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Full text of "Adephagous and clavicorn Coleoptera from the Tertiary deposits at Florissant, Colorado, with descriptions of a few other forms and a systematic list of the nonrhynchophorous Tertiary Coleoptera of North America"

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MONOGRAPHS 


OF THE 


UNITED STATES GEOLOGICAL SURVEY 


Ve@ AeA WMeR Xen 


WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1900 


UNITED STATES GEOLOGICAL SURVEY 
CHARLES D. WALCOTT, DIRECTOR 


—ADEPHAGOUS AND CLAVICORN COLEOPTERA 


FROM THE 


TERTIARY DEPOSITS AT FLORISSANT, COLORADO 
DESCRIPTIONS OF oe OTHER FORMS 
Jae eye eee LIST 
NON-RUYNCHOPHOROUS feat OP NORTH AMERICA 


SAMUEL HUBBARD SCUDDER 


WSAS SS ENION (Ga ORN 
GOVERNMENT PRINTING OFFICE 
1900 


Letter of transmittal 
Introduction 
Meseriptions) Of SPCCles === see = a= om amma = ala a ae mai aaa i 
(GENER DIGS 55 Stes Be nec op on ne eon Sade agme goa c es hose anabadcceaSssoasocreSscesegsasesneascse 
IDNANIT OED Go 352 Gaara seeeae couse seco qseh aaccaant aasengs sco saqcasu oncese ween SchassocqaS 
lahyebxoenlih 2! poe = a5 eee ece anos so soe son saeeGocrserocesesesos sean ls 58S sae sss snes aneon = 
Spee aoe sens S ce coecoeoeasos poepaco paneeSOesune =sSSamoREESseeccosssens Be eee 
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(Clytaiaallittht 8 6a 5 ee sno ese ea ane ost eeU Ses so eusas ak aetoaase sAcsama Get acaadestaesaadece 
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G@rrypptop lagi cee aye a a ale arm mate at ma al ae stolen alm asia eo ea 
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[shed Whos onens eon ono nere oe en bobSeo se res sss onmagecede somes sco SccSSueec cd sesescesesss 
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TRUS WOES € os ya ose cer sabe cous sooSep esse cus sneocasosbaacosersacaseneacssorsseneaaneas 
lbp ppaeho ess sscceceoeeos soo nee sass on au ooo Seon a6 aScSeHabesad sSeesarsdeosaseosenones 
timid’ sete ee ew ere ee ee Seine Ses eee ne sein ae Serene cise eine: sesmereae cee 
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COIN Es Niels? 


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IS (Ganabideemespeciallyispeciesion Amaras: 2-622 ose o-oo nee nee ae ee eee eee e ne 
BRU eve Fe On Us ES Se ee te oka Se oe eer ee ae ieee UES ee a SAN 
TEs Cara bidse sD vitiseld sa, see 8s an eee eal eee sete Cte eee SEMEL es. 
V. Hydrophilidi, Silphidie, Staphylinide..............................- Be eee aa 
WAL, heya onabianCEs See Horesgecosecgunbooc soe SS eR rs nhs eT A nee 
We S tap hielinid csr ate se ce pee acl tok eee ie ue Me rey eo eck oe Ale ne Pe 
pVANITET secs canto ylang ses seine se see aie sas 2,2 ee SE Ae oh meter Span ee a= yy ee 
IX. Staphylinidee, Coecinellidee, Cucujidie, Dermestidee, Nitidulide ............2..22---- 
2K, LSAT Jeevan Heya Gb nance sa hes eet ee eee eae Se ook Seen ee Ss ae ee 
XI. Buprestidee, Lampyridee, Scarabieidee, Cerambycidee, Chrysomelide, Bruchidee ._.___ 


GEE ROM at he AaNeS Velie Agee 


CAMBRIDGE, Massacuuserts, December 22, 1897. 
Sir: I send herewith for your acceptance a descriptive account of the 
Adephagous and Clavicorn Coleoptera of the Tertiary beds of Florissant, 
Colorado, together with a catalogue of the non-rhynchophorous fossil 
Coleoptera of North America, intended as a complementary volume to my 
Monograph, already published by the Survey, on the Tertiary Rhynchoph- 
orous Coleoptera of the United States. ; 
Very respectfully, yours. 
SaMuEL H. ScuppeEr. 
Hon. (Oy DY WALCOTT, 
Director U.S. Geological Survey. 


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ADEPHAGOUS AND CLAVICORN COLEOPTERA 
OF FLORISSANT. 


By Samureu H. ScuppEr. 


INTRODUCTION. 


In Monograph XXI of the United States Geological Survey the 
rhynchophorous Coleoptera of North America are fully treated. It was 
considered as ‘‘a first installment toward a history of our fossil Coleoptera,” 
which it was then intended should be followed by several other similar 
volumes treating in succession the other great divisions of the Coleoptera. 
The reasons for first undertaking the publication of the Rhynechophora 
were given in that volume. Work had, however, already progressed at the 
other end of the Coleopterous series, as explained in my report of July 1, 
1887,' and at that time nearly all the descriptions in the present volume 
had been drawn up. Change of circumstances has prevented me from being 
able to carry out the work as 1 had planned, and accordingly the present 
volume has been undertaken to complete temporarily the Coleopterous series. 
All the hitherto published non-rhynchophorous Coleoptera are catalogued, 
and in their proper place are given descriptions of all new forms and of those 
few species (five in number) and genera (two) which had been published 
in scattered papers by the United States Geological and Geographical Survey 
of the Territories. These new descriptions are almost exclusively confined 
to the Adephagous and Clavicorn families, and include all the species in 
these families known to me from the Florissant basin. Those from other 
Western deposits have not been studied or, indeed, assorted from the con- 
siderable mass of still unstudied material in my hands, most of which has 
come into my care within the last nine years, 1. e., since these studies were 


undertaken. 


'Kighth Ann. Rept. U. 8. Geol. Survey, pp. 188-189. 


12 TERTIARY COLEOPTERA OF NORTH AMERICA. 


The volume is, therefore, mainly a treatise on the Adephagous and 
Clavicorn Coleoptera of Florissant, but is at the same time a catalogue of 
all hitherto known or here published non-rhynchophorous Coleoptera ot 
North America (26 families, 125 genera, 210 species) As in the volume 
on the Rhynchophora, I have prefixed to each genus and family a summary 
of our knowledge of the extinct forms in the given group, brought up to 
the date of writing (August, 1896). 

I still retain the hope of completing the history of our fossil Coleoptera, 
if not by extended memoirs embracing long series, at least by the publica- 
tion of more limited papers upon separate families. The material therefor 


is vast, but other engagements prevent rapid execution of my desires. 


DESCRIPTIONS OF SPECTES. 
CARA BID 44. 


More than two hundred species of Carabidze have been found fossil, 
referred to fifty-four genera, of which six are regarded as extinct. Thirty- 
two of these species, belonging to fourteen genera (of which only two are 
not otherwise recorded as fossil), are referred to existing species and occur 
only in the Pleistocene of Europe. Omitting these, there are one hundred 
and seventy-two fossil species, of which fifty-four (of twenty-four genera) 
belong to the Pleistocene, twenty-seven species of fourteen genera in the 
Old World, and the same number of species of ten genera in North America. 
From the older Pertiaries, one hundred and eighteen species are known of 
forty-four genera (six extinct), viz, eighty-five species of thirty-four genera 
(five extinet) in the Old World, and thirty-three species of twenty-six 
genera (one extinct) in the New World. No species have been found on 
both continents. Of the forty-four genera trom the older Tertiaries, thirty- 
four are found in the Old World, nineteen in the New, and nine in both. 


Fourteen genera are represented both in the older and latest Tertiaries. 
CYCHRUS Fabricius. 


The only fossil species of this genus known are the two here recorded 
and one other, C. rostratus Linn., a recent species, stated by Flach to occur 


in the Pleistocene of Hosbach, Bavaria. 


CARABID. 183 


A fossil species from Wyoming, formerly described by me as a Cychrus, 
has been found to belong to the Carabini. 
The existing species of the @enus, which are numerous, are mostly 


found in north temperate America and Europe. 
CYCHRUS WHEATLEYI. 
Cychrus wheatley Horn, Trans. Am. Ent. Soc., V, 242 (1876); Seudd., Tert. Ins. 
N. A., 536-537, pl. 1, fig. 1 (1890). 


Bone caves of Pennsylvania. 
(CCYCHRUS MINOR. 


Cychrus (minor) Horn, Trans. Am. Ent. Soc., V, 248 (1876). 
Cychrus minor Seudd., Tert. Ins. N. A., 537-538, pl. 1, fig. 2 (1890). 


ta} 


Bone caves of Pennsylvania. 
NOMARETUS LeConte. 


As existing to-day, this is a genus with few species, confined to the 
United States east of the Rocky Mountains. No other species than the one 


here described has been found fossil. 
NOMARETUS SERUS sp. nov. 
Pl. I, fig. 1. 


About the size and of much the general appearance of N. imperfectus 
Horn. A single well-preserved specimen, showing nearly all the parts of 
the body. it has a remarkably broad and little elongate head for this 
group, but the whole form, the character of the appendages, and the deeply 
cleft labrum indicate this place for it. The head is fully three-quarters as 
broad as the thorax, tapering rapidly in front of the somewhat prominent 
eyes, so that the labrum is rather less than half as wide as the head, and 


before the labrum about as long as broad. The labrum is somewhat 


obscure, but it is apparently two-thirds as long as broad, very deeply 
and widely cleft. Mandibles moderately stout, finely pointed, and rather 
strongly hooked. Maxillary palpi moderately slender, about a third as 
long as the antenne, the penultimate joint gradually enlarged at the apex, 
the last joint subtriangular, angulate in the middle, twice as long as broad 


14 TERTIARY COLEOPTERA OF NORTH AMERICA. 


Antenne nearly as long as the elytra, with the basal three joints larger and 
more rounded than the succeeding; but the preservation does not permit 
of noting what joints were glabrous. Pronotum subquadrate, broadest in 
the middle, tapering gently in front, rapidly behind; front margin broadly 
convex with no median excision, the lateral angles well rounded ; posterior 
border produced somewhat, roundly angulate, the disk strongly depressed 
in a longitudinal mesial band, broadening anteriorly ; lateral margin simple. 
Elytra very regularly ovate, nearly twice as broad as the pronotum, 
broadest a little behind the middle, the strive, apparently to the number of 
about a dozen on each elytron, similar and shehtly impressed, the outer 
border narrowly margined. 

Leneth to tip of maxille, 7 mm.; breadth across elytra, 38 mm.; length 
of antennz, 3.5 mm. 

Florissant, Colorado, one specimen, No. 12086. 


NEOTHANES Scudder. 


An extinct genus, founded upon the present species, allied to Carabus. 
The species was formerly referred by me to Cychrus, but evidently belongs 


to the Carabini. The genus is described in my Tertiary Insects. 


NEOTHANES TESTEUS. 
Pits >: 
Cychrus testeus Scudd., Bull. U. S. Geol. Geogr. Surv. Terr., IV, 758-759 (1878). 
Neothanes testeus Scudd., Tert. Ins. N. A., 535-536, pl. VII, figs. 32, 39 (1890). 


Green River, Wyoming. 


CARABUS Linné. 


A widespread genus, prolific in species, found in the north temperate 
regions and in a few south temperate districts. Three of the existing 
European species have been reported from the Pleistocene of Switzerland, 
England, and Poland, and as many more extinet species trom the Pleisto- 
cene of Poland. Omboni also figures a species from the marls of Italy. 
But excepting that the genus has been recognized in amber, no species but 


that here described has been noted from the earlier Tertiaries. 


CARABID/. 15 


CARABUS JEFFERSONI sp. nov 
PL. I, figs. 6, 10. 


Two entirely different specimens are referred here to a single species, 
one of them showing the head with the appendages, the other a nearly 
pertect elvtron. Both are of about the size of an ordinary Carabus, and 
though neither agrees well with that genus in certain particulars, there 
seems to be no other with which they agree so well. The head is smooth. 
slightly tapering forward, just as broad behind the eyes as the length to the 
tip of the emarginate labrum; well pronounced, straight, slightly convergent, 
supraorbital ridges run backward from the outer base of the clypeus. 
Labrum deeply and roundly emargimate. Mandibles stout. Maxillary palpi 
extraordinarily stout for a Carabus, the joints being subequal, full and large, 
not more than twice as long as broad, together not nearly so long as the 
breadth of the head. Labial palpi entirely similar and correspondingly 
smaller. Antenne 11-jointed, the second joint a little less than half as 
long as the third, the latter apparently cylindrical, the whole antenna rather 
short, being only about a little more than twice as long as the head, while 
it is usually three times as long as the head. 

The elytron, which is of just the proper size to match the head, but 
which, beg on a different stone, may of course belong to a distinct species, 
is placed here because it, too, differs in a similar way from Carabus. It is 
not perfect, the base being broken, but it is nearly complete, its original 
shape somewhat distorted by flattening, and shows the under surface. Ten 
punctate striz are seen, of which the five on the sutural side are much 
less crowded than those next the outer margin. Near the middle of the 
elytron, on the fifth stria, can be very obscurely seen a pair of foveze of 
large size, about as broad as the interspaces, and separated from each other 
by more than double that distance. The puncta, seen as slight elevations 
in the specimen, are much coarser on the crowded than on the more distant 
striae. 

Length of head, including mandibles, 5 mm.; of antennze, 8.25 mm.; 
breadth of head behind eyes, 3.65 mm.; length of maxillary palpi, 2.65 mm.; 
breadth of basal joint at apex, 0.5 mm.; length of fragment of elytron, 11 
mm.; breadth of elytron, 5 mm. 

Florissant, Colorado; two specimens, Nos. 4264, 14139. 


16 TERTIARY COLEOPTERA OF NORTH AMERICA. 


Dedicated to the honored memory otf President Thomas Jefferson, one 


of the earliest writers on American paleontology. 


CALOSOMA Weber. 


This genus is at present less numerous in species than the preceding, 
but has much the same range. Over twenty-five species are recorded from 
North America. The fossil species are, however, more numerous in the 
early and middle Tertiaries than are those of Carabus, for no less than 
eleven species are described from Aix, Oeningen, Switzerland, and the 


Rhine, besides the one from Florissant here recorded. 


CALOSOMA EMMONSII sp. hoy. 
Jello be itee Ai 


Represented by an excellently preserved elytron, with subparallel sides 
and eighteen strie, of which fourteen are equidistant, equally and gently 
impressed, while the others are crowded together next the outer border, and 
only distinet on the apical half of the elytron. The interspaces are gently 
convex and broken by finely impressed lines into quadrate cells which are 
generally about two-thirds as long as broad, and are in all parts very obscure. 
The figure on the plate is not magnified enough to show these. No foveze 
whatever can be seen. The species is nearest C. willcoxt of any of our 
native forms and agrees fairly well with it in size and shape; in that species 
the fovew are very slight. It agrees still better with the fossil species C. 
escheri and C. deplanatum Weer from the Miocene of Oeningen, but both of 
these species are very much larger and punctato-striate, while in our species 
no sign of punctures appears. 

Leneth of elytron, 18 mm.; breadth, 4.5 mim. 

Florissant, Colorado: one specimen, Nos. 20 and 71. 

The species is named for my honored instructor, the late Dr. Ebenezer 


Emmons. 
ELAPHRUS Fabricius. 


The present is the only known fossil species of this north temperate 


genus, excepting one which has been indicated from Oeningen. 


CARABIDb. ite 


ELAPHRUS IRREGULARIS. 
Elaphrus irreqularis Seudd., Tert. Ins. N. A., 534, pl. 1, fig. 56 (1890); Contr. Canad. 
Paleont., Li, 56 (1892). 


Clay beds of Scarboro, Ontario. 
LORICERA Latreille. 


This is a small group of beetles, mostly confined to boreal America 
and Siberia, of which the species here recorded are the only ones known as 
extinct. 

LorICERA GLACIALIS. 

Loricera glacialis Seudd., Bull. U. S. Geol. Geogr. Surv. Terr., II, 763 (1877); Tert. 
Ins. N. A., 533, pl. 1, figs: 50, 57 (1890); Contr. Canad. Paleeont., II, 55 (1892). 
Clay beds of Scarboro, Ontario. 

LorRICERA? LUTOSA. 

Loricera ? lutosa Seudd., Tert. Ins. N. A., 533-534, pl. il, fig. 32 (1890); Contr. 

Canad. Paleeont., TI, 56 (1892). 


Clay beds of Scarboro, Ontario. 
NEBRIA Latreille. 


A north temperate genus rich in species, of which twenty or more are 
known from North America. Besides the fossil species here recorded, the 
genus has been recognized in amber, and two species have been described 
from Aix and Oeningen. 


NEBRIA PALEOMELAS. 


Nebria paleomelas Scudd., Rept. Prog. Geol. Sury. Can., 1877-78, 179B (1879); 
Tert. Ins. N. A., 532, pl. 2, fig. 20 (1890); Contr. Canad. Paleont., II, 54-55 
(1892). 


Nicola River, British Columbia. 
NEBRIA OCCLUSA sp. Nov. 
PI. I, fig. 3. 
A single elytron, broadest in the middle, the humeral angle wel! rounded, 
of about the shape of that of N. pallipes Say, finely and sharply, but shal- 


lowly striate, the strive scarcely punctured, the interspaces scarcely convex, 
MON Ss 


18 TERTIARY COLEOPTERA OF NORTH AMERICA. 


the surface slightly roughened, the color testaceous. It differs from any 
Nebria I have seen in that the sutural stria runs uninterruptedly to the base, 
while a short, oblique, faint, supplementary stria runs between the first and 
second strive into the former near the base. 

Length of elytron, 7.25 mm.; breadth, 2.75 mm. 

Florissant, Colorado; one specimen, No. 16382. 


BEMBIDIUM Latreille. 


Of this dominant genus, dominant especially in the north temperate 
zone, and of which more than one hundred and twenty species are known in 
America, a number have been found fossil. Most of these, including five 
existing species and ten in all, are confined to the Pleistocene of France, 
Bavaria, Galicia, Ohio, and Canada; the others, seven in) number, come 
from the middle and lower Tertiaries of Radoboj, Aix, Amber, and Colorado, 
while the genus has been recognized also at Oeningen and in Alsatia. The 
following species are included in the above enumeration: 


BEMBIDIUM EXOLETUM. 


Bembidium exoletum Seudd., Bull. U. S. Geol. Geogr. Surv.elern. wis (1876); 
Tert. Ins. N. A., 5380-531, pl. 5, figs. 121, 122 (1890). 


White River, Colorado. 
BEMBIDIUM GLACIATUM. 


Bembidium glaciatum Seudd., Tert. Ins. N. A., 531, pl 1, fig. 40 (1890); Contr. 
Canad. Paleeont., II, 58-54 (1899). 
Clay beds of Searboro, Ontario. 
BEMBIDIUM FRAGMENTUM. 


