is rounded ;
the base is transversely depressed. Elytra broad, robust, cylindrical,
short, punctate-striate, very finely pubescent, with six irregular black
spots, two at the scutellary angle (approaching, but not touching, the
suture), two (which are oblong in form and obscure) postmedial, and
two subapical and sutural. Antennae, somewhat robust, with a ten-
dency to dilatation towards the apex ; the five apical joints black,
the rest ferrugineous. Legs flavous.

The size and arrangement of the six spots on the elytra (besides
its parallel subcylindrical and short form) are quite sufficient to sepa-
rate this species.

Brazil. In the cabinet of Mr. Baly.

OMOTOTUS. 225

18. Omototus sericeo-pubescens. B.H.

O. oUongo-ovatm, sericeo-pubescens, flavo-fuscus ; capite ad basin
antennarum longitudinaliter foveolato ; thorace ad medium
transverse depresso ; elytris parallelis, punctato-striatis, ante
medium, post medium (ad marginem), et ad apicem irregulariter
et obsolete dex+ressis ; antennis robustis, ad apicem subincras-
satis, art. 1-6 flavis, 7 et 8 nigris, 9-11 flavis ; pedibus flavo-
testaceis.

Long. corp. 2± lin., lat. 1 lin.

Oblong-ovate, flavo-fuscous, covered throughout with a fine silky
flavous pubescence. Head short, slightly produced; above the la~
brum is a transverse carination ; immediately above the base of the
antenna) is a short longitudinal fovea, while on either side of this,
near to the inner margin of the eyes, is a broader and more distinct
subcircular depression ; eyes tolerably large, situated at the base of
the head, extending laterally nearly as far as the anterior thoracic
angles. Thorax transverse (almost quadrate), rectilinear ; near its
anterior margin is a central fovea, while at the sides (nearer to the
base) are two other transverse medial depressions. Scutellum trian-
gular, subpubescent. Elytra parallel, punctate-striate, with several
broad distinct depressions ; one, antemedially, near to the suture
(which extends upwards and obliquely towards the shoulders), an-
other, postmedial (near to the margin), and another near to the
suture at the apex. Antennae tolerably long and robust, slightly
incrassated towards the apex ; the first to sixth joints flavous, seventh
and eighth black, ninth to eleventh flavous. Legs flavo-testaceous,
the posterior tibiae and inflation of the terminal claw being rufo-
flavous.

Columbia. A single example is in the collection of the British
Museum.

19. Omototus transverso-notatus.

O. oblongo-ovatus, subpubescens,flavo-ferrugineus ; capite subpunc-
tato ; thorace quadrato, rectangulari, lateribus subsinuatis, ad
apicem bituberculato, ad basin depresso ; elytris latis, valde punc-
tato-striatis, transverse et irregulariter costatis, oblique quoque
fusco lineatis ; antennis robustis, ad apicem incrassatis, art. 1-5
et 9-11 flavis, Q-Spiceis-; pedibus flavis.

Long. corp. 1^ lin., lat. \ lin.

Oblong-ovate, sufficiently robust, sparingly pubescent, flavo-
ferrugineous. Head short, abruptly deflected, slightly produced in

226 METRIOTES.

front : eyes situated at the base of the head, extending laterally not
so far as the anterior angles of the thorax ; between the eyes and
above the base of the antennae is an obsolete oblique fovea in the
shape of the letter Y : the surface is finely punctate, and at the
inner margin of the eyes subpubescent. Thorax quadrate (slightly
elongate) and rectangular ; the sides are marginate and towards the
base subsinuate ; near the anterior margin are two oblong tubercles,
distinctly and broadly prominent ; the base is transversely depressed ;
the surface is punctate and subpubescent. Scutellum small, trian-
gular. Elytra broad, deeply and coarsely punctate-striate, with
several irregular ridges and depressions ; a broad and deep, obliquely
transverse depression (from the shoulders to the middle of the suture)
is the most conspicuous ; below this is another, transversely oblique,
situated postmedially : the surface is flavo-pubescent ; two irregular
and suffused fuscous lines extend obliquely from the suture (slightly
in the direction of the apex) to the margination. Antennae robust,
incrassated ; the joints first to fifth flavous, sixth to eighth piceous,
ninth to eleventh rufo-flavous. Legs flavous, the anterior tarsi and
base of the tibiae being piceous, the posterior tibiae rufous, and the
base of the posterior femora suffused with fuscous.

Tunantius, in the district of the River Amazon.

Genus 36. METRIOTES*.

PALPI MAXILLARES sat robusti ; art. 2nd0 latiori quam penultimo, in-

crassato ; penultimo brevi, quadrate.
PALPI LABIALES : art. 2nd0 et 3tio elongatulis, 2nd0 robustiori.
ANTENNA attenuatce, filiformes.
CAPUT antice productum, depressum.

THORAX transversus, rectangularis, ad basin transverse lineato-foveo-
latus.

ELYTRA elongata, subparallela, depressa.

PEDES anteriores attenuati : tibiis posticis elongatis, a retro visis lon-
gitudinaliter excavatis ; marginatione undique quinque aut sex
calcaribus armata; ung'uicula ultima bifida, simplici, Tiaud
dentata.

Labrum subcircular, narrow.

Maxillary palpi (Tab. III. fig. 8 m) sufficiently short, robust, di-
stinguished in form from those of other genera by having the second
joint more broadly incrassated than the penultimate ; the basal joint

modestia.

METRIOTES. 227

is minute, elongate, dilated towards the apex ; the second is trans-
verse, obliquely truncate at its base, its breadth being equal to nearly
twice its length, and more than twice the breadth of the basal joint ;
the third is transverse, almost quadrate, cylindrical, about two-thirds
the breadth of the second joint, and situated apparently (not, as in
other genera, medially, but) towards the side of its apex ; the terminal
joint is short and acuminate, in breadth it is distinctly narrower than
the third joint.

Labial palpi (Tab. III. fig. 8 n) somewhat smaller than the maxil-
lary palpi ; the second joint is elongate, and attenuate towards the
base ; the apical joint is almost as long as the second, more attenu-
ate, and acuminate.

Antennae situated on the line of the lower margin of the eyes,
attenuate and filiform ; the third and fourth joints are subequal,
and nearly equal in length to the basal joint.

Eyes lateral, situated at the base of the head, large, in form suffi-
ciently globose and suboval.

Head distinctly produced in front, in this character approaching
closely to the form of the genus Rhinotmetus ; above the labrum is
an evident, but not abrupt or angulated, transverse depression ; the
anterior portion of the head is considerably depressed.

Thorax broader than the head, transverse, rectangular; the
surface is equate; near the basal line is a transverse depression,
not broad and shallow as in most other genera, but distinct and
narrow, resembling somewhat the thoracic fovea in the genus Mono-
platus.

Scutellum triangular, subelongate, situated in the plane of the
elytra.

Elytra slightly broader than the thorax, elongate, subparallel, and
depressed-, the humeral and scutellary angles are very slightly
raised.

Legs : the anterior femora and tibiae subattenuate, the latter being
straight, and hardly dilated towards the apex. The tarsi are short ;
the third joint is broader than the rest and slightly bilobed. The
posterior femora (when seen transversely) are incrassated; in form
ovate, attenuate towards the apex. The tibia are elongate, inflected
at their immediate base, straight, and slightly thickened towards the
apex ; when viewed from behind, the posterior surface is longitudi-
nally grooved ; the margination of this groove is armed (from the
middle to the apex) on either side with a row of five or six short and
sharp spurs, thus closely resembling the tibia of the genus Monopla-
tus ; the extreme apex of the tibiae is terminated (as in other genera)
below the insertion of the tarsus by two incurved claws. The tarsus

0.2

228 METPvIOTES.

is attenuate, and somewhat more elongate than in the adjoining
groups ; the first and second joints arc long and narrow ; the third
is very short ; the apical claw, which is completely concealed from
above by the globular inflation of the last joint, is bifid, and unarmed
at its inner surface by any basal tooth.

The form of this genus is very interesting, inasmuch as it presents
several special peculiarities. In general facies it differs from all the
species composing the genus Hypolampsis by its depressed form and
subelongate posterior femora ; and a careful microscopic examination
shows still more interesting points of divergence, in its dilated ante-
penultimate joint of the maxillary palpi, and the series of spurs which
arm the margination of the posterior tibiae »

1. Metriotes Robinsonii. (TAB. III. fig. 8.)

M. ovata, parallela, depressa, impubescens, punctato-striata, gldbra,
flava; capite transverse, antice proditGto, ad basin punctulato;
thorace transverse, ad basin transverse foveolctfo ; elytris elonya-
tulis, punctato-striatis ; antennisjiliformibus.

Long. corp. If lin., lat. \ lin.

Ovate, parallel, depressed, impubescent, punctate-striate, glabrous ;
of a flavous colour throughout. Head transverse, depressed, and pro-
duced in front ; below the base of the antennas is a slight transverse
depression ; the surface is levigate, at the base punctate. Thorax
broader than the head, transverse, anteriorly very slightly emarginate;
the anterior angles are depressed and quite distinct ; the sides are
marginate and obsoletely sinuate ; parallel to, and closely adjoining,
the basal line is a transverse thread-like fovea, which. (exactly corre-
sponding in form to that in the genus Monoplatus) is not produced
to the lateral margins, but is deflected to the line of the base ; the
surface is finely punctate. Elytra somewhat broader than the
thorax, parallel, and depressed; the surface is punetate-striate,
the punctures being distinct and the strias almost obsolete ; the
scutellary angles are slightly raised. Antenna attenuate and fili-
form. Legs attenuate, the postical femora and tibia3 being some-
what elongate.

I name this species after Mr. E. H. Eobinson, to whom I am
indebted for the care and diligence which he has shown as an artist
and engraver in the preparation of the plates of this volume.

The single example upon which this genus is based (which is
flavous throughout, and impubescent) was sent home by the late
Mr. Squire from the neighbourhood of Rio Janeiro.

POEBATES. 229

Genus 37. POEBATES*.

PALPI MAXILLARES robusti, art. penultimo quadrato, cylindrico.
PALPI LABIALES elongati, minuti.
AxTENNmjfiliformes, hand robustce.
CAPUT breve, pcene verticale, antice subproductum.
THORAX transversus, cequatus.
ELYTRA lata, robusta, subcylindrica, punctato-striata.

PEDES sat robusti ; femoribus posticis br embus, valde incrassatis ; tibiis
brevibus, inarmatis.

Labrum subcircular.

Maxillary palpi (Front, fig. 7 w) : the basal joint minute ; the
second abbreviated, and in form almost triangular ; the third longer
and considerably broader than the second; the fourth conical, in
breadth equal to the apex of the third.

Labial palpi (Front, fig. 7 n) attenuate, elongate ; the penultimate
joint subcylindrical.

Antennae approximate, situated below the inner margin of the
eyes ; short, filiform, the third, fourth and fifth joints being slightly
more attenuate than the rest.

Eyes, lateral, situated at the base of the head, globose.

Head short, depressed, almost vertical, somewhat produced in front ;
above the base of the antennae transversely depressed.

Thorax broader than the head, transverse, rectangular, the basal
angles being in some examples obsoletely obliquely truncate; the
surface is equate, and in P. nigripes subpubescent.

Elytra broad, much more robust than the thorax, short, subcylin-
drical, not antemedially transversely depressed, punctate-striate.

Legs : the anterior femora sufficiently robust, and slightly incurved.
The tibice are slightly thickened towards the apex. The tarsus is
short, the basal joint being somewhat dilated ; the second joint is of
the same form as the first, but considerably smaller; the third
broader, subcircular, and distinctly bilobed : the apical claw is armed
on either side at its under surface near the base with a short and
robust inner tooth. The posterior femora are short and much in-
crassated. The tibice are short, slightly thickened towards the apex :
when viewed from behind, a longitudinal groove is apparent, which
forms a socket for the insertion of the tarsus ; this socket is simple
and unarmed. The tarsi are short and attenuated.

The species forming this genus separates itself at once from the

* Troir), herba ; /3aiVo>, incedo.

230 HYPOLAMPSIS.

species of other adjoining genera by its short filiform antennae, its
robust, equate, and parallel elytra, and by its short posterior femora
and tibiae. Its facies (although generally similar to) is manifestly
different from that of Omototus, from which it may be also at once
distinguished by its filiform antennae ; from Hypolampsis it differs by
the absence of any transverse depression on the elytra and by the
form of its posterior tibiae ; from both groups it is distinguishable also
by the form of its maxillary palpi.

1. Poebates nigripes. (FRONT, fig. 7.) B.M.

P. ovata, robusta,Jlavo-ferruginea, pubescens ; capite antice (super
basin antennarum) oblique foveolato ; ihorace transverse, apud
angulos posticos subdepresso ; elytris punctato-striatis ; antennis
nigris ; pedibus nigris, tarsis posticis piceo suffusis.

Long. corp. 1J lin., lat. f lin.

Ovate, robust, flavo-ferrugineous, pubescent. Head short, hardly
elongated in front, punctate ; between the eyes (above the base of the
antennae) is a Y-shaped depression. Thorax transverse ; the anterior
angles depressed, slightly compressed and rounded ; two broad post-
medial depressions are apparent near the humeral angles. Scutellum
small, almost obsolete. Elytra robust, subparallel, punctate-striate.
Antennae filiform, with a slight tendency to dilatation towards the
apex ; the first joint is broad, dilated at the apex, and inflected out-
wards ; the second short and ovate ; the third, fourth and fifth of
nearly equal length, but not so long as the first. Legs black, the
posterior tarsi being suffused with piceous ; the posterior apical in-
flated joint bright black ; the anterior claws rufo-ferrugineous.

Apparently a common species in the Island of St. Paul's ; found
also in the neighbourhood of Eio Janeiro, and taken by my friend
Mr. Gray and myself at Constancia during our visit to the Organ
Mountains.

In the collection of the British Museum ; also in those of Messrs.
Baly, Gray, Miers, Waterhouse, and the Rev. H. Clark.

Genus 38. HYPOLAMPSIS*.

PALPI MAXILLAEES elougati, art. penultimo robusto, quadrato, art. api-
cali conico.

PALPI LABIALES elongatuli, subcylindrid.
ANTENNAE robustce, autfiliforrn.es aut dilatatce.

* VTTO, sub ; X<r/M\|/e?,'fvilgor.

HYPOLAMPSIS. 231

CAPUT breve, semper verticale aut penitus verticale, et antice obsolete

productum, granulatum aut punctatum.
THOEAX aut quadratus aut transversus.

ELYTEA lata ; aliquando subglobosa, aliquando parallela ; punctato-

striata, plerumque ante medium oblique depressa.
PEBES robusti ; tibiis posticis inarmatis, simplicibus.

Labrum subcircular, in some species medially sinuate.

Maxillary palpi (Tab. IX. fig. 3 m) incrassated ; the first and
second joints more or less attenuated ; the third joint robust and
transverse, the breadth being considerably greater than the length ;
sometimes in form globular.

Labial palpi (Tab. IX. fig. 3 n) elongate, cylindrical ; the apical
joint attenuate.

Antennae approximate, situated below (or parallel with the inner
margins of) the eyes ; in some species of the group (as in H. Lacor-
dairii) filiform and robust, in others (as in H. albo-guttata) sub-
dilated or distinctly incrassated.

Eyes situated close to the base of the head, for the most part di-
stinctly globular; their form is circular, or (in some few species,
like H. elegantula and H. nana) with a distinct tendency to an oval
form.

Head : at the base short and transverse ; in all the species of the
group vertical, the apex being for the most part more or less pro-
duced or subattenuate : in all the species there is, above the labrum,
a transverse triangular plane ; this plane is occasionally bounded by
oblique carinations : the surface between the insertion of the antennae
and the base of the head is punctate, or more frequently granulated.

Thorax always somewhat broader than the head, and distinctly
narrower than the elytra; in form it is either subelongate (as in
H. elegantula), or in most species quadrate (as in H. Balii) ; it is
occasionally, however, distinctly though not broadly transverse (as
in H. albo-guttata) ; the form is always rectangular, the angles
being always distinct or subacute ; the sides are always marginate,
frequently subconstricted (in some species, as in H. elegantula, di-
stinctly constricted) at the base ; occasionally the margin is in out-
line slightly sinuate ; the surface is equate, generally flattened and
depressed, rarely elevated or gibbous ; at the base, for the most part,
transversely depressed ; more or less punctate, or granulated, and
subpubescent.

Scutellum triangular, situated on (very rarely below) the plane of
the elytra.

Elytra in all the species considerably bro«der than the thorax,

232 IIYPOLAMPSIS.

sufficiently robust, elongate, parallel and Biibcylindrical or (in a few
species, as in H. cestivalis and H. porculus) very broad, short and
globose : the surface is for the most part antemedially transversely
depressed, giving a prominence, more or less distinct, to the humeral
or scutellary angles; in all the species punctate -striate, and pubescent
or subpubescent : the colour in the different species has a degree of
uniformity ; it is always fuscous or flavo-fuscous ; occasionally nigro-
fuscous ; never brightly coloured or variegated by distinct markings.

Legs robust ; in general form a greater similarity is apparent than
is the case with other parts of the body. The anterior femora, when
viewed from in front, are cylindrical, generally attenuated towards
the base, and sometimes towards the apex, where they are for the most
part abruptly truncate. The tibia are (more or less distinctly) in-
curved at their immediate base, straight, slightly thickened towards
the apex, and in some species distinctly flattened longitudinally
when viewed from behind ; that is, of a triangular rather than of a
cylindrical form. The tarsi are in all the species short, frequently
scarcely two-thirds the length of the tibia) ; the first and second joints
are subequal, and in form triangular (the second being a trifle shorter
and perhaps broader than the first) ; the third is much broader than
the basal joints, transverse, and more or less distinctly bilobed ; from
the base of the third proceeds the terminal joint, which is, as usual,
attenuated and subincurved ; the terminal claw is bifid, and robust at
the base : for the most part, certainly, the claw is simple and un-
armed; in one or two species, however, there may be traced the
rudiments of an inner basal tooth. Posterior femora broadly in-
crassated, and more evidently elongate than in the preceding genus,
Poebates. The tibice are short, incurved at their immediate base,
straight, and dilated at the apex; the surface is longitudinally
flattened (and also medially subcompressed when viewed directly
from behind) ; this flattened surface is in some species slightly grooved,
and terminates in a socket for the reception of the tarsus, which ap-
pears to be more shallow and less excavated than in other genera ; in
H. elegantula this socket is fringed with a few short and straight
comb-like teeth. The tarsus is short and attenuate, the apical claw
being quite concealed by the inflation of the last joint.

A very difficult group : it is composed entirely of minute species.
After many weeks of careful microscopic investigation, I have
ventured to bring all the species together under a single genus. It
will have been obvious, from the preceding generic diagnosis, that
there is very much dissimilarity in general form among the species
included; nevertheless there are between these several divergent
forms so many connecting links and intermediates, that I am quite

HYPOLAMPSIS. 233

unable to satisfy my own mind as to the exact limits of any subdivision
that would suggest itself. In general facies there is a marked re-
semblance: the insects composing the group are never brightly
coloured, never variegated by distinct markings ; they are in colour
fuscous, and for the most part pubescent. In the form of the posterior
tibia also (which in this section of the Galerucidae supplies such
valuable generic characters), the different species present little, if
any, dissimilarity : the tibia is longitudinally grooved (less apparently
so than in other genera) ; the margination of this groove is simple,
and unarmed by any even obsolete spur.

Subdivision A. Elytris parallelis, plus minus robustis, plerumque ante
medium oblique depresses.

1. Hypolampsis melanotus.

H. oblong o-ovata, parallela, subdepressa, nigra ; capite brevi, rufo ;
thorace transverso, ad basin bidepresso, punctato, rufo ; elytris
latis, parallelis, punctato -striatis, squamosis, ante medium oblique
subdepressis, nigris, ad marginem undique rufis ; antennis dila-
tatis, fulvis, ad basin piceis ; pedibus rufis.

Long. corp. If lin., lat. f lin.

Oblong-ovate, parallel, subdepressed, black. Head short, trans-
verse, not produced ; eyes tolerably large, situated at the base of the
head; the surface (when viewed under a high power) very finely
punctate, of a dark rufous colour. Thorax transverse, rectilinear,
rectangular ; the anterior angles subdepressed ; the sides obsoletely
marginate ; at the base (when viewed from in front) is a transverse
obsolete depression, which does not extend to the posterior angles ;
the surface thickly and irregularly punctate (the punctures themselves
being of uneven form, some circular, and some vermiculate), of a
rufous colour throughout. Scutellum triangular, rufous. Elytra
broader than the thorax, parallel, punctate-striate, the punctures
being almost concealed by a thick and close squamose pile : a little
before the middle is a broad, obliquely transverse depression, extend-
ing towards the shoulders and giving an appearance of prominence
to the scutellary angles ; the colour black, with margins (along the
shoulders, the margination, and at the base) of a dark-red colour.
Antenna fine, dilated towards the apex ; the joints one to six being
elongate, narrower, and of a fulvous colour; the joints seven to
eleven being shorter, distinctly dilated, and fuscous. Legs rufous
throughout.

This handsome species is at once to be separated from its congeners
by the colour of its elytra, which is pitchy-black, margined with

234 HYPOLAMPSIS.

rufo-flavous. It is a question whether it ought not to be separated
generically : the elytra are more evenly parallel, and also somewhat
more elongated ; the posterior tibiae also are shorter than is the case
with most of the other species of the group.
Chili. In the collection of M. Chevrolat.

2. Hypolampsis Balii.

H. oblongo-ovata, sat robusta, punctato-striata, ferruginea ; capite
brevi, hand producto, punctato ; thorace quadrato, ad basin con-
stricto, punctato, subpubescenti, piceo ; elytris latis, oblique ante
medium depressis, punctato-striatis, obsolete flavo-pubescentibus ;
antennis robustis,filiformibus,ferrugineis, art. 7-11 fusco -piceis ;
pedibus Jlavis.

Long. corp. 2 lin., lat. 1 lin.

Oblong-ovate, sufficiently robust, deeply punctate-striate, obsoletely
pubescent, ferrugineous. Head short, transverse, almost vertical, not
produced in front ; above the labrum is a transverse plane depression,
which is bisected by a medial longitudinal carination (sometimes
almost obsolete) : the eyes are prominent and lateral ; between the
eyes the surface is deeply punctate. Thorax quadrate, constricted
and transversely depressed at the base ; the anterior angles are sub-
acute and much depressed ; the sides finely marginate ; the surface
is thickly punctate and finely pubescent (more distinctly at the base
and sides); in colour piceous. Scutellum minute. Elytra broad,
robust, subdepressed ; an antemedial depression extends obliquely
upwards towards the humeral angles, giving an appearance of pro-
minence to the surface near the scutellum ; deeply punctate-striate,
clothed throughout (but more apparently at the apex) with obsolete
flavous pubescence. Antennae robust, filiform, with a tendency to
dilatation towards the apex ; the colour is ferrugineous, the joints
seven to eleven being fusco-piceous. Legs flavous throughout, the
posterior femora being suffused with ferrugineous.

H. Balii is distinguishable from all its congeners with which I am
acquainted by its greater size ; its deeply striated elytra, combined
with its constricted thorax, also readily distinguish it.

Brazil. In the cabinets of Messrs. Baly, Deyrolle, and the Rev.
H. Clark.

3. Hypolampsis elegantula.

H. oblonga, ovata, robusta, subcylindrica, subpubescens, grisea ;
capite brevi, antice hand producto, punctato ; thorace quadrato,
ad basin constricto et transverse depresso,flavo-pubescenti; elytris
sat latis, punctato-striatis, subtiliter oblique ante medium depressis;

HYPOLAMPSIS. 235

antennis robustis,fiUformibus, rufo-flavis, ad basin piceo suffusis ;
pedibus rufo-flavis.

Long. corp. 1| lin., lat. f lin.

Oblong, ovate, robust, subcylindrical, finely pubescent, of a griseous
colour. Head short, not produced in front; eyes large, lateral,
situated at the base of the head ; between the eyes is a longitudinal
medial fovea ; the surface is finely punctate, and near the margin of
the eyes subpubescent. Thorax quadrate, constricted at the base ;
the anterior angles are nmch depressed ; the sides are marginate ; at
the base is a broad transverse depression, which is produced on either
side obliquely to the humeral angles; the surface is finely flavo-
pubescent. Scutellum triangular and minute. Elytra somewhat
broader than the thorax, punctate-striate, the punctures being nearly
concealed by a fine clothing of pale griseous pubescence; in some
examples, where this pubescence is less apparent, a slight ante-
medial transverse depression extends obliquely upwards towards the
shoulders ; near the scutellary angles are two suffused circular mark-
ings of piceous ; two others somewhat larger, but equally suffused, are
postmedial. Antennce robust, filiform, the third joint being attenuated,
and in colour rufo-flavous ; the two basal joints are suffused with
piceous. Legs rufo-flavous, the posterior femora and tibiae being
fusco-rufous.

This species may be recognized from H. Balii by its more distinct
pubescence, and by the four suffused markings on the surface of its
elytra ; it differs from all its congeners by its greater size.

Taken by the late Mr. Squire in the neighbourhood of Kio Janeiro.
In the collection of Mr. Baly.

4. Hypolampsis multicostata.

H. oblongo-ovata, subelongata, subcylindrica, impubescens, nigra ;
capite brevi, inter oculos transverse depresso, granulato ; thorace
transverso, ad angulos basales depresso, subtiliter flavo-pubescenti,
granulato ; elytris subparallelis,punctato-striatis, ad apicem sub-
tiliter flavo-pubescentibus ; antennis tenuibus, ad apicem incras-
satis, art. 1-6 flavis, 7-11 fuscis ; pedibus flams, femoribus
posticis fuscis.

Long. corp. If lin., lat. 1 lin.

Oblong-ovate, subelongate, subcylindrical, impubescent, fuscous-
black. Head short, transverse, subelongated ; between the base of
the antenna and the labrum is a depressed plane, which is bounded
on its upper surface by two oblique carinations ; from the base of the

236 HYPOLAMPSIS.

antennae extends a medial longitudinal minute fovea, which is ter-
minated at its upper extremity by a broader and more obsolete trans-
verse depression : eyes tolerably large, not extending laterally as far
as the anterior angles of the thorax ; the surface throughout is gra-
nulated, impubescent, and fuscous-black. Thorax transverse (almost
quadrate), rectangular ; the anterior angles depressed ; the sides sub-
marginate ; at the base is a transverse obsolete depression, which is
most apparent near the basal angles ; the surface (when viewed
under a high power) is very finely flavo-pubescent, and finely granu-
lated throughout. Scutellum small, triangular, impunctate. Elytra
somewhat broader than the thorax, subparallel, robust, deeply punc-
tate-striate ; a transverse antemedial depression extends obliquely
upwards towards the humeral angles, giving an appearance of pro-
minence to the surface near the scutellum ; at the apex a fine flavous
pubescence may be discerned with a high magnifying power. An-
tennae fine, slightly incrassated at the apex, the joints one to six being
flavous, seven to eleven (which are shorter and subdilated) fuscous.
Legs flavous ; the posterior femora being fuscous, and the globular
inflation of the posterior claw rufo-fuscous.

Brazil. In the collection of M. Chevrolat.

5. Hypolampsis i

H. oblongo-ovata, subrobusta, subparallela, picea ; capite ad apicem
transverse carinato ; thorace transverso, rectangulari, ad apicem
et ad basin transverse depresso, ferrugineo-pubescenti ; elytris
punctato-striatis, ante medium transverse depressis, ad basin et
ad latera ferrugineo-pubescentibus; antennisfiliformibus,flavis,
art. 7 et 8 ferrugineis ; pedibus jlavis} femoribus posticis piceis.

Long. corp. 1J lin., lat. | lin.

Oblong-ovate, tolerably robust, subparallel, of a piceous colour
throughout. Head short, slightly elongated ; immediately above the
labrum is a transverse ridge, the ends of which are connected with
the base of the antennae by two other obliquely transverse carinations;
eyes somewhat prominent, situated at the base of the head ; the sur-
face is finely punctate, subpubescent. Thorax transverse, rectangular,
rectilinear ; the sides submarginate ; two distinct depressions extend
transversely, one antemedially, and the other (which is broader) post-
medially ; the surface is clothed with a fine ferrugineous pubescence.
Scutellum small and triangular. Elytra broadly punctate-striate,
antemedially and transversely depressed ; at the base and (sparingly)
at the sides clothed with a ferrugineous pubescence. Antenna; fili-
form, attenuate ; of a flavous colour, the seventh and eighth joints

HYPOLAMPSIS. 237

being ferrugineous. Legs flavous ; the postical short ; the femora being
piceous, and the globular inflation of the posterior claw bright rufous.

This species is evidently abundant in the neighbourhood of Rio
Janeiro, where it has been taken by Mr. Fry, as well as by Mr. Gray
and myself. It is tolerably constant in colour and markings, and
may be separated from most of its congeners by the irregular trans-
verse markings on the elytra.

6. Hypolampsis Miersii.

H. oblongo-ovalis, subcylindrica, punctato-striata, subtiliter pubes-
cens,picea ; capitebrevi, vix producto, sparsim flavo-pubescenti ;
thorace transverse, ad basin constncto, punctulato, subpubescenti ;
elytris robustis, ante medium transverse • depressis, punctato-
striatis; antennis ad apicem dilatatis, art. 1-5 flavis, Q-Spiceis,
9-11 testaceis ; pedibus flavis, femoribus posticis ad apicem piceo
suffusis.

Long. corp. 1^ lin., lat. % lin.

Oblong-ovate, sufficiently robust, subcylindrical, punctate-striate,
finely pubescent, piceous. Head short, abruptly deflected at right
angles to the elytra, hardly produced in front ; below the base of
the antennae is a transverse triangular and depressed plane: eyes
tolerably large, extending laterally as far as the anterior angles of
the thorax ; between the eyes is an obsolete medial carination ; the
surface is finely flavo -pubescent. Thorax transverse (almost qua-
drate), at the base distinctly constricted and transversely depressed ;
the sides faintly marginate ; the surface is finely punctate and obso-
letely pubescent. Scutellum triangular, impunctate. Elytra broader
than the thorax, robust, antemedially transversely depressed; the
scutellary angles are somewhat gibbous; punctate-striate (the punc-
tures being shallow and the striae broad and deep) ; the surface is
irregularly clothed with obsolete pale pubescence. Antenna? attenu-
ated, subdilated towards the apex ; joints one to five flavous, six to
eight piceous, nine to eleven testaceous. Legs flavous, the apex of
the posterior femora being suffused with piceous.

This species differs from H. incequalis in its concolorous elytra ; it
is more robust than H. Dohrnii, the markings of the antennoa are
different, and the striae on the elytra are deeper ; it closely resembles
in form H. Murraii, but is distinguishable from that species by its
differently coloured and pubescent elytra ; from all other allied species
it may be separated either by the character of the markings on the
antennae, or by its greater size.

Surinam ; Paramaribo. In the collection of M. Dohrn.

238 HYPOLAMPSIS.

7. Hypolampsis Dohrnii.

H. oblongo-ovata, subrobusta, obsolete pubescens, fusca ; capite vix
producto, punctato ; thorace transverso, ad basin constricto et
transverse depresso, punctato ; elytris robustis, punctato -striatis,
ante medium transverse depressis, fuscis, ad apicem et ad humeros
rufo suffusis ; antennis subdilatatis, art. 1-6 flavis, 7 et 8 fuscis,
9-11 testaceis ; pedibus Jtavis,femoribus posticis fuscis.

Long. eorp. 1-J. lin., lat. | lin.

Oblong-ovate, subrobust and subparallel, obsoletely pubescent,
fuscous. Head short, transverse, almost vertical, slightly produced
in front ; between the basal joints of the antennae is an obsolete
longitudinal carination ; the surface is finely punctate and pubescent ;
eyes tolerably large, situated nearly at the base of the head. Thorax
transverse (almost quadrate), constricted towards the base ; the sides
finely marginate; the base not so distinctly depressed as in the
preceding species ; the surface is thickly punctate and impubescent.
Scutellum large, triangular. Elytra broader than the thorax, sub-
cylindrical, punctate-striate, antemedially transversely depressed ;
the surface is very obsoletely pubescent, fuscous, suffused with paler
rufous colour at the apex and near the humeral angles ; this rufous
colouring is more or less distinct in different examples. Antennce
slightly dilated towards the apex ; joints one to six flavous (the first
and sixth joints^ being in some specimens suffused with fuscous), seven
and eight fuscous, nine to eleven testaceous. Legs flavous, the pos-
terior femora being fuscous.

This species, closely allied to H. Miersii, may be separated from it
by its less deep punctuation on the elytra.
Brazil and the Island of St. Paul's.

8. Hypolampsis albo-guttata. (TAB. IX. fig. 3.)

H. ovata, lata, ferrugineo-picea ; capite subproducto, ad apicem
transverse carinato, inter oculos longitudinaliter foveolato ; thorace
transverso, ad medium subdilatato, subtiliter pubescenti ; elytris
latis, punctato-striatis, ante medium transverse depressis, maculis
albis sparsim notatis ; antennis ad apicem incrassatis, art. 1-6
rufo-fuscis, 7 et & pattide testaceis, 9-11 fuscis; pedibus flavis,
tarsis anterioribus nigro-fuscatis, femoribus posticis piceis.

Long. corp. 1-^ lin., lat. f lin.

Ovate, broad, impubescent, ferrugineo-piceous. Head short, trans-
verse, subdepressed, elongated in front ; above the labrum is a some-
what prominent transverse ridge, separated from the base of the
antennae by a smooth glabrous depression ; immediately above the

HYPOLAMPSIS. 239

base of the antennae (which are contiguous) is a short longitudinal
fovea, above which (when viewed laterally or obliquely) a slight
medial carination extends to the base ; eyes large, somewhat pro-
minent, extending laterally as far as the angles of the thorax ; the
surface finely punctate, and at the inner margin of the eyes subpubes-
cent. Thorax transverse, rectangular ; the anterior angles subacute
and depressed ; the sides marginate, the margination being medially
subdilated, while immediately behind the anterior, and in front of
the posterior angles, it is sensibly constricted : the surface (under a
high magnifying power) very finely pubescent; two longitudinal
irregular white lines extend on either side from the apex to the base,
immediately within the line of margination. Scutellum distinct, tri-
angular, very finely pubescent. Elytra broad, subdepressed, coarsely
punctate-striate; an antemedial depression extends obliquely upwards
towards the humeral angles : several small spots, formed of white pu-
bescence (more or less distinct in the example before me), in number
about fourteen, are scattered over the surface of the elytra, more
frequently towards the apex ; the surface (under a high magnifying
power) shows traces of a very fine pubescence. Antennae short, in-
crassated towards the apex ; the first joint elongate and broad ; second
short, broad, ovate ; third and fourth fine ; fifth to eleventh gradually
but distinctly incrassated : in colour, the first to sixth rufo-fuscous
(the second and third being more palely rufous), seventh and eighth
very pale testaceous, ninth to eleventh fuscous. Legs-, anterior
flavous, the base of the tibiae and also the tarsi being fuscous ; the
posterior fuscous, the tibiae being rufo-flavous.

Brazil. In the collection of Mr. Baly.

9. Hypolampsis Murraii.

H. oblongo-ovata, robusta, subcylindrica, fortiter punctato-striata,
impubescens, nigra ; capite depresso, vix antice producto, gra-
nulato ; ihorace transverse, cequato, punctato ; elytris robustis,
punctato-striatis, nigris ; antennis robustis, ad apicem subin-
crassatis, nigris, art. 10 et 11 testaceis ; pedibus flams, tar sis
et tibiis (ad apicem) anterioribus fuscis, femoribusque posticis ad

Long. corp. 1^ lin., lat. f lin.

Oblong-ovate, robust, subcylindrical, deeply punctate-striate, irn-
pubescent, pitchy-black. Head transverse, verticaUy depressed,
slightly produced in front ; above the labrum is a transverse triangular
plane depression ; above the base of the antennae are two obsolete
tubercular elevations ; eyes tolerably prominent, at the base of the

240 HYPOLAMPSIS.

head; the surface deeply granulated. Thorax transverse (almost
quadrate) ; the anterior angles depressed ; the sides parallel and mar-
ginate ; the surface equate, and granulated, not so deeply as the head.
Scutellum triangular, impunctate. Elytra robust, parallel, deeply
and regularly punctate-striate, impubescent, except obsoletely at the
apex. Antennce robust, subdilated towards the apex, black, the two
apical joints being testaceous. Legs flavous ; the anterior tarsi and
apex of the tibiae suffused with fuscous, and the base of the posterior
femora piceous.

This very distinct species may be separated from all others by its
uniformly pitchy -black colour, its impubescence, and the arrange-
ment of markings on the antennae.

H. Murraii occurs not unfrequently in the suburbs of Bio Janeiro,
where it was taken by Mr. Gray and myself, and also, in some
abundance, by Mr. Fry during his*visit to the Brazils in the spring
of this year. Mr. Fry remarks respecting this species, " it con-
gregates on the tops of some small shrub, one or two individuals
frequently on each leaf; they are very difficult to secure, as they
leap off with great force and activity on being approached."

10. Hypolampsis signaticornis.

H. oblongo-ovata, parallela, subcylindrica, subtiliter pubescens,
nigra ; capite brevi, ad basin granulato ; thorace transverso, ad
basin constricto et transverse depresso, punctato ; elytris punc-
tato-striatis,, ad medium, oblique depressis, ad basin flavo-sub-
pubescentibus ; antennis incrassatis, ad apicem rufo- fastis, arti-
culis 3, 4, et 8-11 testaceis ; pedibus flavis.

Long. corp. 1| lin., lat. f lin.

Oblong-ovate, parallel, subcylindrical, very finely pubescent, black.
Head short, transverse, depressed at right angles to the plane of the
thorax, produced in front ; mandibles flavous, with the apex fuscous ;
above the labrum is a transversely triangular depression ; eyes large,
prominent, situated at the base of the head ; the surface at the base
(above the antennae) is thickly granulated. Thorax transverse (the
length being nearly equal to the breadth), constricted towards the
base ; the anterior angles are depressed ; the sides are marginate ;
at the base is a broad and shallow transverse depression ; the surface
throughout is thickly and coarsely punctate. Scutellum minute.
Elytra somewhat broader than the thorax, parallel, coarsely punc-
tate-striate throughout, and at the apex clothed sparingly with ob-
solete flavous pubescence ; a shallow transverse antemedial depres-
sion extends obliquely upwards towards the humeral angles, giving

HYPOLAMPSIS. 241

an appearance of prominence to the surface near the scutellum.
Antennae, robust, incrassated towards the middle and apex ; the third
and fourth joints being of nearly equal length, longer than the others,
and attenuated ; the fifth to the eleventh short, and gradually di-
lated : in colour, the first and second are rufo-fuscous, the fifth to the
seventh fuscous, the third, fourth, and eighth to eleventh testaceous.
Legs flavous throughout, the globular inflation of the posterior claw
being brightly rufous.

Para. In the collection of M. Chevrolat.

11. Hypolampsis nana.

H. ovata, lata, robusta, impubescens, picea ; capite brevi, qranulato ;
thorace transverso (subquadrato), ad basin constricto, antice et ad
basin transverse depresso, crebre punctulato ; elytris robustis,
valde punctato-stnatis, transverse subdepressis, ad apicem et ad
marginem rufo-ferrugineis ; antennis filiformibus, rufo-ferrugi-
neis, art. 7 et 8 rufo-piceis ; pedibus rufo-ferrugineis, femoribus
posticis suffuso-piceis.

Long. corp. 1| lin., lat. -| lin.

Ovate, broad, robust, impubescent, piceous. Head short, slightly
produced in front ; below the base of the antennae is a transverse,
depressed, equate plane ; the eyes are subprominent, extending late-
rally beyond the anterior angles of the thorax ; the surface is gra-
nulated. Thorax transverse (somewhat quadrate), slightly constricted
towards the base ; the anterior angles subacute and depressed ; the
sides are marginate ; near the anterior margin (and also more
broadly at the base) is a transverse depression, most distinct near to
the anterior angles ; the surface is thickly and very finely punctate.
Scutellum triangular. Elytra broad, robust, coarsely and deeply
punctate-striate ; a transverse antemedial depression extends ob-
liquely upwards towards the humeral angles ; the surface is piceous,
at the apex broadly (and also at the margin) rufo-ferrugineous: a short
transverse line extends from the sixth stria postmedially to the
margination (in colour also rufo-ferrugineous) ; this line is some-
times interrupted and assumes the form of a spot. Antennas filiform,
rufo-ferrugineous, the seventh and eighth joints being rufo-piceous.
Legs rufo-ferrugineous, the posterior femora being suffused with
piceous.

This obscure little species is separated from most of its congeners
by the transverse anterior depression of its thorax and the rufous
apex of its elytra.

From the neighbourhood of Rio Janeiro. Taken by the late

Mr. Squire.

R

242 HYPOLAMPSIS.

12. Hypolampsis pumilio.

H. ovata, lata, robusta, nigro-ferruginea ; capita antice longitudi-
naliter obsolete carinato, punctato ; thorace transverso, ad basin
constricto et depresso,jlavo-pubescenti, punctato ; elytris robustis,
punctato-striatis, ante medium transverse depressis, nigro-fer-
rugineis, ad scutellum piceo suffusis ; antennis rufo-testaceis,
art. 6—8 piceis ; pedibus flavis, posticis rufis, ad femora piceo
suffusis.

Long. corp. 1^ lin., lat. -| lin.

Ovate, broad, robust, of a nigro-ferrugineous colour, impubescent.
Head short, slightly produced in front ; below the base of the an-
tennae is a triangular plane depression ; above the antennae (when
viewed obliquely) is a longitudinal medial ridge, almost obsolete,
extending to the basal line ; eyes tolerably large, situated at the
base of the head ; the surface is finely and thickly punctate. Thorax
transverse (almost quadrate), constricted at the base; the anterior
angles are depressed, the sides marginate; at the base is a broad
and distinct transverse depression ; the surface is very finely flavo-
pubescent (when examined under a high power), and finely punctate.
Scutellum triangular, piceous. Elytra broad, robust, deeply punctate-
striate; from the antemedial suture a distinct depression extends
obliquely upwards towards the shoulders ; the surface is of a dark
ferrugineous colour, suffused (near the scutellum, and irregularly
throughout) with piceous. Antennae, rufo-testaceous, the sixth, seventh
and eighth joints being piceous. Legs', the anterior flavous, the
postical rufous, the femora being suffused with piceous.

This species (closely allied to H. nana in form and size) is sepa-
rated from it not only by its distinct colouring, but by the form of
its thorax, which is less transverse (almost quadrate) ; there is also
an entire absence of any transverse depression near its anterior mar-
gin, which is so apparent in that species.

Rio Janeiro. In the cabinet of the Rev. H. Clark.

13. Hypolampsis ferrugineo-notata.

H. oblongo -ovata, subcylindrica, impubescens, rufo-flava ; capite
inter oculos striato, punctato ; thorace quadrato, ad basin con-
stricto, ad basin distincte (et ad apicem tenue) transverse notato ;
elytris punctato-striatis, ad basin triangulari macula rufo-fer-
ruginea notatis ; antennis et pedibus rufo-flavis.

Long. corp. 11 lin., lat. f lin.

Oblong-ovate, stibcylindrical, impubescent, rufo-flavous. Head
short, transverse, not produced in front ; above the base of the an-

HYPOLAMPSIS. 243

tennse is a faint obsolete oblique ridge in the form of the letter V ;
the eyes are large, situated at the base of the head ; the surface is
thickly and finely punctate. Thorax quadrate, somewhat constricted
at the base; the anterior angles are subacute and depressed, the
sides marginate : at the base (when viewed laterally) is a broad and
shallow transverse depression ; a parallel depression (narrower and
more distinctly defined) may be traced near to the anterior margin :
the surface is finely and thickly punctate. Scutellum small, trian-
gular. Elytra broader than the thorax, subparallel, punctate-striate ;
at the base, reaching from shoulder to shoulder, is a well-defined
triangular marking of rufo-ferrugineous. Antennae rufo-flavous.
Legs rufo-flavous.

Brazil. In the cabinet of M. Deyrolle.

14. Hypolampsis parallela.

H. oblong o-ovata, subparallela, elongata, sparsim subpubescens,
nigro-picea ; capite brevi ; thorace elongato, angulis anticis ob-
lique truncatis, ad basin transverse depresso, punctato ; elytris
elongatulis, punctato-striatis, ad apicem et latera sparsim Jlavo-
pubescentibus ; antennis ad apicem subincrassatis, art. \-^flavisy
5— YLflavo-ferrugineis ; pedibus anterior ibus jlavis, posticis piceo
suffusis.

Long. corp. 1^ lin., lat. f lin.

Oblong-ovate, subparallel, somewhat elongated, under a high
power sparingly pubescent ; nigro-pieeous. Head short, transverse,
hardly produced in front; eyes large, extending laterally quite
as far as the anterior angles of the thorax; the surface is finely
granulated. Thorax elongated ; the anterior angles are depressed
and obsoletely truncate ; the sides are marginate ; at the base, and
extending also along the sides, is a slight, obliquely transverse de-
pression ; the surface is finely punctate. Scutellum triangular, ob-
solete. Elytra subparallel, elongate, punctate-striate ; at the sides
and apex are slight traces of flavous pubescence. Antennae slightly
incrassated towards the apex ; the joints one to four flavous, five to
eleven flavo-ferrugineous. Legs : the anterior flavous, the posterior
suffused with piceous.

The elongated thorax and more parallel form of this species di-
stinguish it from other species in the group.

Brazil. In the cabinet of M. Deyrolle.

15. Hypolampsis campestris.

H. ollongo-ovata, robusta, subtiliter pubescens, pallide ferruginea ;
capite brevi, vix producto, punctulato ; thorace transverso, ad

H 2

244 HYPOLAMPSIS.

basin depresso ; elytris robustis, punctato-striatis ; antennis sat
robustis, ad apicem obsolete dilatatis ; pedibus ferrugineis.
Long. corp. lj lin., lat. f lin.

Oblong-ovate, robust, parallel, very finely pubescent, punctate-
striate, of a pale ferrugineous colour. Head short, vertical, hardly
produced in front; immediately above the labrum is a transverse
triangular depression ; between the eyes (which are lateral, and situ-
ated at the base of the head) the surface is equate, unmarked by any
carination or depression, and finely punctate. Thorax transverse, in
front slightly emarginate ; the sides parallel and finely margin ate ;
at the base (when viewed laterally) is a transverse depression ex-
tending obliquely upwards towards the humeral angles ; an obsolete
transverse depression may also be traced immediately behind the
anterior margin ; the surface is finely punctate. Scutellum minute,
triangular, pubescent, situated in the same plane as the elytra.
Elytra robust, broader than the thorax, punctate-striate ; an obso-
lete antemedial depression, extending obliquely upwards towards the
shoulders, gives a slightly gibbous appearance to the scutellary angles.
Antennce robust, slightly thickened towards the apex. Legs, like the
rest of the body, of a pale ferrugineous colour throughout.

H. campestris is well marked by the absence of any depression or
carination between the eyes ; its pale and concolorous surface, with
its sufficiently robust elytra, also distinguish it from its congeners.

Brazil. In the collection of M. Deyrolle.

16. Hypolampsis fallax.

H. oblongo-ovata, subparallela, attenuata, pallide ferruginea ; ca-
pite inter oculos obsolete foveolato, punctulato ; thorace quadrato,
ad basin constricto, ad latera piceo suffuso ; elytris attenuatis,
punctato-striatis, fusco suffusis ; antennis filiformibus, ad apicem
subdilatatis, ferrugineis, art. 7 et 8 fuscis ; pedibus ferrugineis,
femoribus posticis rufo -ferrugineis.

Long. corp. 1^- lin., lat. -| lin.

Oblong-ovate, Bubparallel, attenuated, finely punctate, subpubes-
cent, of a pale ferrugineous colour. Head short, transverse, vertical,
hardly produced in front ; immediately above the base of the an-
tennae is a minute longitudinal fovea ; the eyes are tolerably pro-
minent, and situated laterally and near the base of the head; the
surface between the eyes is finely punctate. Thorax quadrate, di-
stinctly constricted, as well as transversely depressed at the base ;
the sides are finely marginate ; the surface is obsoletely punctate, of
a pale ferrugineous colour, suffused anteriorly, and more distinctly at

HYPOLAMPSiS. 245

the sides, with fuscous. Scutellum triangular, fuscous. Elytra, some-
what broader than the thorax, parallel, elongate, finely punctate-
striate; antemedially, an obsolete oblique depression towards the
shoulders gives a gibbous appearance to the scutellary angles ; the
surface is finely pubescent ; the colour is pale ferrugineous, suffused
throughout with fuscous. Antennas filiform, with a tendency to di-
latation towards the apex, pale ferrugineous, the seventh and eighth
joints being fuscous. Legs pale ferrugineous, the posterior femora
being rufo-ferrugineous.

H.fallax is readily recognized by its quadrate and constricted
thorax and by its attenuated elytra.

Brazil. In the collection of M. Deyrolle.

17. Hypolampsis nigrina.

H. oblongo-ovata, subcylindrica, impubescens, picea ; capite brevi,
granulato ; thorace subquadrato, ad basin leviter constricto, antice
et ad basin transverse depresso, granulato ; elytris subparallelist
punctato-striatis, tenuiter flavo-pubescentibus, piceis, ad basin et
ad later a, rufo suffusis ; antennis piceis, ad basin rufis ; pedibus
rufo-ferrugineis, femoribus posticis fusco suffusis.

Long. corp. 1^ lin., lat. \ lin.

Oblong-ovate, subparallel, subcylindrical, impubescent, piceous.
Head short, slightly produced ; eyes tolerably large and prominent,
situated at the base of the head ; the surface is distinctly granulated.
Thorax transverse (almost quadrate), slightly constricted near to
(not immediately at) the base ; the anterior angles are depressed,
the sides marginate; near to the anterior margin, and also more
distinctly and broadly at the base, is a transverse depression ; the
surface is finely granulated. Scutellum triangular. Elytra sub-
parallel, punctate-striate, clothed (when viewed under a high mag-
nifying power) very sparingly with flavous pubescence ; piceous,
obsoletely suffused near the apex and suture with rufous. Antennas
slightly incrassated towards the apex ; piceous, with the basal joints
rufous. Legs rufo-ferrugineous, the posterior femora being suffused
with fuscous.

Island of St. Paul.

18. Hypolampsis minima.

H. oblongo-ovata, parallelajusco-picea, subpubescens ; thorace qua-
drato, ad basin constricto ; elytris subcylindricis, punctato-
striatis ; antennis longiusculis, ad apicem dilatatis, fusco-flams ;
pedibus flavo - testaceis.

Long. corp. 1 lin., lat. f lin.

246 HYPOLAMPSIS.

Oblong-ovate, parallel, subcylindrical, fusco-piceous, clothed with
a white hoary pubescence. Head short, somewhat depressed ; eyes
large, prominent, situated at the base of the head, and extending
beyond the anterior angles of the thorax ; the surface below the
base of the antennae is rufous ; above thickly punctate, and in colour
fusco-piceous. Thorax quadrate, distinctly constricted at the base ;
the anterior angles are depressed, the sides are marginate; the
surface is transversely subdepressed at the base. Scutellum small,
triangular. Elytra parallel, subcylindrical, broadly and distinctly
punctate -striate ; a slight antemedial depression extends obliquely
upwards from the suture. Antennae, tolerably long, with a tendency
to dilatation near the apex; in colour fusco-flavous. Legs flavo-
testaceous.

From Santarem (district of the Kiver Amazon). In the collection
of Mr. Bates.

19. Hypolampsis atra.

H. oblongo-ovata, subparallela, impubescens, picea; capite brevi,
granulato ; thorace transverse, rectilineari, ad basin leviter trans-
verse depresso, punctato ; elytris subparallel is, ante medium ob-
lique depressis, punctato -striatis ; antennis ad apicem subdila-
tatis, ferrugineis, ad apicem, etiamque art. 1 et 2, fuscis ; pedibus
rufo- ferrugineis, femoribus posticis fuscis.

Long. corp. 11 lin., lat. % lin.

Oblong-ovate, subparallel, impubescent, piceous. Head transverse,
slightly produced ; below the base of the antennae are two obliquely
transverse carinations ; the eyes are situated at the base of the head ;
the surface is distinctly granulated. Thorax transverse, rectangular,
rectilinear ; the anterior angles are depressed and subacute ; the
sides are marginate ; at the base is a slight and obsolete transverse
depression (not broad and well-defined, as in H. nigrina) ; the surface
is finely and thickly punctate. Scutellum triangular, obsolete. Elytra
subparallel, antemedially depressed, and punctate-striate. Antennae
slightly dilated at the apex ; in colour rufo-fermgineous, the apical
joints and also the first and second being fuscous. Legs rufo-ferru-
gineous, the posterior femora being fuscous.

This species diifers from H. nigrina in the form of its thorax, of
which the lateral margins are rectilinear and parallel ; there is also
an entire absence of any transverse depression near the anterior
margin of the thorax.

From the Island of St. Paul. In the coUection of Mr. Water-
house.