Bembidium fragmentum Scudd., Tert. Ins. N. A., 531-532, pl. 1, fig. 45 (1890); Contr. 
Canad. Palweont., I], 54 (1892). 


Clay beds near Cleveland, Ohio. 
BEMBIDIUM OBDUCTUM sp. noy. 
Pl eno ao 


Allied to B. simplex LeC. The head is of the usual form, with large 


projecting eyes, and the antenne are long and slender, with lone and 


CARABIDE. LS) 


slender cylindrical joints; the thorax is unusually quadrate, tapering but 
little posteriorly (though this may be only in appearance, through the par- 
tially lateral manner of its preservation), with well-rounded angles and 
truneate base and apex; there is a slight median impressed line and the 
surtace is very delicately scabrous, with a slight tendency to a transverse 
arrangement of the roughnesses. Elytra uniformly striate throughout, the 
stri apparently most delicately and faintly punctulate, though this is 
hard to determine, as the specimen is preserved in reverse and the strize 
appear as ridges. 

Length of body, 5 mm.; width of elytra, 2 mm. 

Florissant, Colorado; one specimen, No. 11790. 


BEMBIDIUM TUMULORUM sp. Nov. 
Pl. I, fig. 2. 


Of the same size as the last (B. obductwm), but differing from it mark- 
edly in the form and structure of the thorax, which is considerably broader 
than the head, broadest in the middle of the anterior half, and rapidly taper- 
ing posteriorly to near the tip, when it tapers less rapidly, being thus sub- 
cordate. There is a median impressed line and the surface is longitudinally 
and very delicately corrugate in wavy lines. The rest of the body is very 
obscurely sculptured, but the elytra are apparently uniformly striate, at 
least at base, and distinctly punctate. 

Leneth of body, 5 mm.; width of elytra, 2 mm. 

Florissant, Colorado; one specimen, No. 1.601, Princeton College col- 
lection. 

PATROBUS Dejean. 

This genus has been found fossil only in the Pleistocene. The exist- 
ing European species, P. excavatus Payk, has been recognized in France 
and Bavaria, and a couple of extinct species have occurred in Galicia and 
Canada. The present distribution of the genus is in the boreal portion of 
the north temperate zone. 

PATROBUS GELATUS. 
Patrobus gelatus Scudd., Tert. Ins. N. A., 580, pl. 1, fig. 48 (1890); Contr. Canad. 

Paleont., II, 53 (1892). 


Clay beds of Scarboro, Ontario. 


20 TERTIARY COLEOPTERA OF NORTH AMERICA. 


MYAS Dejean. 


Both the species of Myas here described agree closely together and 
differ from the species now belonging to the United States fauna in the 
shortness of the antennz, the form of their joints, and the apical elongation 
of the hind trochanters, but they agree so closely im all other features, 
including the dilatation of the terminal joint of the labial palpi, and so cer- 
tainly belong to the Pterostichini by all the available characters, including 
the three glabrous basal joints of the antennze, the structure of the mentum, 
the quadrisetose ligula, and the elytra without dorsal puncture, that there 
can be no doubt they belong either in the nearest neighborhood of Myas 
or strictly within that genus. _ 

No other fossil species of the genus are known. It is a small group, 


with only a single European and two North American species. 


MYAS RIGEFACTUS sp. Ov. 
PL. I, fig. 4. 


A single specimen shows an inferior surface through which the striation 
of the elytra can be seen, and is very pertectly preserved. The short and 
stout antenne, the enlarged palpi, and the structure of the hind legs appear 
to agree better with Myas than with any other genus. The general form of 
the body, with the proportions of head, thorax, and abdomen and the exact 
shape of the thorax agree perfectly with M. cyanescens De}. The antennze 
differ somewhat; they are 11-jointed, about half as long only as the elytra, the 
first joint a little larger than the others, the terminal oval, the remainder 
subequal, about half as long again as broad, not very strongly constricted 
at the base, and squarely truncate apically. Mandibles, labrum, and palpi, 
as well as the prominence of the prosternum, much as in Myas. Hind 
cox attingent at the tip of a broad triangular extension of the abdomen; 
hind trochanters very large, nearly two-thirds as long as the femora and 
separated from them by an unusually straight suture, the apex pointed. 
Faint signs of simple elytral striz seen through the body (not shown in the 
figure) indicate a close resemblance to MW. cyanescens. 

Length of body, 13 mm.; length of elytra, 7.6 mm; breadth of elytra, 
5.2 mm.; length of antennee, 3.5 mm. 


Florissant, Colorado; one specimen, No. 9173. 


CARABIDZ. 21 


Myas UMBRARUM sp. nov. 
PL. I, fig. 11. 


Several specimens are preserved, but only one is in a condition at all 
satisfactory. This is preserved both in obverse and reverse, one showing 
best the upper surface (but as a cast), the other the under surface. As the 
antenne, legs, and mouth parts are almost all excellently preserved, there 
is little left to be desired. The species is a little smaller and stouter than 
the living M. cyanescens De}. or the fossil MW. rigefactus, just described, and 
has comparatively shorter elytra. The antennze are about three-quarters 
the length of the elytra, with joints far less moniliform than in the recent 
species, the first joint much stouter than the rest, the second quadrate, the 
terminal oval, the remainder subequal, nearly twice as long as broad, and 
shaped as in the preceding species, but more rounded apically. Laterally 
the prothorax is regularly and gently convex and delicately margined, with 
a distinct median furrow and very slightly impressed basal impressions. 
The elytral strive are not punctured, the first stria is slightly angulate at the 
base, and outside, from the extreme base of the second stria, running 
obliquely into it and subparallel to its basal course, is a brief supplementary 
stria, faintly impressed. The hind tarsal joints are of more nearly uniform 
leneth than in M. cyanescens and with shorter terminal spines, and the hind 
tibize are not apically dilated to such an extent as in the living species with 
which we have compared it. The structure of the hind trochanters is 
exactly as in M. rigefactus, from which species it differs in its greater 
stoutness, the more obconic forms of the antennal joints, and the more 
regularly convex sides of the pronotum. 

Length of body, 11.65 mm.; of elytra, 6.75 mm.; breadth of elytra, 
4.8 mm.; length of antennee, 4.2 mm.; of hind tibiae, 2.6 mm. 

Florissant, Colorado; three specimens, Nos. 503, 8457 and 9208,14138. 


PTEROSTICHUS Bonelli. 


This is another dominant genus of Carabidze, north temperate in char- 
acter, though with some Australasian forms, and of which considerably 
more than a hundred species are known in North America. It has been 
found in considerable numbers in Pleistocene deposits, half a dozen recent 
species having been recorded from England, Switzerland, and Galicia, 


22 TERTIARY COLEOPTERA OF NORTH AMERICA. 


while eleven extinct forms are recognized in Germany, Galicia, Pennsyl- 
yania, Ohio, and Canada. Besides these, in the older Tertiaries two species 
are here described from Florissant, three have been described and two 
others indicated from Oeningen, and the genus has been recognized in 
amber. 


PTEROSTICHUS ABROGATUS. 


Pterosiichus abrogatus Scudd., Tert. Ins. N. A., 525, pl. 1, fig. 39 (1890); Contr. 
Canad. Paleeont., II, 50 (1892). 


Clay beds of Scarboro, Ontario. 
PreROSTICHUS DORMITANS. 


Pterostichus dormitans Scudd., Tert. Ins. N. A., 526, pl. 1, figs. 49, 55 (1890); Contr. 
Canad. Paleont., II, 50-51 (1892). 


Clay beds in the vicinity of Cleveland, Ohio. 


PTEROSTICHUS DESTITUTUS. 


Pterostichus destitutus Scudd., Tert. Ins. N. A., 526, pl. 1, fig. 44 (1890); Contr. 
Canad. Paleont., IJ, 51 (1892). 


Clay beds of Scarboro, Ontario. 


PTEROSTICHUS FRACTUS. 


Pterostichus fractus Seudd., Tert. Ins. N. A., 527, pl. 1, figs. 29, 30 (1890); Contr. 
Canad. Paleont., II, 51 (1892). 


Clay beds of Scarboro, Ontario. 
PTEROSTICHUS DESTRUCTUS. 


Pterostichus destructus Scudd., Tert. Ins. N. A., 527, pl. il, fig. 46 (1890); Contr. 
Canad. Paleont., II, 51-52 (1892). 


Clay beds of Scarboro, Ontario. 


PTEROSTICHUS GELIDUS. 


Loxnandrus gelidus Seudd., Bull. GW: S. Geol. Geoer. Surv. Terr. JOU. 763-764 (1877). 
Pterostichus gelidus Scudd., Tert. Ins. N. A., 527-528, pl. 1, figs. 52, 59-61 (1890); 
Contr. Canad. Paleont., II, 52-53 (1892). 


Clay beds of Scarboro, Ontario. 


CARABIDZA. 23 


PTEROSTICHUS LAVIGATUS. 


Pterostichus sp. Horn, Trans. Am. Ent. Soc., V, 245 (1876). 


+ (1890). 
Bone caves of Pennsylvania. 
PTEROSTICHUS? sp. 


Pterostichus? sp. Horn, Trans. Am. Ent. Soc., V, 248 (1876); Scudd., Tert. Ins. 
N. A., 529, pl. 1, fig. 5 (1890). 


Bone caves of Pennsylvania. 
PTEROSTICHUS PUMPELLYI sp. nov. 
Pl. III, fig. 3. 


This species may be best compared to our existing P. coracinus Newm. 
It is a large species with a smooth head and thorax, the former with a dis- 
tinctly impressed straight transverse line connecting the anterior bases of 
the antennee, and the eyes large but not greatly prominent. The thorax is 
somewhat crushed and distorted, but it is apparently broader than long, 
with gently rounded sides, the front angles square but not projecting, and 
the posterior margin squarely truncate. The elytra have a slight, well- 
rounded humeral angle, the striz are deep and simple, and the interstitial 
spaces strongly convex; the sutural stria, not shown in the drawing, is of 
moderate length and does not appear to unite with the first regular stria in 
the figured specimen, but does so plainly in the other. One specimen 
shows the whole upper surface of the body excepting the two front pairs 
of legs, part of one elytron, and the abdomen; the other a single elytron. 

Length of body, 16.5 mm.; of elytra, 9.75 mm.; breadth of one of latter, 
3.5 mm. 

Florissant, Colorado; two specimens, Nos. 401, 517. 

Named for Raphael Pumpelly, United States geologist. 


PTEROSTICHUS WALCOTTI Sp. nov. 
Pl. II, fig. 1. 


This species is represented by several specimens showing either the 
larger part of the body with elytra (but usually with the abdomen missing), 


24 TERTIARY COLEOPTERA OF NORTH AMERICA. 


or simple elytra. It is of about the same size as P. pumpellyi; the head is 
smooth with a similar, but sometimes inconspicuous, transverse impressed 
line between the antenne; the thorax is squarely truncate anteriorly, with 
slightly projecting front angles, sides broadly, rather regularly and some- 
what strongly rounded, so that the thorax is as broad posteriorly as ante- 
riorly and fully half as broad again as long. Some specimens show a 
tendeney to subangulate sides, and the slight median impressed line is 
scarcely noticeable in any (not given in the figure); the surtace is entirely 
smooth. The elytra are smooth and flat but for the regular and not deep 
strize, which show no punctuation and leave the interstitial spaces without 
convexity; there is a moderately long sutural stria connecting with the first 
longitudinal stria. 

Length of body, 16 mm.; of elytra, 9 to 9.5 mm.; width of one, 3 to 
3.5 mm. 

Florissant, Colorado; six specimens, Nos. 259, 521 and 4640, 1781, 
8105, 5131, and No. 1.557 of the Princeton College collection. 

I give this species the name of C. D. Waleott, Director of the United 
States Geological Survey. 


EVARTHRUS LeConte. 


The following is the only known fossil species of this genus, a consid- 


erable north temperate group with about a dozen North American species. 


EVARTHRUS TENEBRICUS Sp. NOV. 
Pl. I, fig. 8. 


Of this only the head is preserved, but this is so different from any- 
thing else which has been found fossil that it merits mention. It is of 
about the size of Evarthrus gravidus Hald., and is placed in this genus on 
account of the brevity of the last joint of the labial palpus. The head is 
subquadrate, about as long as broad, slightly narrower in front than behind, 
with two transverse lines, one in front of and the other behind the antennze, 
the former the transverse impressed line of the upper surface, the latter the 
base of the labium seen through the head; the eyes are rather large, but 
not at all prominent; the mandibles stout and strongly curved; the maxil- 
lary and labial palpi unusually stout, the jomts of the former subequal, not 


more than twice as long as broad; of the latter, the ultimate very much 


CARABIDA. 25 


shorter than the penultimate, indeed scarcely more than half as long, 
squarely truncate. Only about half a dozen joints of the antennz are pre- 
served, of which the basal is not more than half as long as in F. gravidus, 
while the other joints are as there. 

Breadth of head at the eyes, 3.25 mm. 


Florissant, Colorado; one specimen, No. 1899. 
AMARA Bonelli. 


This is a genus numerous in species, mostly confined to the north tem- 
perate zone, and of which over sixty are found in North America. Three 
existing species have been found in the Pleistocene of Germany and Bavaria, 
and two extinct species in that of Galicia. Besides these, two undescribed 
species are recognized by Forster in the older Tertiaries of Alsatia, and 
three are described by Heer from Oeningen; to these are to be added the 
five Florissant species. 

The Florissant species referred here differ from existing forms in several 
particulars, but I can not find that they agree better with any other types. 
They are remarkable for the shortness of the thorax, the breadth of the 
head, and the small size and anterior position of the eyes, which are next 


the antennze and removed as far as possible from the border of the thorax. 
AMARA REVOCATA Sp. nov. 
Pl. Il, fig. 6. 


Agrees well in general appearance, in size, and in form with A. angustata 
Say of the Northern States. It is smooth throughout, the thorax nearly 
twice as broad as long, with well-rounded slightly produced front angles, 
gently convex lateral margins, and a slight median impressed line. Elytra 
smooth, with gently impressed simple strive and flat interstitial spaces. 

Leneth of body, 6.5 mm.; breadth of elytra, 2.4 mm. 

Florissant, Colorado; one specimen, No. 10404. 


AMARA STERILIS sp. Ov. 
Pl. H, figs. 1, 9. 


Another species, most nearly resembling A. awrata Dej., but much 
smaller, occurs at Florissant. It is the smallest species found there and is 
remarkable for its short and broad thorax and the shortness of the antennal 


26 TERTIARY COLEOPTERA OF NORTH AMERICA. 


joints. The head is not so broad in proportion to its length as in the other 
Florissant species, but on the other hand the thorax is broader, being more 
than twice as broad as long and exceptionally broad in front, where the front 
angles are not produced forward; the front margin is scarcely concave, the 
outer margin gently convex, with the height of the curve rather in advance 
of the middle; there is the usual impressed median line. The elytra are no 
broader than the thorax, with scarcely rounded humeral angies and. strive 
as in the other species. 

Leneth of body, 5 mm.; of antenne, 1.5 mm.; breadth of elytra, 
2.25 mm. 

Florissant, Colorado; four specimens, Nos. 6226, 6970, 7060, and ot 


the Princeton coilection, No. 1.511. 


AMARA VETERATA Ss}. NOV. 
Pl. II, fig. 3. 


A number of specimens, none of them very completely preserved, 
represent a species intermediate in size between A. powellii and A. dane on 
one side and A. revocata and A. sterilis on the other. It has a more regularly 
oval shape than A. dane, to which it is on the whole the most nearly allied, 
but the form of the head and thorax is almost exactly as there. The elytra 
have fuller sides than even in A. powellii, with the humeral angle as in A. 
dane. None of the specimens show the elytral striae with sufficient distinct- 
ness for characterization, but they are evidently similar to those of the 
other species. Excepting in one specimen there is no distinct sign of a 
median impressed line on the pronotum, and in this case it is very slight. 

Leveth of body, 7.75 mm.; width, 3.4 mm. 

Florissant, Colorado; five specimens, Nos. 414, 10811, 11271, 12055, 
14135: 


AMARA POWELLII sp. nov. 
Pi Ui oss D5: 


This species is represented by a number of tolerably good specimens 
resembling A. impuncticollis Say in size. The head is unusually broad 
for its length, the portion back of the base of the mandibles being fully 
half as broad again as long; the eyes are small, placed well forward, and 
globular, though not greatly protruding. The prothorax is about twice as 


4 


CARABIDZ. 27 


broad as long, with roundly excised anterior margin, truncate posterior 
margin, and gently convex lateral margins, the broadest part just in front 
of the middle, and the front angles hardly projecting more than required 
by the different curves of the front and lateral margins. Surface smooth, 
the prothorax with a distinct impressed median line. Elytra with the 
humeral angle well rounded off, the strize distinct, but delicate and simple, 
the interstitial spaces flat and smooth. 

Length of body, 8 mm.; of antennze, 2.5 mm.; width of elytra, 3.2 mm, 

Florissant, Colorado; twelve specimens, Nos. 472, 512, 5486, 7300, 
7312, 7784, 8496 and 9277, 9172, 13608, 13618, 14195, 14336. 

Named for Maj. J. W. Powell, Director of the United States Geological 
Survey when this description was written. 


AMARA DANZE sp. NOV. 
TEAL Ole aaveys, te, a0) alate 


This largest and most abundant of the Florissant species of Amara 
seems most to resemble A. californica Dej., and differs from A. powellii 
mainly in its greater slenderness; its head is relatively smaller, and the 
greatest width of its thorax appears to be in the middle rather than in front 
of it; the elytra have more nearly parallel sides and the humeral angle is 
less rounded off. Like it the head is broad and the eyes placed well for- 
ward, and not protuberant; the elytral strive are delicately impressed, 
the interstitial spaces flat and smooth, and the prothorax has a delicately 
impressed median line. 

Length of bedy, 13 to 14 mm.; of antennze, 2.5 mm.; width of elytra, 
3.5 mm. 

Florissant, Colorado; fifteen specimens, Nos. 419, 1644, 5119, 7099, 
7371, 8089, 8492, 8517, 8607 and 8867, 11198, 11262 and 14166, 12019, 
13020, and of the Princeton College collection Nos. 1.555, 1.614. 

In memory of the distinguished geologist J. D. Dana. 


CARABITES Heer.- 


This term was employed by Heer to cover fossil Carabidee of uncertain 
position, and under it I have placed the first of the following species, from 
Utah, which is probably one of the Pterostichini. The second species was 


28 TERTIARY COLEOPTERA OF NORTH AMERICA. 

described by Heer from Greenland. Ten species in all have been reterred 
here, seven from the older Tertiaries, three from the Pleistocene. 