HYrOLAMPSIS. 247

20. Hypolampsis fragilis.

H. oUongo-ovata, subcylindrica, attenuata, subtiliterflavo-pubescens,
pallide ferruginea ; capite brevi, transverso, hand producto, ob-
lique inter oculos foveolato ; ihorace subquadrato aut quadrato,
ad basin constricto, ad latera subtiliter piceo marginato ; elytris
subparallelis, aliquando ad medium suffuse nigro-submaculatis,
punctato-striatis ; antennis filiformibus, flavis ; pedibus flavis,
inter dum fusco sujfusis.

Long. corp. 1-J- lin., lat. -| lin.

Oblong-ovate, attenuated, finely flavo-pubescent, deeply punctate-
striate ; of a pale ferrugineous colour, which varies in shade in different
examples. Head short, transverse, vertical, not produced in front ;
immediately above the base of the antennae is an obsolete longi-
tudinal medial and also (above this) two oblique fovese (forming
together the character of the letter Y) ; the longitudinal fovea is
produced obsoletely to the line of the base : the eyes are large, glo-
bose, and lateral, situated at the base of the head; the surface is
finely punctate and flavo-subpubescent. Thorax quadrate, con-
stricted near the base ; the anterior angles (when viewed laterally)
are much depressed and obsolete ; the sides are in outline sinuate
and marginate ; near the base the surface is transversely depressed,
very finely punctate, clothed throughout (but more distinctly at the
sides) with pale flavous pubescence ; the colour is flavous, suffused
medially with fuscous, and narrowly margined on either side with
piceous (in different examples this coloration is subject to variation).
Scutellum minute, subpubescent. Elytra subparallel, deeply and
broadly punctate-striate, clothed throughout with pale flavous pu-
bescence ; in some examples there is a suffused faint circular or
transverse postmedial marking of fuscous. Antennae filiform, flavous.
Legs flavous, occasionally suffused with fuscous.

This species appears to be very variable in shades of colour, though
constant in form : it may be separated from most others of this dif-
ficult genus by the form and colour of its thorax, which is always
distinctly constricted at the base, and also always more or less
margined at the sides with fuscous : in some examples the elytra
are almost concolorous, in others there is a rudimentary suffused
circular spot placed postmedially, while in others, again, this spot
is enlarged into a broader, but still obsolete and suffused band. I
am indebted to the cabinet of my friend Mr. Fry for a definition of
the species, which seems to be satisfactory; his collection contains
a fine series of the insect, in its different gradations of colour,
taken by himself on the outskirts of forests near Rio Janeiro. The

248 HYYPOLAMPSIS.

species frequents some small shrub in considerable numbers ; one or
two individuals may occasionally be seen on almost every leaf ; they
are most difficult to secure, as they are very readily alarmed, and
active.

Brazil ; Bio Janeiro. In the cabinets of M. Deyrolle, Mr. Fry,
and the Kev. H. Clark.

21. Hypolampsis Lacordairii.

H. oblongo-ovata, subparallela, subpubescens, punctato-striata, pal-
lide ferruginea ; capite brevi, transverse, haud producto, punc-
tato ; thorace quadrato, ad basin constrieto, punctato,flavo, ad
medium et latera rufo-ferrugineo ; elytris latis, subdepressis,
flavo-pubescentibus ; antennis Jtliformibus^ flavis ; pedibus
flams.
Long. corp. 1J lin., lat. f Hn.

Oblong-ovate, subparallel, finely pubescent, punctate-striate, of a
pale ferrugineous colour. Head short, transverse, vertical, not pro-
duced in front ; immediately above the eyes is an obsolete longitu-
• dinal fovea, connected at its upper extremity with two others
which are oblique, forming together the character of the letter Y ;
the surface is punctate; the eyes are large and prominent, situ-
ated at the base of the head, and extending laterally as far as the
anterior angles of the thorax. Thorax quadrate, constricted at the
base ; the anterior angles are depressed, and broader than in H.
fragilis ; when viewed obliquely, an obsolete transverse depression
(more distinct than in H. fragilis} is apparent, extending along the
basal line : the surface is finely flavo-pubescent, punctate ; in colour
flavous ; medially (in a longitudinal direction) rufo -ferrugineous ;
the margins also are suffused with fuscous. Scutellum minute.
Elytra broad, subdepressed, subparallel, punctate-striate, the striae
being more shallow and the punctures deeper than in H. fragilis ;
finely flavo-pubescent, more regularly so than in H. fragilis ; the
surface is also covered with frequent long fine hairs (which are
absent in the last species). Antennce filiform and flavous. Legs
flavous, the posterior femora and tarsi being suffused with rufous.

This species is closely allied to H. fragilis ; it may, however, be
distinguished by the broader anterior angle of its thorax, by its
broader and more regularly pubescent elytra, and by the character
of the striation.

Taken at Santarem and Villa Nova, in the Amazon district, by
Mr. Bates.

HYPOLAMPSIS. 249

22. Hypolampsis costulata.

H. oblongo-ovjata, parallela, robusta, subcylindrica}punctato-striata,
subpubescens, nigro-ferruginea ; capite brevi, punctato ; thorace
quadrato, ad latera marginato, ad basin transverse et oblique de-
presso, granulato ; elytris sat latis, parallelis, punctato-striatis ;
antennis robustis, ad apicem subincrassatis, art. 1-5 ferrugineis,
6-11 fuscis ; pedibus anterioribus flams, tibiis tarsisque fusco
suffusis, posticis rufo- fuscis, tibiis tarsisque pallide rujis.

Long. corp. 1^ lin., lat. \ lin.

Oblong-ovate, parallel, robust, subeylindrical, deeply punctate-
striate, sparingly pubescent, of a dark ferrugineous colour through-
out. Head short, transverse, slightly elongated in front ; below the
base of the antennae is a plane triangular depression ; immediately
above the base is an obscure longitudinal line ; the eyes are some-
what small, situated at the base of the head, not extending so far as
the anterior angles of the thorax ; the surface is punctate through-
out, and sparingly clothed (more distinctly between the eyes) with
ashy-grey pubescence. Thorax quadrate, rectangular ; the anterior
angles depressed ; the sides are marginate ; at the base is a shallow
transverse depression, which extends obliquely upwards along the
sides to the humeral angles, and which gives a prominence to the
anterior medial portion of the disk ; when viewed from in front, a
longitudinal medial fovea is apparent, which is not extended to the
base ; the surface is very finely and sparingly pubescent, and granu-
lated. Scutellum small, triangular, impunctate. Elytra broader
than the thorax, parallel, robust, rounded at the apex, deeply punc-
tate-striate throughout ; an antemedial transverse shallow depres-
sion (when viewed laterally) gives an appearance of prominence to
the anterior angles ; the surface is very sparingly clothed through-
out with fine pubescence of an ashy-grey colour. Antennae robust,
slightly incrassated towards the apex, joints first to fifth being fer-
rugineous, and sixth to eleventh fuscous. Legs : the anterior flavous,
the tibiae and tarsi being suffused with fuscous ; the posterior femora
are darkly rufo-fuscous, the tibiae and tarsi being pale rufous.

Nova Granada, Bogota. From the collection of M. Chevrolat.

23. Hypolampsis meridionalis.

H. oUongo-ovata,subcylindrica, tenue subpubescens, piceo-ferruginea;
capite inter oculos N-foveolato ; thorace transverso, ad basin sub-
constricto, ad apicem etiamque ad basin transverse depresso, flavo-
subpubescenti ; elytris punctato-striatis, ad medium transverse
depressis, tenue pubescentibus, piceo- ferrugineis, ad apicem et ad

250 HYPOLAMPSIS.

latera flavis et transverse ferrugineo-notatis ; antennis testaceis ;
pedibus flavis.

Long. corp. 1| lin., lat. f lin.

Oblong-ovate, subcylindrical, very finely pubescent, piceo-ferru-
gineous. Head short, transverse, slightly depressed ; above the base
of the antennae and between the eyes is an obsolete V-shaped fovea ;
the surface is finely granulated and rufo-ferrugineous. Thorax trans-
verse, slightly constricted towards the base ; the anterior angles are
subtruncate and depressed ; the sides are marginate ; near the anterior
margin is a distinct transverse depression, and at the base is another,
broader and somewhat deep depression ; the surface (when viewed
under a high power) is clothed throughout with fine rufo-flavous
pubescence. Scutellum small, fuscous. Elytra subparallel, ante-
medially transversely depressed ; punctate-striate, the punctures
being almost concealed by fine pubescence; in colour piceo-ferru-
gineous, with the apex, and also irregular longitudinal and transverse
markings flavous. Antenna? fine, slightly incrassated towards the
apex; the joints first and second are flavo-ferrugineous, third to
sixth flavous, seventh and eighth flavo-piceous, ninth to eleventh
flavo- testaceous. Legs: the anterior flavous; the posterior rufo-
flavous, the femora being suffused with piceous.

Brazil. In the cabinet of M. Deyrolle.

24. Hypolampsis sqnamata.

H. oblonga, ovata, subparallela, fortiter punctato-striata, subpubes-
cens, flavo -ferruginea ; capite brevi, punctato, ad medium rufo-

fusco ; thorace quadrato, ad basin constricto et transverse depresso ;
elytris subparallelis, punctato-striatis, ante medium transverse
depressis,flavo-pubescentil)us,ferruyineis; antennis subincrassatis,

flavis, art. 7 et Sfuscis; pedibus flavis.

Long. corp. 1 J lin., lat. f lin.

Oblong, ovate, subparallel, deeply and coarsely punctate-striate,
subpubescent, flavo-ferrugineous. Head short, hardly produced in
front, vertical ; the eyes are globose and lateral, situated at the base
of the head ; the surface below and also above the base of the antennae
is deeply and coarsely punctate, unmarked however (as in some other
species) by any tubercular elevations or depressions ; clothed with ob-
solete pubescence, more apparently at the inner margin of the eyes ;
in colour rufo-ferrugineous, suffused medially with rufo-fuscous.
Thorax quadrate, distinctly constricted at the base ; the anterior
angles are much depressed and obsolete ; the sides are finely mar-

HYPOLAHPSIS. 251

ginate, at the base transversely depressed ; the" surface is obsoletely
flavo -pubescent throughout. Scutellum triangular. Elytra sub-
parallel, deeply and coarsely punctate-striate ; a transverse ante-
medial depression extends obliquely upwards to the shoulders ; the
surface is finely flavo-pubescent, in colour ferrugineous near the
apex, and sides flavous. Antennce fine, subincrassated near the apex,
flavous, the seventh and eighth joints being fuscous. Legs flavous
throughout.

This species may be distinguished from all others by the basal
constriction of its thorax, together with the absence of carinations
and depressions on the surface of the head. From H. incequalis it
may be separated by its concolorous thorax and elytra.

Brazil. In the collection of Mr. Miers.

25. Hypolampsis sylvatica.

H. oblongo-ovata, robusta, subcylindrica, brevis, flavo -pubescens,
punctato-striata,flavo-ferruginea; capite inter oculos Y-foveolato;

thorace transverse, ad basin constricto et depresso, punctato ; elytris
punctato -striatis, ante medium transverse depressis ; antennis art.

1 et 2 flaws, reliqui desunt ; pedibus testaceis, femoribus tibiisque
posticis ferrugineo suffusis.

Long. corp. 1 lin., lat. J lin.

Oblong-ovate, robust, subcylindrical, short, finely but distinctly
navo-pubescent throughout, punctate-striate ; in colour flavo-ferru-
gineous. Head short, transverse, hardly produced in front, above the
labrum transversely depressed ; immediately above the base of the
antennae is an obsolete longitudinal fovea, connected at its upper
extremity with a more distinct and obliquely angulated depression,
the two forming together the character of the letter Y ; the surface is
finely punctate and navo-pubescent ; the eyes are tolerably globose,
and situated at the base of the head. Thorax transverse, constricted
at the base ; the anterior angles are depressed ; near the anterior
margin, as well as more distinctly at the base, the surface is trans-
versely depressed, finely punctate, and pubescent. Scutellum small,
pubescent. Elytra subcylindrical, punctate-striate, pubescent; a
transverse antemedial depression gives a prominence to the surface
near the scuteUum. Antennce (robust ? and filiform ?) : the two basal
joints are in colour flavous ; the rest are unfortunately wanting. Legs
pale testaceous, the posterior femora and tibiaa being suffused with
ferrugineous.

Brazil. In the collection of the Kev. H. Clark.

252 HYPOLAMPSIS.

26. Hypolampsis regia.

H. oblonga, ovata, robusta, subtiliter pubescens, punctato-striata,
rufo-ferruginea ; capite depresso, punctato ; ihorace quadrato,
ad basin valde constricto et punctato, flavo-pubescenti, rufo-ferru-
gineo, lateribus et linea media longitudinali piceis ; elytris sub-
cylindricis, ante medium depressis, punctato-striatis, rufo-ferru-
gineis, marginibus rufo-piceis, et ad apicem pubescentibus ; an-
tennis filiformibus, flavis; pedibus flavis, femoribus tibiisque
posticis rufo-flavis.

Long. corp. 1J lin., lat. -J lin.

Oblong, ovate, robust, finely pubescent, punctate-striate, of a rufo-
ferrugineous colour. Head short, transverse, almost vertical, not
produced in front ; the eyes are large, lateral, and situated at the
base of the head ; the surface between the eyes is finely punctate.
Thorax quadrate, very considerably constricted at the base; the
anterior angles are depressed and subprominent ; the sides are in form
subsinuate and marginate ; the surface near the base is transversely
subdepressed, finely punctate, and sparingly clothed with flavous pu-
bescence ; the colour is rufo-ferrugineous, the sides (especially near
the anterior angles) and a medial longitudinal line being piceous.
Scutellum triangular, piceous. Elytra subcylindrical, antemedially
transversely depressed, punctate- striate ; in colour rufo-ferrugineous,
the margins alone being suffused with piceous, and the apex being
more distinctly pubescent. Antenna filiform and flavous. Legs flavous,
the posterior femora and tibiae being rufo-flavous.

H. regia may be distinguished from its congeners by the absence
of any carination or depression of the surface between the eyes, by
its very decided constriction at the base of the thorax, and by the
colour of its elytra.

From the neighbourhood of Ega, in the district of the River
Amazon. Taken by Mr. Bates.

27. Hypolampsis flavo-notata.

H. ovata, subparallela, sat robusta, tenuiter subpubescens, flavo-
ferruginea ; capite ad basin antennarum longitudinaliter sub-
foveolato ; ihorace quadrato, ad basin transverse depresso, ad
angulos anteriores fovea obliqua notato, etiamque ad medium
longitudinaliter impresso,flavo-pubescenti; elytris latis, punctato -
striatis, ad apicem et ad latera jflavo -pubescentibus et oblique
fulvo-notatis ; antennis testaceis ; pedibus flavis.

Long. corp. 1-|- lin., lat. f lin.

Ovate, subparallel, tolerably robust ; under a high power of the
microscope very finely pubescent ; in colour flavo«-ferrugineous. Head

HTPOLAMPSIS. 253

short, transverse ; above the base of the antennae is an obsolete and
short longitudinal fovea; the surface is finely pubescent. Thorax
quadrate, rectilinear; the anterior angles are depressed, the sides
marginate ; at the base is a distinct and broad transverse channel ;
near the anterior angles are two slight oblique depressions, while a
very faint longitudinal impression extends medially from the apex to
the base ; the surface is finely flavo-pubescent. Scutellum triangular,
ferrugineous. Elytra broad, tolerably robust, punctate-striate, the
striae being subsinuate ; a medial transverse depression gives an ap-
pearance of prominence to the base ; the surface at the apex and
near the margins is navo-pubescent, and in colour nigro -ferrugineous,
the margins and the apex being irregularly flavous, and marked in
an obliquely transverse direction by short subsinuate bands of darker
flavous. Antennce filiform, in colour testaceous, the two basal joints
being ferrugineous. Legs flavous throughout.

From the Island of St. Catherine, Brazil. In the collection of
M. Deyrolle.

28. Hypolampsis vicina.

H. oblong o-ovata, subcylindrica, subparallela, subtiliter pubescens,
flavo-fusca; capite brevi, depresso, inter oculos oblique foveolato,
granulato ; ihorace transverso, basin versus subconstricto ; elytris
sat latis, punctato-striatis ; antennis ad apicem subincrassatis,
flams, art. 6-8 fuscls ; pedibus flams, femoribus posticis fuscis,
tibiisque rufls.

Long. corp. 1-J- lin., lat. -| lin.

Oblong-ovate, subcylindrical, subparallel, very finely pubescent, of
a flavo-fuscous colour. Head short, depressed almost at right angles
to the thorax, not produced in front ; at the base of the antennae are
two minute oblique depressions extending to the upper and inner
margins of the eyes, forming together the character of the letter V ;
the surface is finely granulated and subpubescent, more distinctly so
at the base. Thorax transverse (almost quadrate), slightly constricted
towards the base; the sides are submarginate, more broadly near
the anterior angles; at the basal angles is a minute depression.
Scutellum triangular, fuscous. Elytra distinctly broader than the
thorax, tolerably robust, deeply punctate-striate, and when viewed
under a high power covered with a short flavous or ashy-grey pubes-
cence. Antennce filiform, slightly incrassated at the apex ; the joints
one to five flavous, six to eight fuscous, nine to eleven flavo-testaceous,
the apical joint being suffused with fuscous. Legs tolerably robust ;
the anterior flavous throughout ; the posterior femora darkly fuscous,
and the tibiae rufous.

Columbia. In the collection of M. Chevrolat.

254 HYPOLAMPSIS.

29. Hypolampsis Fryella.

H. oblonga, ovata, flavo-pubescens, punctato-striata, pallide rufo-
flava ; capite brevi, inter oculos Y-foveolato, punctate, rufo-
ferrugineo ; ihorace subquadrato, ad basin subtiliter constricto
et transverse depresso, punctato, flavo-pubescenti, rufo-flavo ;
elytris subcylindricis, punctato-striatis, ante medium depresses,
irregulariter Jlavo-pubescentibus ; antennis subdilatatis, pallide
flavis, art. 7 et 8 ferrugineis ; pedibus pallide flavis.

Long. corp. 1| lin., lat. % lin.

Oblong, ovate, flavo -pubescent, punctate-striate, of a pale rufo-
flavous colour. Head short, transverse, hardly produced in front ;
above the labrum is a transverse plane depression ; immediately above
the base of the antennae is a small longitudinal medial fovea, which
bisects at its upper extremity another transverse fovea, this latter
extending obliquely to the upper and inner margin of the eyes ; the
eyes are in form globose, situated at the base of the head ; the surface
is finely punctate, and in colour rufo-ferrugineous. Thorax trans-
verse (almost quadrate) ; the anterior margin slightly rounded ; at
the base the sides are subconstricted ; near the basal line (and also
less broadly near the anterior margin) the surface is transversely de-
pressed ; finely punctate, flavo -pubescent, and rufo-flavous, the sides
being narrowly piceous. Scutellum triangular, impunctate, rufo-
ferrugineous. Elytra subcylindrical, punctate-striate, antemedially
depressed, clothed irregularly with thick pale flavous pubescence ; this
pubescence gives a pale flavous colour to the apex, to the margination,
and also to an irregularly-formed medial oblique band, which extends
from the margination to the fifth or sixth striae ; the antemedial de-
pression also is similarly flavo-pubescent. Antennce filiform, with a
tendency to dilatation ; in colour pale flavous, the seventh and eighth
joints being ferrugineous. Legs pale flavous, the inflation above the
apical claw being rufous.

The form of the thorax will identify this species from among most
of its congeners ; it is slightly constricted at the base, and transversely
depressed at the anterior as well as the posterior margins ; it may be
distinguished still further by its pale flavous colour and the markings
on the elytra.

Petropolis, Organ Mountains ; Kio Janeiro. Taken by Mr. Fry,
and in that gentleman's cabinet.

30. Hypolampsis fusca.

H. oblongo- ovata, parallela, subcylindrica, subpubescens, nigro-
fusca ; capite inter oculos foveolato ; thorace elongato, ad basin

HYPOLAMPSIS. 255

constricto et depresso ; elytris punctato-strlatis, transverse sub-
depressis ; antennis robustis, subincrassatis, art. 1— 4 /?«fis, 5—11
fuscis; pedibus anterior ibusflavis,femoribusposticis nigro-fuscis,
tibiisque rufis.

Long. corp. 11 lin., lat. | lin.

Oblong-ovate, parallel, subcylindrical, sparingly testaceo-pubes-
cent, nigro-fuseous. Head short, very slightly produced ; between
the labrum and the base of the antennae are two obliquely transverse
carinations ; immediately above the base and between the eyes is a
slight but well-defined fovea in the form of the letter Y ; the eyes
are large, prominent, extending laterally as far as the anterior angles
of the thorax; the surface is finely punctate. Thorax elongate,
rectangular; the anterior angles are much depressed; the sides
marginate, and constricted at the base ; a broad transverse depression
extends postmedially along the line of the base, which gives a distinct
appearance of prominence to the antemedial surface ; a faint longi-
tudinal depression (apparent when viewed from behind) extends
medially from the anterior margin nearly to the base. Scutellum
triangular. Elytra subparallel, subcylindrical, punctate-striate, ante-
medially transversely subdepressed. Antennce tolerably long, robust,
subincrassated towards the apex ; the joints one to four flavous, five
to eleven (which are gradually dilated) fuscous. Legs : the anterior
flavous ; the posterior femora nigro-fuscous, and tibiae rufous ; the
dilatation of the apical claw brightly rufo-piceous.

This species at first appearance closely resembles H. minima ; both
species are of nearly the same size, form, colour, and pubescence ; H.
fusca however is, on examination, obviously distinct ; the Y-shaped
fovea between the eyes, its elongated thorax, and the coloration of
the posterior legs (as well as the difference in their relative length ;
the femora in H. minuta being short ; in H. fusca more elongated,
and extending nearly as far as the apex of the elytra) sufficiently
distinguish it.

Petropolis (Organ Mountains) ; Rio Janeiro. In the collection of
Mr. Fry.

31. Hypolampsis anceps.

H. oblongo-ovata, subparallela, depressa, punctato-striata, impu-
bescens, rufo-ferruginea, nitida; capite brevi, impunctato ; tho-
race transverso, late marginato, ad basin foveolato, subtiliter
punctato; elytris subparallelis, punctato-striatis, ad suturam
rufo-notatis ; antennis robustis, filiformibus, fuscis} ad basin
rufis ; pedibus rufo-ferrugineis.

Long. corp. 1^ lin., lat. | lin.

256 HYPOLAMPSIS.

Oblong-ovate, subparallel, somewliat depressed, punctate-striate,
impubescent, shining, darkly rufo-ferrugineous. Head short, not
produced in front ; the eyes are large, in form globose, and somewhat
prominent, situated at a little distance from the base of the head :
the surface between the eyes (immediately adjoining the base of the
antenna?) is slightly porrected in front, and coarsely and unevenly
granulated ; the rest of the surface is glabrous, with a few very mi-
nute spots grouped together medially. Thorax broader than the
head, transverse, in front slightly emarginate ; the anterior angles
are depressed and subacute ; the sides are broadly marginate, and in
outline slightly rounded ; at the base (when viewed laterally) is a
transverse thread-like distinct fovea, extending parallel to, and
closely adjoining the basal line; the surface (when viewed under a
high power) is sparingly and very minutely punctate. Scutellum
triangular, impunctate. Elytra broader than the thorax, subparallel,
rounded at the apex, punctate-striate throughout (the punctures
being most readily apparent near the ' margination, and becoming
obsolete as they approach the apex) ; a faint transverse antemedial
depression gives a slight appearance of prominence to the scutellary
angles ; the surface is of a rich dark rufo-ferrugineous colour, with
suffused markings of rufous ; a broad postmedial transverse band is
well denned at its anterior margin (which is subcircular in form),
but has no clearly-marked boundary towards the apex ; medially,
two circular spots (between the first and second strise) closely adjoin
(but are separated one from another by) the suture; while near
the scutellum, the surface is, on either side of the suture, longi-
tudinally marked with the same rufous colour. Antennae robust,
filiform ; the first joint (as compared with that of adjoining species)
is relatively much elongated; the three basal joints are in colour
rufous, the rest are fuscous. Legs sufficiently elongated, rufo-ferru-
gineous throughout.

Brazil (St. Paul's). In the collection of M. Chevrolat.

Subdivision B. Elytra robustiora, interdum subglobosa, brevia ; late-
ribus plus minus rotundatis, haud parallelis.

32. Hypolampsis robusta.

H. ovata, lata, robusta, pubescens, pallide rufo-ferruginea ; tliorace
quadrato, rectilineari, ad basin transverse depresso, linea longi-
tudinali media, suffusa, picea ; elytris latis, amplis, punctato-
striatis, transverse subdepressis ; antennis filiformibus, rufo-
flavis, ad apicem piceis ; pedibus robustis, rufo-flavis.

Long. corp. 1-^ lin., lat. f lin.

HYPOLAMPSIS. 257

Ovate, broad, robust, of a rufo-ferrugineous colour, finely pubes-
cent. Head short, depressed, slightly elongated in front ; the eyes
are subprominent, extending nearly as far as the anterior angles of
the thorax ; the surface is finely punctate, above the insertion of the
antennae very sparingly clothed with pubescence, ferrugineo-rufous.
Thorax quadrate, rectilinear, rectangular; the anterior angles are
depressed; the sides are marginate; the surface at the base is
broadly and transversely subdepressed ; subpubescent, and in colour
rufo-ferrugineous, a longitudinal medial line being piceous, and the
margination fuscous. Scutellum small, triangular. Elytra broad,
robust, punctate-striate, broadly subdepressed from the antemedial
suture towards the shoulders; finely pubescent throughout. An-
tennce long, filiform (with a slight tendency to incrassation towards
the apex), rufo-flavous, the apical joints being piceous. Legs robust,
rufo-flavous ; the anterior pair suffused at the base of the femora
with piceous.

The pale colour and distinct pubescence of this species sufficiently
separate it from the other species of the subsection.
Bahia. In the collection of the Rev. H. Clark.

33, Hypolampsis sestivalis.

H. ovata, robusta, impubescens, punctata, nigra ; capite brevi, sub-
punctato ; thorace transverse, rectangulari,flavo-pubescenti ; ely-
tris robustis, punctato-striatis, ante medium transverse depressis ;
antennis (? filiformibus) art. 1 et 2 flavis (ceteri desunt) ; pedi-
bus flavis, femoribus posticis piceis.

Long. corp. 11 lin., lat. | lin.

Ovate, robust, impubescent, punctate, black. Head short, not
produced in front ; below the base of the antennae is a transverse
depression ; the eyes are large, and in form globose, situated at the
base of the head ; the surface between the eyes is equate, and un-
marked by any carination or depression ; punctate. Thorax broader
than the head, transverse, rectangular, rectilinear; the anterior
angles are much depressed; the surface is equate, finely flavo-
pubescent, obsoletely punctate, and of a dull black colour. Scutellum
triangular, flavo-pubescent. Elytra much broader than the thorax,
robust, subcylindrical, punctate-striate, the striae being almost ob-
solete and the punctures distinct and deep ; an antemedial transverse
depression gives a prominence to the base ; the surface is glabrous
and black, tinged with rufous. Antenna: the first two joints are
flavous, the basal being suffused with ferrugineotis (the rest are

258 HYPOLAMPSIS.

wanting). Legs flavous, the posterior femora being piceous, and the
globular inflation of the postical claw rufo-flavous.

This species may be at once separated from H. porculus, to which
it is nearly allied, by the absence of striaB as well as of pubescence on
the elytra.

Brazil. In the collection of M. Deyrolle.

34. Hypolampsis pilosa.

El. (auct. Mus. D. Chev.*).
Ill Mag. v. p. 105.

H. oblongo-ovata, robusta, lata, subcylindrica, pubescens, fusco-
flava ; capite brevi, granulate, flavo-ferrugineo ; tkorace trans-
verso, antice subattenuato, cequato,flavo-pubescenti,fusco; elytris
latis, globosis, punctato-striatis, flavo-pubescentibus ; antennis
subincrassatis, flams ; pedibus flams.

Long. corp. 1 lin., lat. |- lin.

Oblong-ovate, very robust, subcylindrical, punctate-striate, clothed
throughout with fusco-flavous pubescence. Head short, transverse,
slightly produced in front, above the labrum transversely depressed ;
the upper surface between the eyes is apparently without fovea or
depression; the surface is granulated, and in colour flavo-ferragi-
neous. Thorax transverse, subcylindrical ; the sides much de-
pressed, and in front subattenuated ; the surface is equate and flavo-
pubescent, the colour fuscous. Scutellum minute. Elytra very much
broader than the thorax, globose, evenly punctate-striate ; the striaB
are distinct, but the punctures are entirely concealed by a thick
flavous pubescence; the surface is equate and fuscous. Antennae
subincrassated towards the apex, flavous. Legs flavous throughout.

This species may be separated from its congeners by its broad and
subglobular elytra, by the absence of any antemedial depression, and
by its comparatively small and equate thorax.

Pennsylvania (N. America). Prom the collection o£ M. Chevrolat.

35. Hypolampsis porculus. •

H. ovata, lata, robusta, impubescens, nigro-picea; thorace trans-
verso, ad basin et ad latera depresso, ad latera flavo-pubescenti,
granulato ; elytris latis, subglobosis, punctato-striatis, ante me-
dium transverse subdepressis ; antennis ad basin rufo-flavis (art.
3—11 desuni) ; pedibus anterioribus Jlavis, posticis femoribus pi-
ceis, tibiis subarcuatis, rufo-flavis.

Long. corp. 1 lin., lat. f lin.

Ovate, broad, robust, impubescent, black. Head short, transverse,

HYPOLAMPSIS. .'259

not produced ; the eyes arc tolerably large, and situated at the base
of the head; the surface -is granulated. Thorax transverse; the
anterior angles depressed and obsoletely subacute ; the sides mar-
ginate ; near the anterior margin are two faint and obsolete pro-
minences, which are caused by a broad subdepression at the base,
and also more apparently at the sides ; the surface is clothed at the
sides very sparingly with flavous pubescence, and coarsely granu-
lated. Scutellum triangular, impunctate. Elytra much broader than
the thorax, subglobose, deeply and coarsely punctate-striate, ante-
medially transversely subdepressed. Antennce : the basal joint rufo-
flavous (the rest are wanting). Legs: the anterior flavous; the
posterior femora piceous, the tibiae slightly arcuate near their base ;
short, rufo-flavous, the globular inflation of the posterior claw being
bright rufous.

Brazil.

36. Hypolampsis gibba.

H. ovalis, robusta, subpubescens, picect ; eapite brevi, subtiliter
purictato, piceo ; thorace transverse, oblique depresso ; elytris
latis, robustis, punctato-striatis, ad apicem et later a irregulariter
rufo-pubescentibus ; antennis brevibus, ad apicem subdilatatis,
rufo-piceis, art. basalibus Jlavis ; pedibus Jlavis f tibiis anteriori-
bus femoribusque posticis piceo suffv^is.

Long. corp. 1|- lin., lat. j lin.

Oval, robust, finely pubescent, pieeous. Head -not produced in
front, transverse ; the eyes are large, lateral, and in form oval,
situated near the base of the head ; from the insertion of the an-
tennas to the basal line extends a medial longitudinal carination;
the surface is finely punctate, and in colour piceous. Thorax trans-
verse, rather broader than the head ; the anterior angles depressed
and subacute ; the sides broadly marginate ; the anterior angles are
much depressed ; from the basal line a broad depression extends
obliquely upwards towards the humeral angles ; the surface is finely
punctate. Scutellum triangular, situated below the plane of the
elytra. Elytra broad, robust, punctate-striate, clothed irregularly
near the apex and also at the sides, with rufo-flavous pubescence ;
this pubescence forms an obscure oblique band, which is more di-
stinct near the margination ; an antemedial transverse depression
extends obliquely upwards towards the shoulders. Antenna short,
subdilated towards the apex, in colour rufo-piceous, the basal joints
being flavous. Legs flavous, the anterior tibiae and the postical femora
being suffused with piceous.

This species is in general form nearly allied to H.porculus; it

260 IMATIUM.

may, however, at once be separated from it by its more transverse
thorax and the less deep punctuation on the elytra ; from H. cesti-
valis it may be separated by its striation as well as by its pubescence.
Taken by the late Mr. Squire in the neighbourhood of Bio Janeiro.
In the collection of Mr. Baly.

37. Hypolampsis suborbicularis.

H. ovata, robusta, punctata, subpubescens, flavo-ferruginea ; capite
brevi, transverso, subtiliter granulato, impubescenti ; thorace trans-
verso, flavo-pubescenti, punctato ; elytris latis, robustis, brevibus,
ante medium transverse depressis, punctato-striatis ; antennis
subincrassatis, flams, art. 5-8 fuscis ; pedibus flams, femoribus
posticis rufo-flavis.

Long. corp. 1 lin., lat. f lin.

Ovate, robust, punctate, finely pubescent, flavo-ferrugineous.
Head short, transverse, not produced in front ; the eyes are in form
oval, situated at the base of the head, lateral ; immediately above
the base of the antennae is a small medial longitudinal fovea ; the
surface is finely granulated and impubescent. Thorax transverse,
slightly broader than the head; the anterior angles are depressed
and almost obsolete ; the sides subsinuate and finely flavo- pubescent ;
punctate. Scutellum minute, triangular. .Elytra much broader and
more robust than the thorax, short, antemedially transversely de-
pressed ; rows of punctures arranged in the form of striae are di-
stinctly apparent at the base and medially, but become obsolete near
the apex. Antennae short, subincrassated, the third joint being
attenuate, the sixth to the ninth subincrassated (the rest are
wanting) ; in colour flavous, the joints fifth to eighth being fuscous.
Legs flavous, the anterior tarsi being suffused with fuscous, and the
posterior femora rufo-flavous.

Brazil. In the collection of M. Deyrolle.

Genus 39. IMATIUM*.

PALPI MAXILLARES robusti, subincrassati, art. ultimo hand elongate.
PALPI LABIALES attenuati, subcylindrici.

ANTENNJS approximate*}, robustce, incrassatce, art. 5-10 brevibus.
CAPTJT depressum, subverticale hand productum, granulatum,pubescens.
THORAX transversus, antice plus minus emarginatus, depressus, pu-

, vestis.

IMATIUM. 261

ELYTEA rotundata vel subrotundata, late striato-punctata, pube dense
vestita.

PEDES : tibiis anterioribus subincurvatis ; posticis femoribus brevibus
et incrassatissimis ; tibiis pcene rectis, ad apicem extremum bi-
calcaratis.

Labrum transverse, rounded at the margins.

Maxillary palpi (Front, fig. 8 m ; Tab. IX. fig. 6 m) robust ; the
basal joint minute ; the second somewhat broader at the apex and
obliquely truncate ; the third nearly twice the breadth of the second,
in form globular ; the apical joint is minute, not elongated.

Labial palpi (Front, fig. 8 n ; Tab. IX. fig. 6 ri) attenuate, sub-
cylindrical, the penultimate joint being somewhat broader than the
rest.

Antennae approximate, situated between the lower margins of the
eyes, robust, incrassated ; the basal joint is long, thickened near the
apex, and not inflected ; the second is half the length of the first,
much narrower, and in form ovate ; the third and fourth are sub-
equal in length, attenuate, and not broader than the second ; the
remaining joints are broadly dilated and abbreviated ; near the apex
of all the joints are four or five distinct or rigid hairs.

Eyes lateral, situated at the base of the head, in form subovate,
not prominent.

Head depressed, almost vertical to the plane of the elytra, not pro-
duced in front ; above the labrum is a transverse carination ; the
surface is clothed with coarse pubescence, and, below the pubescence,
apparently punctate or granulated.

Thorax transverse, anteriorly emarginate ; the sides are marginate ;
the basal line is produced medially (near the scutellum) into an ob-
tuse angle ; the surface is rounded, equate, and clothed throughout
with coarse pubescence.

Scutellum triangular, situated slightly below the plane of the
elytra, finely punctate, impubescent.

Elytra very broad and globose, rotundate, much broader and more
robust than the thorax ; the surface is unmarked by any antemedial
transverse depression ; punctate -striate ; sometimes the strias are
nearly obsolete, and the punctures broad and shaUow ; the surface is
clothed throughout more or less completely with coarse pubescence.

Legs: the anterior sufficiently long and robust. The anterior
femora are cylindrical, slightly incurved. The tibice are straight,
hardly dilated towards the apex. The tarsi (Front, fig. 8 d) are ab-
breviated, the two basal joints being triangular, and subequal in size
not broader than the apex of the tibi« ; the third joint is almost twice
the breadth of the basal joints, transverse, and subbilobed ; the apical

262 IMATIUM.

claw is bifid, and armed on either side at its base with a short robust
spur. The posterior legs are short. The femora (Front, fig. 8/),
when viewed laterally, are very broadly incrassated, the breadth
being more than half the length. The tibice (Front, fig. 8/) are
short and almost straight ; when seen from behind, a longitudinal
groove from the base to the apex is apparent ; the margination of
the groove is simple and straight ; below the insertion of the tarsus
the extreme apex is produced into two robust incurved claws. The
tarsi (Front, fig. 8 h) are short and attenuate ; the apical claw,
which is minute, being almost entirely concealed by the globular
inflation of the ultimate joint.

This genus is remarkable for its short and globular form and its
covering of thick pubescence ; it may be separated, primd facie, by
these two characters from all other genera in the group. The species
composing it are apparently very rare, and found only in the neigh-
bourhood of Bio de Janeiro.

1. Imatium tomentosum. (TAB. IX. fig. 6.)

I. globosum, rotundatum, Icevigatum, pube flava vestitum, rufo-fer-
rugineum ; capite brevi, pcene verticali ; thorace transverse, ad
latera obsolete marginato, antice subcontracto ; elytrissubsphcericis,
brevibus, striato-punctatis, ad apicem flavo-pubescentibus ; mi-
tennis brevibus, incrassatis, art. 1—4 ferrugineis, 5—11 nigris ;
pedibus rufo-flavis, tarsorum anter. art. 1—3 nigris.

Long. corp. 2*- lin., lat. If lin.

Subspherical, rotundate, broad, ferrugineous, clothed throughout
(but especially at the margins) with a fine silken yellow pubescence.
Head small, very depressed, almost entirely vertical ; labrum dark
ferrugineous : surface below the insertion of the antennae subcom-
planate ; the antennae are approximate ; above the insertion of the
antennas and between the eyes is a medial longitudinal fovea : the
eyes are small, situated at quite the base of the head, not extending
laterally so far as the anterior angles of the thorax ; the surface is
coarsely granulated. Thorax transverse, depressed; the sides are
obsoletely marginate and subcontracted towards the front ; the basal
line is angulated at the scutellum ; the surface is rugose and granu-
lated. Scutellum slightly elongate, subcordiform, impunctate. Elytra
very broad, subspherical, short, with rows of coarse and shallow
punctures arranged in the form of striae, but almost concealed at the
sides and near the apex by flavous pubescence. Antennae much shorter
than the elytra, incrassated, robust ; the first joint long, broadly di-
lated at the apex; the second short, ovate; the third and fourth

IMATIUH. 263

narrower than the first and second, and shorter than the first, slightly
dilated towards their apex ; the fifth to eleventh shorter (the terminal
joints being shorter even than the second), broadly incrassated ; in
colour, the first to fourth ferrugineous, the fifth to eleventh black.
Legs rufo-flavous throughout, the three basal joints of the anterior
tarsi being distinctly black.

/. tomentosum differs from I. rotundatum in its non-concolorous
antennae, the black colour of the three basal joints of the anterior
tarsi, and in the form of the punctures on the elytra, which are
broader and less apparently deep than in the next species.

Brazil.

2. Imatium rotundatum.

I. subsphcericum, valde flavo-pubescens, flavum vel fusco-flavum ;
capite abbreviate, depresso, ad basin antennarum obsolete bitu-
berculato ; thorace valde transverse, depresso ; elytris latis, am-
plissimis, punctato-striatis ; antennis brevibus, incrassatis, art.-
1-Sfulvis, 9-~Llflavis ; pedibus flavis.

Long. corp. 2J lin., lat. 2 lin.

Subspherical, thickly flavo-pubescent throughout, and in colour
fusco-flavous. Head very short, much depressed (almost vertical) ;
the eyes are small, not projecting laterally ; between the eyes is an
obsolete transverse depression; between this transverse depression
and the base of the antennae are two oblong tubercles (the channel
between them forming, together with the transverse fovea, a de-
pression in the form of the letter T) ; the surface of the head is
flavous or fusco-flavous, and less distinctly granulated than in /. to-
mentosum. Thorax transverse (much more transverse than in /. to-
mentosum}, considerably inclined or sloping towards the head ; the
sides are gradually compressed towards the apex and marginate,
especially towards the anterior angles (which are much depressed) ;
a broad and shallow transverse depression extends parallel to the
basal line (most apparent when viewed in front). Scutellum tri-
angular, flavous. Elytra much broader and more robust than the
thorax, subspherical, punctate-striate, the punctures being deep and
the stride almost obsolete, clothed throughout with a thick pilose
flavous pubescence. Antennae short, robust, and incrassated ; the first
joint is long, and broadly dilated at the apex ; the second is short
and ovate ; the third as long as the first, and rather longer than the
fourth and fifth ; the following joints are gradually dilated, especially
the sixth to the eighth (but not so broadly as in /. tomentosum) ; in
colour, first to eighth fulvous, ninth to eleventh flavous, Legs entirely
flavous.

264 IMATIUM.

This species may be recognized (as compared with /. tomentosum)
by its more pale flavous colouring (instead of ferrugineous), by the
form of, and transverse depression at the base of, the thorax, by
the less distinct dilatation of the antennae, by the character of the
punctuation on the elytra, and by the colouring of the antennae and
anterior tarsi.

Brazil.

3. Imatium velutinum. (FRONT, fig. 8.)

I. ovatum, latum, subtiliter flavo-pubescens ; thorace transverse,
ad latera sinuato vel subrotundato, punctato ; elytris robustis,
brevibus, ante medium transverse depressis, punctato-striatis,
ad basin distincte pubescentibus ; antennis brevibus, art. 1—4
jlavis, 5-9 dilatatis nigrisque, 10 et 11 flavo-testaceis ; pedibus
flavis.

Long. corp. 2 lin., lat. 1£ lin.

Ovate, broad, covered with a pale fulvo-flavous pubescence, of a
flavous colour throughout. Head short, depressed, hardly produced ;
above the base of the antennas and between the eyes is an obsoletely
transverse, and another longitudinal depression, crossing each other
at right angles ; the eyes are tolerably large, situated close to the
basal line ; the surface is thickly punctate. Thorax transverse
(almost quadrate), depressed ; the anterior angles are subacute ; the
sides are marginate, and slightly constricted close to the anterior and
posterior angles, and medially rounded ; at the base is a slight trans-
verse depression ; the surface is slightly rotundate, thickly punctate,
and finely pubescent. Scutellum triangular, impunctate, flavous.
Elytra broad, robust, parallel, punctate- striate (the striae being shallow,
and the punctures broad) ; a transverse antemedial depression ex-
tends obliquely and upwards towards the humeral angles, giving an
appearance of prominence to the surface adjoining the scutellum ; the
surface is almost glabrous (except under a high power, when it is seen
to be finely pubescent), more distinctly pubescent at the apex. An-
tennae, robust, somewhat dilated towards the apex ; the joints first to
fourth flavous, fifth to ninth dilated, and in colour black, the tenth
and eleventh flavo-testaceous. Legs tolerably robust ; the terminal
joint of the posterior tarsi strongly bilobed ; the posterior robust and
abbreviated ; the colour is flavous throughout.

I feel some hesitation in placing this species in the same group as
/. tomentosum and /. rotundatum ; it is not quite so rotundate, the
elytra (though broad and robust) are hardly hemispherical, and the
form is not so globular ; inasmuch, however, as there is little, except

SPARNU8. 265

this general divergence of form, to separate it, I have determined to
register it, provisionally at least, as an Imatium.

A. single example of this species was taken by my friend Mr. Gray
and myself near Petropolis, Organ Mountains, in February 1857.

Genus 40. SPARNUS*.

PALPI MAXILLARES breves, dilatati, art. 3tio subrotundato, art. 4'° brevi,
compresso.

PALPI LABIALES minuti, subcylindrici.

ANTENNAS breves, incrassatce.
CAPUT breve, depression, Icevigatum.

THOHAX late transversus, angulis anticis depressis, later ibus antice sub-
cotistrictis.

ELYTRA depressa, lata, suborbtculata, punctata, impubescentia.

PEDES sat robusti, femoribus posticis incrassatissimis, apidbus haud
elytrorum apicem attingentibus.

Labrum short, subcircular, medially obsoletely sinuate.

Maxillary palpi (Tab. IX. fig. 4m) short, dilated at the apex; the
first joint minute, hardly more elongate than the second, and broad ;
the third transverse, the breadth being greater than the length, in
form rotundate ; the terminal joint is short, broad, and compressed.

Labial palpi (Tab. IX. fig. 4n) minute, subcylindrical, robust.

A.ntennce approximate, situated between the lower margins of the
eyes, short, robust, and in form incrassated ; the basal joint is elongate,
subincurved, and dilated towards the apex ; the second is short and
ovate ; the third of the same length as the first, attenuate ; the fourth
rather shorter than the third, and subdilated at the apex ; the
remaining joints are broadly incrassated and short.

Eyes lateral, situated at the base of the head, large, and globose.

Head short, considerably depressed, almost vertical, not produced
in front; below the base of the antennae is a deep triangular de-
pression ; between the eyes is a distinct and acutely depressed T-
shaped fovea ; the surface of the head is levigate.

Thorax broadly transverse ; the anterior angles are much depressed
and slightly rounded; the sides are marginate, diverging slightly one
from another towards the elytra ; the basal line is in form arcuate ;
the surface is equate and subglobose, the sides being broadly and
distinctly depressed. -*

Scutellum triangular, punctate, levigate.

, infrequens.

266 SPARNUS.

Elytra depressed, broad, the length being not much greater than
the breadth ; throughout the surface minute punctures are arranged,
which become obsolete near the apex ; the surface is equate, not
antemedially depressed, and glabrous.

Legs robust. The anterior femora cylindrical, and dilated medially.
The tibiae are straight, incurved at their immediate base. The tarsi
are short, the first joint being triangular, in breadth greater than the
apex of the tibiae ; the second smaller and more transverse ; the third
considerably broader, transversely subeircular, and deeply bilobed ;
the apical claw is minute, bifid, and armed at its inner surface near
the base with a short and robust claw. The posterior femora are
(when seen transversely) very broadly incrassated, ovate, the length
being equal to twice the breadth ; distinctly shorter than in the genus
Cyrton ; the apex not reaching the apex of the elytra. The tibice
are straight, and incurved at their immediate apex ; when seen from
behind, the posterior surface is longitudinally grooved and medially
slightly compressed ; the margination of this longitudinal groove is
simple, not subsinuate; below the insertion of the tarsus, at the
extreme apex, are two robust incurved claws. The tarsi are short
and attenuate, the minute terminal claw being completely concealed
from above by the globular inflation of the apical joint.

This genus may be easily recognized by its subrotundate and de-
pressed form. Its glabrous surface, in which there is an entire
absence of pubescence, separates it at once from Imatium, and its
short posterior femora and tibise amply distinguish it from the genus
Cyrton.

1. Sparnus globosns. (TAB. IX. fig. 4.)

S. ovatus, latus, globosus, subdepressus, fulvus, nitidus ; capite brevi,
transverse et lonyitudinaliter foveolato, impunctato, nigro, oculis
magnis ; thorace lato, transverso, impunctato, nigro ; elytris sub-
globosis, brevibus, depresses, subtiliter striato-punctatis, fidvis ;
antennis brevibus, ad apicem dilatatis, nigris ; pedibus robustis,
nigris.

Long. corp. 2J lin., lat. 1| lin.

Ovate, broad, globose, subdepressed, impubescent, of a fulvous
colour, shining. Head short, depressed (almost vertical), not produced
in front ; between the insertion of the antennae are two minute cari-
nations extending obliquely upwards to the inner surface of the eyes,
rendered more prominent by a mexlial longitudinal fovea between
them, and above them by a transverse fovea (which form together
the character of the letter T); the eyes are large, and in form globose,
lateral, situated at the base of the head ; the surface is impunctate

CYRTOX. 267

and glabrous, in colour black (the base of the antenna), the labrum,
and the maxillary palpi being suffused with rufo -fuscous). Thorax
much broader than the head, transverse, in front emarginate ; the
sides are depressed, slightly constricted in front and marginate ; the
anterior angles are much depressed ; the surface is impunctate, gla-
brous, black. Scutellum triangular, impunctate, and in colour rufo-
fuscous. Elytra broader than the thorax, globose, subdepressed, with
very fine punctures arranged in the form of stria? ; of a fulvous colour.
Antennae robust, short, dilated at the apex, and black. Legs robust,
and black.

Taken by Mr. Bates at Ega, in the district of the Amazon. In the
collections of Messrs. Baly, Bates, and the Rev. H. Clark.

Genus 41. CYETON*.

PALPI MAXILLARES robusti, incrassati, art. penultimo dilatato.
PALPI LABIALES subcylindrici.
ANTENNJE robustce, breves, subdilatatce.
OCTJLI laterdles, magni, ovales.
CAPUT haud antice productum, depressum.
THOKAX late transversm, Icevis, impubescens.

ELYTRA robusta, brevia, subrotundata, depressa, striato-punctata
(punctis ad apicem penitus obsoletis), glabra.

PEDES sat robusti, femoribus tibiisque posticis leviterproductis,femori-
bus apicem elytrorum attingentibus ; tibiis posticis rectis, longi-
tudinaliter marginatis, inarmatis.

Labrum short, subrotundate, not medially subsinuate.

Maxillary palpi (Tab. IX. fig. 5 m) robust, incrassated ; the first
joint minute and quadrate ; the second elongate and apically sub-
dilated ; the third as long as, and twice the breadth of the second,
globose ; the apical joint is broad and much depressed.

Labial palpi (Tab. IX. fig. 5 ri) more attenuate than the maxil-
lary, and subcylindrical, the second and third joints being nearly
equal in length.

Antenna robust, short, with a tendency to dilatation ; approxi-
mate, situated between (not below) the eyes; the basal joint is
shorter relatively than in the preceding genus, Sparnus, but more
elongate than the second joint ; the second is short and ovate ; the
third is attenuate, and of equal length with the first ; the fourth is
hardly longer than the second ; the rest of the joints are robust and
subequal in length.

os, gibbus.

268 CTRTON.

Eyes lateral, situated at the base of the head, large ; in form glo-
bose and oval.

Head transverse, depressed at right angles to the plane of the
elytra, short, hardly produced in front ; between the eyes the sur-
face is generally foveolate ; the surface is smooth, glabrous, and im-
pubescent.

Thorax considerably broader than the head, broadly transverse, in
front slightly emarginate ; the anterior angles are considerably de-
pressed and rounded ; the sides are marginate ; the basal line is
arcuate, that is, almost parallel to the anterior margin ; the surface
is equate, smooth, impunctate, and impubescent.

Scutellum large, triangular, impunctate, situated in the same plane
as the elytra.

Elytra robust, subcircular, distinctly broader than the thorax, short,
and depressed ; throughout the surface are arranged rows of spots in
the form of striae ; these spots are more obsolete as they approach
the apex ; the surface is smooth, equate, and glabrous.

Legs : the anterior femora tolerably robust, constricted towards
the base, cylindrical. The tibice are short, constricted at their im-
mediate base, and slightly thickened towards the apex. The tarsi are
short ; the first and second joints are transverse and triangular (the
second being somewhat more minute than the first) ; the third joint
is broader, and in form subcircular and slightly bilobed ; the apical
claw is bifid, at the base robust, and at its inner surface subsinuate, but
unarmed by any inferior tooth. The posterior femora (when viewed
transversely) are very broadly incrassated, in form ovate, and more
broadly, globose (less constricted) laterally than in the preceding
genera ; the apex extends nearly to the apex of the elytra. The tibice
(Tab. IX. fig. 5g) are robust, with a tendency to being incurved
throughout their whole length ; when viewed from behind, the pos-
terior surface is longitudinally flattened and grooved, especially to-
wards the apex, where it forms itself into a distinct socket for the
insertion of the tarsus ; the margination of this groove is straight,
hardly subsinuate, produced at the upper part of the socket into a
broad angle ; the extreme apex (immediately below the insertion of
the tarsus) is terminated by two robust and incurved spurs. The
tarsus is short and attenuate, the third joint being shorter, and not
broader, than the first and second joints ; the globular inflation of the
terminal joint conceals completely from above the apical claw.

This genus is remarkable for, and may be easily distinguished by,
its broadly ovate and depressed form : its glabrous surface at once
separates it from Imatium ; it is less parallel, broader, and more ovate
than the genus Lithonoma ; while from both (as well as from the

CYRTON. 269

genus Sparnus) it may also be separated by the more elongated form
of the posterior femora and tibiae.

1. Cyrton anisotomoides. (TAB. IX. fig. 5.)

C. rotundatum, depressum, rufo-flavum, impubescens; capite brevi,
impunctato,flavo ; thorace late transverso,punctato ; elytris latis,
subcircularibus, depresses, punctato-striatis ; antennis incrassatis :
pedibus, femoribus posticis subelongatis ; flavis, femoribus posticis
rufo-flavis.