CARABITES EXANIMUS. 
PL. II, fig. 7. 
Carabites ecanimus Scudd., Bull. U. S. Geol. Survey No. 93, 17-18, pl. 1, fig. 4 (1892). 
White River, Utah. 
CARABITES FEILDENIANUS. 


Carabites feildenianus Heer, Quart. Jour. Geol. Soc. London, XXXIV, 69 (1878): 
Flora foss. arctica (V), I, 38, pl. 9, figs. 11, 11b (1878). 


Discovery Harbor, Grinnell Land. 
DIPLOCHILA Brullé. 


No fossil form of this genus, which is widely distributed in various 
parts of the globe, has been recorded except the following, placed here 
doubtfully. 


DIPLOcHILA? HENSHAWI. 
Diplochila? henshawi Scudd., Tert. Ins. N. A., 523-524, pl. 28, fig. 9 (1890). 
Florissant, Colorado. 


DICAELUS Bonelli. 


Of this North American genus, having about a dozen and a half species 
in the eastern half of the continent, only the following two species are known 


in a fossil state, from the Pennsylvania Pleistocene. 
Dic#LUS ALUTACEUS. 


Dicelus alutaceus Horn, Trans. Am. Ent. Soc., V. 244 (1876); Seudd., Tert. Ins. N. 
A., 524, pl. 1, figs. 8-10 (1890). 


Jone caves of Pennsylvania. 
Dic&LUS sp. 


Dicalus sp. Horn, Trans. Am. Ent. Soc., V, 244 (1876); Scudd., Tert. Ins. INGeeAGE 
525, pl. 1, fig. 15 (1890). 


Zone caves of Pennsylvania. 


CARABIDE. 29 
PLATYNUS Bonelli. 


This is a dominant cosmopolitan genus, of which nearly ninety species 
occur in North America. In Europe only two species have been found 
fossil, in Pleistocene deposits of France and Galicia, and both are regarded 
as recent species. In America, six species, all extinct, have been found in 
the Pleistocene of Canada, while three others occur in the older Tertiary 
deposits of Wyoming and Colorado. 

PLATYNUS SENEX. 


Platynus senew Seudd., Bull. U. 8. Geol. Geogr. Surv. Terr., IV, 759 (1878); Tert. 
Ins. N. A., 519, pl. 7, fig. 38 (1890). 


Green River, Wyoming. 
PLATYNUS CASUS. 


Platynus casus Scudd., Tert. Ins. N. A., 519-520, pl. 1, fig. 42 (1890); Contr. Canad. 
Paleont., IT, 46 (1892). 


Clay beds of Scarboro, Ontario. 
PLATYNUS HINDEI. 


Platynus hindai Seudd., Tert. Ins. N. A., 520, pl. 1, fig. 54 (1890); Contr. Canad. 
Paleont.. Il, 47 (1892). 


Clay beds of Scarboro, Ontario. 
PLATYNUS HALLI. 


Platynus halli Seudd., Tert. Ins. N. A., 520-521, pl. 1, fig. 41 (1890); Contr. Canad. 
Paleeont., Il, 47-48 (1892). 


Clay beds of Scarboro, Ontario. 
PLATYNUS DISSIPATUS. 


Platynus dissipatus Scudd., Tert. Ins. N. A., 521, pl. 1, fig. 37 (1890); Contr. Canad. 
Paizont., IT, 48 (1892). 


Clay beds of Scarboro, Ontario. 
PLATYNUS DESUETUS. 


Platynus desuetus Scudd., Tert. Ins. N. A., 521-522, pl. 1, figs. 48, 51, 58 (1890); 
Contr. Canad. Paleont., I, 48 (1892). 


Clay beds of Searboro, Ontario. 


30 TERTIARY COLEOPTERA OF NORTH AMERICA. 


PLATYNUS HARTTH. 


Platynus harttii Seadd., Tert. Ins. N. A., 522, pl. 1, fig. 31 (1890); Contr. Canad. 
Paleont., IT, 48-49 (1892). 


Clay beds of Searboro, Ontario. 


PLATYNUS CZESUS. 


Platynus cesus Scudd., Tert. Ins. N. A., 522-523, pl. 7, fig. 34 (1890). 


Green River, Wyoming. 
PLATYNUS DILAPIDATUS. 
Pl. IL, fig. 4. 


Platynus dilapidatus Seudd., Contr. Canad. Paleont., I, 49, pl. 3, fig. 2 (1892). 


Clay beds of Searboro, Ontario. 


PLATYNUS TARTAREUS Sp. Nov. 
PL. IL, figs. 7-9. 


Somewhat nearly allied to P. sinuatus Dej. The antenne are longer 
than the head and thorax together, the head as well as the thorax with a 
median impressed line.  Prothorax nearly half as broad again as the head 
(not including the projecting eyes) which is a little narrower than the length 
of the prothorax; front and hind margins squarely truncate, the sides 
strongly arcuate, subangulate, broadest about the middle, none of the angles 
rounded. — Elytra with the humeral angle well rounded, the surface flat and 
smooth with delicate strive and with apparently no interstitial punctures. 

Length of body, 11.4 mm.; breadth of elytra, 4.4 mm. 

Florissant, Colorado; four specimens, Nos. 2244, 3405, 8760 and 
9252, 11363. 


GALERITA Fabricius. 
The following species is the only one known in a fossil state. The 


genus is rather poorly represented in the United States, but is cosmopolitan 


in nature. 


CARABIDZ. Bul 


GALERITA MARSHII sp. nov 
Pl. Il, fig. 5. 


A pair of elytra in place are to be referred here. The texture was 
evidently not dense, the elytra with straight, scarcely convex sides, apically 
truncate, but a little rounded and obtusely angled. A very little only of 
the base is lost, showing the species to be a small one and the combined 
elytra about half as long again as broad. The strize are delicate, very 
slightly impressed, but sharp and straight, minutely and not closely pune- 
tured; the interstitial spaces are also more coarsely and densely but faintly 
punctured, the general punctuation being more obvious than the striation. 

Length of elytra, 7mm.; breadth, 4.5 mm. 

Green River, Wyoming; one specimen, No. 92 (Dr. A. 8. Packard). 

Named for my friend Prof. O. C. Marsh, of Yale University. 


PLOCHIONUS Dejean. 


The form here described is the only fossil species known in this venus, 
which has but few species, occurring in most parts of the world, only four 
of which inhabit the United States. 


PLOCHIONUS LESQUEREUXI sp. nov. 
Pl. II, fig. 2. 


A single specimen and its reverse seem to fall in this group, and to be 
not distantly related to P. timidus Hald., though it is impossible to say that 
it is not a Pinacodera. The antennze are about two-thirds as long as the 
elytra, with rather uniform joints about twice as long as broad and nearly 
cylindrical, the base being only a little smaller than the apex. The pro- 
thorax is about half as broad again as long, or half as broad again as the 
head, apart from the rather prominent eyes ; with rounded sides, broadest a 
little behind the middle, but not greatly enlarging behind the broad, squarely 
truncate apex with nearly rectangular lateral angles; the surface appears to 
be smooth, with an impressed median longitudinal line. Elytra posteriorly 
truncate, distinctly striate, as in the Lebiini, the interspaces flat, with no 
sign of punctuation here or in the striee, but with a feeble sign of trans- 
verse wrinkling, as is seen, but more heavily, on the thorax of P. timidus. 


32 TERTIARY COLEOPTERA OF NORTH AMERICA. 


Length of body, 7 mm.; of antenne, 2.75 mm.; breadth of elytra, 
3.1 mm. 

Florissant, Colorado; one specimen, Nos. 8728 and 9177. 

In memory of the late Leo Lesquereux, who first illustrated the 
Florissant flora. 


CYMINDIS Latreille. 


Two species of this genus occur in the Pleistocene of the New World— 
in Canada and Massachusetts—while in Europe two other species occur im 
the older Tertiaries of amber and of Oeningen. At the present time the 
genus is tolerably rich in species and is found mostly in north temperate 


regions, and North America has its fair share. 
CYMINDIS AURORA. 


Cymindis aurora Horn, Trans. Am. Ent. Soc., V, 248 (1876); Seudd., Tert. Ins. 
N. A., 518, pl. 1, fig. 6 (1890). 


> 


Bone caves of Pennsylvania. 


CYMINDIS EXTORPESCENS sp. NOv. 
Pl. I, fig. 4. 

This species is described by me in a chapter on the Pleistocene beetles 
of Fort River, forming part of Monograph XXIX of the United States 
Geological Survey, by Prof. B. K. Emerson. 

Hadley, Massachusetts. 

BRACHYNUS Weber. 

A cosmopolitan genus, pretty rich m species, of which about twenty- 

five oecur in America. Three fossil species are now known, one from 


Oeningen, the others from Colorado. 
BRACHYNUS NEWBERRYI sp. nov. 
Pls Dies 102 Ele phoms: 


This species comes in the vicinity of B. alternans De}j., but is somewhat 
smaller, with shorter legs. Excepting in one specimen, which shows the 
middle and hind legs in addition, only elytra are preserved. The legs are 


slender, the tibiee rather sparsely haired and armed at tip with rather short 


CARABID. aya 


spurs. The elytra have much the form of those of B. alternans, with sharp 
but delicate uninterrupted ridges, the interspaces flat and smooth without 
vestiture. 

Length of elytra, 7 mm.; breadth of combined elytra, 5 mm. 

Florissant, Colorado; four specimens, Nos. 958, 7766, 8789, 8981. 

In memory of the late J. 8S. Newberry, the veteran geologist and 
paleontologist of New York City. 


BRACHYNUS REPRESSUS sp. Nov. 
Pl. IV, fig. 6. 


A species allied to B. fumans Fabr., with which it agrees in size, the 
clothing of the elytra and the character of the striz. It is represented by 
a single elytron much broader than in B. newberryi and in which the 
humeral angle is more pronounced; the apical margin is decidedly truncate 
and the elytron is furnished with tolerably coarse ridges, interrupted so as 
to give them a bead-like appearance, or a chain of slightly elongated 
tubercles; the interspaces are flat and scantily clothed with tolerably long 
delicate hairs. 

Length ot elytron, 6 mm.; breadth, 3.2 mm. 

Florissant, Colorado; one specimen, No. 8316. 


CHLASNIUS Bonelli. 


In this now dominant cosmopolitan genus, of which nearly fifty species 
inhabit the United States, no species are known from the earlier Tertiaries, 
excepting one from amber. In the Pleistocene, two existing species 
have been found in Bavaria, besides two extinct forms in Bavaria and 
Pennsylvania. 

CHLANIUS PUNCTULATUS. 


Chlenius punctulatus Horn, Trans. Am. Ent. Soc., V, 244 (1876); Seudd., Tert. Ins. 
N. A., 517-518, pl. 1, fig. 7 (1890). 


Bone caves of Pennsylvania. 
NOTHOPUS LeConte. 
Of this now monotypic North American genus, a single species has been 


found fossil in Colorado. 


MON XL——3 


34 TERTIARY COLEOPTERA OF NORTH AMERICA. 


NoTHOPUS KINGII sp. nov 
PI. IV, fig. 2. 


A single fractured specimen represents a species somewhat larger than 
the living American form, but which agrees with it in all essential points. 
Of the head only a fragment remains. The prothorax is broad and short, 
being fully twice as broad as long, with rounded sides, sharp angles, barely 
perceptible impressed median line and a smooth surface, with some slight 
corrugations next the posterior border. The elytral strize are in all respects 
similar to those of N. zabroides LeC. without punctures, and the interspaces 
are very gently convex, almost flat, and, so far as can be seen, without 
punctures. The humeral stria, not shown in the plate, is closely approxi- 
mated to the first stria, and is shorter than in N. zabroides. The scutellum 
is larger than in the living species and sparsely covered at base with short 
hairs. The specimen shows an obverse in which the strize appear as ridges. 

Length of specimen, 16 mm.; of elytra, 11 mm.; breadth of elytron, 
4 mm. 

Florissant, Colorado; one specimen, No. 5984. 

Named for Clarence King, first Director of the United States Geological 
Survey. 


HARPALUS Latreille. 


Of this dominant cosmopolitan genus, of which nearly fifty species are 
now found in North America, fourteen species have been found in the earlier 
Tertiaries of Colorado in the New World and, in the Old, at Oeningen, Aix, 
Radoboj, Rott, and Brunstatt in Alsatia, besides being recognized in amber. 
‘T'wo extinct species are also known from the Pleistocene of Switzerland and 
Galicia, besides one from the Pliocene of England; a single existing species 
is also recognized in the Swiss Pleistocene. 


HARPALUS NUPERUS sp. nov. 
Pl. TIL, fig. 6. 


A species is indicated near H. nitidulus Chaud., but it is rather obscure. 
The head is a little longer only than broad, at base with very straight and 
parallel sides. The prothorax is a third as broad again as the head, and 


nearly twice as broad as long, with well-rounded sides and especially with 


CARABID. 35 


well rounded posterior angles and no sign of any median impressed line. 
The elytra are somewhat broader than the thorax, rather slender, with nearly 
parallel sides on the basal half, the humeral angle a little rounded, and on 
the apical half tapering rather rapidly. As the under surface is exposed, 
the strize are not shown. 

Length of body, 7 mm.; of elytra, 4 mm.; breadth of both elytra, 
2.75 mm. 


Florissant, Colorado; one specimen, No. 165. 


HARPALUS WHITFIELDII sp. noy. 
Pl. IV, fig. 7. 


A rather stout species not far removed from H. ellipsis LeC., with the 
prothorax nearly twice as broad as long, half as broad again as the head, 
the sides well rounded, a distinct median impressed line, and the surface 
slightly rugose posteriorly. The elytra are considerably broader than the 
thorax, broadest in the middle and considerably narrowed anteriorly as well 
as posteriorly, the humeral angle being roundly excised, and the opposite 
sides nowhere parallel; the strize are delicate without punctures, and the 
interspaces scarcely convex with faint signs of scattered shallow punctures. 

Length of body, 7.5 mn.; breadth of thorax, 2.7 mm.; of elytra, 3.6 mm. 

Florissant, Colorado; three specimens, No. 10104, and from the museum 
of Princeton College Nos. 1.574, 1.829. 

Named for the New York paleontologist, R. P. Whitfield. 

STENOLOPHUS Dejean. 

Of this widespread genus, tolerably rich in species, of which about 
a dozen are known in North America, but a single fossil species is known, 
from Colorado. 


STENOLOPHUS RELIGATUS sp. noy. 
Jel Ii, site ale 


A rather obscure specimen which appears to be allied to S. ochropezus 
Say. The head is large, longer than broad, with straight sides tapering 
anteriorly. The antennz are moderately stout, a little longer than the 
head and thorax, the joints about twice as long as broad. The prothorax 


is scarcely broader than the head, about twice as broad as long, with 


36 | TERTIARY COLEOPTERA OF NORTH AMERICA. 


scarcely rounded sides, smooth, and no sign of a median furrow. The 
elytra are slender and elongated, parallel sided, smooth, but with some 
signs of faint strize; probably these are fainter than they would be were 
they not seen through the body, the under surtace being exposed. 

Length of body, 4.6 mm.; of antenne, 2 mm.; of elytra, 2.75 mm.; 
breadth of thorax, 1.1 mm.; of elytra, 1.6 mm. 


Florissant, Colorado; one specimen, No. 6622. 


1 BP Gs DIGS ON MDZ Dy 

The only fossils of this family in North America are two species in the 
Pleistocene of Massachusetts and two in the older Tertiaries of Colorado, 
each of the four belonging to a distinct genus. In the Old World, fifty-six 
species have been found, belonging to seventeen genera, only two of them 
represented among the American fossils, and these the older. Of these 
species, twenty-seven, representing eleven genera, belong to the older 
Tertiaries, and twenty-nine species of nine genera to the Pleistocene. Of 


the Pleistocene species ten are recognized as still living. 
HYDROCANTHUS Say. 

This widely spread though restricted genus has but a single living 
species in the United States, and no extinct forms are known except the one 
here recorded. 

HypROCANTHUS sp. 
Tlydrocanthus Sp. Scudd., Am. Jour. Sci. (3) XLUVIII, 183 (1894). 

Peat of Nantucket, Massachusetts. 

LACCOPHILUS Leach. 

Of this cosmopolitan genus, of which about a dozen North American 
species are known, only two fossil species are recognized, the one here 
recorded and one found by Heer in the Miocene of Spitzbergen. 

LLACCOPHILUS sp. 


Laccophilus Sp. Seudd., Bull. Ui: S. Geol. Geoer. surv. Terr... ale Ts (1876); ele 
759 (1877); Tert. Ins. N. A., 517, pl. 5, figs. 116, 117 (1890). 


White River, Colorado. 


DYSTISCID.2—HY DROPHILID®. OG 
AGABUS Leach. 


A richly endowed cosmopolitan genus, of which nearly fifty species are 
found in North America. In the older Tertiaries a single species has been 
found at Rott and another at Florissant, while it is reported from amber. 
Two existing species have been credited to the Pleistocene of England and 
five described from that of Galicia. 


AGABUS RATHBUNI sp. Ov. 
Pl. LV, fig. 4. 

The structure of the under surface of this beetle, as shown in the 
figure, leaves no doubt of its belonging to the dytiscid tribe Colymbetini, 
and the form of the lateral wing of the metasternum with the carinate pro- 
notum refers it to Agabus. Naturally there is little on the under surface to 
distinguish species in a group so abundant in forms as Agabus, but it may 
be said that it has a broadly ovate form, approaching the shape of the 
Gyrinid in its posterior breadth and narrowing anterior portions; the 
hind legs are rather stout, though not large, and the hind coxze and anterior 
half (at least) of the abdomen are very distantly, arcuately, and exceed- 
ingly finely striate. 

Length, 7.6 mm.; breadth, 4.5 mm. 

Florissant, Colorado; one specimen, No. 1906. 

Named for my zoological friend, Richard Rathbun, of Washington. 

Dytiscip& sp. 
Pl. IV, figs. 3, 5. 

The figures represent the metasternum of a species of this family, per- 
haps a Matus, which is described in a section on the Pleistocene beetles of 
Fort River in Monograph XXIX of the United States Geological Survey, 
by Prof. B. K. Emerson (pp. 740-746). 


Hadley, Massachusetts. 
IS OIDIROISI SHH Dwy4 Dy 


As nearly all Tertiary insects are found in fresh-water deposits, one 
would naturally look for members of this group therein and would expect 
their absence from amber. This expectation is realized. Seventy-four 


38 TERTIARY COLEOPTERA OF NORTH AMERICA. 


species of seventeen genera are now known, of which only six of four 
genera are referred to living forms; these last are all from Pleistocene 
deposits in Europe, which have also yielded seven extinct species of four 
genera, besides which two species of different genera have been found in 
America. To the older Tertiaries belong forty-five species of ten genera 
in Europe and fourteen species of eight genera in America, the same 
genera being represented on both continents in three cases if only the older 
fossils are considered, in five cases if all are taken into account. Three of 


the European genera from the older formations are regarded as extinct. 
HELOPHORUS Fabricius. 