Long. corp. 2 lin., lat. 1^ lin.

Rotundate, almost circular, depressed, rufo-flavous, impubescent,
shining. Head short, not produced in front ; the eyes are large and
prominent ; above the mouth is a transverse triangular depression ;
between the eyes and above the insertion of the antennae is a cruci-
form fovea ; the surface is obsoletely punctate, and in colour flavous.
Thorax transverse, much broader than the head, rectangular ; the
anterior angles are depressed, the sides are marginate ; the surface is
equate, obsoletely punctate, glabrous, and in colour flavous. Scutel-
lum large, triangular, impunctate. Elytra broader than the thorax,
subcircular, depressed, punctate- striate, shining. Antennae short, ro-
bust, incrassated towards the apex (from the fifth to the tenth joints) ;
in colour, the first and second joints are flavous, the rest are black.
Leys : the anterior slender ; the posterior tolerably robust and elon-
gated, the femora reaching as far as the apex of the elytra, and the
tibiae being tolerably long and incurved ; the colour is flavous, the
posterior femora and inflation of the hinder claw being rufo-flavous.

From the district of the River Amazon.

2. Cyrton sanguineum,

C. ovatum, latum, subspTicericum, punctatum, glabrum, sanguineum ;
capite brevi,* inter oculos transverse depresso, et ad medium lon-
gitudinaliter foveolato, impunctato ; thorace lato, antice sub-
emarginato, lateribus marginatis et sinuatis, ad latera longitudi-
naliter depresso; elytris latis, globosis, subtiliter striato-punc-
tatis ; antennis incrassatis, art. &° longo, et quam 5to aut 7mo
fere duplo major, art. I™-&° flavis, 7mo-Wmo fuscis, ll™jlavo;
pedibus anterioribus fulvo-flavis, femoribus posticis dilatatis, ad
apicem in dente biproductis, rufis.

Long. corp. 2 lin., lat. 1| lin.

Ovate, broad, subspherical, punctate, glabrous, of a somewhat
flavo-sanguineous colour throughout. Head small and short, trans-

270 CYRTON.

verse, slightly elongated in front ; below the base of the antennae are
two oblique carinations extending downwards to the margins of the
labmm ; at the sides of the base of the antennae are two broad and
shallow depressions extending to the inner margins of the eyes,
while immediately above the base is a medial longitudinal fovea,
short and abrupt, which terminates in a broad and obliquely mar-
gined depression extending to the upper and inner margin of the
eyes ; thus the character of the letter T or of Y is formed (very
distinct from the cruciform depression of G. anisotomoides} : the eyes
are large and globose, lateral, situated near to the base of the
head ; the surface (when viewed under a high power) is very finely
punctate ; the colour of the apex is flavous. Thorax broad, much
broader than the head, transverse, narrow ; the anterior margin is
distinctly emarginate (more so than in C. anisotomoides) ; the anterior
angles are obtuse and depressed ; the sides are finely and evenly
marginate, their outline being subsinuate, and in front subconstricted ;
parallel to, and at a short distance from the margination is a broad and
distinct longitudinal depression ; the surface throughout is impunc-
tate and glabrous. Scutellum large, triangular, impunctate. Elytra
considerably broader than the thorax, globose, and (when viewed
under a high power) very minutely striate-punctate : in C. anisoto-
moides distinct striae may be traced, and the punctures are consider-
ably broader and deeper. Antennce short, robust, clavate ; the first
joint long, attenuated at the base and incrassated at the apex ; the
second short and globular ; the third longer than the first, attenu-
ated at the base ; the fourth and fifth broad, and almost as short as
the second ; the sixth equal in length to the fourth and fifth united ;
the rest short and dilated, the eleventh or terminal joint being-
attenuated at the apex : in colour, the joints one to six are flavous,
seven to ten dark fuscous, and the eleventh flavous. Legs : the an-
terior flavous, suffused, especially on the upper margin, with rufous :
the posterior femora are broadly dilated ; at the apex, immediately
below the insertion of the tibiae, are two tooth-like spurs ; in colour
rufous.

This species is abundantly distinct from C. anisotomoides, not only
in the distinct colouring (bright rufous (slightly flavous) instead of
testaceous or testaceo-rufous), but in the form of the markings of the
head, in its thoracic longitudinal marginal depression, and in the
total absence of any striation on the elytra.

Taken by Mr. Bates in the neighbourhood of Ega, in the district
of the River Amazon.

LITHOXOMA. 271

Genus 42. LITHONOMA*.

Rosenhauer (Thier. Andal p. 335).
Chevrolat (Orbiyn. Diet Univers. d'Hist. Nat.\
Foudras, Hist. Nat. des Altiqides (1860).

Attard, Annales de la Soc. Entom. de Irance, serie 3. vol. viii. (1860)
p. 44.

LABKUM subsinuatum.

PALPI MAXILLARES elongati et robitsti, art. 3''° dilatato.

PALPI LABIALES attenuati, minuti.

A'NT'ENNM robustce, filiformes, art. 3tio tenui.

CAPUT latum, subproductum, subverticale.

THORAX transversus, antice emarginatus, crebre et valde punctatus.

ELYTRA lata, robusta, subparallela, aliquando obsolete carinata, crebre
et valde punctata.

PEDES : tibiis posticis ad marginationem calcaratis, robustis.

Labrum transversely subcircular, broad.

Maxillary palpi (Tab. IX. fig. 7 m) elongate and robust ; the basal
joint minute ; the second dilated at the apex ; the third attenuate
at the base and inerassated ; the apical joint is attenuate and acu-
minate.

Labial palpi attenuate, elongate.

Antennae approximate, situated below the lower margin of the eyes,
robust, filiform ; the third joint being more attenuate than any of
the others, and, with the exception of the basal joint, longer than the
others.

Eyes lateral, situated at the base of the head, in form circular and
subglobose.

Head broad, almost vertical, subproduced in front ; above the
labrum is a transverse depressed plane ; the base of the head is
more or less coarsely granulated.

Thorax broadly transverse ; the anterior margin is distinctly
emarginate ; the anterior angles are depressed and acute ; the sides
are marginate, and in outline rounded ; the basal line is arcuate, that
is, parallel to the anterior margin ; the surface at the sides is broadly
and evenly depressed, equate, and more or less coarsely punctured.

Scutellum triangular, impunctate, situated in the same plane as
that of the elytra.

Elytra broad, robust, depressed, sw&parallel, their greatest breadth
being postmedial ; the surface is equate, or, in one species (L. Afri-
cana), obsoletely and longitudinally bicarinated from the shoulders to

* X/0os, lapis ; vo^ cultus.

the apex ; the surface i» covered throughout (like the thorax) with
deep and coarse thickly arranged punctures.

fays sufficiently robust. The anterior femora subcylindrical, and
attenuate near the apex ; the surface being, like the elytra, coarsely
punctate. The tibiae are short, incurved at the immediate base, and
slightly thickened towards the apex, which is armed at its extremity,
below the insertion of the tarsus, with two minute spurs. The
tarsus is short and robust ; the basal joint is triangular, of the same
breadth as the apex of the tibiae ; the second is minute and sub-
circular ; the third is transversely oval and deeply bilobed ; the
apical claw is bifid, and armed at its inner surface with a minute,
broad basal tooth. The^o.*7< / ->»i- femora are short, and very broadly
dilated. The tibia (Tab. IX. fig. 7 y) are short, incurved at their
immediate base, and almost straight ; when viewed from behind, the
posterior surface is longitudinally grooved ; the margination of this
groove is in outline sinuate, or obsoletely toothed, and produced in
front of the insertion of the tarsus into a distinct spur ; the apex of
the tibia? is armed, below the insertion of the tarsus, with two robust
incurved spurs ; the tarsi are short and attenuate.

The genus Lithonoma is interesting as containing the only two
species of the whole of this group which are to be found in Europe ; it
has a facies peculiarly its own : by its subparallel and depressed form
it is evidently a connecting link between the preceding genera and
the genus (Edionychis ; it is distinguished at once by its parallel form,
by the rounded sides of its transverse thorax, by the absence of stria?
or stria-like punctures of its elytra, and by the excavated or (when
viewed from behind) calcarate margination of the posterior tibiae.

1. Lithonoma AMcana. (TAB. IX. fig. 7.)

L. ovata, subparallela, depressa, punctata, cyanea ; capite brevi,
granulato ; thorace lato, transverso, lanriyato, punctato, undique
Jlavo-maryinato ; etytrts latis, dtpretsis, ad apicem rotundatis,
punctatis, obsolete bieartnatis, lonffitudinaliter etiam vitta flava
(post medium in marginationem deflexa) notatis, maryinatione
quoquejtava ; pedibus antennisque nigris.

Long. corp. 2-£ lin., lat. 1$ lin.

Ovate, subparallel, depressed, thickly punctate, of a dark cyaneous
colour. Head transverse, depressed, and slightly produced ; the eyes
are small, lateral, situated at the base of the head ; the surface is
irregularly granulated, more coarsely near the base of the antennae.
Thorax broad, transverse, broader than the head, in front distinctly
but not deeply emarginate ; the anterior angles are subdepressed ; the
sides slightly rounded and broadly marginate ; the surface is levigate,

LITHONOMA, 273

and thickly and coarsely punctate ; in front and at the base is a mar-
gin of fidvous colour, which extends nearly to the lateral angles ; the
margination also is broadly fulvous. Scutellum triangular, impunctate.
Kliftra broad, depressed, subparallel (the greatest breadth being post-
medial), rounded at the apex ; covered throughout with deep and
closely arranged punctures : from the humeral angles extend longi-
tudinally two slightly elevated but distinct ridges, becoming obsolete
as they approach the apex ; from the humeral angles also proceeds (in
a line which inclines rather more towards the suture) a broad flavo-
fulvous marking, which terminates abruptly before it reaches the
apex by being deflected at an oblique angle to the margination ; the
murgination itself also is broadly navo-fulvous (more broadly at
the apex). Antennce robust, filiform, short, black. Leys robust,
black.

This species appears to differ from its congeners, L. cincta and
L. Andalusiaca, not only in the very distinct pattern of coloration,
but also structurally. In none of the examples of either of these
species before me can I detect a trace of any longitudinal carinations
on the elytra.

Tangiers. In the collections of M. Chevrolat and the llev. H.
Clark.

2. Lithonoma cincta, Fab. (TAB. IX. fig. 8.)

Galleruca cincta, Fab. Syst. Ent. (1775), pars 2. p. 26. no. 62.
Chrysomela cincta, Fab. Spec. Insect. (1781), i. 132. 90.

Fab. Mantissa (1787), i. 76. 119.

Altica cincta, Oliv. Encycl. Meth. (1789), iv. 106. no. 12.
Galeruca margmella, Fab. Smt. Eleut. (1801), i. 496. no. 96.
Ilalticn marginella, Uliaer, Mag. (1807), vi. 55.

marginella, Oliv. Ent. (1808), vi. 688. 34. tab. 2. fig. 34.

Lithonoma marginella, Foudras, Hist, des Altisides (1860), 226.

Allard, Ann. Soc. Ent. France (1860), p. 44.

L. ovata, lata, subdepressa, subparallela, punctata, niyro-cyanea,
nitida; capite longitudinaliter foveolato,punctato ; thorate trans-
verso, lato, emarginato, punctato, antice et ad basin fulvo-notato,
etiamque fulvo-marginato ; elytris latis, depressis, subparallelis,
ad apicem rotundatis, punctatis, maculis quatuor fulvo-flavis,
ad marginemque flams ; antennis jiliformibus, robustis, nigris ;
pedibus nigro-cyaneis, tarsis fusco suffusis.
Long. corp. 2£ lin., lat. 1£ lin.

Ovate, broad, subdepressed, subparaUel, punctate, of a dark blue
colour throughout, glabrous. Head short, transverse, slightly pro-
duced : at the base of the antennae is a medial longitudinal groove
extending upwards nearly to the base of the head ; on either side of

274 LITHONOMA.

this is a short irregular depression, which form together with the
medial fovea two slight longitudinal ridges : the eyes are small,
situated at the base of the head ; the surface of the head is coarsely
and thickly punctate. Thorax broad, transverse ; the anterior mar-
gin is slightly emarginate ; the sides are rounded in outline, and
distinctly marginate ; the anterior angles are slightly depressed; the
surface is smooth, levigate, and thickly punctate ; at the anterior and
posterior margins is a transverse flavous marking, which does not
reach the lateral angles ; the margination also of the sides is flavous.
Seutellum triangular, impunctate. Elytra slightly broader than the
thorax, subparallel, depressed, covered throughout with distinct and
regularly distributed punctures; near to the suture are two irre-
gularly shaped flavo-fulvous markings (the one, antcmedial, being
slightly the smaller of the two, and longitudinal or oblique in its di-
rection ; the other, postmedial, being somewhat larger, and circular or
obliquely transverse) ; the margination also of the elytra is distinctly
flavo-fulvous. Antennae, filiform, robust, short, the length of each of
the joints from the fourth to the apex being hardly greater than its
breadth ; the colour is black. Legs robust, of a dark cyaneous colour
throughout, the tarsi being somewhat suffused with fuscous.

With regard to the synonymy of this species there appears to
have been considerable confusion. The insect itself is certainly well
known as not infrequent in Portugal and Spain ; and as certainly
the name of the insect is well known, being established by unques-
tioned authorities as " Lithonoma maryinella " of Fabricius and
Illiger. The Stettin, Schaum's, and Marseul's Catalogues, as well as
Dej can's, each give it under the name imposed by Fabricius ; Marseul
(as also Foudras, in his ' History of Halticidae ') appends to the name
(as a synonym) " v. cincta, Oliv." And the fact that " cincta " of
Olivier belongs to this species is also unquestionable ; for the insect
represented by this name is described accurately enough by Olivier
in his ' Encyclopedic ' (vol. iv. p. 106, species 12), " Altise borde'e.
Altica cincta, Fab. Chrysomela saltatoria, nigra, elytris viridi-ceneis,
margine punctisque duobus albis. Fab. Sp. Insect, i. 132. 90. Elle
se trouve en Portugal*."

The species is also most clearly defined by Fabricius in his ' Man-
tissa Insectorum ' (1787), torn. i. p. 76 : —

* I subjoin the detailed description from the ' Encyclopedie ' : —
" Altica cincta, Fab. Cette Altise est une des plus grandes. Sa tete est noire.
Le corcelet est d'une couleur de bronze, un peu obscure, avec le bord anterieur
et posterieur blanc. Les etuis sont d'un verd cuivreux ; ils ont deux points et
leursbords blancs. Le corps est tres-noir. Les cuisses posterieures sont tres
renflees. Elle se trouve en Portugal." •

LITHONOMA. 275

"cincta, 119. C. [Chrysomela] saltatoria, nigra, elytris viridi-
ceneis, margine punctisque duobus albis."

The descriptions given by both these authors are not only accurate,
but are quite inapplicable to any other species that we know of ; by
one of them the locality also is correctly given. And the works in
which these descriptions were published, dating (Fab. Spec. Insec.)
A.D. 1781, 1787, and 1789, have incontestably the priority to the
sixth volume of Olivier's ' Entomologie,' which appeared in 1808,
and to Fabricius's ' System. Eleut.,' which was published A.D. 1801.

One source, probably, of the confusion may be traced to an apparent
mistake by Schonherr, in his ' Synon. Insect.' (1806 and subsequent
years), who, although Fabricius speaks of his Galeruca cincta di-
stinctly as " saltatoria," leaves this species in the genus proper of
Galeruca (!) (marginella being transferred to Illiger's group of
Halticas).

Another cause appears to be the fact that Olivier (as it seems) de-
scribed the same insect twice under two different names, — as "cincta"
in the ' Encycl. Method.' (following the proper Fabrician nomencla-
ture), and also as " marginella " in his ' Entomologie.' This latter
name, adopted also by Fabricius (System. Eleut., 1801), was hence-
forth adopted by Illiger and subsequent writers, — the prior name
" cincta " having been either lost sight of, or sunk as a synonym.

In seeking to form an opinion as to which of the two names has
the greater claim, we have probably little difficulty in arriving at the
following conclusions : —

1. That " cincta " (see above, extracts from the Encyclopedic, iv.
p. 106 ; and from Fab. Mantissa Insec. i. 76) and " marginella "
(see descriptions of insect under this name by Allard and others)
have been both adopted with reference to the same insect.

2. That " cincta " has, in point of time, distinctly the priority, being
published in 1781 and 1787, — " marginella " appearing for the first
time in the ' Systema Eleut.' of Fabricius, published in 1801.

3. That since the publication of Illiger's work (1807) the name
" marginella " has been universally adopted, and the name cincta
universally ignored, or merely referred to (as by Marseul and Foudras)
as a synonym.

The simple question then arises, Which has the greater claim ?
the universal consent of recent authors and catalogues, or the clear
priority in point of time ?

To such an inquiry, " universal consent " will clearly reply, that
(the description of the species being sufficient and unmistakeable)
that name that has the distinct priority in point of time ought to

276 UTHONOMA.

stand. " Quieta ne movere " doubtless is an excellent rule ; but
t( order, nature's first law," suggests one that is still more excellent.
Reluctantly, though without any doubt, we arrive at the conclusion
that the present name of this species ought to give way to that of
" cincta, Fab."

This insect appears to be frequently met with in Spain and Por-
tugal. " Yigo " is given by M. Allard as a locality where it is not
uncommon. I captured specimens at Barquero, a little village on
the northern coast of Spain, when visiting that district with Mr.
Gray in his yacht the ' Miranda/ on May 1, 1856.

3. Lithonoma Andalusiaca.

Rambur, in Dej. Cat. (1837).

Rosenhauer, Thiere Andalusiens (1856), p. 333, tab. 3. fig. c.

Foudras, Hist. N. des Altisides (1860), p. 228.

Allard, Ann. Soc. Ent. France (I860), viii. p. 45.

L. ovata, lata, depressa, subparallela^ punctata, nigro-cyanea ;
capite granulate ; thorace transverso, loevigato, ad latera, et mar-
glnes ant. et post, fulvo-lineato ; elytris latis, subparallelis, ad
apicem rotundatis, fulv o-lineatis, fulvoque marginatis ; antennis
robustis,JiliformibuSt nigris ; pedibus robustis> nigro-cyaneis.

Long. corp. 2-| lin., lat. 1| lin.

Ovate, broad, depressed, subparallel, thickly punctate, dark cya-
neous, shining. Head short, transverse, hardly produced, roughly
granulated, more distinctly in front and less apparently at the base ;
above the base of the antennae there is a total absence of any longi-
tudinal depressions, which are apparent in L. cincta : the eyes are
small, lateral, situated at the base of the head. Thorax broadly
transverse, in front distinctly but not deeply emarginate ; the ante-
rior angles are subacute and slightly prominent; the sides are
rounded and broadly emarginate ; the surface is depressed, levigate,
thickly and deeply punctate ; at the anterior and posterior margins
is a flavous line (not medial, as in L. cincta, but continued, al-
though very finely, to the lateral angles) ; the margination also is
broadly fulvous. Scutellum triangular, impunctate. Elytra broad,
subparallel, depressed, slightly broader than the thorax, rounded at
the apex, covered throughout with broad, deep and closely arranged
punctures ; a tolerably broad longitudinal fulvous band, commencing
at the humeral angles, is terminated abruptly at a short distance
from the apex ; between this line and the margination are two very
faint and minute longitudinal thread-like fulvous markings ; the
margination also is fulvous, more broadly and distinctly as it ap-

LITHOtfOMA. 277

MuanmuMAi <u t i

proaches the apex. Antennae robust, filiform, black throughout.
Legs robust, of a dark cyaneous colour.

L. Andalusiaca may be separated at once from L. cincta, not only
by its somewhat larger size, and the different coloration of the elytra,
but also by the absence of any frontal depressions.

This beautiful species is not uncommon at Malaga, and generally
throughout Andalusia. Tangiers (M. Allard).

APPENDIX.

Page 10. — Add, after Monoplatus apicatus,

6 A. Monoplatus Fryii.

M. oblongo-ovalis, robustus, subdepressus, niger, nitidus ; capite
brevij subproducto, ad apicem transverse depresso, cequato, im-
punctato, nigro, inter oculos (juxta basin) fulvo bimaculato :
thorace transverse, rectangulari, antice subtiliter emarginato,
lateribus vdlde marginatis, antice depressis ; cequato, ad basin
transverse foveolato, impunctato, glabro : elytris latis, parallelis,
ad apicem rotundatis, punctato-striatis, rufo-fuscis vel cervinis ;
ad basin macula undique subcirculari, ad medium fascia tenui, et
ipso apice (late et omnino) nigris ; antennis filiformibus, nigris ;
pedibus nigris.

$ Long. eorp. 3 lin., lat. 1^ lin.

Oblong- ovate, subparallel ; of the same form as the other species
of Monoplatus. The head is very slightly produced in front ; below
the base of the antennae is an obliquely transverse depression ; the
surface between the eyes is levigate, unmarked by any fovea ; the
colour is black, with two small circular fulvous markings at the
upper and inner margins of the eyes ; the eyes are large, in form
globose, and situated laterally, at the base of the head. Thorax
transverse ; the anterior angles are distinct, and project laterally
beyond the head ; the anterior margin is subemarginate ; the sides
are straight, parallel, and broadly marginate ; the surface is equate,
impunctate, and glabrous ; at the base, parallel to the basal line, is
a transverse thread-like fovea, which is deflected to the line of the
base before it reaches the lateral margins. Scutellum large, trian-
gular, levigate. Elytra broader than the thorax, parallel, robust,
distinctly punctate-striate, rounded at the apex ; of a dark fawn-

APPENDIX. 279

colour : at the base, on either elytron, is a broad, irregularly circular
patch of black, which approaches closely to, but does not touch, the
lateral margination or the suture ; medially is a narrow transverse
fascia of the same colour, which is broken at the suture by the di-
stance of one stria, and extends in a slight bend to the commence-
ment of the margination ; the apex also is broadly and entirely
black, the boundary-line being transverse and almost medial. An-
tennce filiform, black. Legs black throughout.

I believe this to be quite a distinct species, and (although perhaps
subject to some variation as to the coloration of the elytra) not a
variety of any of the species of Monoplatus which I have had the op-
portunity of examining. It is connected by its peculiar fawn-colour
with M . bimaculatus, and by the character of its markings with M.
apicatus ; its proper place would seem to be between these two species.

It may be readily recognized by its peculiar colour, together with
the transverse black band (not circular spot, like M. bimaculatus) on
the elytra.

Taken by Mr. Fry near Rio Janeiro.

Page 14. — 11. Monoplatus quatuor-notatus.

Yar. A. Elytris ad apicem et basin Tiaud maculatis, sed integriter

et transverse, nigris.
Yar. B. Elytris ad apicem et basin late nigris, vitta transversa ad

medium etytrorum fusco suffusa.

I have, from the collection of Mr. Fry, two varieties of this species,
taken by him at Petropolis, Organ Mountains. In the one the apex
of the elytra is entirely and continuously (though narrowly) black, —
the marking at the base being also more continuous, though inter-
rupted by a suifused fuscous coloration at the suture. In the other
variety the black markings at the apex and base are produced, till
they almost meet in the centre.

"We may expect, from this inconstancy of the markings on the
elytra, that a variety of this species may be met with with the elytra
entirely black, or entirely black with the exception of the line of
margination; such a variety would at first sight approach very
closely to Monoplatus distinguendus, but might always be separated
from it by the less distinct and less broadly depressed lines of stria-
tion on the elytra.

The sculpturing and the form of the examples before me do not
vary at all from those of the specimens captured in the same locality
in 1847 by Mr. Gray and myself.

280 APPENDIX.

Page 22. — Add, after Monoplatus impunctatus,
19. Monoplatus ephippium.

M. oblongo-ovalis, parallelus, subdepressus, punctato-striatus, rufo-
flavus,. glaber ; capite brevi, hand antice producto, impunctato,
inter oculos longitudinaliter subtiliter foveolato, rufo-testaceo ;
thorace transverso (subquadrato), impunctato, ad basin transverse
foveolato ; elytris parallelis, punctato-striatis, ad basin nigris,
ad apicem (quoad medium) rufo-flavis, ante medium maculis
duabus magnis irregulariter circularibus rufo-Jlavis ; antennis
pedibusque flams.

Long. corp. 3 lin., lat. 1| lin.

This beautiful species in form closely resembles the rest of its con-
geners ; in pattern of colour (rufo-flavous and black) it bears a
striking resemblance to PTiysimerus ephippium. The head is very ob-
soletely impressed between the eyes with a medial longitudinal
fovea ; the surface is impunctate. The thorax is transverse, almost
quadrate ; the sides are broadly marginate, and in outline somewhat
sinuate; at the base is a transverse thread-like fovea, which is
terminated by being inflected into the line of the base before it
reaches the lateral margins ; the surface is impunctate and glabrous ;
the colour is flavous, with an irregular suffused medial marking of
fuscous. Scutellum large, triangular, impunctate, rufo-flavous.
Elytra broad, robust, depressed, punctate-striate (less distinctly near
the apex) ; the anterior part of the surface is black, the posterior
rufo-flavous, the line of division being transverse in direction, and
postmedial ; a large flavous maculation, irregular in outline, occupies
nearly the whole of the anterior and black portion of the surface
(being separated from the suture and also from the margination by
the breadth of a single stria) ; the surface also near the scutellum is
suffused with rufous. Antennce flavo-rufous. Legs flavo-rufous,
faintly suffused with fuscous.

M. ephippium is a very distinct and beautiful species : it differs
entirely from all other species that I have seen ; the black antemedial
portion of the elytra, which contains within it, on either elytron, a
large irregular maculation of fulvous, abundantly separates it.

Page 52. — Add, after Rhinotmetus canescens,
19 A. Rhinotmetus neglectus.

H. oblongo-ovalis, robustus, flavo-fuscus, flavo-pubescens ; capite
producto, longitudinaliter distincte canaliculato ; thorace qua-
drato, antice valde constricto. ad basin transverse late depresso ;

APPENDIX. 281

elytris punctato-striatis, rufo-fuscis, flavo-pubescentibus, vittis
dudbus fusco suffusis, ad marginem et inter strias 3 et 5, haud
apicem attingentibus ; antennis flavo-fusds ; pedibus flavis.
Long. corp. 2^-2f lin., lat. 1 lin.

Oblong-ovate, somewhat more robust than the allied species ; sub-
parallel, clothed throughout with a fine flavous pubescence, in colour
flavo-fuscous. Head broadly produced in front, the extreme apex
being abruptly contracted; a well-defined carination extends me-
dially from the base of the antennae to the labrum ; above the an-
tennae are two medial oblong tubercles, which are separated one from
the other by a distinct fovea : the eyes are large and subglobose, in
form oval, lateral ; the base of the head is punctate, being clothed
near the margins of the eyes with obsolete flavous pubescence ; in
colour the surface is in front pale flavous (the extreme apex being
black), the base is rufo-flavous. Thorax not so elongate as in most
of the species of this group, almost quadrate ; the sides are finely
but evenly marginate, broadly constricted at the apex, and parallel
at the base ; the surface is broadly transversely depressed at the
base, and clothed throughout, but most distinctly at the base,
with flavous pubescence. Scutellum obscure, triangular, clothed
throughout with thick fusco-flavous pubescence. Elytra sufficiently
robust, parallel, punctate-striate ; the surface is in colour rufo-
fuscous, and clothed for the most part with thick flavous pubescence :
between the third and fifth striae, near the margination (and also
more narrowly at the suture), are two longitudinal markings of fus-
cous colour, caused by the absence of pubescence ; these markings do
not extend to the apex, and are irregular in outline. Antennae ro-
bust, filiform, rufo-fuscous. Legs flavous throughout.

jR. neglectus may be separated from its congeners by its quadrate
(hardly elongate) thorax, in the form of which it approaches R. nigri-
cornis, as well as in the rufo-flavous colour and thick flavous pubes-
cence of its elytra.

Rio Janeiro. In the cabinet of the Rev. H. Clark.

Page 60.— Tetragonotes hexagona.
Var. A. Flava, flavo-pubescens ; pedibus Jlavis, tarsis nigris ; ely-

trorum marginibus ad apicem tenuiter nigris.

A beautiful variety of this species is in Mr. Fry's collection, taken

by him in the neighbourhood of Bio Janeiro. It is smaller than the

described species, being 2J lines in length; it is more brightly

flavous in colour, and covered throughout with a very fine flavous

282 APPENDIX.

pubescence. The margination of the elytra is near the apex nar-
rowly black ; the colour of the legs is flavous, the tarsi only (and
extreme apex of the tibiae) being black.

Page 74. — Add, after Physimerus virgatus,

4 A. Physimerus vulgaris. B.M.

P. oblongo-ovatus, robustus, flavus, flavo-pubescens ; capite trans-
verso, brevi, ad basin punctato ; thorace transverso, rectangulari,
lateribus subtiliter sinuatis, ad basin subdepresso ; elytris robustis,
punctato-striatis, pubescentibus, flavis, inter dum longitudinaliter
(inter strias 1 et 4) fusco suffusis ; antennis Jiliformibus, robustis,
flavis, ad apicem fuscis ; pedibusflavis.

Long. corp. 2^ lin., lat. 1 lin.

Oblong-ovate, robust, subcylindrical, of a flavous colour through-
out, and clothed throughout with a fine pale-flavous pubescence.
Head transverse, not produced in front ; above the labrum are two
obliquely transverse carinations ; the eyes are large, circular, and
lateral, situated at the base of the head ; the surface between the
eyes is finely punctate. Thorax transverse, rectangular ; the anterior
angles are much depressed ; the sides are finely marginate and sub-
sinuate ; the surface (when viewed obliquely) is somewhat depressed
at the base, and thus exhibits an obsolete medial transverse ridge.
Scutellum situated in the same plane as the thorax, triangular, im-
punctate. Elytra sufficiently robust, subcylindrical, rounded at the
apex ; the surface is punctate-striate, the punctures being more or
less concealed by pubescence : there is in some examples a manifest
tendency to a darker coloration between the first and the fourth stria3 ;
in some examples this longitudinal band is distinctly though suffusedly
apparent (vanishing as it approaches the apex) ; in other examples
it is entirely wanting. Antennae robust, filiform ; in colour flavous,
the five apical joints being suffused with fuscous. Legs flavous or
rufo-flavous throughout.

This species is closely allied to P. virgatus and also to P. labialis :
from the former it differs in its concolorous thorax and elytra ; from
the latter it differs in the sculpture of its head and the form of its
elytra, which are more robust and less attenuated at the apex. From
both species it differs also by its larger size.

From the neighbourhood of Rio Janeiro. In the collection of the
British Museum, and the cabinets of Mr. Fry and the Kev. H. Clark.

APPENDIX. 283

Page 81. — Add, after Physimerus trivialis,
14 A. Physimerus rusticus.

P. oblongo-ovatus, latus, sat robustus, brevis, flavus et flavo-pubes-
cens ; capite brevi, Y-foveolato, ad basin punctato ; thorace trans-
verso, lateribus subsinuatis ; elytris depressis, latis, ante medium
transverse depressis, flavis, juxta scutellum macula suffusa tri-
angulari communi, et ad medium macula circulari minuta fuscis ;
antennis Jiliformibus (ad apicem subdilatatis), rufo-flavis, art.
7 et 8 fusco suffusis; pedibus flavis.

Long. corp. 1^ lin., lat. | lin.

Oblong-ovate, broad, sufficiently robust, short, of a flavous colour,
and clothed throughout with a fine flavous pubescence. Head trans-
verse, hardly produced in front; above the labrum is an oblique
(nearly transverse) carination ; above the base of the antennae is a
short longitudinal channel, which is terminated by another, trans-
versely oblique, extending between the inner margins of the eyes, the
two together forming the character of the letter Y ; the surface at
the base is finely punctate ; the eyes are sufficiently globose, circular,
lateral, and situated at the base of the head. Thorax transverse ;
the anterior angles are depressed ; the sides are marginate and sub-
sinuate ; near the basal line is a well-defined transverse depression,
which gives a slightly gibbous form to the antemedial disk. Scutellum
small, triangular, of a fuscous colour. Elytra broad, robust, and
depressed ; when viewed laterally, a shallow antemedial transverse
depression gives an appearance of prominence to the surface near the
scutellary angles ; the colour is flavous, a suffused triangular marking,
common to both elytra, near the scutellum, and a minute circular
medial spot between the sixth and the eighth striae being fuscous.
Antennae filiform, long, with a tendency to dilatation towards the
apex; in colour rufo-flavous, the seventh and eighth joints being
suffused with fuscous. Legs flavous, the posterior tibiae being suffused
with rufous.

P. rusticus is a very distinct species ; it is broad, and antemedially
transversely depressed; its fuscous markings on the elytra also
readily distinguish it.

A single specimen was taken by Mr. Fry, in the neighbourhood of
Rio Janeiro.

284 APPENDIX.

Page 93.— Add, after Physimerus griseostri'atus,

28. Physimerus Allardi.

P. ollongo-ovatus, subdepressus, impubescens, glaber, rufo-ferrugi-
neus ; capite brevi, ad basin sparsim punctato ; ihorace transverso,
impunctato, ad basin transverse foveolato, ferrugineo, ad latera et
ad medium longitudinaliter fusco ; elytris latis, punctato-striatis,
ad medium transverse et juxta humeros longitudinaliter fusco-
notatis, marginatione etiam et sutura antemediis fuscis ; antennis
Jiliformibus, flams ; pedibus flavis, femoribus posticis ferrugineo
suffusis.

Long. corp. 1 j lin., lat. | lin.

Oblong-ovate, sufficiently robust, depressed, impubescent, glabrous,
of a bright rufo-ferrugineous colour. Head transverse, considerably
depressed, not produced in front ; above the labrum is an obsolete
triangular depression ; the surface of the base is levigate and sparingly
punctate; the eyes are large and globose, in form oval. Thorax
transverse, rectangular ; the lateral margins are parallel (slightly
subsinuate towards the apex) ; the surface is smooth and impunctate ;
parallel to the basal line is a minute transverse thread-like fovea,
corresponding in form to the thoracic depression in the genus Mono-
plains ; in colour the thorax is rufo-ferrugineous, being broadly
margined at the anterior angles with fuscous, a suffused medial
longitudinal band is also fuscous. Scutellum triangular, impunctate,
fuscous. Elytra distinctly broader than the thorax, finely punctate-
striate, in colour rufo-ferrugineous; a suffused medial transverse
fuscous marking extends from the suture to the margination, and
thence upwards to the humeral angles ; near the scutellum (between
the fourth and sixth striae) is a short suffused longitudinal marking
of fuscous ; the suture also is antemedially fuscous. Antennae fili-
form, in colour flavous. Legs flavous, the posterior femora being
suffused with ferrugineous.

P. Allardi is separated from its congeners by the form of its
thoracic basal fovea ; it is also readily distinguished by the broader
and depressed form of its elytra, and by the transverse medial and
scutellary longitudinal marking.

Taken by Mr. Fry in the neighbourhood of Bio Janeiro.

I name this species after my friend M. Allard of Paris, the excellent
monographer of the Halticidse of Europe.

APPENDIX. 285

Page 126.— Add, after Homotyphus squalidus,
5 A. Homotyphus cionoides.

H. ovatus, robustus, latus, incequalis, tuberculatus ; pube nigra et
fusca et sparsim rufo-fulva subtiliter vestitus, nigro-fuscus ;
capite brevi; thorace transverso, bituberculato, ad latera rugoso ;
scutello flavo ; elytris latis, punctatis, rugosis, ad basin bituber-
culatis, nigris, ad latera et apicem fusco-flavis, vittis duabus
transversis irregulariter nigris; antennis robustis, Jiliformibus,
ad apicem subdilatatis ; pedibus robustis, flavo-fuscis, nigro
maculatis.

Long. corp. 2 lin., lat. 1^- lin.

Ovate, broad, robust, irregularly and deeply sculptured, clothed
throughout with a fine pubescence ; in colour fuscous black. Head
short, slightly produced in front ; between the eyes the sculpturing
is distinctly different from that of all other species of the group ; the
surface is transversely depressed, giving prominence to a transverse
ridge immediately above the base of the antennae ; the surface is
clothed throughout with fine pubescence, which is in colour black, —
a medial longitudinal line, and the inner margins of the eyes, being
flavous ; the eyes are lateral, and situated nearly at the base of the
head, in form oval. Thorax transverse, rectangular ; the sides are
marginate and slightly compressed in front; the whole surface is
occupied by irregular and well-defined excavations and ridges ; near
the anterior margin are two contiguous and prominent tubercular
elevations — on either side of these, and at the base, the surface is
depressed, and yet corrugated with irregular ridges ; the surface is
clothed throughout with pubescence, rufo-fuscous suffused with
fuscous, — the anterior tubercular elevations being more glabrous, and
in colour distinctly rufous. Scutellum large, distinct, situated in the
same plane as the elytra, in form subcordiform, and clothed with a
dense pubescence of. pale flavous colour. Elytra broad, short, robust,
irregularly sculptured, deeply but sparingly punctate ; the surface is,
antemedially, slightly and broadly depressed, which gives a degree
of prominence to the region near the scutellary angles, and also to
two postmedial gibbous elevations ; the whole surface is clothed with
close and short pubescence, which (when viewed obliquely) is pro-
duced occasionally into irregular and rugged tufts of hair ; the colour
is, near the humeral angles, around the scutellum, and near the su-
ture, black or fuscous black (the apex of the humeral angles itself
being rufous) ; the sides are broadly flavo-fuscous (suffused occa-
sionally with rufous), two irregular transverse markings from the
margination towards the suture being fuscous black ; the apex itself

286 APPENDIX.

also is fuscous black. Antennce robust, filiform, the apical joints
having a distinct tendency to incrassation ; in colour flavous, the
seventh and eighth joints being flavo-fuscous. Legs robust, flavo-
fuscous, the tibiae being transversely barred with fuscous.

This beautiful species is at once distinguished from its congeners
by the remarkably deep sculpturing of the thorax and the elytra, by
its peculiar coloration and general appearance, which (as suggested
by my friend Mr. Wollaston) closely resembles the species of the
genus Clonus, especially perhaps C. pulchellus, and by the remark-
able pale flavous colouring of the scutellum.

Bio Janeiro.

Page 149.— Genus 24. LOXOPROSOPUS.

For (THORAX) " lateribus marginatis, et in angulum productis " read
" lateribus marginatis et subsinuatis"

Page 150.

For (Thorax} " the sides are broadly marginate, the margination
being generally produced into an angle," read " the margination being
generally subsinuate."

Page 157. — Peribleptus laevigatus.

A single specimen of this species has been taken by Mr. Fry near
Rio Janeiro, the colour of the body of which is, with the exception
of the base of the head, entirely black, thus proving, as I had anti-
cipated, that the specimen captured by Mr. Gray at Petropolis, and
described at page 157, was in a state of immaturity.

Another example is in Mr. Fry's cabinet, captured by him on the
same visit to Rio, which must be considered, I believe, to be a
variety of this species : it is in size somewhat smaller, being in length
1 J line, and in breadth f of a line ; in colour it is rufo-flavous, the
apex of the elytra being suffused with fuscous.

Yar. A. Rufo-flavus, elytrorum apice fusco suffuso.

Page 176. — Atyphus carbonarius.

I am enabled to ascertain the sexual characters of the genus Atyphus
by an examination of a fine series of this insect brought home by
Mr. Fry. The examples from which I drew up my description were
all of them females ; the males are smaller in size, being in length
2J lines and in breadth hardly more than 1 line : the head in the

APPENDIX. 287

male is narrower and relatively smaller ; the eyes are somewhat more
globose ; the thorax is not broadly transverse ; the elytra are shorter
and much less robust ; the basal joints of the anterior tarsi are much
broader; and the antennae are somewhat more elongate and less
robust. The examples captured at Eio Janeiro all belong to Yar. C.

Page 177. — After Atyphus comes, insert (TAB. YII. fig. 5.)

SPECIES MIHI IGNOT^E.

1. (Edionychis sericeus.

Perty (Del. Anim. Artie, p. 109. tab. 22. fig. 4).
(E. testaceo-pallidus ; elytris obscuris, maculis sex pallidis.

Long. 3'", lat. hum. If".

[Long. corp. (secundum tabulam) 3^ lin.]

Habitat in montibus Prov. Minarum.

Caput fronte, labio superiore palpisque testaceis; mandibulis et
vertice nigris. Thorax testaceus, subtilissime pubescens et punctu-
latus, antrorsum paulum angustatus. Scutellum fuscum. Elytra
fusco-brunnescentia, tenuiter holosericea, maculis in quo vis tribus
pallidis, quarum una scutellaris, sub lente longitudinaliter punetata ;
subtus sordide testaceus. Mesostethium linea impressa. Antenna?
corpore parum breviores, flavicantes, pilosulae, articulis mediis ob-
scurioribus. Pedes anteriores testacei ; tibiis tarsisque fusculis. Pedes
postici femoribus pubescentibus, testaceis, apice nigro ; tibiis brannes-
centibus, tarsorum articulo vesiculoso, brunneo.

2. (Edionychis porculus.
Perty (Del. Anim. p. 110. tab. 22. fig. 7).

CE. politus ; capite, ihorace et elytris antice badiis, his postice atris.

Long. 3|'", lat. hum. 11"; vLx.

[Long. corp. (secundum tabulam) 3J lin.]

Habitat ad flumen Hio Negro dictum.

Caput breve, latiusculum, badium, oculis nigris. Thorax trans-
versus, badius, angulis omnibus subacutis, puncto utrinque ad discum
impresso. ScuteUum badium, lasvigatum. Elytra thorace latiora,
polita, antice clare badia, sub lente longitudinaliter punetata, postice
aterrima, Isevia; subtus flavo-badius, nitidus. Antennaa ad basin
valde approximate, corporis dimidio parum longiores, flavo-badii.
Pedes flavo-badii, articulo tarsorum posticorum ultimo inflato ob-
scuriore.

(Probably a Fleurochroma ; and if so, nearly allied to P. balteatum.}

288

APPENDIX.

3. (Edionychis viridis.

Perty (Del. Anim. p. 110. tab. 22. fig. 6).

CE. subtus et femoribus posticis flavis, supra pallide viridis ; elytris
punctato-striatis.

Long. 2£'", lat. hum. 1|'".

[Long. corp. (secundum tabulam) 2 lin.]

Habitat in Brasilia sequatoriali.

Doubtless a Phylacticus, and closely allied to P. olivaceus. Perty's
description of the insect is given in full at page 114.

It is not possible, with any degree of certainty, to refer any of the
species described and figured by Olivier in the sixth volume of his
' Entomologie ' to this group. The size of the insect is in no case
given by him ; and the globular inflation of the ultimate joint of
the postical tarsus is unnoticed. In the absence, therefore, of type
specimens, it would be useless to enumerate here such species as
apparently might belong to the genera included in this volume. The
same difficulty attaches to the elucidation of the species described by
Germar and Fabricius.

CATALOGUS GEQGRAPHICUS

ET

GENERUM DIAGNOSES.

Tribus I. Palpi maocillares filiformes.

Genus 1. Monoplatus (pag. 2). Statura grandis; oblongn.s,parallelus,
laete coloratus, glaber; thorace ad basin semper transverse
foveolato ; tibiis posticis calcaribus 6 aut 7 apud marginationem
armatis, tarsis anterioribus art. basali dilatatis.

1. nigripes . . . . . Organ Mountains .... 5

2. Presidencies .... Organ Mountains .... 6

3. distinguendus . . . Petropolis 7

4. Grayii Organ Mountains .... 8

5. Miersii Rio Janeiro 9

6. apicatus Organ Mountains .... 10

6 A. Fryii Petropolis 278

7. bimaculatus ... . Organ Mountains .... 11

8. croceus Petropolis ...... 11

9. jucundus ..... Rio Janeiro 13

10. sex-signatus . . . Brazil 14

11. quatuor-notatus . . Organ Mountains . . . .14,279

12. semichalybeus . . . Brazil 15

13. semiviolaceus . . . Cayenne (?) 17

14. nigricans Brazil 17

15. nigrimanus .... Brazil 18

16. dimidiatipennis . . Brazil 19

17. angulatus .... Brazil .20

18. impunctatus . . . Brazil . . . . . . . . 21

19. ephippium .... Rio Janeiro 280

Genus 2. Roicus (pag. 22). Statura grandis ; subparallelus ; thorace
ad latera angulato (baud ut in Monoplato lateribus reetilineari-
bus) ; pedibus longis, tibiis distincte incurvatis.

1. sex-maculatus . . . Amazon 24

u

290 CATALOGUS GEOGRAPHICTTS ET

Genus 3. Euphenges (pag. 25). Sat latus, robustus ; antennis ro-
bustis ; elytris ante medium valde oblique depressis ; tibiis pos-
ticis ad apieem bicalcaratis. Page

1. sericeus Brazil 27

2. Lemoeides .... Amazon 28

Genus 4. Physonychis (pag. 29). Subparallela, sat robusta ; an-
tennarum articulis lmo, 8VO et ultimo dilatatis et productis ; in <$
tibiarum anticarum apicibus valde dilatatis, tibiis posticis rectis,
ad marginationem inarmatis.

1. smaragdina .... Senegal 31

Genus 5. Rhinotmetus (pag. 33). Elongato-ovalis ; thorace elongato,
antice rotundato ; tibiis posticis juxta apieem ad marginationem
unicalcaratis.

1. leptocephalus (Perty) Rio Janeiro 35

2. marginatus .... Organ Mountains .... 37

3. cruciatus Organ Mountains .... 38

4. spectabilis .... Organ Mountains .... 39

5. crucifer Brazil 40

6. cyaneus Organ Mountains . . . . 41

7. assimilis Brazil 42

8. depressus .... Organ Mountains .... 43

9. Waterhousii . . . Brazil 44

10. ruficollis Brazil 45

11. cyanipennis .... Eio Janeiro 46

12. sulcicollis .... Rio Janeiro 47

13. elegantulus .... Island of St. Paul .... 47

14. inornatus .... Brazil 48

15. Deyrollii Brazil 49

16. humilis Rio Janeiro 50

17. pallipes Brazil 50

18. flavidus Brazil 51

19. canescens .... Brazil 52

19 A. neglectus Rio Janeiro 280

20. nigricornis .... Organ Mountains .... 52

Genus 6. Tetragonotes (pag. 53). Parallela ; thorace elongato, rect-
angulari, ad latera distincte angulato ; tibiis posticis apud mar-
ginationem sinuatis.

1. elegans Organ Mountains .... 55

2. atra Organ Mountains .... 56

3. calceata Brazil 57

4. subanchoralis ... . Venezuela 58

5. angulicollis .... Brazil 59

6. vittata Organ Mountains .... 59

7. hexagona Brazil 60,281

Genus 7. Pachyonychis (pag. 61). Sat robustus, depressus; thorace
lateribus hand angulatis, sed coarctatis ad apieem et ad basin ;
tibiis posticis ad apieem calcaratis, tarsorum art. 2ndo brevi.

1. paradoxus .... Philadelphia 63

GENERTJM DIAGNOSES, 291

Genus 8. Eutonms (pag. 64). Statura et forma penitus ut in genere

(Edionyche ; robustus, latus, brevis ; thorace lato ; tibiis posticis

rectis, inarmatis, brevibus. pafre

1. Africanus .... Sierra Leone 05

Genus 9. Phsedromus (pag. 66). Parallelus, subattenuatus, depressus;
thorace traiisverso, lateribus (ut in genere Tetragonote) angulatis;
tibijs posticis ad marginationem sw&sinuatis.

1. Waterhousii . . . South Carolina 68

Genus 10. Physimerus (pag. 69). Sat latus, parallelus ; antennis
plerumque filiformibus (rarius sttMncrassatis) ; thorace angulis
anticis distinctis, haud ut in genere Rhinotmeto rotundatis, qua-
drato (rarissime transverso) ; tibiis posticis ad marginationem
rectis, nunquam calcaratis.

1. impressus . . •. . Organ Mountains .... 71

2. vittatus Rio Janeiro 72

3. quatuor-lineatus . . Brazil 72

4. virgatus Columbia 73

4 A. vulgaris Rio Janeiro 282

5. labialis Mexico. . 74

6. ambiguus .... Organ Mountains .... 75

7. agilis Organ Mountains .... 76

8. revisus Brazil 77

9. luteicollis .... Rio Janeiro 77

10. inornatus .... Amazon 78

11. minutus Amazon 79

12. obscurus Brazil 79

13. fascicularis .... Organ Mountains .... 80

14. trivialis ..... Brazil 81

14 A. rusticus Rio Janeiro 283

15. juvencus Amazon 81

16. ephippium .... Amazon . 83

17. suboculatus .... Para 83

18. adumbratus .... Amazon 84

19. brevicollis .... Amazon 85

20. angulo-fasciatus . . Amazon 86

21. bituberculatus . . . Amazon . . 87

22. bilineatus .... Amazon

23. Batesii . . . . . Amazon 89

24. irroratus Amazon < 89

25. nebulosus .... Rio Janeiro 90

26. pruinosus .... Columbia 91

27. griseostriatus . . . Amazon 9J

28. Allardii Rio Janeiro 284

Genus 11. Glenidion (pag. 93). Paralleling elongatum; thorace
transverso ; pedibus posticis elongatis ; tibiis elongatis, et rectis,
inarmatis, ad apicem calcaratis, tarsorum articulo basali pro-
ducto.

1. rubronotatum . . . Brazil ......... 95

292 CATALOGTJS GEOGEAPHICTJS ET

Genus 12. Hypantherus (pag. 95). Latus., robustus, haud deprcssus;
antennis plus minus incrassatis ; thorace transverso ; tibiis pos-
ticis juxta tarsorum insertionem apucl marginationem calcaratis,
ad apicem ipsum bicalcaratis. p

1. concolor Amazon 97

2. ambiguus .... Amazon 98

3. assimilis Rio Janeiro 99

4. Batesii Amazon 100

5. Deyrollii Island of St. Paul .... 100

6. rufo-testaceus . . . Brazil 101

Genus 13. Thrasygceus (pag. 102). Latus, subdepressus ; thorace
lato ; antennis filiformibus ; tibiis posticis rectis, inarmatis.

1. eximius Amazon 103

2. exaratus Brazil 104

3. obscurus .... Brazil 105

4. undatus . . . . . Venezuela ...... 106

Genus 14. Eupeges (pag. 107). Eobusta, subparallela ; antennis
filiformibus ; thoraee lato, ad latera subrotundato ; tibiis posticis
simplicibus.

1. praeclara Amazon 108

2. scabrosa Brazil 109

3. nigrifrons .... Brazil ........ 109

Genus 15. Phylacticus (pag. 110). Sat robustus, parallelus ; an-
tennis filiformibus; thorace transverso; elytris subtiliter pu-
bescentibus ; tibiis posticis simplicibus, ad apicem ipsum bical-
caratis.

1. modestus. .... Amazon 112

2. ustulatus Cayenne 113

3. olivaceus Amazon 113

4. prasinus . . . . . Para 115

5. pollinosus .... Rio Janeiro . . . . . .115

6. amabilis Amazon 116

Genus 16. Homammatus (pag. 116). Robustus, latus, brevis; an-
tennis subincrassatis ; capite verticali ; thorace subquadrato ;
elytris ante medium distincte transverso-depressis ; tibiis pos-
ticis ad marginationem subsinuatis, haud calcaratis.

1. turgidus Rio Janeiro 118

2. nitidus Columbia 119

Genus 17. Homotyphus (pag. 120). Latus, subpubescens, plerum-
que subtiliter vel distincte tuberculatus ; antennis plus minus
dilatatis ; thorace transverso ; elytris ante medium plerumque

GEKERTJM DIAGNOSES. 293

transverse depressis ; tibiis posticis rectis, ad marginationem
ecalcaratis, ad apicem ipsum bicalcaratis.

1. Iaeim<wufl .... Rio Janeiro 122

2. Vellereus .... Minas Geraes 123

3. fuliginosus .... Mexico 124

4. asper ....... S. America 125

5. squalidus .... Mexico 126

6. holosericeus .... Rio Janeiro 126

7. maculicornis . . . Mexico 127

8. Wollastonii .... Baliia 128

Genus 18. JSdmon (pag. 129). Latum, robustum, ad latera rotun-
da turn; antennis subincrassatis, robustis, hirsutis; thorace trans-
verso, ad basin constricto ; tibiis posticis ad marginationem uni-
dentatis.

1. sericellum .... Porto Rico 131

Genus 19. Pleurochroma (pag. 131). Latum, subdepressum, gla-
brum ; antennis sie&incrassatis ; thorace transverso ; elytris bre-
vibus, robustis; tibiis postieis ad marginationem simplicibus,
subsinuatis.

1. balteatum .... Amazon 133

2. nitidulum .... Amazon 134

3. pallidum .... Amazon 134

Genus 20. Leptotrichus (pag. 135). Robustus, brevis, subparallelus,
sat convexus; palpis maxillaribus elongatis et attenuatis; an-
tennis distincte incrassatis ; capite verticali ; thorace transverso,
convexo ; tibiis posticis ad marginationem rectis, ad apicem uni-
calcaratis.

1. castaneus .... Amazon 136

Genus 21. Panchrestus (pag. 137). Robustus, brevis, parum con-
vexus ; antennis incrassatis (baud ut in genere Leptotricho) ;
thorace transverso, lateribus interdum subtiliter angulatis ;
elytris ante medium transverse subdepressis ; tibiis posticis
simplicibus, brevibus.