A tolerably prolific genus, mainly north temperate in distribution, with 
about a dozen North American species. Five extinct species have been 
found in Pleistocene deposits in Galicia and Ohio, and two in the older 
Tertiaries of Baden. 


HELOPHORUS RIGESCENS. 


LHelophorus rigescens Scudd., Tert. Ins. N. A., 516-517, pl. 1, fig. 53 (1890); Contr. 
Canad. Paleont., IT, 45 (1892). 


Clay beds near Cleveland, Ohio. 


HYDROCHUS Leach. 


A dozen species of this genus exist in North America, being nearly half 
the known species, the others occurring in the north temperate regions of the 
Old World. The only fossil species known are the two here recorded, one 
each from the Pleistocene of Ohio and the Oligocene of Wyoming. 


HypbrocHus AMICTUS. 


Hydrochus amictus Scudd., Tert. Ins. N. A., 515-516, pl. 1, fig. 47 (1890); Contr. 
Canad. Paleont., II, 45 (1899). 


Clay beds near Cleveland, Ohio. 


Hyprocnus RELICTUS. 
THydrochus relictus Scudd., Tert. Ins. N. A., 516, pl. 8, fig. 11 (1890). 


Green River, Wyoming. 


HY DROPHILID.®. 39 


TROPISTERNUS Solier. 


This is an American genus, of which nearly half the species (about a 
dozen) occur in the United States. Four fossil species are known from the 
early Tertiaries of Wyoming and Colorado. 


TROPISTERNUS SCULPTILIS. 
Tropisternus sculptilis Scudd., Bull. U. S. Geol. Geogr. Surv. Terr., 1V, 760 (1878); 
Tert. Ins. N. A., 514-515, pl. 7, fig’. 33 (1890). 


Green River, Wyoming. 


'TROPISTERNUS SAXIALIS. 


Tropisternus saxialisSeudd., Bull. U.S. Geol. Geogr. Surv. Terr., [V, 759-760 (1878); 
Tert. Ins. N. A., 515, pl. 8, fig. 2 (1890). 


Green River, Wyoming. 


‘TROPISTERNUS VANUS sp. Nov. 
JA, Wo site Me 


The specimen referred here apparently belongs to this genus, although 
the scutellum is of a somewhat smaller size than is characteristic of this 
genus and the sculpturing of the elytra is unusual. The length of the 
abdomen is doubtless due to accident, the character of the elytral tips 
indicating that they embraced its extremity. The form of the body and, 
with the above accidental exception, its several regions correspond closely 
to Tropisternus, though by the flattenmg of the head, which brings the 
labrum (not separately indicated in the figure) upon the same plane, the 
head is made to have an abnormal length. The eyes are large but scarcely 
protrude beyond the general curve of the side of the head. The prothorax 
shows a delicate margination laterally and exceedingly delicate wavy striate 
markings, as if longitudinally combed, hardly observable under an ordinary 
lens, instead of the minute punctuation usually found in Tropisternus. 
There is also observable along the middle line on the posterior half of the 
pronotum and the anterior part of the abdomen a slight carination, which is 
probably the impression of the sternal carina characteristic of this group of 


Hydrophilid. The elytra are rather short, their outer edge very delicately 


40) TERTIARY COLEOPTERA OF NORTH AMERICA. 


marginate, the surface with the same sculpturing as the prothorax, and 
besides very faintly and very narrowly striate with longitudinal punctures, 
or more properly striae. These are about as distinct as in 7’ striolatus LeC., 
but are wholly different on account of their extreme slenderness and the 
longitudinal character of their components. 

Length of body as preserved, 9.25 mm.; length to tip of elytra, 8.1 mm.; 
breadth, 4mm.; length of elytra, 4.6 mm. 


Florissant, Colorado; one specimen, No. 9210. 


TROPISTERNUS LIMITATUS sp. Nov. 
PL. V, fig. 2. 


Although this species is placed in this genus, it is only temporarily, 
until better and more abundant material shall give the opportunity of 
properly characterizing the genus to which it really should be referred, 
which, so far as we know, is extinct. It belongs without doubt to the 
Hydrophilini, as its wide prothorax and compressed tarsi show, but as the 
genera of Hydrophilidee are tolerably constant in size and this is very 
much smaller than any Hydrophilini known, it can hardly be doubted that 
it will prove a distinct generic type; moreover the structure of the hind 
tarsi is very different from what we find in the other genera; for though 
strongly compressed, they are subequal, somewhat ovate, and two or three 
times as long as broad. The whole insect is of a very regularly elongate 
oval shape, of a uniform carbonaceous color, showing no sculpture what- 
ever beyond a pair of straight raised lines, converging posteriorly, which 
cross the prothorax and thus limit a wedge-shaped median piece, the front 
margin of which is rather more than one-third of the front border of the 
prothorax, while the hind margin is about one-third its anterior width. It 
is probable, however, that these raised lines are indications of some sculp- 
tural characteristics of the under surface, as they are not quite symmetrical 
and do not appear on both specimens referred to this species. The eyes 
are large, subglobose, extend slightly beyond the curve of the head, and, 
as viewed from above, are longer than broad. The sutural edge of the 
elytra is very delicately margined. 

Length, 5 mm.; breadth, 2.6 min. 


Florissant, Colorado; two specimens, Nos. 2956, 3179. 


HY DROPHILID-E. 4i 


HYDROPHILITES Heer. 


The generic name is given by Heer to the following fossil species, 
allied to Hydrophilus. No other species is known. 


HyYpDROPHILITES NAUJATENSIS. 


Hydrophilites naujatensis Heer, Flora foss. Groenl., I, 144, pl. 86, fig. 12b; pl. 109, 
fig. 10 (1883). 


Naujat, Greenland. 
HYDROCHARIS Latreille. 


A widespread but rather limited genus, three species of which occur 
in the United States. The species from Colorado here described is the only 


one known in a fossil state. 


HyprocHARIS EXTRICATUS Sp. nov. 


Pl. V, fig. 4. 


The single specimen referred here is slenderer and smaller than any of 
our existing species, and further differs in the great size of the eyes, which 
are transverse and separated by less than double their own width, and the 
excessive length of the terminal spines of the hind tibize, both of which are 
nearly half the length of the tibiz. Being preserved on a ventral aspect 
any punctuation of the elytra is invisible. The sternal carina appears to 
be very slender and to extend beyond the hind cox to a length rather 
more approaching its character in Hydrophilus, though it certainly does not 
extend beyond the second abdominal segment, and the prosternum appears 
to be equally carinate with the hinder parts of the thorax. 

Length, 13 mm.; breadth, 6 mm. 

Florissant, Colorado; one specimen, No. 692. 


BEROSUS Leach. 


A widespread and tolerably rich genus, well supplied with North 
American species. The only fossils known are those here recorded from 


Wyoming. 


42 TERTIARY COLEOPTERA OF NORTH AMERICA. 


BEROSUS SEXSTRIATUS. 


Berosus sexstriatus Seudd., Bull. U.S. Geol. Geogr. Surv. Terr., [V, 760-761 (1878); 
Tert. Ins. N. A., 513-514, pl. 7, fig. 40 (1890). 


Green River, Wyoming. 
BEROSUS TENUIS. 


Berosus tenuis Seudd., Bull. U. S. Geol. Geogr. Surv. Terr., IV, 760 (1878); Tert. 
Ins. N. A., 514, pl. 8, fig. 8 (1890). 


Green River, Wyoming. 
LACCOBIUS Erichson. 


A limited genus of about a dozen species, almost exclusively confined 
to the north temperate zone and of which only two species are known in 
the United States. A single fossil species is found in the Pleistocene of 
Galicia, three others in the older Tertiaries of France and the Rhine, and 
one in Wyoming. 


LACCOBIUS ELONGATUS. 


Laccobius elongatus Seudd., Bull. U. S. Geol. Geogr. Surv. Terr., IV, 761 (1878); 
Tert. Ins. N. A., 518, pl. 7, figs. 27, 28 (1890). 


Green River, Wyoming. 
PHILHYDRUS Solier. 

A nearly cosmopolitan genus, with numerous species, many found in 
North America. A fossil species occurs in the Pleistocene of Galicia and 
at least three others in the older Tertiaries of the Rhine and Wyoming. 

PHILHYDRUS PRIMAVUS. 


Philhydrus primevus Scudd., Bull. U. S. Geol. Geogr. Surv. Terr., I], 78 (1876); 
Tert. Ins. N. A., 512, pl. 8, fig. 5 (1890). 


Green River, Wyoming. 
PHILHYDRUS spp. 
Philhydrus spp., Scudd., Tert. Ins. N. A., 512 (1890). 


Green River, Wyoming. 


HYDROPHILID®. 43 


HYDROBIUS Leach. 


A cosmopolitan genus with numerous species, of which nearly half 
come from North America. A couple of existing species have been found 
in the Pleistocene of Bavaria and Galicia; and in the older Tertiaries ten 
extinct species occur at Oeningen, Radoboj, Aix, Spitzbergen, Florissant, 
and in Wyoming. 


HypROBIUS DECINERATUS. 


Hydrobius dé Cine ratus Secudd.., Bull. we S. Geol. Geogr. Sury. Terr., IV, 761 (1878); 
Tert. Ins. N. A., 511, pl. 8, fig. 27 (1890). 


Green River, Wyoming. 
Hypronius CONFIXUS. 


Hydrobius confivus Scudd., Tert. Ins. N. A., 511-512, pl. 7, fig. 25 (1890). 


ton) 


Green River, Wyoming. 
HypRoBIUS MACERATUS sp. Nov. 
Pl. V, fig. 3. 


The specimen which is referred here seems to be more nearly related 
to the smaller forms of Hydrobius than to anything else, though it evidently 
belongs to a distinct genus on account of the extreme breadth of the pro- 
sternum, the front and middle coxze being thereby closely crowded together. 
The slenderness and cylindrical character of the hinder tarsi show that it 
belongs in this neighborhood, but the imperfect preservation of the single 
specimen known leaves much to be desired. The legs are rather slender, 
though the femora are moderately stout, the tibiae are considerably longer 
than the femora, while the very slender tarsi are much shorter and the 
hinder pair are 5-jointed, the last two joints being equal and longer than 
the others. There is no sign of any transverse carina in front of the middle 
coxee. The insect is of an elongated oval form, with a tolerably large head 
and an unusually large prothorax, which is much more than half as long as 
broad. The under surface, and noticeably the prosternum, is faintly, dis- 
tantly, and rather coarsely punctulate. 

Length, 3.1 mm.; breadth, 1.8 mm. 


Florissant, Colorado; one specimen, No. 780. 


44 TERTIARY COLEOPTERA OF NORTH AMERICA. 


CERCYON Leach. 


A cosmopolitan genus, very rich in species, mostly occurring in the 
north temperate regions and abundant in the United States. Only a couple 
of fossil species are known, an undetermined species from the Pleistocene 


of Pavaria, and a species from the older Tertiaries of British Columbia. 


CERCYON ? TERRIGENA. 
Cercyon ? terrigena Scudd., Rept. Prog. Geol. Sury. Can., 1877-78, 179B (1879); 
Tert. Ins. N. A., 510-511, pl. 2, fig. 21 (1890); Contr. Canad. Paleont., II, 45 
(1892). 


Nicola River, British Columbia. 


SEL P Hip Aa: 


Fossil Silphidee are uncommon. Sixteen species in all are known, 
belonging to eight genera, Silpha alone being represented by more than one 
species. All of these species except four of Silpha are found in the older 
Tertiaries. Only two genera with a single species each have occurred in 
America, and of these one, Silpha, occurs also in the Old World Tertiaries. 
Of the Old World genera four are recognized in amber only, and of the 


three from the rocks one is regarded as extinct. 


SILPHA Linné. 


We have in the United States about ten species of this genus, which is 
mainly north temperate and rich in species. ‘Two recent species have been 
recognized in the Pleistocene of Bavaria and England, and two extinct 
species in Galicia. In the older Tertiaries five species occur, one each in 


the deposits of Spitzbergen, Radoboj, Oeningen, the Rhine, and Colorado. 
SILPHA COLORATA sp. ov. 
Pl. V, fig. 5. 
The only specimen known.is broken just behind the base of the elytra 
and all the portion in front of it lost. What remains, however, is so charac- 


teristic that there can be little doubt that it belongs in this family and prob- 


ably to Silpha. It has the aspect, however, of a Necrophorus from the spots 


SILPHID®. 45 


and hairiness of the elytra, but their non-truncate character and the apical 
slenderness of the hind tibie: show that it can not be referred to that genus. 
The elytra are long and narrow, without longitudinal carinee, with tapering 
pointed apices, sparsely covered with rather long hairs, visible only on the 
pale transverse bands which cross the base and middle of the apical half of 
the elytra; these have rounded outlines, apparently just fail to reach either 
margin, and are more than half as long as broad on each elytron; the abdo- 
men is hairy and angulate at tip, the hind tibize slender and equal, with 
rather dense and coarse erect hairs and apparently without apical spurs. 
The hind tarsi are also hairy but less prominently, the first joint long, all 
the remainder short and equal, the last not seen in the specimen. 

Length of fragment, 6 mm.; of elytron, 5 mm.; breadth of same, 1.5 
mm.; probable full length of elytron, 6 mm; probable length of beetle, 11 
mm.; length of hind tibie, 2.5 mm. 


Florissant, Colorado; one specimen, No. 4700. 
AGYRTES Frohlich. 


The species here described is the only known extinct form of this 
eenus, Which has now a very limited number of species in the north tem- 


perate zone, and only one in the United States. 


AGYRTES PRIMOTICUS Sp. nov. 
Pl. V, fig. 6. 


The specimen referred here is considerably larger than our native 
species and by no means of so slender a form, but it would seem to fall 
here from the structure of the antennze and elytra and can not be referred 
to any other of our genera of Silphidee. The specimen is tolerably perfect 
on the right half of the body, but does not show any important part of the 
legs. The head is transversely oval, smooth, with tolerably large round 
eyes. The antennz reach to the base of the elytra; the third joint, though 
twice as long as the second, is not longer than the succeeding, though much 
slenderer than they and equal, while the next five, though submoniliform, 
are larger apically than basally, increase very slightly in size, and the last 
three are scarcely larger, equal, and subquadrate, the last apically rounded. 
Thorax nearly twice as broad as long, much narrower in front than behind, 


46 TERTIARY COLEOPTERA OF NORTH AMERICA. 


the sides arcuate, the angles obtuse, the disk apparently almost smooth, but 
very faintly and delicately punctate. Middle tibize slender and equal, much 
smaller than the apex of the femora. Elytra together but little longer than 
broad, somewhat wider than the thorax, the sides somewhat arcuate, the sur- 
face delicately, not very deeply, striate, with regular very elongate impres- 
sions; interstitial spaces apparently sericeous. 

Leneth, 8 mm.; breadth, 4.1 mm.; length of antenne, 2.1 mm.; of 
thorax, 1.5 mm.; of elytra, 4.9 mm. 

Florissant, Colorado; one specimen, No. 12039. 


SoA EBay aN Dea. 


One hundred and thirteen fossil species of Staphylinidee are known or 
indicated, sixty-five from the Old World, forty-eight from the New. These 
are almost entirely from the older Tertiaries, only seven species, all extinct, 
being known from the Pleistocene, two from Europe, five from America; 
besides these a number of other forms from the Canadian Pleistocene still 
await study.’ These fossil species have been referred to ti nty-two genera, 
of which four are regarded as extinct, three in the Old World, one in the 
New. ‘Twenty-five of these genera are found in America, twenty-nine in 
the Old World, twelve occurring in both. Only two genera, one on each 
continent, have been found in the Pleistocene and not in the older Tertiaries. 

One of the peculiarities of the Florissant Staphylinidee as compared 
with living forms is the prevalence of species with short antennz. This is 
most marked in cases where the species, living and extinct, of the same 
genus are compared, and being nearly universal can hardly be referred to 
their being in some cases only partially exposed in the fossils, since in very 
many all the joints can be seen, and the peculiarity still holds true. The 
same thing is true in perhaps equal degree with the legs, which in the fossil 


species are almost invariably shorter than in their modern representatives. 


HOMALOTA Mannerheim. 


This dominant genus is mainly north temperate and numerous species 
occur in the United States. The species here recorded is the only one 
known as fossil. 


These have now been studied and will soon be published by the Geological Survey of Canada. 


bo | 


STAPHYLINID®. + 


HoMALOTA RECISA. 
Homalota recisa Scudd., Tert. Ins, N. A., 509-510, pl. 8, fig. 14 (1890). 
Green River, Wyoming. 
GYROPHAENA Mannerheim. 


The following is the only known fossil species of this genus, which is 
now widespread, with tolerably numerous species, of which about half a 


dozen occur in North America. 
GYROPHENA SAXICOLA. 


Gyrophena saxicola Scudd., Bull. U. 5. Geol. Geogr. Surv. Terr., II, 78 (1876); 
Tert. Ins. N. A., 509, pl. 5, figs. 123, 124 (1890). 


White River, Utah. 
ACYLOPHORUS Nordmann. 


No other fossil species than the following is known The genus has 
five or six speciés in the United States and about twice as many others in 


various parts of the world 


ACYLOPHORUS IMMOTUS sp. OV. 
Pl. V, fig. 7. 


A rather small species, allied to A. flavicollis Sachse, but differing from 
any of the living species I have seen in the brevity of the antenne. The 
head is small, well rounded, considerably narrower than the prothorax. 
The antennz are poorly preserved, especially at base, and the joints in the 
apical half are quadrate, scarcely so long as broad, and only very slightly 
enlarged apically, the whole scarcely reaching to the apex of the rather 
short prothorax. The latter is scarcely so long as broad, tapers though 
very slightly from the base, is truncate at both extremities and smooth; a 
pair of punctures are seen on the disk, just where they occur in A. flavi- 
collis. Both the prothorax and the head, as well as the finely haired legs, 
are of a testaceous tint, while the rest of the body is piceous. The elytra 
are obscurely preserved, but are black, hairy, about as long as the prothorax 
and a little broader, the whole body enlarging from in front to the tip of the 
elytra and then tapering gradually and regularly to the narrowed and 


48 TERTIARY COLEOPTERA OF NORTH AMERICA. 


pointed tip of the abdomen. The abdomen is black with long black hairs, 

sparsely scattered, and most conspicuous as edging the hind borders of the 

“segments. Terminal appendages rather short, blunt, and very hairy. 
Length of body, 5.5 mm.; width of same, 1.2 mm.; length of pro- 

thorax, 0.65 mm.; breadth of same,0.85 mm.; length of middle tibia, 0.5 mim. 
Florissant, Colorado; one specimen, No. 3291. 


HETEROTHOPS Stephens. 


A small genus, most of whose species are found in the north temperate 
regions of the Old World, but four or five in North America. A single 


species has been found fossil in Colorado. 
HETEROTHOPS CONTICENS sp. oy. 
Pl. V, figs. 8, 9. 


A single specimen is referred here with some doubt, as it is not very 
well preserved, but it seems to bear a closer resemblance to the species of 
this genus than to any other. It is the smallest of the Florissant Staphy- 
linidze unless the shorter but stouter Platystethus archetypus be looked upon 
as smaller. It is very compact, is broadest at the elytra, narrows rapidly im 
front and less rapidly behind, so as to be somewhat fusiform, the extremity 
of the abdomen bluntly rounded. ‘Phe head is short, subtriangular, and 
rounded, the antenne (fig. 9) closely resemble those of H. pusio LeC., 
excepting that the last joint is only a little longer and considerably larger 
than the penultimate, instead of being twice as long and scarcely any 
broader; they scarcely reach the posterior border of the pronotum. The 
latter is smooth, considerably broader than long, tapers anteriorly a good 
deal, but its surface is too broken to show what punctures are present. 
The elytra are hairy, as are the sides of the abdomen, and the whole body 
is of a nearly uniform very dark castaneous. 

Length of body, 3.45 mm.; breadth, 1 mm. 


Florissant, Colorado ; one specimen, No. 120. A 
QUEDIUS Stephens. 


A genus with numerous species, widespread in both worlds. The 
older Tertiaries possess five species, two each at Aix and Florissant, and 


one in amber. 


STAPHYLINID&. 49 


The two species here recorded from Colorado differ considerably from 
each other in general appearance, but appear to be structurally similar. 
They differ from modern species, one more markedly than the other, in the 
ereat brevity of the antennze and of their separate joints, as well as, so far 


as can be seen, in the shortness and stoutuess of the legs. 


()UEDIUS CHAMBERLINI. 
Jal, Wig likegs, 10), tat 
Quedius chamberliné Scudd., Tert. Ins. N. A’, 508, pl. 16, fig. 8 (1890). 
Florissant, Colorado. 
(JUEDIUS BREWERI. 
Jel, Wills antes, 1G 
Quedius brewers Seudd., Tert. Ins. N. A., 508-509, pl. 16, fig. + (1890). 


Florissant, Colorado. 
LAASBIUM gen. nov. (A@as, 626@). 


This name is proposed for a couple of fossil insects bearing a very close 
resemblance to Lathrobium, both in general appearance and in many details 
of structure, but which can not be placed there or even in the tribe 
Peederini, to which Lathrobium belongs, on account of the entire absence 
of any constricted neck, the head bemg altogether sessile upon and indeed 
partially embraced by the thorax. The body is long and slender. The 
head is more or less triangular, largest at base; the antennze long, slender, 
filiform, all the jomts twice or more than twice as long as broad, the first 
longer but not much larger, the last shorter and smaller than the rest. 
Thorax transverse, equal, with rounded angles. Elytra twice or more than 
twice as long as the thorax, and together broader than it. Legs rather short 
and slight, but with dilated femora, the fore tarsi apparently not expanded. 
Abdomen beyond the elytra as long as the rest of the body with parallel 
sides and a bluntly rounded tip. 


LAASBIUM AGASSIZIT sp. Nov. 
Pl. VI, fig. 4. 


Head of about equal length and breadth, regularly tapering from the 
base, the outer angles rounded, the surtace perfectly smooth. Antennze 
MON XL——4 


50 TERTIARY COLEOPTERA OF NORTH AMERICA. 


reaching back nearly to the middle of the elytra, most of the joints apout 
two and a half times longer than broad, slightly larger at tip than at base, 
rounded. Thorax about a fourth broader than long, a little broader than 
the head, with gently convex sides and base, and all the angles similarly 
and slightly rounded, the surface smooth and apparently, like the head, 
without hairs. Legs not very long, the femora considerably dilated, the 
tibize slender but shghtly enlarged at the tip, the tarsi very slender. Elytra 
slightly longer than the head and thorax together, considerably broader 
than the thorax, smooth, with long and very distant delicate hairs. Abdomen 
scarcely broader than the thorax, beyond the tips of the elytra longer than 
the rest of the body together, smooth. 

Leneth of body, 9.25 mm.; breadth of elytra, 1.6 mm.; length of 
antennee, 2.75 mm. 

Florissant, Colorado; two specimens, Nos. 11179, 12045. 


Named in memory of my honored teacher, Prof. Louis Agassiz. 


LAASBIUM SECTILE sp. nov. 
Pl. VI, fig. 3. 


This is a much stouter form than the last, and not so elongated, but in 
all its essential features it agrees so well that it should fall in the same 
genus; the short head and thorax, the long antennee and tegmina, with the 
elongated joints of the former, mark it as allied. There is but a single 
specimen and that not very distinctly preserved. The head is shorter than 
broad, subtriangular, with rounded sides, and apparently smooth surtace. 
The antenne are imperfectly preserved, but are at least as long as the head 
and thorax together, and probably longer, very slender, with joints which 
beyond the basal joint and before the middle are about three times as long 
as broad and nearly twice as broad apically as basally. Thorax apparently 
almost twice as broad as long, broader certainly than the head, broadest 
apparently just behind the head, with rounded sides, and the surface smooth, 
with a few seattered hairs. Legs slender and apparently proportionally 
longer than in L. agassizii. Elytra longer than the head and thorax together, 
and broader than the thorax, smooth and at most with but a few seattered 
hairs. Abdomen broader than the thorax but narrower than the elytra, 


beyond which it is scarcely so long as the rest of the body, equal or 


STAPHYLINID A. ot 


scarcely tapering, the last segment broadly rounded, the surface smooth or 
with the faintest possible shallow punctuation and unprovided with hairs. 
Length, 9.5 mm.; breadth, 2.1 mm. 


Florissant, Colorado; one specimen, No. 13678. 
LEISTOTROPHUS Perty. 


North America possesses two living species of this genus, most of 
whose other species, not numerous, occur in Europe. A single fossil species 
has been found in Utah. 


LEISTOTROPHUS PATRIARCHICUS. 


Leistotrophus patriarchicus Seudd., Bull. U.S. Geol. Geogr. Surv. Terr., Il, 78-79 
(1876); Tert. Ins. N. A., 507, pl. 5, fig. 112 (1890). 


White River, Utah. 
STAPHYLINUS Linné. 


This genus has numerous species all over the world, of which about 
twenty occur in the United States. Fossil species are by no means unknown, 
nine having been described from Aix, Oeningen, and Florissant, while the 
genus has been recognized in such different deposits as Senigaglia in Italy, 
Sicilian amber, Baltic amber, Rott on the Rhine, and the Isle of Wight, 
leading us to presume several additional species, all in the early Tertiaries. 

STAPHYLINUS LESLEYI sp. Nov. 
Pl. VI, figs. 6, 7. 

This most abundant species of the genus and one of the commonest of 
the family at Florissant resembles most S. cinnamopterus Gray., but is scarcely 
so large and has shorter and stouter antennz, and slenderer less densely 
spinous tibiee. The head is subtriangular, the basal third with parallel sides, 
in front of which it tapers considerably; the posterior margin is truncate, 
but with rounded angles, and the head is a little longer than broad, includ- 
ing the sharply pointed longitudinally channeled mandibles; the surface is 
very delicately granulate. The antennz are about as long as the elytra 
and are well represented in fig. 7, though the extreme base of the first joint 
does not appear. The pronotum is slightly broader than the head and of 
the same length as it, fig. 6 showing it a little too short; it is nearly quad- 
rate, of about equal length and breadth, with slightly convex sides and 


52 TERTIARY COLEOPTERA OF NORTH AMERICA. 


rounded angles, especially posteriorly; the surface appears to be much as 
in the head and delicately and briefly villous. The elytra are together 
rather broader than long and somewhat broader than the pronotum, with 
which they agree in texture and clothing. The legs are not very long but 
very slender, the femora delicately incrassate, the tibize enlarging regularly 
so as to be half as large again at tip as at base, with recumbent not very 
heavy spinous hairs and delicate apical sputs. Abdomen and abdominal 
appendages much as in S. cimmamopterus. 

Length of body, 10 to 12 mm.; of antennze, 2.5 mm.; breadth of elytra, 
2.6 mm. 

Florissant, Colorado; eight specimens, Nos. 8572, 8692 and 9240, 
11662, 12420, 13024, 13607, 14451, and of the Princeton College collection, 
No. 1.578. 


Named for the veteran Pennsylvania geologist, Peter Lesley. 
STAPHYLINUS VETULUS sp. nov. 
Jed WAlestitexee lols aber 


A large and stout species, perhaps as nearly allied to our common S. 
vulpinus Nord. as to any of our living forms. The head, however, is more 
nearly rotund, not truncate posteriorly, and the sides strongly convex; 
apparently the surface was somewhat similarly punctate’ and was covered 
with a similar pile; the only bristles which can be seen are a pair of slender 
straight ones, distant from each other, but not so distant as they are from 
the eyes, between which they are placed; they are about as far apart as 
those on the front margin of S. vulpinus, but as far back as those on the 
inner margin of the eyes; they are also shorter than any of those on the 
head of S. vulpinus; and besides them are indistinct signs of some corre- 
sponding nearly in position to those on the front margin and on the posterior 
outer angles of S. vulpinus. 1 have examined nearly all our species of 
Staphylinus without finding any trace of bristles in such a position. The 
antenne are only partially preserved, the apex of the first joint with the 
seven succeeding showing upon one side and scarcely differing from their 
structure in S. vulpinus unless the first joint, only the tip of which is seen, 
is, to judge from the position of the apex, a little shorter than usual. 

The pronotum has the same surface structure as the head and is of 


much the same size and shape, being subrotund, no longer than broad, with 


STAPHYLINID ®. 53 


the front angles well rounded and the sides slightly and roundly angulate 
just in front of the middle; it is of the same width as the head, or perhaps 
slightly narrower, and shows the faintest sign possible of a longitudinal 
median angulation. The elytra are considerably broader than the thorax, 
narrowed and rounded in passing forward toward the humeral angle, have 
apparently the same surface structure as the thorax, and are about as long 
as broad. The abdomen is very regularly elongate obovate, the sides 
being nowhere quite parallel but shghtly rounded and the narrowed tip 
with a regular ovate outline. The remams of the legs show them to have 
been similar in length and stoutness to those of the species mentioned. 

Length of body, 19.5 mm.; width of thorax, 3.85 mm.; of elytra, 
5.5 mim. 


Florissant, Colorado; one specimen, No. 16410. 


STAPHYLINUS sp. 


Another species occurs at Florissant, apparently belonging here or to 
Ocypus, and of about the size of O. ater Gray. It has a somewhat similarly 
shaped head and thorax, which are smooth and glabrous. or nearly so, but 
the only specimen obtained (No. 11751) is so badly broken that it can not 
be further described. 


PHILONTHUS Curtis: 


A dominant cosmopolitan genus, of which eighty or ninety species are 
already known in the United States and Canada. Including those here 
given, seven fossil species have been described from the earlier Tertiary 
deposits of Colorado, France, and the Rhine, and the genus has also been 
recognized in amber. A single species has been found in the Pleistocene 
of Bavaria. 

The species which we have here grouped under this generic name agree 
in certain characteristics by which they differ from modern species of this 
genus. This is particularly the case in the nearly equal width of the head 
and prothorax, the brevity and rather uniform breadth of the latter, and the 
shortness of the antennze. It is probable that if we could become better 
acquainted with their entire structure we should be forced to separate them 
as a distinct generic type. 


o4 TERTIARY COLEOPTERA OF NORTH AMERICA. 


PHILONTHUS MARCIDULUS Sp. hoy. 
Plo Vis nes: (5,78) 13,016 


A large species, broadest at or beyond the tips of the elytra, the abdo- 
men tapering considerably beyond the middle. It was apparently black, 
or the abdomen possibly mahogany-black. The head is large, subquad- 
rate, apparently of about equal length and breadth, with slightiy rounded 
posterior angles and a slight neck; it is largest at or behind the middle, the 
eyes similar to but a little larger than those of P. cyanipennis Fabr., which 
it seems most to resemble, and the surface is smooth and glistening, with a 
few scattered, long, fine bristles; the mandibles are long and finely pointed, 
but much stouter and somewhat shorter than in P. cyanipennis; the antennee 
reach back only to or slightly beyond the middle of the prothorax, being 
considerably shorter than in most modern Philonthi, the brevity resulting 
from the lesser length of the elongated basal joints, and especially from the 
shorter basal joint, which appears to be scarcely more than half its usual 
length in recent Philonthi; the apical joints do not differ. The prothorax 
is subquadrate but broader than long, broadest posteriorly, with rounded 
sides, well-rounded posterior angles and roundly angulated anterior angles, 
the surface smooth and with no clearly perceptible punctures, though these 
may have existed. The legs are precisely similar to those of P. cyanipennis 
in form and clothing, particularly the armature of the tibiee, but are some- 
what shorter in proportion, the hind legs, for instance, being considerably 
less than half as long as the body, while in P. cyanipennis they are consider- 
ably more than half as long. The elytra are a third longer than the pro- 
thorax, rather minutely and obscurely punctate and villous, margined at the 
suture. The wings, one of which is pretty well exposed in one of the speci- 
mens (see fig. 5), reach to the last segment of the abdomen, are of a smoother 
outline than is figured for Philonthus by Burmeister,’ and are of precisely 
similar general character, the space between the mediastinal and scapular 
veins being delicately corneous, but the thickened reeurved vein connect- 
ing the upper branch of the externomedian with the scapular, beyond the 
joint, is more distinetly a vein in the fossil and completely unites these two 
veins, springing as it does distinctly from the externomedian. The two 


branches of the externomedian unite at the same point in each, but in the 


‘Untersuchungen Uber die Fligeltypen der Coleopteren, Pl., fig. 17, 1855. 


STAPHYLINID. 519) 


present (fossil) species at a much slighter angle, while the branches them- 
selves are both firm, gently and regularly curving lines, without the sinu- 
osity figured by Burmeister; the lower is accompanied throughout its course 
by an almost equally distinct vein-like thickening (apparently a fold of the 
membrane) given by Burmeister only near the margin of the wing; the sub- 
sequent nervules can not clearly be made out. The abdomen is compara- 
tively slender, shaped much as in P. cyanipennis, thinly villous, the terminal 
lateral appendages nearly as long as the last segment, slender, tapering on 
the apical third but bluntly rounded at tip, clothed rather sparsely with long 
and slender bristles; the median appendage of the male by no means as in 
P. cyanipennis, but very large and subtriangular, nearly as broad at base as 
the apex of the last segment, with convex lateral margin and appearing like 
a segment (as it really is) rather than as an appendage, which it resembles 
in the same sex of P. cyanipennis, where it is lanceolate with concave sides. 

Length (not including terminal appendages), 12.25 mm.; breadth, 2.8 
mm.; length of antenne, 2.5 mm.; of hind legs, 5.5 mm.; of lateral anal 
appendages, 1 mm. 

Florissant, Colorado; eight specimens, Nos. 4842, 7082, 9239, 9840, 


11265, 12486, 13145, 13630 and 13631. 
PHILONTHUS INVELATUS sp. nov. 
Pl. VI, figs. 9, 10. 


Head subquadrate, broader than long, tapering rapidly behind the eyes 
to a somewhat constricted neck, the surface apparently smooth; the eyes 
rather large, not prominent, the mandibles as in P. marcidulus or rather 
stouter; the antennz not reaching beyond the middle of the thorax and 
not very stout, the three basal joints of nearly equal length and twice as 
long as broad, the fourth and fifth obpyriferm, a little longer than broad, 
the apical ones broader than long. Prothorax apparently about equally 
broad and long, tumid and largest in the middle, smooth, with a few scattered 
long bristles. Legs as in P. marcidulus, but the tibize rather stouter and 
very heavily spined. Elytra about as long as the prothorax and. villous. 
Abdomen rather slender, equal except the last two segments, with long, 
straight, slender, lateral, spinous hairs; last two segments tapering rapidly 
to a rather pointed tip; lateral anal appendages long and slender, gently 
tapering and blunt tipped. The body is generally black or nearly so, but 


D6 TERTIARY COLEOPTERA OF NORTH AMERICA. 


the thorax and legs are much lighter and apparently were of a testaceous 
C6 lor. 

It appears to be somewhat nearly allied to the modern P. @neus Rossi, 
which it nearly approaches in size and with which it agrees tolerably well 
in the relation of the second and third antennal joints to the succeeding, but 
the posterior angles of the head are less prominent, and like the other species 
here described, it differs markedly in the brevity of the antenne. It is 
perhaps more closely allied to P. tachiniformis Say, figured by Sharp in 
the Biologia centrali-americana, but differs in the same points. In the 
shape of the head it is more like P. godmani Sharp trom Mexico, but it has 
not so long a prothorax. 

Length, 9.5 mm.; breadth, 1.75 mm.; length of antennze, 2.25 mm. 


Florissant, Colorado; one specimen, No. 616. 


PHILONTHUS HORNI Sp. HOV. 
PIS Vilieahioss ds 92: 


Head subquadrate, slightly narrower than the prothorax, but broadest 
at base and tapering forward, a little broader than long, smooth. Antenne 
scarcely reaching to the middle of the prothorax, moderately slender, 
increasing but very little and very gradually in size, the first joint obovate, 
largest just beyond the middle and about three times as long as broad, the 
second joint much slenderer and about half as long, the third slender and 
not greatly shorter than the first, the fourth quadrate, and the remainder 
increasingly broader than long, excepting the last, which is ovate. Pro- 
thorax broader than the head and nearly half as broad again as long, as 
broad anteriorly as posteriorly, with rather strongly and regularly convex 
sides, the surface smooth, with scattered short and very fine hairs. Elytra 
a little broader and considerably longer than (half as long again as) the 
prothorax, villous, with rather short hairs. Legs apparently much as in the 
other Florissant species, but only imperfectly preserved. Abdomen  sub- 
fusiform, largest at the third segment, tapering apically to a not very blunt 
point, the surface covered with hairs exactly like the elytra, with straight 
lateral diverging bristles on the last two segments. Lateral terminal 
appendages nearly as long as the last segment, straight, scarcely tapering, 


bluntly rounded at tip and covered with bristles; median anal appendage 


STAPHYLINID®. Di 


lanceolate, half as broad at base as the tip of the last segment, blantly 
pointed, reaching as far as the lateral appendages, and similarly hirsute. 

I can find no modern species with which to compare this unless it be 
the much slenderer P. tachiniformis (Say), and even in this the prothorax is 
much longer. 

Length, 9.5 mm.; breadth, 2.25 mm.; length of antennee, 1.75 mm.; of 
prothorax, 1.2 mm.; breadth of same, 1.8 mm. 