1. pulcher Amazon 1

2. rubicundus .... Amazon IW

3. inconspicuus . . . Amazon |«J

4. rufescens . . . . • Amazon ....... 1

Genus 22. Hylodromus (pag. 142). Latus, robustus, depressus;
antennis art, 3-6 incrassatis; thorace transverso, ad basin
constricto; eljtris depressis, sat latis ; tibiis posticis apud mar-
ginationem simplicibus, ad apicem dilatatis et unicalcaratis.

1. dilaticornis .... Amazon 143

294 CATALOGUS GEOGRAPHICUS ET

Genus 23. Ccelocephalus (pag. 144). Subcylindricus, parallelus ;
antennis filiformibus, elongatis ; capite brevi ; thorace quadrato,
ad basin constricto; tibiis posticis brevibus, simplicibus, ad
apicem unicalcaratis. p

1. pulchellus Amazon 145

2. amoenus Amazon 146

3. pygmseus Amazon 147

4. fusco-costatus .... Amazon 348

Tribus II. Palpi maxillares ad apicem incrassati.

Genus 24. Loxoprosopus (Guerin-Meneville) (pag. 149 et 286).
Subcylindricus, sat robustus ; antennis longissimis, vel quam alia
genera longioribus, filiformibus; capite verticali, antice sub-
producto ; thorace transverse, rectangulari ; tibiis posticis sim-
plicibus, haud calcaratis.

1. ceramboides(6rw<?r.-Jfeft.) Rio Janeiro 151

2. marginatus Amazon 152

3. humeralis Amazon 153

4. caeruleus Amazon 154

Genus 25. Peribleptus (pag. 155), Latus, robustus, parallelus;
antennis filiformibus, sat longis; capite brevi, baud antice
producto ; thorace transverse, ad latera subtiliter angulato, ad
basin constricto ; elytris ante medium oblique depressis ; tibiis
posticis brevibus, ad margin ationem simplicibus, ad apicem
unicalcaratis.

1. Isevigatus Rio Janeiro .... 157, 286

Genus 26. Octogonotes, Drap. (pag. 158). Eobustus, subparallelus ;
antennis filiformibus ; capite brevi ; thorace transverse, ad latera
distincte angulato; elytris haud ante medium transverse de-
pressis; tibiis posticis simplicibus, ad marginationem sub-
sinuatis.

1. brunneus Amazon 160

2. thoracicus (Gtier.-Men.) Cayenne 161

3. Banoni (Drap.) . . . Cayenne 162

4. binotatus Cayenne 163

5. sumptuosus .... Amazon 164

6. bicinctus Amazon 165

Genus 27. Apalotrius (pag. 166). Statura plerumque ut Octogo-
note ; antennis filiformibus ; thorace transverse, ad latera recti-
lineari; tibiis posticis calcare ad marginationem super tar-
sorum insertion em armatis.

1. pubescens .... Amazon 168

GENERTTM DIAGNOSES. 295

Genus 28. Exartematopus (pag. 169). Latus, convexus, l»te colo-
ratus, impubescens ; antennis robustis, apicem versus subincras-
satis-, capite vertieali ; thorace lato, rectilinear!, angulis an-
ticis prominentibus, depresso ; elytris quam in genere Octogo-
note breviora, robustiora ; tibiis posticis ad marginationem sim-
plicibus, ad apicem distincte bicalcaratis. p&

1. nobilis Espiritu Santo ... .170

2. scutellaris .... Brazil 171

Genus 29. Hydmosyne (pag. 172). Subparallela, depressa; an-
tennis filiformibus ; capite porrecto ; thorace ad apicem con-
stricto ; elytris parallelis ; tibiis posticis juxta tarsorum in-
sertionem calcaratis, baud (ut in genere Atypho) ad mediam
marginationem.

1. inclyta S. America 174

Genus 30. Atyphus (pag. 175). Parallelus, cylindrkus ; antennis
filiformibus ; thorace transverse, rectilinear! ; elytris parallelis ;
tibiis posticis ad mediam marginationem calcaratis.

1. carbonarius .... Eio Janeiro .... 176, 286

2. flaviventris .... Brazil 177

3. comes Eio Janeiro .... 177, 287

4. furcipes New Granada 178

Genus 31. Gethosynus (pag. 179). Elongatus, subcylindricus ; an-
tennis filiformibus; thorace transverse, ad latera subsinuato;
tibiis posticis ad marginationem calcaratis.

1. sanguinicoDis . . . Espiritu Santo 180

Genus 32. Allochroma (pag. 181). Latum, robustum, haud ut in
genere Geihosyno subangustatum, plerumque ante medium trans-
verse depressum, glabrum, coloratum (aliquando sed rarius
pube tenui vestitum) ; antennis filiformibus, rarius incrassatis ;
thorace transverse, rectilinear! ; elytris latis, brevibus, robustis,
rarius ante medium transverse depressis, plerumque glabris;
tibiis posticis ad marginationem rectis aut sinuatis.

1. humerale Amazon 183

2. coccineum .... Rio Janeiro 184

3. sex-maculatum . . . Brazil, &c 185

4. fasciatum .... Guiana 186

5. piceum Brazil 186

6. Balii S. America (loco haud citato) 187

7. lunatum Amazon ....... 188

8. flavo-vittatum . . . Amazon 188

9. venustum .... Brazil 189

10. nigro-marginatum . Rio Janeiro 190

296 CATALOGUS GEOGRAPHICTTS ET

11. assimile Rio Janeiro 191

12. quatuor-pustulatum . Guatemala 191

13. festivum ..... Brazil ........ 192

14. sex-signatum . . . Brazil 193

15. generosum .... Columbia 194

Genus 33. Cerichrestus (pug. 194). Parallelus, quam in genere
Allochromate longior, plerumque subtiliter pubescens et punc-
tato-striatus ; an tennis robustis, filiformibus, aut aliquando sub-
tiliter incrassatis ; thorace transverse, ad basin plus minus
depresso ; elytris parallelis, punctate -striatis, haud ante medium
depressis ; tibiis posticis simplicibus.

1. Balii Brazil 196

2. apicalis New Granada 197

3. Deyrollii Cayenne . . . . . . .198

4. Batesii . . . . . Amazon 199

5. tenuicornis .... Amazon 200

6. exiguus Amazon 201

7. Cheyrolatii . . . . S. America (loco liaud citato) 202

8. humilis Amazon 203

9. flavicans Amazon 204

10. marginicollis . . . Amazon 204

Genus 34. Calipeges (pag. 206). Robustus, subcylindricus (non ut
in genere Cerichresto elongatus) ; antennis incrassatis (plus quam
in genere Cerichresto) ; elytris latis, ante medium fortiter trans-
verse excavatis ; tibiis posticis simplicibus.

1. crispus Para 207

Genus 35. Omototus (pag. 208). Robustus, brevis, plerumque pu-
bescens; antennis robustis, filiformibus, ad apicem interdum
subdilatatis ; thorace transverse (rarius subquadrato), ad latera
aliquando sinuato ; elytris brevibus ; tibiis posticis ad margina-
tionem plus minus calcaratis, rarius sinuatis.

1. morosus Cayenne 209

2. quadripes .... Cayenne 210

3. tuberculatus . . . Bogota 211

4. braccatus Brazil 212

5. nodosus Amazon 213

6. Dohrnii Paramaribo 214

7. nubilus Cayenne 215

8. Cayensis Cayenne 216

9. fulvo-pubescens . . Paramaribo 217

10. bituberculatus . . . Brazil 218

11. artitus Cayenne 219

12. fuscatus Amazon 220

13. bimaculatus .... Amazon ....... 221

14. sex-maculatus . . . Amazon 222

15. binotatus Bahia 222

16. humero-iiotatus . . Brazil ... . 223

GENERTJM DIAGNOSES. 297

Page

17. sex-notatus .... Brazil 224

18. sericeo-pubescens . . Columbia 225

19. transverso-notatus . Amazon 225

Genus 36. Metriotes (pag. 226). Elongata, subdepressa; palpis
maxillaribus art. secundo lato et dilatato ; antennis filiformibus,
attenuatis ; thorace transverse, rectangular! ; elytris parallelis ;
tibiis posticis (ut in genere Monoplato} calcaribus quinque aut
sex armatis.

1. Robinsonii .... Rio Janeiro ...... 228

Genus 37. Poebates (pag. 229). Lata, robusta, subcylindrica ; an-
tennis brevibus, filiformibus; thorace transverso ; elytris latis,
brevibus, subcylindricis, baud ante medium transverse depressis ;
tibiis posticis ad marginationem simplicibus.

1. nigripes Brazil . 230

Genus 38. Hypolampsis (pag. 230). Statura brevis ; sat lata, aut
subglobosa aut parallela; thorace transverso (interdum qua-
drato) ; elytris brevibus aut elongatis, plerumque ante medium
oblique depressis ; tibiis posticis ad marginationem aut simpli-
cibus aut sinuatis, rarissime calcaratis.

1. melanotus .... Chili 233

2. Balii Brazil 234

3. elegantula . . . - . Rio Janeiro 234

4. multicostata . . . . Brazil 235

5. ingequalis Rio Janeiro 236

6. Miersii Paramaribo 237

7. Dohrnii Brazil 238

•8. albo-guttata. . . . Brazil 238

9. Murraii ..... Rio Janeiro 239

10. signaticornis . . . Para 240

11. nana Rio Janeiro 241

12. pumilio Rio Janeiro 242

13. ferrugineo-notata . . Brazil 242

14. parallela Brazil 243

15. campestris .... Brazil 243

16. fallax Brazil . .

17. nigrina Island of St. Paul .... 245

18. minima Amazon ....... 245

19. atra Island of St. Paul . . . .246

20! fragilis Rio Janeiro 247

21. Lacordairii .... Amazon 248

22. costulata New Granada 249

23. meridionalis. . . . Brazil 249

24. sauamata .... Brazil £>V

25. sylvatica Brazil fi

26 reo-ia Amazon JoZ

27. flavo-notata ... St. Catherine 252

28. vicina Columbia ^6

298 CATALOGTJS GEOGKAPSICTTS ET GENERUM DIAGNOSES.

Page

29. Fryella Rio Janeiro 254

30. fusca Rio Janeiro 254

31. anceps Island of St. Paul .... 255

32. robusta Bahia 256

33. sestivalis Brazil 257

34. pilosa, ///. .... Pennsylvania 258

35. porculus Brazil * . . 258

36. gibba Rio Janeiro 259

37. suborbicularis . . . Brazil 260

Genus 39. Imatium (pag. 260). Rotundatum, pube dense vesti-
tum ; antennis incrassatis ; tibiis rectis, simplicibus, baud ad
marginationem calcaratis.

1. tomentosum . . . Brazil 262

2. rotundatum .... Brazil 263

3. velutinum .... Rio Janeiro 264

Genus 40. Spanms (pag. 265). Rotundatus, suborbicularis, laevi-
gatus ; femoribus et tibiis posticis haud elongatis.

1. globosus Amazon 266

Genus 41. Cyrton (pag. 267). Robustum, rotundatum, depressum,
glabrum, striato-punctatum ; femoribus tibiisque posticis elon-
gatis.

1. anisotomoides . . . Amazon 269

2. sanguineum .... Amazon 269

Genus 42. Lithonoma (pag. 271). Lata, subparallela, sat depressa ;
tibiis posticis calcare armatis.

1. Africana Tangiers ........ 272

2. cincta, Fab Spain 273

3. Andalusiaca, Ramb. . Spain 276

INDEX.

adumbratus, Physim., 84.
^EDMON, 129, 293.
sestivalis, Hypol., 257.
Africana, Lithon., 272.
Africanus, Eutorn., 65.
agilis, Physim., 76.
alboguttata, Hypol. , 238.
Allardi, Physim., 284.
ALLOCHBOMA, 181, 295.
amabilis, Phyl., 116.
ambiguus, Hypan., 98.
ambiguus, Physim.) 75.
amosnus, Cceloceph., 146.
anceps, Hypol., 255.
Andalusiaca, Lithon., 276.
angulatus, Monop., 20.
angulicollis, Tetrag., 59.

an^ulo-fasciatus, Physim., 86.

amsotomoides, C^/r#., 269.

APALOTBIUS, 166, 294.

apicalis, Cerich., 197.

apicatus, Monop., 10.

artitus, Omo^., 219.

asper, Homot., 125.

assimile, Attoch., 191.

assimilis, Hypan., 99.

assimilis, Rhinot, 42.

atra, JT^o/., 246.

atra, Z&ra^., 56.

ATYPHUS, 175, 295.

Balii, -4flocfe., 187.

Balii, CfencA., 196.

Balii, J2^o/., 234.

balteatum, Pleur., 133.

Banoni, Octog., 162.

Batesii, Cerich., 199.

Batesii, Hypan., 100.

Batesii, Physim., 89.^

bicinctus, Octog., 165.

bilineatus, Physim., 88.
bimaculatus, Monop., 11.
bimaculatus, Omot., 221.
binotatus, Octog., 163.
binotatus, Omot., 222.
bituberculatus, Omofc, 218.
bituberculatus, Physim., 87.
braccatus, Owo£., 212.
brevicollis, Physim., 85.
brunneus, Octog., 160.
cseruleus, Loxop., 154.
calceata, Tetrag., 57.
CALIPEGES, 206, 296.
campestris, Hypol, 243.
canescens, Rhinot., 52.
carbonarius, J[^/j9., 176, 286.
castaneus, Lept., 136.
Cayensis, Omot., 216.
ceramboides, Loxop., 151.
CEBICHBESTUS, 194, 296.
Chevrolatii, Cerich., 202.
cincta, Lithon., 273.
cionoides, Homot., 285.
coccineum, Attoch., 184.
CCELOCEPHALUS, 144, 294.
comes, ^%j»., 177, 287.
concolor, Hypan., 97.
costulata, -%po/., 249.
crispus, Calip., 207.
croceus, Monop., 11.
cruciatus, Rhinot., 38.
crucifer, Rhinot., 40.
c}raneus, Rhinot., 41.
cvanipennis, Rhinot., 46.
CYBTON, 267, 298.
depressus, Rhinot., 43.
Deyrollii, CcrtcA., 198.
Deypollii, Hypan., 100.
Deyrollii, Rhinot., 49.

300

INDEX.

dilaticornis, Hylod., 143.
dimidiatipennis, Monop., 19.
distinguendus, Monop., 7.
Dohrnii, Hypol, 238.
Dohrnii, Omot., 214.
elegans, Tetrag., 55.
elegant ula, Hypol, 234.
elegantulus, Rhinot., 47. •
ephippium, Mono*)., 280.
ephippium, Physim., 83.
EUPEGES, 107, 292.
EUPHENGES, 25, 290.
EUTORNUS, 64, 291.
exaratus, Thras., 104.
EXARTEMATOPUS, 169, 295.
exigims, Cerich., 201.
eximius, Thras., 103.
fallax, Hypol, 244.
fasciatum. Attach., 186.
fascicularis, Physim., 80.
ferrugineo-notata, Hypol, 242.
festivum, ^ttbcA., 192.
flavicans, Cerich., 204.
flavidus, Rhinot., 51.
flaviventris, Atyp., 177.
flavo-notata, ^Tyjoo/., 252.
flavo-vittatum, Alloch., 188.
fragilis, Hypol, 247.
Fryella, ^Ty^o/., 254.
Fryii, Monop., 278.
fuliginosus, Homot., 124.
fulvo-pubescens, Omot., 217.
furcipes, Atyp., 178.
fusca, Hypol, 254.
fuscatus, Omot., 220.
fusco-costatus, Cceloceph., 148.
generosum, Alloch., 194.
GETHOSYNUS, 179, 295.
gibba, Hypol., 259.
GLENIDION, 93, 291.

Slobosus, Sparn., 266.
rayii, Monop., 8.
griseostriatus, Physim., 92.
hexagona, Te'i(r«r/., 60, 281.
holosericeus, Homot., 126.
HOMAMMATUS, 116, 292.
HOMOTYPHUS, 120, 292.
humerale, Alloch., 183.
humeralis, Loxop., 153.
humero-notatus, Omot., 223.
humilis, Cfericfc., 203.
humilis, Rhinot., 50.
HYDMOSYNE, 172, 295.
HYLODROMUS, 142, 293.
HYPANTHERUS, 95, 292.
HYPOLAMPSIS, 230, 297.
IMATIUM, 260, 298.

impressus, Physim., 71.
impunctipennis, Monop., 21.
inaequalis, Hypol, 236.
inclyta, Hydm., 174.
inconspicuiis, Punch., 140.
inornatus, Physim., 78.
inornatus, Rhinot., 48.
irroratus, Physim., 89.
jucundus, Monop., 13.
juvencus, Physim., 81.
labialis, Physim., 74.
Lacordairii, Hypol, 248.
lacunosus, Homot., 122.
laevigatus, Pm6., 157, 286.
Lemoeides, Euphen., 28.
leptocephalus, Rhinot., 35.
LEPTOTRICHUS, 135, 293.
LITHONOMA, 271, 298.
LOXOPROSOPUS, 149, 286, 294.
lunatum, Alloch., 188.
luteicollis, Physim., 77.
maculicornis, Homot., 127.
marginatus, Loxop., 152.
marginatus, Rhinot., 37.
margwetta, Lithon., 273.
marginicollis, Cerich., 204.
melanotus, Hypol, 233.
meridionalis, Hypol, 249.
METRIOTES, 226, 297.
Miersii, -fifypo/., 237.
Miersii, Monop., 9.
minima, Hypol, 245.
minutus, Physim., 79.
modestus, P%/., 112.
MONOPLATUS, 2, 289.
morosus, Omot., 209.
multicostata, Hypol, 235.
Murraii, Hypol, 239.
nana, Hypol, 241.
nebulosus, Phi/sim., 90.
neglectus, Rhinot., 280.
nigricans, Monop., 17.
nigricornis, Rhinot., 52.
nigrifrons, Eupey., 109.
nigrimanus, Monop., 18.
nigrina, Hypol, 245.
nigripes, Monop., 5.
nigripes, Poe'6., 230.
nigro-marginatiim, Alloch., 190.
nitidulum, Pleur., 134.
nitidus, Homam., 119.
nobilis, .Ecarfc, 170.
nodosus, Omot., 213.
nubilus, Omot., 215.
obscurus, Physim., 80.
obscurus, TJiras., 105.
OCTOGONOTES, 158, 294.

INDEX.

301

(EDIPODES, 1.
olivaceus, Phyl, 113.
OMOTOTUS, 208, 296.
PACHYONYCHIS, 61, 290.
pallidum, Pleur., 134.
pallipes, Rhinot., 50.
PANCHRESTUS, 137, 293.
paradoxus, Pachyon., 63.
parallela, Hypol., 243.
PERIBLEPTUS, 155, 294.

PHJEDROMUS, 66, 291.

PHYLACTICUS, 110, 292.
PHYSAPODES, 1.
PHYSIMERUS, 69, 291.
PHYSONYCHIS, 29, 290.
piceum, Attach., 186.
pilosa, Hypol, 258.
PLEUROCHROMA, 131, 293.
POEBATES, 228, 297.
pollinosus, Phyl, 115.
porculus, Hypol, 258.
porculus, (Edionychis, 287.
praeclara, Eupeg., 108.
prasinus, Phyl., 115.
Presidencies, Monop., 6.
pruinosus, Physim., 91.
pubescens, Apalot., 168.
pulchellus, Ccdoceph., 145.
pulcher, Panch., 139.
pumilio, Hypol., 242.
pygmseus, Cceloceph., 147.
quadripes, Omot., 210.
quatuor-lineatus, Physim., 72.
quatuor-notatus, Monop., 14, 279.
quatuor-pustulatum, Alloch., 191.
regia, Hypol, 252.
revisus, Physim., 77.
KHINOTMETUS, 33, 290.
Robinsonii, Metriot., 228.
robusta, Hypol, 256.
Roicus, 22, 289.
rotundatum, Imat., 263.
rubicundus, Panch., 139.
rubronotatum, G'/ew., 95.
rufescens, Panch., 141.
ruficollis, Rhinot., 45.
rufo-testaceus, Hypan., 101.
rusticus, Physim., 283.
sanguineum, Cyr^., 269.
sanguinicollis, Gethos., 180.

scabrosa, Eupeg., 109.
scutellaris, iSxart., 171.
semichalybeus, Monop., 15.
semiviolaceus, Monop., 17.
sericellum, JEdm., 131.
sericeo-pubescens, Omot., 225.
sericeus, Euphen., 27.
sericeiis, (Edionychis, 287.
sex-maculatum, Alloch., 185.
sex-maculatus, Omot., 222.
sex-maculatus, Roicus, 24.
sex-notatus, Omot., 224.
sex-signatum, Alloch., 193.
sex-signatus, Monop., 14.
signaticomis, Hypol, 240.
smaragdina, Physon., 29.
SPARNUS, 265, 298.
spectabilis, Rhinot., 39.
squalidus, Homot., 126.
squamata, Hypol, 250.
subanchoralis, Tetrag., 58.
suboculatus, Physim., 83.
suborbicularis, Hypol, 260.
sulcicollis, Rhinot., 47.
sumptuosus, Octog., 164.
sylvatica, Hypol, 251.
tenuicornis, Cerich., 200.
TETRAGONOTES, 53, 290.
thoracicus, Octog., 161.
THRASYGCEUS, 102, 292.
tomentosum, Imat., 262.
transverso-notatus, Omot., 225.
trivialis, Physim., 81.
tuberculatus, Omot., 211.
turgidus, Homam., 118.
unda.tus, Thras., 106.
ustulatus, P/M//., 113.
Vellereus, Homot., 123.
velutinum, Jma^., 264.
venustum, Alloch., 189.
vicina, Hypol, 253.
virgatus, Physim., 73.
viridis, (Edionychis, 288.
vittata, Tetrag., 59.
vittatus, Physim., 72.
vulgaris, Physim., 282.
Waterhousii, PA<ec?., 68.
Waterhousii, Rhinot., 44.
Wollastonii, J2bmot, 128.

THE END.

EXPLANATION OF FRONTISPIECE.

Page
Fig. 1. MONOPLATUS GRAYII g

m. Maxillary palpus. k. Front view of head.

n. Labial palpus.

Fig. 2. MONOPLATTTS QFATTJOR-NOTATFS 14

b. Anterior femur and tibia. m. Maxillary palpus.

d. Anterior tarsus. n. Labial palpus.

e. Anterior claw.

Fig. 3. RHINOTMETTJS MARGINATUS 37

m. Maxillary palpus. k. Front view of head.

n. Labial palpus.

Fig. 4. RHIXOTMETTJS CRTTCIATUS 38

/. Posterior femur and tibia. m. Maxillary palpus.

h. Posterior tarsus. n. Labial palpus.

». Posterior claw.

Fig. 5. RHINOTMETTJS DEPRESSES 43

b. Anterior femur and tibia. m. Maxillary palpus.

d. Anterior tarsus. n. Labial palpus.

e. Anterior claw.

Fig. 6. HOMOTTPHTJS LACTJNOSTTS . 122

m. Maxillary palpus. s v. Side view of body.

n. Labial palpus.

Fig. 7. POEBATES NIGRIPES 230

d. Anterior tarsus m. Maxillary palpus.

Posterior femur i
Posterior tarsus.

/. Posterior femur and tibia. n. Labial palpus.

Fig. 8. IMATITJM VELTJTHOJM 264

d. Anterior tarsus. m. Maxillary palpus.

/. Posterior femur and tibia. n. Labial palpus.

h. Posterior tarsus.

EXPLANATION OF PLATE I.

Page
Fig. 1. MONOPLATUS NIGRIPES 5

f. Posterior femur.

Fig. 2. MONOPLATFS DISTINGTJENDUS 7

h. Posterior tarsus. i. Posterior claw.

Fig. 3. MONOPLATTJS BIMACULATUS 11

g. Posterior tibia.

Fig. 4. MONOPLATUS SEXSIGNATUS 14

Fig. 5. ROICUS SEXMACTJLATTJS 24

d. Anterior tarsus. ». Posterior tarsus.

e. Anterior claw. m. Maxillary palpus.

f. Posterior femur and tibia. «. Labial palpus.

Fig. 6. EUPHENGES SERICETJS 27

Fig. 7. ETJPHENGES LEMOEIDES 28

d. Anterior tarsus. m. Maxillary palpus.

g. Posterior tibia. n. Labial palpus.

Fig. 8. PHTSONYCHIS SMAKAGDINA 31

a. Antennae. m. Maxillary palpus.

g. Posterior tibia.

EXPLANATION OF PLATE II.

Fig. 1. BHINOTMETTJS SPECTABILIS 39

Fig. 2. HHINOTMETUS CYANETJS 41

Fig. 3. TETRAGONOTES ELEGANS 55

m. Maxillary palpus. n. Labial palpus.

Fig. 4. TETRAGONOTES ANGULICOLLIS 59

(I. Anterior tarsus. g. Posterior tibia.

Fig. 5. TETRAGONOTES SUBANCHQRALIS 58

h. Posterior tarsus.

Fig. 6. TETRAGONOTES VITTATA 59

Fig. 7. PACHYONYCHIS PARADOXUS 63

a. Antenna. m. Maxillary palpus.

d. Anterior tarsus. «.' Labial palpus

/. Posterior femur.

Fig. 8. EITTORNTJS ArRicANrs 65

m. Maxillary palpus. a. Antenna.

». Labial palpus.

.

EXPLANATION OF PLATE III.

Fig. 1. PH^BDKOMUS WATERHOUSII 68

m. Maxillary palpus. g. Posterior tibia.

n. Labial palpus.

Fig. 2. PHYSIMERUS AMBIGUUS 75

Fig. 3. PHYSIMERUS JUVENCUS 81

m. Maxillary palpus. n. Labial palpus.

Fig. 4. PHYSIMERUS EPHIPPIUM 83

m. Maxillary palpus. n. Labial palpus.

Fig. 5. PHYSIMERUS BILINEATUS 88

Fig. 6. PHYSIMERUS BATESII 89

Fig. 7. PHYSIMERUS IRRORATUS .89

Fig. 8. METRIOTES ROBINSONII 228

m. Maxillary palpus. /. Posterior femur and tibia.

n. Labial palpus.

EXPLANATION OF PLATE IV.

Page
Fig. 1. HYPANTHERUS CONCOLOR .......... 97

c. Anterior tibia. h. Posterior tarsus.

d. Anterior tarsus. m. Maxillary palpus.
ff. Posterior tibia. n. Labial palpus.

Fig. 2. HYPANTHERUS DEYROLLII .......... 100

Fig. 3. THRASYGCEUS EXIMIUS ....... ..... 103

d. Anterior tarsus. m. Maxillary palpus.

ff. Posterior tibia. w. Labial palpus.