Florissant, Colorado; three specimens, Nos. 491 and 7533, 3128, 
13661. 

Named for the distinguished coleopterist, George H. Horn. 


PHILONTHUS ABAVUS sp. hoy. 
Pl. VII, fig. 3. 


This species is represented by several specimens, but none that are well 
preserved. It is smaller than the others described and differs from them in 
some few particulars, which can be determined. The head is rather small, 
narrower than the prothorax, subquadrate and smooth, not narrowed poste- 
riorly; the joints of the apical half of the antennze are entirely similar to 
those of P. horni. The prothorax is broad and short, as in P. horni, broad- 
est, however, posteriorly and narrowing throughout, as ordinarily in modern 
species of this genus, smooth. The legs are as in P. marcidulus, but the 
tibize are less heavily spined. The elytra are twice as long as the prothorax, 
thinly and very delicately villous, slightly marginate at the suture. The 
abdomen tapers gradually fr mm. the tip of the elytra to a bluntly rounded 
apex and is sparsely villous. 

Length, 7.5 to 9 mm.; breadth, 2 mm. 

Florissant, Colorado; three specimens, Nos. 4791, 7466, and of the 


Princeton College collection, 1.500. 


XANTHOLINUS Serville. 


A cosmopolitan genus with numerous species, of which above a dozen 
are North American. Fossil species have been found at Aix, in amber, and 


at Florissant, one in each. 


D8 TERTIARY COLEOPTERA OF NORTH AMERICA. 


XN ANTHOLINUS TENEBRARIUS sp. hoy. 
Pl. VI, figs. 4-6. 


The specimen referred here, if it does not belong strictly to Xantho- 
linus, is certainly nearly allied to it, but it differs from the modern species 
we have seen, either in nature or in illustrations, in the brevity of the antenne 
and their apical slenderness. It seems to be nearly allied to X. emmesus 
Gray., but is of the size of X. rudis Sharp of Guatemala. ‘The head is 
quadrate, longer than broad, narrowing posteriorly to a short neck half as 
broad as the head; antennze scarcely longer than the head and neck, the 
first jomt long, about one-fourth the length of the whole antenna, enlarg- 
ing apically to nearly double the width of the succeeding segments, the 
second and third of which are quadrate, the remainder transversely obovate, 
the terminal subglobular. Thorax as long as the head, apparently narrower 
than it, and as seen from a partially side view, it appears to taper forward; 
it is apparently smooth. The legs are similar to those of X. emmesus, but 
are proportionally a little shorter, and the tibize are of perhaps more uni- 
form size. ‘The elytra are considerably longer and somewhat broader than 
the prothorax and apparently smooth. The abdomen is narrower than the 
elytra, slender, elongated, with parallel sides, a little enlarged at the fifth 
joint, tapering beyond to a rounded extremity, the joints smooth, excepting 
the last, which bears some bristly hairs toward tip. 

Length, 11.5 mm.; breadth, 1.75 mm. 

Florissant, Colorado; one specimen, obtained by the Princeton museum, 
Nos. 1.563 and 1.607. 


LEPTACINUS Erichson. 


North America possesses about a dozen species of this genus, and about 
as Inany more are scattered all over the globe. The only fossils known are 
the five here described from Colorado. 

The species we have placed here belong without doubt to the Nantho- 
lini, but excepting the first and perhaps the second, do not agree with any 
of the genera of our existing fauna, being remarkable for the shortness of 
the head, antennze, and thorax, and the relative brevity of the elytra; the 
sutural stria is slight and the thoracic punctures do not appear to be 


aligned; nevertheless, as in the brevity of the parts they share the common 


STAPHYLINIDA. 59 


characteristics of most of the Florissant Staphylinidee, it has seemed best 


to refer them to Leptacinus, with which group they appear best to agree. 


LePTACINUS RIGATUS sp. Nov, 
Pl. VII, fig. 11. 


Head elongate-oval, considerably longer than broad, the sides only 
slightly convex, the hind angles well rounded, the eyes anterior, small, and 
scarcely prominent, the surface smooth but very faintly and very sparsely 
pilose, with three tolerably distinct longitudinal carinze, one median and 
two postantennal, disappearing before the hind margin; similar but very 
brief postantennal carinze are seen in a species of Leptacinus marked 
doubttully in Mr. Austin’s collection as L. batychrus Gyll., with which, better 
than any other I have seen, this species agrees generally. Antenne reaching 
to the middle of the thorax, moderately stout, scarcely increasing in size 
apically, the basal joint fully three times as long as broad, rather stout, the 
second less than half as long, and only half as long again as broad, the 
rest scarcely broader than long, with rounded sides. Thorax slightly longer 
than the head, oval, with well-rounded sides and ends, scarcely broader in 
front than behind, the surface sparsely punctate, the puncta giving rise 
each to a rather short hair. Elytra scarcely longer and much broader than 
the thorax, apically truncate, with the same punctuation and clothing as the 
thorax. Abdomen about a third as long again as the rest of the body and 
slender, being at base no broader than the thorax, with nearly parallel 
sides, but enlarging very slightly to the fifth segment, afterwards narrowing 
slightly, the tip rounded; the surface is more sparsely punctate than the 
thorax and elytra, with similar but seemingly shorter hairs, apparently with- 
out sete or fringes to the joints. 

Length of body, 4.5 mm.; of antennze, 0.8 mm.; breadth of elytra, 
0.9 mm. 

Florissant, Colorado; one specimen, No. 1794. 


LEPTACINUS FOSSUS sp. OV. 
Pl. VII, fig. 12. 


Head subquadrate, less than half as long again as broad, the sides par- 
| t=) to} 
allel, with rounded posterior angles, rapidly narrowing at extreme base to 


60 TERTIARY COLEOPTERA OF NORTH AMERICA. 


a slight and narrow neck, the surface smooth, with a few short and deli- 
cate seattered hairs. Antenne about as long as the head and neck, the 
joints beyond the first nearly quadrate, scarcely if at all enlarging apically. 
Thorax searcely longer than and of the same breadth as the head, appar- 
ently larger apically than at base, smooth, with a few short and delicate 
scattered hairs. Legs rather short. Elytra a little longer and somewhat 
broader than the thorax, apically squarely truncate, with a slight sutural 
stria, more distinet basally, and very sparsely pilose. Abdomen rather 
slender, equal, with a bluntly rounded tip, smooth, with a few scattered 
hairs. 

Length, 5.1 mm. The specimen is preserved on a side view, so that 
the breadth can not be accurately given, but assuming that of the abdomen 
to be the same as the height, the breadth behind the elytra is 0.85 mm. 


Florissant, Colorado; one specimen, No, 265. 
LEPTACINUS MACLUREI Sp. hoy. 
Pl valle ies 7 5. 


Head half as long again as broad, parallel sided posteriorly, tapering 
anteriorly, very rapidly narrowing behind to a slight and slender neck; 
surface smooth, with scattered hairs on minute tubercules. Antenne only 
a little longer than the head ard neck, the first joint nearly a fourth of the 
total length, the second to the fifth joints longer than broad, the sixth quad- 
rate, the remainder broader than long, the whole antenna enlarging very 
slightly and very gradually toward the tip, and the apical joint subelobose. 
Thorax slightly broader and a little shorter than the head, quadrangular, 
with equal sides, smooth, and clothed like the head. The legs agree very 
well with modern Leptacini and are not apparently any shorter. Elytra 
broader and longer than the thorax, thinly clad with short hairs. Abdomen 
very slender, but apparently enlarging a little toward the fifth segment and 
then tapering to a rounded point, the segments sparsely clothed with deli- 
cate hairs. 

Length, 7 mm.; breadth of elytra, 1.15 mm. 

Florissant, Colorado; nine specimens, Nos. 3169, 4268, 5379, 5630, 
6423, 6548, 10898, 11256, 13640. 

Named in memory of one of the earliest American geologists, William 


Maclure. 


STAPHYLINIDZ. 61 


LEPTACINUS LEIDYI sp. nov. 
Pl. VIL, fig. 14. 


Head half as long again as broad, tumid, with convex sides, rapidly 
tapering behind to a distinct neck, a little more than half as wide as the 
head; surtace coarsely and somewhat sparsely punctate. Antenne reaching 
back scarcely beyond the front edge of the prothorax, scarcely enlarging 
apically, the joints beyond the basal one subquadrate, the second to the 
sixth inclusive slightly longer than broad, those beyond slightly broader 
than long, the last subglobose. Thorax about as long as and a little broader 
than the head, the sides apparently parallel, the surface with mingled fine 
and coarse punctuation and finely pilose. The legs proportionally much 
shorter than in modern Leptacini, but otherwise similarly constructed, and 
the front tarsi dilated as much as in L. nigripennis LeC. Elytra a little 
longer than the thorax, probably not much broader, squarely truncate at 
apex, but with both outer angles well rounded, the whole punctate and 
pilose like the thorax. The abdomen is seen laterally but appears to be 
much slenderer than the elytra, with tolerably parallel sides, expanding 
slightly to the fifth segment and then rapidly narrowing to a bluntly 
rounded apex, the whole surface punctate and delicately pilose like the 
other parts. The whole body and its appendages piceous throughout. 

It is a much stouter form than L. maclurei, and its punctate body 
separates it distinctly from that. 

Length, 5.5 mm.; breadth, 1 mm.; length of hind legs, 2.5 mm. 

Florissant, Colorado; one specimen, No. 13615. 

Named in memory of the distinguished zoologist and paleontologist, 
Joseph Leidy. 

LEPTACINUS ? EXSUCIDUS sp. nov. 
Pl. VI, fig. 13. 


The species here considered can hardly be congeneric with the modern 
forms of this genus, nor with the other species from Florissant which are 
here described as Leptacini. There appears to be absolutely no neck, and 
the thorax is crowded closely both upon the head at one end and the elytra 
at the other—and the straight equal and parallel sides of the body appear to 
show that this is not a mere accident of preservation—so as to make it very 
slightly resemble one of the tribe of Xantholini, to which otherwise it would 


62 TERTIARY COLEOPTERA OF NORTH AMERICA. 


appear to belong. 1 have therefore placed it in the genus to which most of 
the Florissant Xantholini are referred, until more material may give us better 
means for judgment. It should possibly be placed in Othius. 

The head is quadrate, of about equal length and breadth, with 
scarcely rounded posterior angles, the surface feebly and shallowly 
punctate, with scattered short hairs. Antennze poorly preserved but 
evidently geniculate, reaching back nearly to the middle of the thorax 


(which is not far, both head and thorax being so short), enlarging a little 


apically, the terminal joints scarcely broader than long and the last 
one subglobose. Thorax quadrate, scarcely so long as_ broad, with 
straight and almost parallel sides, scarcely narrowing from base to apex, 
where it is scarcely broader than the head, shallowly punctate and with 
short scattered hairs. Legs rather short, the tibiae very slender. Elytra 
apparently somewhat longer but scarcely broader than the thorax and 
apparently with the same structure. Abdomen scarcely narrower than the 
elytra, with straight and parallel sides, the apex bluntly rounded, the surface 
faintly and minutely punctate. 
Length, 5.6 mm.; breadth, 0.9 mm. 


Florissant, Colorado; one specimen, No. 12767. 
| 


LATHROBIUM Gravenhorst. 


A genus rich in species, almost exclusively found in north temperate 
regions, but with a few elsewhere, and abundantly supplied in North America. 
Only a few fossil species are known; one occurs in the Pleistocene of Canada; 
a different species is found at each of the older Tertiary localities of Aix, 
Oeningen, and Wyoming, and the genus has been recognized in amber. 


LATHROBIUM ABSCESSUM. 


Lathrobium abscessum Scudd., Bull. U. S. Geol. Geogr. Surv. Terr., Il, 791 (1876); 
Tert. Ins. N. A., 505-506, pl. 8, figs. 15, 21 (1890). 


Green River, Wyomine. 
LATHROBIUM INTERGLACIALE. 


Lathrobium interglaciale Scudd., Tert. Ins. N. A., 506, pl. 1, fig. 88 (1890); Contr. 
Canad. Palzont., Il, 44 (1892). 


Clay beds of Searboro, Ontario. 


STAPHYLINIDE. 63 


LITHOCHARIS Dejean. 


A cosmopolitan genus, rather rich in species, of which only about half 
a dozen are known from North America. The only fossils known are two 


from the earlier Tertiaries at Aix and Florissant. 


LITHOCHARIS SCOTTIL sp. nov. 
Pl. VII, fig. 16. 


Head of about equal length and breadth, largest just behind the middle, 
scarcely narrowing behind, with slightly rounded posterior angles, the base 
truncate, the surface with scarcely perceptible delicate transverse ruge. 
Slight traces of the palpi show nothing different from Lithocharis. Antennze 
reaching to the end of the tegmina, rather slender, scarcely enlarging 
apically, the joints long, ovate, but none of them greatly larger apically 
than basally, the second and third joints not stouter than the others (in 
which the species differs from L. corticina Gray., with which it otherwise 
best agrees), the fourth to the sixth longest and about two and a half times 
longer than broad, most of the others about twice as long as broad, the 
apical joint globose and not enlarged. Thorax slightly broader than the 
head, subquadrate, the sides slightly convex, all the angles equal and 
scarcely rounded, the surface apparently smooth, with a few very short, 
delicate hairs and a faint median carina. Legs closely resembling those of 
L. corticina, but shorter, and the tibize slenderer and scarcely enlarged 
apically. Elytra considerably broader than the prothorax, longer than the 
head and thorax together, with well-rounded humeral angles, similarly 
rounded outer apical angles, squarely truncate apex, a slight sutural stria, 
and a smooth surface with a sight covering of fine hairs. Abdomen beyond 
the elytra about as long as the thorax and elytra together, broader than the 
thorax, but narrower than the elytra, scarcely tapering apically to a roundly 
pointed apex, the sides margined, and the surface apparently smooth and 
slightly villous. 

Length, 6 mm.; breadth, 1.6 mm.; length of hind lees, 3.1 mm. 

Florissant, Colorado; one specimen, No. 1.556 of the Princeton museum. 

Named for my paleontological friend, Prot. W. B. Scott, of Princeton. 


64 TERTIARY COLEOPTERA OF NORTH AMERICA. 


Tacuinus Gravenhorst. 


A genus tolerably rich in species, almost exclusively found in north 
temperate regions, and of which a couple of dozen occur in North America. 
The genus has been recognized in amber, but no fossil species, except the 


following from Florissant, has been described. 


‘TACHINUS SOMMATUS sp. nov. 
Pl. VIL, figs. 8-10. 


Head small, triangular, broader than long, narrowing behind the eves, 
smooth, with excessively delicate transverse rugee. The slight remains of 
the maxillary palpi show that they are not subulate. Antenne reaching 
almost but not quite to the hind border of the thorax, only slightly enlarg- 
ing apically, the first four smooth and naked joints differmg from those of 
T. fimbriatus Grav., with which this species agrees well in general appear- 
ance and size, in that they are not so dilated apically and the fourth joint 
is scarcely shorter than the third; neither are the fifth to the tenth joints 
darker colored and pilose as in the modern species, but they are not so 
uniform, the fifth and sixth, and especially the fifth, bemg considerably 
longer than broad, the seventh and eighth equally long and broad as in 7. 
fimbriatus, and the ninth and tenth broader than long; the last jomt is pyri- 
form but no larger than the tenth. Thorax shaped as in 7. fimbriatus, smooth, 
or with faint signs of excessively delicate transverse rugee. Legs, excepting 
the bases of the femora, not preserved in any of the specimens. Scutellum 
considerably larger than in 7. fimbriatus. Elytra perhaps slightly broader 
than the thorax, as long as the head and thorax together, the humeral and 
outer apical angles more rounded than in the modern species mentioned, 
apically truncate, the surface with the same transverse microscopic rug 
which characterize the head and thorax, and without any punctuation such 
as is found in all the eight or ten modern species of Tachinus I have seen. 
Apparently, too, the elytra are of the same light (reddish?) color as the 
head and thorax, in contrast to the black abdomen, which tapers uniformly 
to a dull point, the whole body being fusiform, but more pointed behind 
than in front; the abdominal joints are margined and the surface indistinctly 
punctate, clothed sparsely with short hairs and with four rows of long 


spinous hairs attached to the hinder margins, one to a segment in each row, 


STAPHYLINID A. 65 


one row at the sides, and one row laterodorsal. The fifth segment is only 
about half as long again as the preceding, differing markedly in this respect 
from the modern species; the last dorsal segment is quadridentate (in the 
female), resembling most in this respect the much smaller American species 
T. tachyporoides and T. repandus Horn, but the lateral teeth are broader and 
more conical than in either of these, a feature which is not found in any of 
the species figured by Horn. They are slightly distorted in the specimen, 
the outer one on the right side being evidently not fully displayed. 

Length, 7.5 mm.; breadth, 2.5 mm. 

Florissant, Colorado; five specimens, Nos. 548, 3395, 8446, 7581, 
12058. 

TACHYPORUS Gravenhorst. 


This genus is moderately rich in species, almost exclusively found in 
north temperate regions, and of these more than half a dozen occur in the 
United States. In the older Tertiaries, single species occur at Florissant 
and Rott, and the genus has been recognized in amber. 


‘TACHYPORUS NIGRIPENNIS sp. Nov. 
Leaks WOU Saveg ake 


Head rounded, short, triangular, smooth, and piceous. Antenne 
reaching to the end of the thorax, enlarging gradually and slightly, testa- 
ceous. Thorax luteous, smooth, and shining, just twice as broad as long, 
searcely narrower than the elytra, the sides narrowing strongly toward the 
apex, rounded, especially at the angles, squarely truncate at base. Elytra 
together nearly half as wide again as long, longer than the head and thorax 
together, squarely truncate at apex, the humeral angles well rounded, the 
surface smooth, with occasional short bristles, and testaceous, deepening to 
piceous on the basal two-thirds and sometimes including the whole of the 
elytra. Abdomen narrower at base than the tip of the elytra, tapering 
regularly to a rounded point, piceous on apical, dark testaceous on basal 
half, the tips of the segments and to some extent the other parts at the 
sides furnished with black bristles, the edge of the basal segment with four 
rather large equidistant bristles just at the tip of the elytra, not preserved 
in the specimen figured. It seems to agree well in size and general 
appearance with our 7. jocosus Say, but differs from all our species in its 


MON XL 15) 


66 TERTIARY COLEOPTERA OF NORTH AMERICA. 


decidedly particolored markings, and in the bristles on the basal abdominal 
segment. a 
Length, 4 mm.; breadth, 1.25 mm. 

Florissant, Colorado; five specimens, Nos. 266, 4939, 7319, 11783, 


12422. 
BOLETOBIUS Leach. 


This is a north temperate genus, containing about half a hundred 
species, about half of which belong to North America. The only fossil 
species known are the four here described from Colorado. 

The species placed here differ from the modern species of the genus I 
have seen in one common character, the proportional shortness of the 
thorax, more marked in some than in others, but in all but one (B. funditus) 
strikingly apparent. As, however, this is in accordance with other differ- 
ences of a similar nature apparently affecting all the Florissant Staphylinidee, 
there seems to be no ground for hesitation in placing them here. 


BoLETOBIUS LYELLI sp. nov. 
JAG NAOUE, niteee2e 


Head oblong oval, perhaps half as long again as broad, smooth, 
fusco-testaceous, shining. Antennee imperfectly preserved. Thorax taper- 
ing a little from base to apex, no longer than the head, smooth, luteo-testa- 
ceous, shining. Legs short and slender. Elytra considerably broader than 
the thorax and as long as or a little longer than the head and thorax com- 
bined, a little wider than long, smooth and shining, fusco-testaceous and 
apparently with a sutural, a marginal, and a pair of discal sharp strie, 
scarcely punctured. Abdomen as broad at base as the elytra, beyond 
regularly and gently tapering to a blunt point, the abdomen beyond the 
tips of the elytra being half as long again as the rest of the body; the surface 
smooth, of variable color, the hinder edges of the segments, especially the 
hinder ones, armed with numerous bristly hairs. The species is a large one, 
and belongs apparently in the vicinity of those for which the generic name 
Megacronus was proposed by Stephens. 

Length, 6.5 mm.; breadth, 1.4 mm. 


Florissant, Colorado; two specimens, Nos. 2995, 10807. 


SFAPHYLINID®. 67 


BoLeroBrus FUNDITUS Sp. Nov, 
Pl. VII, tig. 3. 


Head long oval, tapering, apparently smooth, piceous, Antenne not 
preserved. Thorax fully as long as the head, tapering strongly from base 
to apex, smooth, piceous.  Elytra broadening posteriorly, only a little longer 
than the thorax, and much wider than long, smooth, piceous. Abdomen 
longer than the rest of the body, a little narrower at base than the elytra, 
beyond tapering very gently, the tip rounded; the surface is smooth, piceous, 
almost entirely free from hairs, excepting a short and inconspicuous fringe 
along the posterior margins. 

This is an ordinary sized species, and appears to be of a uniformly 
black color and unusually smooth; it is of about the size and form of our 
B. cinctus Gray. 

Leneth, 6 mm. 


Florissant, Colorado; one specimen, No. 6055. 


BoLETOBIUS DURABILIS sp. NOv. 
Pe Vial hos 4.05. 


Head small, elongate, half as long again as broad, with nearly parallel 
sides, smooth, shining, fusco-testaceous. Antennze not long enough to reach 
the hinder edge of the thorax, the first three joints long, very slender, smooth 
and luteous, the first as long as the second and third, which are equal; the 
remainder dark testaceous, bristly, growing constantly wider, the fourth as 
long and nearly as slender as the third, and lighter in color than the others, 
the fifth, sixth, and seventh nearly quadrate, the remainder broader than 
long, the apical subglobose. Thorax much broader than the head even at 
tip, tapering but little, with rounded sides, scarcely so long as the head but 
nearly twice as broad as long, smooth and luteous. Legs too poorly pre- 
served to admit of statement. Elytra as broad at base as the thorax, 
broadening considerably on the basal half, slightly longer than the head 
and thorax together and longer than broad, smooth, luteo-testaceous. —Abdo- 
men almost as long as the rest of the body, as broad at base as the elytra, 
with parallel sides on the basal half, narrowing beyond to a rounded tip, 
sparsely covered with bristly hairs, almost as frequent over the whole sur- 


face as on the apical edges of the segments. 


68 TERTIARY COLEOPTERA OF NORTH AMERICA. 


This species, on account of the excessive brevity of the thorax as well 
as of the antenne (which, notwithstanding the shortness of the thorax, do not 
reach its hinder edge) can hardly be compared with any of our modern forms. 

Length, 5 to 6 mm.; breadth, 1.25 to 1.5 mm. 

Florissant, Colorado; three specimens, Nos. 3735, 6930, 9207. 


BoLETOBIUS STYGIS sp. Nov. 
Pl. VIU, fig. 7. 


Head less than half as long again as broad, with nearly straight and 
converging sides, smooth, piceous. Antenne reaching back almost to the 
base of the thorax, very gradually enlarging from the fifth joint apically, 
these joints stout, subquadrate, dark luteous, hairy, the fifth and sixth joints 
slightly longer than broad, the seventh to tenth of nearly equal length and 
breadth, scarcely cuneiform, the last largest and ovate, one-third as long again 
as broad (the basal joimts not preserved). Thorax longer than the head, 
but apparently broader at base than long, tapering regularly from base to 
tip, the latter being as broad as the head, the disk smooth, shining, luteous. 
Elytra apparently of same width as the base of the thorax, longer than 
head and thorax, piceous. Abdomen not so long as the rest of the body, 
as broad at base as the elytra, narrowing at first slightly, on the apical half 
more rapidly, to a somewhat pointed apex. the surface blackish testaceous, 
with some bristly hairs. 

This is the smallest of the Florissant species and about as small as any 
of our living American species; it differs from all I have seen in the char- 
acter of the antennee, and like B. durabilis, to which of the Florissant species 
it is most nearly allied, has a very short thorax, though not of such excessive 
proportions as there. 


Length, 3.25 mm. 


fod 


Florissant, Colorado; one specimen, No. 5397. 


MYCETOPORUS Mannerheim. 


A north temperate genus, tolerably rich in species, of which more than 
half a dozen occur in the United States. The only fossil species described 
is the one here given from Colorado, but the genus has been recognized in 
amber. 


STAPHYLINID®. 69 


MycrToporus DEMERSUS sp. nov. 
PY Vill, fig..6. 


Of the form and size of B. americanus Er., which it closely resembles. 
Head rounded triangular, of equal length and breadth, fusco-testaceous, 
smooth and shining. Antenne reaching a little farther back than the hinder 
edge of the thorax, and therefore considerably shorter than in B. americanus, 
impertectly preserved, but so far as can be seen of precisely the same gen- 
eral form as there, except in being somewhat slenderer, and with the same 
form of such individual joints as can be made out (notably the fifth or 
sixth and the last), except in their greater brevity, apparently uniformly 
luteous. Legs rather short. Thorax slightly longer than the head, about 
half as wide again as long, tapering, in front of the same width as the head, 
scarcely broader behind than the base of the elytra, smooth, shining, and 
luteous. Elytra slightly shorter than the head and thorax together, slightly 
broader than long, smooth, shining, fusco-testaceous, with sutural, lateral, 
and diseal striz, having faint signs here and there of delicate sete in them. 
Abdomen as broad at base as the elytra, about as long as the rest of the 
body, tapering pretty uniformly to a dull point, luteous or luteo-testaceous, 
the surface smooth and shining, apparently with no pubescence, but the 
apices of the joints with a few fine setee which become coarse and longer 
on the terminal joints, especially at the sides. 

Length, 3.75 mm.; breadth, 1 mm.; length of antennze, 1.2 mm. 

Florissant, Colorado; one specimen, No. 14737, obtained by Miss C. 
H. Blatchford. 

OXYPORUS Fabricius. 


This genus, with a moderate number of species, is almost exclusively 
North American, but a couple of species occur in Europe. In the older 
Tertiaries of Europe four species occur at Oeningen, Rott, and in amber. 
In America a single fossil is known, from the Pleistocene of Canada. 


OXxyYPORUS STIRIACUS. 


Oxyporus stiriacus Seudd., Tert. Ins. N. A., 505, pl. 1, fig. 36 (1890); Contr. Canad. 
Paleont., II, 44 (1892). 


Clay beds of Scarboro, Ontario. 


70 TERTIARY COLEOPTERA OF NORTH AMERICA. 


BLEDIUS Leach. 


A cosmopolitan, but prevailingly north temperate genus with numerous 
species, of which more than forty are North American. In the earlier Ter- 
tiaries of Europe a species has been described from Oeningen, another (as 
a Stenus) from Aix, and the genus has been recognized in amber. In North 
America half a dozen species are described from Colorado and Wyoming, 
and besides these, one from the Pleistocene of Canada. 

Two of the species from Florissant placed in this genus are remarkable 
for the uniform, close, and coarse granulation covering alike head, thorax, 
elytra, and abdomen, a peculiarity which seems to bring them nearest the 
armatus group of our living American forms, though in none of these, so 
far as I have seen them, is the abdomen closely eranulate. With them 
agrees very well the Stenus prodromus Heer from Aix, which I am strongly 
inclined to think should be regarded as a Bledius. A third Florissant speci- 
men agrees still better with the same armatus group, the granulations of the 
abdomen being comparatively infrequent, but im the coarse and heavy 
antenne, with no slender joints near the base, it departs altogether from any 
Bledius I have seen. In the fourth Florissant species and the two from 
Green River the granulation is feeble and sparse everywhere or wanting, 
and seems in all to be almost altogether or wholly wanting on the abdomen, 
though one of the Green River specimens still seems to belong to the armatus 
group, while closely resembling the fourth Florissant species in the form 
of the prothorax.. In all, so far as can be seen, the antennz are unusually 
short. 

BLEDIUS GLACIATUS. 


Bledius glaciatus Seadd., Tert. Ins. N. A., 505, pl. 1, fig. 85 (1890); Contr. Canad. 
Paleont., IT, 48 (1892). 


Clay beds of Searboro, Ontario. 
BLEDIUS MORSEI sp. nov. 
Pl. VILL, fig. 8. 


Both specimens referred here are preserved on a side view, so that 
the species can not be so well characterized as if the upper surface were 
shown. The head is coarsely granulate excepting on the neck below, where 


it is marked with exceedingly delicate, transverse, broken striation or comb- 


STAPHYLINID 2. fl 


ings. The antennz reach back to the middle of the thorax and are of the 
same general structure as those of B. armatus Er. (except for the slighter 
enlargement of the basal joint apically), with which this species agrees well 
both in size and general appearance. The thorax is shorter than the head, 
uniformly, heavily, and coarsely granulate, much more heavily than the 
head, the granulations being rather ovate than round. The legs are of 
much the same structure as in B. armatus, excepting that the hind tibize are 
not quite so enlarged apically, but the legs are slightly shorter. The elytra 
are granulate like the thorax and much longer than it. The thoracic sterna 
are almost equally granulate, while the abdomen, which in the last two or 
three joints tapers to a blunt point, is less heavily and less densely granu- 
late, and here the granulations seem to be the bases of short delicate hairs. 

Length, 6.65 mm.; of antennze, 1.2 mm.; breadth of abdomen behind 
the elytra, 1.5 mm.; length of abdomen, 3.65 mm.; of hind legs, 2.75 mm. 

Florissant, Colorado; two specimens, Nos. 2337, 11313. 

It is possible that the specimen numbered 1.520 in the Princeton 
museum may belong here, though a larger and somewhat stouter insect 
appears to be indicated, and it is too imperfectly preserved to be sure that 
it is generically the same. 

Named for my versatile friend, Edward 8. Morse, of Salem, in memory 
of student days together under Agassiz. 


BLEDIUS SOLI sp. nov. 


PL VIU, figs. 10, 14. 


The head is elongated rather than transverse; its surface, excepting on 
the neck below, where it is marked exactly as in B. morse, is granulate but 
not prominently. The antennee reach to the middle of the thorax and 
agree entirely in form and structure with those of B. morsei. Thorax shorter 
than the head, nearly half as broad again as long, with gently convex sides, 
the surface very coarsely granulate. Legs agreeing exactly with those of 
B. morsei, but they are, if different, even shorter. Elytra as long as the 
thorax and half the head, rather broader than long, at base only a little 
broader than the thorax, coarsely granulate. Abdomen longer than the rest 
of the body, narrower at base than the elytra, gradually tapering to a 
bluntly rounded, narrow tip, coarsely granulate like thorax and elytra. 
The whole body is piceous. 


=~] 
© 
~ 


TERTIARY COLEOPTERA OF NORTH AMERICA. 


The species closely resembles the preceding in general appearance, but 
is smaller and is at once distinguished by the equal density and coarseness 
of the abdominal granulations as compared with those of the thorax and 
elytra. 

Length, 4.8 to 5.1 mm.; breadth, 1.3 mm. 

Florissant, Colorado; two specimens, Nos. 1123, 2803. 

This species comes close to the fossil Stenus prodromus Heer trom Aix, 


which I should look upon as a Bledius. 
BLEDIUS OSBORNI sp. nov. 
Pl. VIL, figs. 11, 12. 


This species, smaller than the last, but closely resembling it in general 
appearance, differs from it and from B. morse? in its more finely granulate 
body and stouter legs, and from all other species described, living and fossil, 
in the coarseness of the antennee. The body is piceous throughout. The 
head is as broad as the thorax, subquadrate, of equal length and breadth, 
the surface exceedingly finely granulate, or in places with irregular trans- 
verse striation, which if broken by equally deep opposing strize would form 
similar granulations. Antennze reaching to the posterior edge of the thorax, 
stout, enlarging but slightly and with perfect uniformity from the second 
joint outward, the first joint not very long and not greatly enlarged apically, 
the second scarcely smaller at base than the apex of the first, and as large 
as it at apex, being like the succeeding joints cuneiform with slightly convex 
sides and rounded apical angles, the second to the fourth joints a little longer 
than broad, the fifth to the eighth about equally long and broad, the ninth 
and tenth a little broader than long and half as broad again as the second, 
the apical joint subrotund, slightly longer than broad. Thorax of the length 
of the head, equal, the surface very finely granulate, the granules so arranged 
as to give somewhat the appearance of longitudinal beaded combings. 
Legs short and rather stout, the tibia scarcely enlarging apically. Elytra 
a little longer than the thorax, broader than long, delicately and rather 
feebly granulate. Abdomen half as long again as the rest of the body, as 
broad at base as the thorax, with parallel sides, tapering only in the last 
three segments, the tip bluntly pointed, the surface delicately and especially 
above rather sparsely granulate, very finely and very sparsely pubescent 


both above and below. 


STAPHYLINID.®. 13 


Length of body, 4.25 mm.; of antennz, 1 mm.; breadth of base of 
abdomen, 0.65 mm. 

Florissant, Colorado; three specimens, Nos. 7718, 12770, and of the 
Princeton museum, 1.554 and 1.605. 

Named for my friend, Prof. H. F. Osborn, now of Columbia, but when 


this description was drawn up, of Princeton University. 


BLEDIUS PRIMITIARUM sp. Nov. 
Pl. VII, fig. 13. 


Head ovate, considerably longer than broad, with gently rounded sides, 
strongly rounded posterior margin, and globose, prominent eyes, situated 
laterally rather far back; surface smooth and shining, with irregular, excess- 
ively fine transverse combings. Antenne reaching nearly to the middle of 
the thorax, rather stout, not increasing in size much beyond the middle, but 
with the usual contrasted slenderness at the base, the joints of the apical 
half only a little broader than long, the apical joints subrotund. ‘Thorax 
subquadrate, much shorter and scarcely broader than the head, with gently 
rounded sides, the angles nearly rectangular, blunt; surface like that of the 
head. Legs very short, the femora only moderately stout, the tibize stout, 
increasing considerably in size toward the apex, with a single, rather slender, 
interior, apical spine as long as the apical width of the tibia. Elytra scarcely 
longer than the head, somewhat broader than the thorax, of about equal 
length and breadth, the surface sparsely and very faintly punctate and with 
exceedingly brief and sparse pubescence. Abdomen very short, not so long 
as the thorax and tegmina together, at base as broad as the tegmina, the 
basal half equal, beyond tapering rapidly to a rather blunt point, the sur- 
face sparsely pubescent, but otherwise smooth except for a feeble, sparse, 
and coarse punctuation laterally. Whole body piceous. 

This species appears to be most nearly related to the annularis group, 
but is very different in several points from any of the species belonging to 
it I have seen, and is larger than all and much larger than most of them. 

Length of body, 6 mm.; of antennze, 1.5 mm.; of hind legs, 2.5 mm.; 
breadth, 1.75 mm. 

Florissant, Colorado; one specimen, No. 6891. 


74 TERTIARY COLEOPTERA OF NORTH AMERICA. 


BLEDIUS FACORUM sp. NOV. 


PIS Vallis fos .9° 


t=} 


Head subquadrate, slightly longer than broad, with very gently rounded 
sides, slightly prominent eyes, and roundly truncate hind margin; surface 
with a fine, scarcely perceptible granulation. Antenne fragmentary and 
detached, but apparently not reaching the middle of the thorax; the most 
that can be said is that the basal joints (beyond the first) are slender, that 
beyond they increase slightly in size and are scarcely broader than long on 
the apical joints, the last of about equal length and breadth and obpyri- 
form. Thorax about one-fifth broader than the head, transverse, being 
about half as broad again as long, with gently convex subangulate sides, 
acute anterior and slightly obtuse posterior angles, the front margin very 
gently concave and hind margin as gently convex, the surface sparsely and 
somewhat obscurely punctate. Elytra nearly as long as the head and 
thorax together and somewhat broader than the thorax, sle¢htly broader 
than long, with rounded humeral angles, the apical margin truncate with a 
slight obliquity, the surface faintly and sparsely punctulate, with faint signs 
of a sparse pubescence; that the lateral declivent portion of the elytra was 
separated from the dorsal area by a sharp carina is evident from the sharp 
line which separates the here jointly flattened fields in the specimen from 
base to apex; nothing of this sort appears in the modern species of Bledius 
I have seen excepting next the humeral angle; but a nearer approach to it 
is found in the neighboring genus Oxytelus; since, however, there is no sign 
whatever in the present species of the broad thoracic furrows peculiar to 
Oxytelus, I have preferred to consider this as belonging to the present 
genus. Abdomen considerably longer than the rest of the body, nearly 
as' broad at base as the elytra, equal for some distance, but in the three 
apical segments rapidly and conically narrowing to a blunt point, the surface 
scarcely granulate, with no evident signs of pubescence. 

The species seems to belong to the armatus group and to be most 
nearly though still rather distantly allied to B. flavipennis LeC.—a some- 
what smaller species. It would appear to have been of a fusco-ferruginous 
color. 

Length, 5.6 mm.; breadth, 1.3 mm. 


Green River, Wyoming; one specimen, No. 186, Dr. A. S. Packard. 


STAPHYLINID®. 5) 


BLEDIUS ADAMUS. 


Bledius adamus Scudd., Bull. U. S. Geol. Geogr. Sury. Terr., I\ 
Ins. N. A., 504, pl. 8, fig. 10 (1890). 


5 (62 (1878); Tert. 