Fig. 4. EUPEGES PR^ICLARA ............ 108

g. Posterior tibia. m. Maxillary palpus.

h. Posterior tarsus. n. Labial palpus.

Fig. 5. PHYLACTICUS MODESTUS .... ........ 112

m. Maxillary palpus. d. Anterior tarsus.

n. Labial palpus.

Fig. 6. PHYLACTICUS OLIVACETJS .......... 113

m. Maxillary palpus. g. Posterior tibia.

n. Labial palpus.

Fig. 7. HOMAMMATUS TURGIDUS ........... 118

c. Anterior tibia. m. Maxillary palpus.

d. Anterior tarsus.

Fig. 8. HOMAMMATUS NITIDUS ..... •

a. Antenna. m. Maxillary palpus.

g. Posterior tibia. ». Labial palpus.

h. Posterior tarsus.

EXPLANATION OF PLATE V.

Page
Eig. 1. HOMOTYPHUS HOLOSERICEFS ......... 126

Eig. 2. ^EDMOK SEEICELLUM ............ 131

g. Posterior tibia. m. Maxillary palpus.

Eig, 3. PLEUEOCHEOMA BALTEATUM ......... 133

m. Maxillary palpus. y. Posterior tibia.

n. Labial palpus.

Eig, 4 LEPTOTEICHTTS CASTANEUS .......... 136

m. Maxillary palpus. n. Labial palpus.

Eig, 5. PANCHEESTUS rsrcoNSpicuus ......... 140

m. Maxillary palpus. n. Labial palpus.

Eig. 6. PANCHEESTTJS EUFESCENS , ......... 141

Eig. 7. HYLODEOMTTS DILATICOENIS .......... 143

m. Maxillary palpus. n. Labial palpus.

Eig. 8. CCELOCEPHALTJS PYGMJETJS .......... 147

h. Posterior tarsus. m. Maxillary palpus.

EXPLANATION OF PLATE VI.

Page
Fig. 1. LOXOPROSOPTJS CERAMEOIDES (Cfwr.-Men.) 151

m. Maxillary palpus. k. Front view of head.

n. Labial palpus.

Fig. 2. LOXOPKOSOPUS MAKGINATUS 152

Fig. 3. PEIUBLEPTTTS L^VIGATUS . . 157

m. Maxillary palpus. n. Labial palpus.

Fig. 4. C(ELOCEPIIALFS PT7LCHELLTJS 145

Fig. 5. OCTOGO^OTES BRTJffNEUS 160

m. Maxillary palpus. d. Anterior tarsus.

n. Labial palpus.

Fig. 6. OCTOGONOTES BANGUI (Drap.} 162

Fig. 7. OCTOGO^OTES BINOTATFS 163

g. Posterior tibia.

Fig. 8. OCTOGONOTES STJMPTFOSTJS 164

EXPLANATION OF PLATE VII.

Fig. 1. APALOTRIUS PUBESCENS

m. Maxillary palpus. g. Posterior tibia.

n. Labial palpus.

Fig. 2. EXARTEMATOPUS NOBILIS 170

m. Maxillary palpus. n. Labial palpus.
Fig. 3. EXARTEMATOPUS SCUTELLARIS 171

Fig. 4. HYDMOSYN-E INCLYTA 174

m. Maxillary palpus. o. Mandibles.

n. Labial palpus.

Fig. 5. ATYPHUS COMES 177

m. Maxillary palpus. g. Posterior tibia.

n. Labial palpus.

Fig. 6. GETHOSYNUS SANGUDTCCOLLIS .180

m. Maxillary palpus. g. Posterior tibia.

n. Labial palpus.

Fig. 7. ALLOCHROMA SEXMACULATUM 185

m. Maxillary palpus w. Labial palpus.

Fig. 8. ALLOCHROMA FASCIATUM t . 186

EXPLANATION OF PLATE VIII.

Fig. 1. ALLOCHROMA LUNATUM 188

Fig. 2. ALLOCHROMA SEX-SIGNATTJM 193

Fig. 3. ALLOCHROMA GENEROSUM 194

Fig. 4. CERICHRESTTTS BATESII 199

m. Maxillary palpus. g. Posterior tibia.

n. Labial palpus.

Fig. 5. CERICHRESTFS FLAVICANS 204

Fig. 6. CERICHRESTFS MARGINICOLLIS 204

Fig. 7. CALIPEGES CRISPIJS 207

a. Antenna. m. Maxillary palpus.

Fig. 8. OMOTOTUS NODOSUS 213

m. Maxillary palpus. h. Posterior tarsus.

n. Labial palpus.

EXPLANATION OF PLATE IX.

Fig. 1. OMOTOTTJS SEX-MACTTLATUS 222

Fig. 2. OMOTOTUS SEX-NOTATUS 224

Fig. 3. HYPOLAMPSIS ALBO-GUTTATA 238

w. Maxillary palpus. n. Labial palpus.

Fig. 4. SPAENTJS GLOBOSUS 266

m. Maxillary palpus. w. Labial palpus.

Fig. 5. CYRTON ANISOTOMOIDES 269

m. Maxillary palpus. g. Posterior tibia.

n. Labial palpus.

Fig. 6. IMATIUM TOMENTOSUM 262

m. Maxillary palpus. n. Labial palpus.

Fig. 7. LITHONOMA AFRICANA 272

m. Maxillary palpus. g. Posterior tibia.

n. Labial palpus.

Fig. 8. LITHONOMA CINCTA, Fab 273

CATALOGUES

OF

THE ZOOLOGICAL COLLECTION

IN

THE BRITISH MUSEUM.

I. VERTEBRATA.

List of Mammalia. By Dr. J. E. GRAY, F.R.S., F.L.S. &c. 1843.
2s. Gd.

Catalogue of the Mammalia. By Dr. J. E. GRAY, F.R.S. &c.
Part 1. Cetacea. 12mo, 1850. 4s., with Plates.
Part 2. Seals. 12mo, 1850. Is. Gd., with Woodcuts.
Part 3. Hoofed Quadrupeds. Section I. (Ungulata furci-
peda). 12mo. 1852, with Plates of Genera, 12s.
This work contains the description of the genera and species,
and figures of the chief characters of the genera.

List of Mammalia and Birds of Nepaul, presented by B. IT.
Hodgson, Esq., to the British Museum. By Dr. J. E. GRAY
and G. R. GRAY. 12mo. 1846. 2s.

Catalogue of Mammalia and Birds of New Guinea. By Dr. J.
E. GRAY, F.R.S., and G. R. GRAY, F.L.S. 8vo. 1858. Is. Gd.

With Figures.

List of Genera and Subgeuera of Birds. By G. R. GRAY, F.L.S.
12mo, 1855. 4s.

List of Birds. By G. R. GRAY, F.L.S., F.Z.S. &c.

Part 1. Raptorial. Edition 1, 1844; edition 2, 1848. 3s.
Part 2. Passeres. Section I. Fissirostres. 1848. 2s.
Part 3. Gallinae, Grallee and Anseres. 1844. 2s. (Out of

print.)

Part 3. Section I. Ramphastidse. 1855. Gd.
Part 4. Columba*. 1856. Is. 9d.

List of British Birds. By G. R. GRAY, F.L.S. &c. 12mo. 1850. 4s.
List of the Eggs of British Birds. By G. R. GRAY, F.L.S. &c.
12mo. 1852. 2s. Gd.

Catalogue of Shield Reptiles. By Dr. J. E. GRAY, F.R.S. &c.
Part 1. Testudinata. 4to. 1855. £1 : 10s. With figures
of all the new species, and of the skulls of the
different genera.

Catalogue of Reptiles. By Dr. J. E. GRAY, F.R.S., V.P.Z.S. &c.
Part 1. Tortoises, Crocodiles and Amphisbaenians. 1844. Is.
Part 2. Lizards. 1845. 3s. Gd.

Part 3. Snakes (Crotalida?, Viperidse, HydridaandBoidac).
12mo. 1849. 2s. Gd.

Catalogue of Colubrine Snakes, and Appendix to Part 1. By
Dr. ALBERT GUNTHER. 12mo. 1858. 4s.

Catalogue of Amphibia. By Dr. J. E. GRAY, F.R.S., V.P.Z.S.

Part 2. Batrachia Gradientia. 12mo, 1850. 2s. Gd. With
Plates of the Skulls and Teeth.

Catalogue of Amphibia. By Dr. A. GUNTHER.

Part 2. Batrachia Gradientia. 8vo. 1858. Gs. With Plates.

Catalogue of Fish. By Dr. J. E. GRAY, F.R.S.,F.L.S.,V.P.Z.S,

Part 1. Cartilaginous Fish. 12mo, 1851. 3s. With two
Plates.

These Catalogues of Reptiles, Amphibia, and Fish, contain
the characters of all the genera and species at present known ;
the latter are illustrated with figures of the genera.

Catalogue of Fish, collected and described by L. T. GRONOW.
12mo. 1854. 3s. Gd.

Catalogue of Lophobranchiate Fish. By Dr. J. J. KAUP. 12mo.
1856. 2s. With Plates.

Catalogue of Fish. By Dr. J. J. KAUP. 8vo. With many Plates.
Part 1. Apodes, &c. 185G. 10s.

List of British Fish ; with Synonyraa. Bv A. WHITE, F.L.S. &c.
12mo. 1851. 3s.

List of Osteological Specimens. By Dr. J. E. GRAY, F.R.S. &c.
and G. R. GRAY, F.L.S. 12mo. 1847. 2s..

II. ANNULOSA.

Catalogue of Lcpidoptera. By G. R. GRAY, F.L.S., F.Z.S.
Part 1. Papilionidse, with coloured figures of the new spe-
cies. 4to. 1852. £1 : 5s.

List of Lepidopterous Insects.

Parti. Papilionidai, &c. 12mo. 2nd edit. 1856. By G. R.
GRAY, F.L.S.

Part 2. Erycinida?, &c. 12mo. 1847. 9d. By E. DOUBLE-
DAY, F.L.S.

Part 3. Appendix to Papilionida?, Eryeinidse, &c. 1848. 9cl.

List of Lepidopterous Insects, with descriptions of new species.
By FRANCIS WALKER, F.L.S.

Part 1. Lepidoptera Heterocera. 12mo. 1854. 4s.

Part 2. 1854. 4s. Gd. Part 9. 1856. 4s.

Part 3. 1855. 3s. Part 10. 1857. 3*. Gd.

Part 4. 1855. 3s. Part 11. 1857. 3s. Gd.

Part 5. 1855. 4s. Part 12. 1857. 3s. Gd.

Part 6. 1855. 3s. Gd. Part 13. 1858. 3s. Gd.

Part 7. 1856. 4s. Gd. Part 14. 1858. 4s. Gd.

Part 8. 1856. 3s. Gd. Part 15. 1858. 4s. Gd.

List of British Lepidoptera; with Synonyma. By J. F. STE-
PHENS, F.L.S., and H. T. STAINTON, M.E.S.

Part 1. 12mo. Ed. 2. 1856. 2s. Part 3. 1853. 9d.

Part 2. 1852. 2s. Part 4. 1854. 3s.

List of Hymenopterous Insects. By F. WALKER, F.L.S.

Part 1. Chftlcididw. 12mo. 1846. Is. Gd.

Part 2. Additions to Chaleididie. 1848. 2s.
Catalogue of Hymenopterous Insects. By F. SMITH, M.E.S.

Part 1. Andrenidae, &c. 12mo. 1853. 6s., with Plates.

Part 2. Apidse. 1854. 6s., with Plates.

Part 3. Mutillidae and Pompilidae. 1855. 6s., with Plates.

Part 4. Crabronidae, &c. 1856. 6s., with Plates.

Part 5. Vespidae. 1857. 6s., with Plntes.

Part 6. Formicidae. 1858. 6s., with Plates.

Catalogue of British Hymenoptera. By F. SMITH, M.E.S.
Part 1. Apidae. 12mo. 1855. 6s.

Catalogue of British Formicidcc, Sphegidse, and Vespidae. By
F. SMITH, V.P.E.S.

Catalogue of British Ichneumonidae. By THOMAS DESVIGNES,

M.E.S. 12mo. 1856. Is. *)d.

List of British Aculeate Hymenoptera ; with Synonyma, and the
description of some new species. By F. SMITH. 1851. 2s.
Catalogue of Dipterous Insects. By F. WALKER, F.L.S.
Parti. 12mo. 1848. Part 4. 1849. 6s.

3s. 6d. Part 5. Supplement I. 1854. 4s. Gd.

Part 2. 1849. 3s. Gd. Part 6. Supplement II. 1854. 3s.
Part3. 1849. 3s. Part 7. Supplement lft.1 855. 3*.&f.
Catalogue of Homopterous Insects. By F. WALKER, F.L.S.
With Plates.

Part 1. 12mo. 1850. 3s. Gd. Part 4. 1852. 4s.
Part 2. 1850. 5s. Supplement. 1858. 4s.,

Part 3. 1851. 3s. 6d. with Plates.

Catalogue of Neuropterous Insects. By F. WALKER, F.L.S.
Parti. 12mo. 1852. 2s. Gd. Part 3. 1853. Is.Gd.
Part 2. 1853. 3s. Gd. Part 4. 1853. Is.

Catalogue of Neuropterous Insects. By Dr. HAGEN.

Part 1. Termitina. 12mo. 1858. Gd.
Catalogue of Hispid*. By J. S. BALY, M.E.S. 8vo. 1858. 6s.

With Plates.

Catalogue of Hemipterous Insects. By W. S.DALLAS, F.L.S. &c.
With Plates, Parti. 12mo. 1851. 7s. Part 2. 1852. 4s.
The Catalogues of Hymenopterous, Dipterous, Homopterous
and Hemipterous Insects contain the description of the species in
the Museum which appeared to be undescribed.
Catalogue of British Bruchidae, Curculionidse, &c. By JOHN
WALTON, F.L.S. 12mo. 1856.

Catalogue of Cassululse. By Professor BOHEMAN. 12mo.
1856. 3s.

Catalogue of Coleopterous Insects of Madeira, By T. V. WOL-
LASTON, F.L.S. 8vo. 1857. 3s.

Nomenclature of Coleopterous Insects (with characters of new
species).

Part 1. Cetoniadrc. 12mo. 1847. Is. By A, WHITE,

F.L.S.
Part 2. Hydrocanthari. 1847. Is. 3d. By A. WHITE,

F.L.S.

Part 3. Buprestida?. 1848. Is. By A. WHITE, F.L.S.
Part 4. ClemUe. 1849. Is. Sd. By A. WHITE, F.L.S.
Part 5. Cucujidse. 1851. 6d. By F. SMITH, M.E.S.
Part 6. Passalidse. 1852. Sd. By F. SMITH, M.E.S.
Part 7. Longicornia. By A. WHITE, F.L.S. With Plates.

Parti. 1853. 2s. 6d. Part2. 1855. 3s. 6d.
Part 8. Cassididie. By A. WHITE. 1856. 3s.

ListofMyriapoda. By G.NEWPORT, F.R.S. &c. 12mo. 1844. 4d.

Catalogue of Myriapoda. By G. NEWPORT, F.R.S. &c.
Parti. Chilopoda. 12mo. 1856. Is. 9d.

List of British Anoplura, or Parasitic Insects ; with Synonyma.

By H. DENNY. 12mo. Is.

List of Crustacea ; with Synonyma. By A. WHITE. 1847. 2*.
List of British Crustacea ; with Synonyma. By A. WHITE, F.L.S.

12mo. 1850. 2s. 6d.
Catalogue of Entozoa ; with Plates. By W. BAIRD, M.D., F.L.S.

12mo. 1853. 2s.
Catalogue of British Worms. By G. JOHNSTON, M.D. 8vo.

With Plates.

III. MOLLUSCA.

Guide to the Collection of Mollusca, By Dr. J. E. GRAY, F.R.S.

&c. 8vo. Part 1. 1856. 5s.

Catalogue of the Mollusca. By Dr. J. E. GRAY, F.R.S. &c.
Parti. Cephalopoda Antepedia. 12mo. 1849. 4s.
Part 2. Pteropoda. 1850. Is.

Catalogue of Bivalve Mollusca. By Dr. J. E. GRAY, F.R.S. &c.
Parti. Placuniadae and Anomiadse. 12mo. 1850. 4d.
Part 2. BrachiopodaAncylopoda. 1853.3s. Figures of genera.
Containing the characters of the recent and fossil genera, and
the descriptions of all the recent species at present known.
Catalogue of Phaneropneumona or Operculated Terrestrial Mol-
lusca. By Dr. Louis PFEIFFER and Dr. J. E.GRAY. 1852.5s.

Catalogue of Conchifera. By M. DESHAYES.
Part 1. Veneridse, &c. 12mo. 1853. 3s.
Part 2. Petricolidse. 6d.

List of British Mollusca and Shells: with Svnonvma. Bv
Dr. J. E. GRAY, F.R.S.

Part 1. Acephala and Brachiopoda. 12mo. 1851. 3s. G d.

Catalogue of Pulmonata. By Dr. Louis PFEIFFER and Dr.
J. E. GRAY, F.R.S.
Part 1. 12mo. 1855. 2s. 6d.

Catalogue of Auriculidse, &c. By Dr. J. E, GRAY. F.R.S. 12mo.
1857. ls.9d.

List of the Shells of the Canaries, described by M. D'ORBIGNY.
12mo. 1854. 1*.

List of the Shells of Cuba, described by M. D'ORBIGNY. 12rao.
1854. Is.

List of the Shells of South America, described by M. D'OR-
BIGNY. 12mo. 1854. 2s.

List of the Mollusca and Shells collected and described by
MM. EYDOUX and SOULEYET. 12mo. 1855. 8d.

Catalogue of the Collection of Mazatlan Shells. By P. P. CAR-
PENTER. 12mo. 185/. 8s.

List of Mollusca. By Dr. J. E. GRAY, F.R.S.
Part 1. Volutidze. 12mo. 1858. (id.

Nomenclature of Mollusca. By Dr. W. BAIRD, F.L.S. &c.
Part 1. Cyclophorida:. 12mo. 1851. Is. 6d.

IV. RADIATA.

Catalogue of Marine Polyzoa. By G. BUSK, F.R.S.

Part 1. Chilostoma. 12mo. 1852. 17s. With Plates.
Part 2. Chilostoma. 12mo. 1854. 15s. With Plates.

List of British Radiata; with Synonyma. By Dr. J. E. GRAY,

F.R.S. 12mo. 1848. 4s.
List of British Sponges ; with Synonyma. By Dr. J. E. GRAY,

F.R.S. 12mo. 1848. lOrf.

Catalogue of the Recent Echinida. By Dr. J. E. GRAY, F.R.S.
Part 1. Echinida irregularia. 12mo. 3s. 6d., with Plates.

V. BRITISH ZOOLOGY.

List of the British Animals ; with Synonyma and references to
figures.

Part 1. Radiata. By Dr. J. E. GRAY. 1848. 4s.
Part 2. Sponges. By Dr. J. E. GRAY. 1848. IQd.
Part 3. Birds. By G. R. GRAY. 1850. 4s.
Part 4. Crustacea. By A. WHITE. 1850. 2s. Gd.
Part 5. Lepidoptera. By J. F. STEPHENS. 1850. Ed. 2.
1856. Is. 9d.

Part 6. Hymenoptera. By F. SMITH. 1851. 25.

Part 7. Mollusca Acephala and Brachiopoda. By Dr. J. E.

GRAY. 1851. 3s. Gd.
PartS. Fish. By A. WHITE. 1851. 3s.
Part 9. Eggs of British Birds. By G. R. GRAY. 1852.

2s. Gd.
Part 10. Lepidoptera (continued). By J. F. STEPHENS.

1852. 2s.

Part 11. Anoplura or Parasitic Insects. By H.DENNY. Is.
Part 12. Lepidoptera (continued). By J. F. STEPHENS.

1852. 9d.

Part 13. Nomenclature of Hymenoptera. By F. SMITH.

1853. Is. Ad.

Part 14. Nomenclature of Neuroptera. By A. WHITE.

1853. Gd.

Part 15. Nomenclature of Diptera. By A. WHITE. 1853. Is.
Part 16. Lepidoptera (completed). By II. T. STAINTON,

M.E.S. 1854. 3s.

Catalogue of British Hymenoptera (Bees). By F. SMITH. 1855.
6s., with Plates.

Catalogue of British Ichneumonida?. By THOMAS DESVIGNES,

M.E.S. 12mo. 1856. Is. 9d.
Catalogue of British Bruchidae, Curculionidae, &c. By JOHN

WALTON, F.L.S. 12mo. 1856.

N.B. — These Catalogues can be obtained at the Secretary's Office
in the BRITISH MUSEUM ; or through any Bookseller.

VI. BOOKS ILLUSTRATING OR DESCRIBING PARTS OF
THE ZOOLOGICAL COLLECTIONS.

The Illustrated Natural History. By the Rev. J. G. WOOD,
M.A., F.L.S. &c. New edition. 12mo. 1855.

Illustrations of Indian Zoology, from the Collection of Major-
General Thomas Hardwicke. By Dr. J. E. GRAY, F.R.S.
Folio. 2vols. 1830-1835.

Zoology of the Voyage of H.M.S. Beagle. Edited by CHARLES

DARWIN, F.R.S. 4to. 1840-1844.
Zoology of the Voyage of ILM.SS. Erebus and Terror. Edited

by Sir JOHN RICHARDSON, M.D., F.R.S. &c., and Dr. J. E.

GRAY, F.R.S. 4to. 1844-1845.

British Museum — Historical and Descriptive. 12mo. 1855.

Natural History of the Animal Kingdom. By W. S. DALLAS,
F.L.S. &c. 'Post 8vo. 1855.

Zoological Miscellany. By W. E. LEACH, M.D., F.R.S. 8vo.
3 vols,

SpicilegiaZoologica. By Dr. J.E. GRAY, F.R.S. 4to. 1829-1830.

Zoological Miscellany. By Dr. J. E. GRAY, F.R.S. 8vo. 1831.
Knowsley Menagerie. Part 2. Hoofed Animals. By Dr. J. E.
GRAY, F.R.S. Folio. 1850.

A Monograph of the Macropodidaa. By JOHN GOULD. F.R.S.
Folio. 1841-1844.

Mammals of Australia. By JOHN GOULD, F.R.S. Folio. 1845.
Popular History of Mammalia. By A. WHITE, F.L.S.
Popular History of Birds. By A. WHITE, F.L.S.
Genera of Birds. By G. R. GRAY, F.L.S. Illustrated by plates
by D.W. MITCHELL, Sec. Z.S. Folio. 3 vols. 1844-1849.
The Birds of Jamaica. By P. H. GOSSE, F.R.S. Svo. 1847.

Illustrations of the Birds of Jamaica. By P. H. GOSSE, F.R.S.
Svo. 1849.

Monograph of Ramphastidse. By JOHN GOULD, F.R.S. Folio.
Birds of Australia. By JOHN GOULD, F.R.S. Folio. 1848.

Report on the Ichthyology of the Seas of China and Japan. By
Sir JOHN RICHARDSON, M.D., F.R.S. 8vo. 1846.

Fauna Boreali- Americana. The Fish. By Sir JOHN RICHARD-
SON, M.D., F.R.S. &c. 4to. 1836. With Plates.

Synopsis Reptilium. Part 1. Cataphracta. By Dr. J. E. GRAY,
F.R.S. 8vo. 1831.

Illustrations of British Entomology. By JAMES F. STEPHENS,
F.L.S. 10 vols. Svo. 1827-1835.

A Systematic Catalogue of British Insects. By J. F. STEPHENS,
F.L.S. Svo. 1829.

The Nomenclature of British Insects. By J. F. STEPHENS,
F.L.S. Svo. 1829 & 1833,

A Manual of British Coleoptera. By J. F. STEPHENS, F.L.S.
12mo. 1839.

Insecta Britannica. Diptera. By F. WALKER, F.L.S. Svo.
1851-1856.

Monographia Chalciditum. By F. WALKER, F.L.S. Svo. 1839.
Entomology of Australia. Parti. Phasmidse. ByG.R.GRAY,

F.L.S. 4to.
Synopsis of species of Phasmidse. By G. R. Gray, F.L.S. 8vo.

1S35.
Genera of Diurnal Lepidoptera. By EDWARD DOUBLEDAY,

F.L.S., and J. O. WESTWOOD, F.L.S. Illustrated by W. C.

Hewitson. 4to. 2 vols. 1846-1850.
Monographia Anoplurorum Britannise, or British species of

Parasitic Insects, By HENRY DENNY, F.L.S. Svo. With

Plates.

8

Fauna Boreali- Americana. The Insects. By W. KIRBY, F.R.S.

4 to. 1837. With Coloured Plates.
Insecta Maderensia. By T. VERNON WOLLASTON, M.A.,F.L.S.

4to. 1854. With Plates.
Malacostraca Podophthalmia Britannia. By W. E. LEACH,

M.D., F.R.S. 4to. 1817-1821.

A Monograph of the Subclass Cirripedia. By CHARLES DARWIN,
F.R.S. 8vo. 2vols. 1854.

Natural History of the British Entomostraca. By W. BAIRD,
M.D., F.L.S. &c. 8vo. 1850.

Figures of Molluscous Animals, for the use of Students. By
MARIA EMMA GRAY. 5 vols. 8vo. 1850-1857.

A Synopsis of the Mollusca of Great Britain. By W. E. LEACH,
M.D., F.R.S. 8vo. 1852.

Catalogue of the Land Shells of Jamaica. By C. B. ADAMS.
8vo. 1851.

Catalogue of Testaceous Mollusca of the North-east Atlantic

and neighbouring Seas. By R. MACANDREW, F.R.S. 8vo.

1850. "
Illustrations of the Geology of Yorkshire. By JOHN PHILLIPS,

F.R.S. 4to. 1836.
A Monograph of the Crag Mollusca. By SEARLES V. WOOD,

F.G.S. 4to. 1850.
A History of British Starfishes. By EDWARD FORBES, F.R.S.

8vo.
A History of the British Zoophytes. By GEORGE JOHNSTON,

M.D. 8vo. 1838.— Ed. 2. 8vo. 1847.
A History of British Sponges and Lithophytes. By GEORGE

JOHNSTON, M.D. 8vo. 1842.
A Synopsis of the British Diatomaceae. By W. SMITH, F.L.S.

8vo. 2 vols. 1854-1856. . The Plates by T. West.
Proceedings of the Zoological Society. Series 1 and 2.
Transactions of the Entomological Society.

Januarv 1859.

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Subject to Keca

IRVINE

JUN 9 - 198

UNIVERSITY OF CALIFORNIA, BERKELEY
FORM NO. DD4-Q, 4m, 1 1 778 BERKELEY, CA 94720