This species, though poorly preserved, would appear to be allied to the 
last two species, but has head, thorax, elytra, and abdomen of equal breadth; 
the head appears to be faintly marked with a rather coarse transverse comb- 


ing, 


while the thorax and elytra are indistinetly and minutely granulated, 
which may possibly be traced on the abdomen. It is perhaps nearer the 
semiferrugineus group than any other. 


Green River, Wyoming. 


PLATYSTETHUS Mannerheim. 


This genus has a moderate number of species, nearly all of which are 
found in the north temperate regions of the Old World. North America 
has but a single living species, but two occur in the Oligocene of Colorado. 

* The two species placed here are remarkable for their close resemblance 
to our American species in the surface structure of the upper side of the 
body, and they agree well also in the more important features. They both 
differ, however, in their shorter antennze, and each has certain peculiar 
features of its own; in general, however, their affinities with a living type 


is more marked than in any other group of Staphylinidee. 
PLATYSTETHUS CARCAREUS sp. Noy. 


PL. IX, fig. 1. 


Body piceous throughout, excepting the prothorax, which is dark tes- 
taceous. Head rounded, transverse, slightly broader than long, the surface 
apparently with fine transverse rugee. Antenne shorter than in our com- 
mon P. americanus Er. (which it closely resembles in size, form, and general 
proportions, as well as in minor characters), scarcely reaching beyond the 
middle of the prothorax, of exactly the same structure as in our species. 
Thorax fully as long as the head and somewhat broader than it, transversely 
quadrate; its exact form can not be determined, but it would appear to be 
broader posteriorly than in our modern species; it has a distinct median 
stria, deeper than in the living form, and, like it, is sparsely punctate, the 
puncta giving rise to delicate hairs, which are only half as long as in P. 


76 TERTIARY COLEOPTERA OF NORTH AMERICA. 


americanus.  Elytra similarly punctate, with similar short hairs, the elytra 
themselves as broad as the thorax or broader, and scarcely longer than it. 
Abdomen narrower than the elytra, much longer than the rest of the body, 
gradually tapering to a pointed tip, each joint fringed with long, distant 
hairs and at outer margin with a very long fine seta, the surface besides 
very sparsely pilose and apparently punctate like the thorax and elytra, in 
which particulars it again agrees well with the American species. : 
Length of body, 4.25 mm.; of antennze, 0.8 mm. breadth, 0.75 mm. 


Florissant, Colorado; one specimen, No. 256. 
PLATYSTETHUS ARCHETYPUS sp. Nov. 
PI. IX, fig. 2. 


This species, agreeing better in form and size with our living American 
species than the preceding, does not so well resemble it in structure. The 
whole body is black. The head is subtriangular, of about equal length and 
breadth, with rather prominent large eyes, which give a somewhat angular 
outline to the sides; the surface is very sparsely and rather obscurely punc- 
tulate, each punctuation giving rise to a short hair, The antenne are so 
imperfectly preserved that not much can be said of them, but they appar- 
ently agree in every respect with the other fossil species; at least they are 
longer than the head, have a slender basal and a not greatly enlarged apical 
portion. Thorax rather longer and much broader than the head, much 
broader than long, truncate at base and apex and with subangulate sides; 
there is a fine median stria and a pair of distinet sinuate oblique carinze on 
the disk, each running from one of the anterior angles to the middle of the 
base, but fading at either extremity; the surface is otherwise precisely simi- 
lar to that of the other fossil species. Elytra considerably broader than the 
thorax, longer than the head and thorax together, scarcely longer than 
broad, with the same surface structure as the thorax, but apparently with 
longer hairs. Abdomen rather shorter than the rest of the body, a little 
narrower than the elytra, scarcely broadening posteriorly for the first four 
segments, behind that broadly rounded and scarcely produced, the surtace 
with scarcely perceptible, very sparse punctuation, but with hairs like those 
of the thorax, and no perceptible fringe or lateral setee to the joints. 

Length, 8 mm.; breadth, 1 mm. 


Florissant, Colorado; one specimen, No. 263. 


STAPHYLINID.E. daha 


OXYTELUS Gravenhorst. 


A cosmopolitan genus, withtnumerous species, of which North America 
has its fair share. It has been recognized in the early Tertiaries of New 
South Wales, and in amber, and four species have been described from 


Alsatia. Oeningen, and Utah. 


OXYTELUS PRISTINUS. 


Oxytelus pristinus Seudd., Bull. U. S. Geol. Geogr. Surv. Terr., Il, 79 (1876); Tert. 
Ins. N. A., 503-504, pl. 5, figs. 118-120 (1890). 


White River, Utah. 


GEODROMICUS  Redtenbacher. 


A north temperate genus with a moderate number of species, of which 
North America possesses only four. It has been found fossil only in 
America, in the older Tertiaries of Colorado, and in the Pleistocene of 

’ 


Canada. 
GEODROMICUS ABDITUS sp. Nov. 
Pl. IX, fig. 3. 


Unfortunately the single specimen on which this species is founded 
lacks the head, but as the form and surface structure of the other parts is 
somewhat peculiar, it is with little doubt that we place it here. The thorax 
is scarcely broader than long, the front and hind margin truncate, the sides 
strongly convex and slightly angulate just in advance of the middle, the 
hind margin therefore a little narrower than the front margin, the angles 
scarcely rounded; there is a slight median impressed line, and the whole 
surtace is very delicately granulated, with scattered short delicate hairs. 
The elytra are half as broad again as the thorax, but narrow toward the 
base; they are nearly twice as long as the thorax, and they are together 
angularly emarginate at apex, and delicately margined laterally; the surface 
structure is the same as that of the thorax, only the granulations are a trifle 
coarser. The abdomen is scarcely so long as the thorax and elytra together, 
long ovoid, narrower at base than the elytra, beyond equal to.it in breadth, 
roundly pointed at apex; the surface is vaguely granulated and very sparsely 
and briefly pilose. The whole body is piceous. 


78 TERTIARY COLEOPTERA OF NORTH AMERICA. 


The species agrees best perhaps with G. nigritus Miill., but is not very 
close to any, differing in the granulated structure of the. body and the 
absence of any posterior collar-like constriction of the thorax. 

Length of fragment, 5.1 mm.; of thorax, 1 mm.; of elytra, 1.75 mm.; 
breadth of thorax, 1.1 mm.; of elytra, 1.85 mm. 

Florissant, Colorado; one specimen, No. 2186. 


GEODROMICUS STIRICIDII. 
Geodromicus stiricidii Scudd., Contr. Canad. Paleont., Il, 48, pl. 2, fig. 1 (1892). 
Clay beds of Scarboro, Ontario. 
ARPEDIUM Erichson. 


A widespread genus, with a very limited number of species, of which 
nearly half a dozen occur in North America. The only fossil known is 


one from the Canadian Pleistocene, here recorded. 


ARPEDIUM STILLICIDII. 
Arpedium stillicid’i Scudd., Contr. Canad. Paleont., Il, 42-43, pl. 2, fig. 2 (1892). 
Clay beds of Scarboro, Ontario. 
TRIGA Fauvel. 


A North American monotypic genus, which is represented in the earlier 


Tertiaries by a species from Colorado. 
TRIGA C@NI sp. nov. 
Pl. LX, fig. 5. 


Head orbicular, with barely prominent eyes, about half as broad again 
as the brief constricted neck, smooth, with distant, exceedingly brief hairs 
set in minute punctures. Antenne with only the three or four basal joints 
preserved, and these imperfectly, but they indicate nothing at variance with 
those of T. picipennis LeC., unless they are stouter. Thorax slightly wider 
than the head, transversely suborbicular, slightly broader than long, trun- 
cate at apex, but well rounded at base and regularly convex on sides, with 
a faint median stria, the disk very sparsely and teebly punctate, the puncta 


giving rise to moderate hairs. Elytra a little wider, but scarcely longer 


STAPHYLINIDA—COCCINELLID 2. | 79 


than the thorax, truncate at apex, with the outer margin strongly rounded, 
a distinct sutural stria, very sparsely and feebly punctate, and more densely 
and briefly pubescent. Abdomen hardly so broad as the thorax, with 
parallel sides, hardly so long as the rest of the body, bluntly rounded at 
apex, the surface rather feebly and sparsely punctate, the puncta giving 
rise to moderate hairs, the edges of the segments fringed with similar hairs. 

Length, 6 mm.; breadth, 1.5 mm. 

Florissant, Colorado; one specimen, No. 308; possibly also No. 5047 
belongs here. 


STAPHYLINITES Scudder. 


A provisional eenus, established for the species here mentioned, from 
} tan) ’ ] 

the Oligocene of Wyoming, the generic affinities of which can be deter- 
mined only after further material is obtained. 


STAPHYLINITES OBSOLETUM. 


Staphylinites obsoletum Scudd., Bull. U. 8. Geol. Geogr. Surv. Terr., II, 78 (1876); 


Tert. Ins. N. A., 510, pl. 8, fig. 32 (1890). 


Green River, Wyoming. 


COCCIN ELLID 4. 


Twenty-seven species of seven genera of this family have been reported 
from Tertiary deposits, only one of them from the Pleistocene. Of these 
only three come from America, of as many genera, and these all represented 
also in Europe. 

In the two species from Florissant here described we have forms toler- 
ably near to existing species, but in both of them the punctuation of the 
upper surface of the body is coarser than in their living representatives. 


COCOINE LEA inne 


About a dozen species of this genus are found living in North America 
north of Mexico; it occurs all over the world and has numerous species. 
About a dozen species have been found in the early Tertiaries of Europe, 
at Oeningen, Rott, and Aix, and it occurs also in amber, and is reported in 
the English Pleistocene. Chagnon reports a species trom the Miocene (?) of 
Vancouver Island. 


80 TERTIARY COLEOPTERA OF NORTH AMERICA. 


COcCINELLA sp. 
Coccinella sp. Chagn., Nat. Canad., XXII, 109 (1895). 


Vancouver Island, British Columbia. 


ADALIA Mulsant 


A cosmopolitan genus, with a considerable number of species, of which 
only three belong to the United States. In the earlier Tertiaries a single 


species is found in Alsatia and another in Colorado. 


ADALIA SUBVERSA Sp. Noy. 
Pl. IX, fig. 6. 


A single specimen of a beetle is preserved, showing, indeed, very 
few structural features, but in its form, size, and in its markings reminding 
us of the common “lady-bird” which crawls wp our window panes in the 
spring. It is preserved on a dorsal view and shows head, thorax, and 
elytra in tolerably good preservation, together with one of the front tibiz. 
The form and proportions of the prothorax and elytra are exactly as in 
Adalia bipunctata (Linn.), but they are more coarsely punctate, though there 
is the same distinction between the thorax and elytra in the shallowness of 
the thoracic puncta. The insect appears to have been uniformly light 
colored, with only two submarginal lateral dark spots on the prothorax (in 
which it agrees better with Adalia frigida Schn. than with other species 
of Adalia) and a rather large central spot on each elytron. In the generally 
uniform light color of the thorax it differs from any of the living species in 
the United States. It is also rather larger. 

Length, 5.8 mm.; breadth, 3.65 mm. 


Florissant, Colorado; one specimen, No. 4704. 
) } , 


CHILOCORUS Leach. 


A cosmopolitan genus with a considerable number of species, of which 
a large part are tropical or subtropical, and only two occur in the United 
States and two others in Kurope. Yet three species have been found in 


the early Vertiaries of these countries, two in Alsatia and one in Colorado. 


COCCINELLIDAA—EROTY LID. 81 


CHILOCORUS ULKEI sp. nov. 
Pl. 1X, fig: 8. 

Two specimens are here referred to this genus, although, possibly by 
the conditions of preservation, they differ from the members of this group 
in one of its most distinguishing characteristics, the deep and sudden ante- 
rior emargination of the prothorax. In the fossil it hardly appears to be 
much more emarginate than in other neighboring Coccinellidee; but the 
expanded genze of the head, the small size of the prothorax, the rotundity 
and unusually dark color of the elytra, which are here piceous, and the 
general form of the whole body make it tolerably certain that it belongs im 
this group, and the absence of any visible sign of a labrum indicates that 
it should be placed here rather than in Kxochomus. — It is of about the same 
size as our native species, or a trifle smaller. The shape of the elytra is 
the same, excepting that the humeral angle is scarcely so prominent; they 
are, however, uniformly black, and more coarsely, heavily, and distantly 
punctate than in C. bivulnerus Muls.; the shape of the prothorax is also the 
same except for the lesser emargination, which scarcely appears in the 
specimen selected for illustration and which is obscure at this point; the 
prothorax is less deeply punctate than the elytra, but differs from our mod- 
ern species in the same way as do the elytra; its disk is dark like the elytra, 
and the head is infuscated, but the sides of the prothorax are of a light 
color and were probably red in life. One antenna is preserved on. one 
specimen, showing a considerably stouter club than in C. bivulnerus. 

Length, 4.5 mm.; breadth of thorax, 2 mm.; of elytra, 3.5 mm. 

Florissant, Colorado; two specimens, Nos. 11227, 11929 and 12482. 

Named for the coleopterist, Henry Ulke, of Washington. 


JH ISKOss Raed bal Biya ae 

Only three fossil forms of this family are known, representing as many 
genera, two: of them reported from amber, one in the early Tertiary of 
W voming. 

MYCOTRETUS Lacordaire. 

An American genus with numerous species, mostly found in the Tropics; 
a very few species occur in the United States. One species has been found 
fossil in Wyoming. 


MON XL 6 


82 TERTIARY COLEOPTERA OF NORTH AMERICA. 


MycorrRetus BINOTATUS. 
Mycotre tus binotatus Seudd., Bull. U.S. Geol. Gec OT. Surv. Terr., IV, 763-764. (1878); 


in Zittel, Handb. d. Paleont., (I), I, 800, fig. 1053 (1885); Tert. Ins. N. A., 502- 
503, pl. 7, fig. 30 (1890). 


Green River, Wyoming. 


CWCUITDZA: 


A half dozen species of this family have been found in the older Terti- 
aries of Europe and North America, equally divided between the two both 
as to species and genera, one genus of the five recognized having been 
found in both countries. One of the American genera is regarded as 
extinct. 


PEDIACUS Shuckard. 


A north temperate genus, with a limited number of specific forms, of 
which three occur in North America. One fossil is known, coming from 
Colorado. 

The single species found fossil in America is peculiar for the brevity of 
the antenne, the similarity in size of the first joint to the succeeding, the 
lack of a distinct collar of equal width at the back of the head (notwithstand- 
ing the presence of the transverse ridge behind the eyes) and the absence of 


any sinuation or denticulations on the side of the prothorax. 


PEDIACUS PERICLITANS sp. Nov. 
Pl. LX, fig. 7. 


The single specimen referred here agrees very closely with our native 
species of Pediacus, and especially with P. depressus Herbst, excepting in 
the absence of a collar-like neck to the posterior part of the head and in 
having shorter antennze. The shape of the head is the same, with promi- 
nent, coarsely faceted eyes, a flattened quadrate snout, nearly as long as 
the head in front of the transverse ridge; behind the ridge the head con- 
tinues to narrow. The first joint of the antenne is scarcely larger than the 
second, and the second to the seventh are equal in size, and appear to have 
a median ridge or furrow above; the entire length of the antennze is slightly 


less than the width of the prothorax. Prothorax subquadrate, broader than 


CUCUJID2. 83 


long, not much longer than the elytra, the front margin straight, the hind 
margin scarcely convex, the sides well rounded and entire, with no angula- 
tions, the front and hind angles nearly equally rounded. Elytra entirely 
similar in form and sculpture to those of P. fuscus Er., the thorax being as 
there slightly more distinctly punctate. Scutellum transverse, small. 

Length, 3.5 mm.; of antenne, 1 mm.: breadth of prothorax, 1.25 mm.; 
of elytra, 1.4 mm. 

Florissant, Colorado; one specimen, No. 112. 


LITHOCORYNE (A705, xopuvn) gen. nov. 


Closely allied to Lathropus Erichson, from which it differs principally 
in the narrower head and the structure of the antenne; of the last, which 
are as long as the head and half the thorax, the first joint is large and stout, 
but longer than broad and only half as broad again as the joints beyond; the 
second of entirely similar size to the following, or a very little shorter, and, 
with the third to the eighth, obconic, truncate, longer than broad; the ninth 
to eleventh enlarged into a distinct club; the ninth and tenth hemispherical, 
truncate at tip, nearly twice as broad as long; the terminal segment broad 
ovate, longer than broad, but scarcely narrower than the preceding. Pro- 
thorax narrowed posteriorly, without lateral denticulations, the hind angles 
rounded, the surface depressed, as in Cucujus. 

The single species known is of about the size of the living species of 
Nausibius or of Pediacus, and much larger than those of the more nearly 
related Lathropus. 

LITHOCORYNE GRAVIS sp. Nov. 
Pip iXcip 4 


Head, including the mouth parts, shorter than broad, the rather large 
eyes scarcely disturbing the full contour of the sides, distant from the pro- 
thorax, but little narrower behind and about three-fourths the width of the 
thorax; sculpture of the surface similar to but more subdued than that of 
the prothorax; antennal stalk moderately slender, the whole reaching to the 
middle of the prothorax. Prothorax nearly twice as broad as long, broadest 
anteriorly, very gradually and regularly tapering to the base, which is 
about a seventh narrower than the front; in front the sides are suddenly 
turned inward, and the lateral angles, which are sharp, are produced forward, 


84 TERTIARY COLEOPTERA OF NORTH AMERICA. 


but otherwise the front is truncate; base very gently convex, the outer 
angles gently rounded; the sides are narrowly margined or the margins 
thickened as in allied genera, but they are entire and nowhere denticulate; 


rranulations. 


surface covered with minute not crowded nor prominent g 


Elytra near base a third as wide again as the base of the thorax, the sides 
parallel, the shoulders abruptly rounded, with sculpturing similar to that of 
the thorax but less pronounced; their tips are broken in the only specimen 
known, but they are evidently at least half as long again as the head and 
thorax together and not much more than that. 

Length of fragment, 5 mm.; probable complete length, 5.2 mm.; of 
antenne, 1.4 mm.; breadth of head, 1.2 mm.; of thorax, 1.7 m.; of elytra, 
2 mm. 

Florissant, Colorado; one specimen, No. 1257. 


PARANDRITA LeConte. 


A monotypic genus, occurring in Arizona and California. The only 
fossil species is the one here recorded from the Oligocene deposits of 
Wyoming; but Dr. Férster of Mulhouse informs me by letter that he has 


recognized the genus in deposits of about the same age at Brunstatt, Alsatia. 


PARANDRITA VESTITA. 


arandrita vestita Scudd., Tert. Ins. N. A., 501-502, pl. 7, fig. 41 (1890). 


Green River, Wyoming. 


DERMESTID 44. 


Four species of this family, of three different genera, have been found 
in the European 'Tertiaries, in amber, and at Oeningen and Salzhausen. A 
species belonging to one of the genera recognized in Europe occurs in the 


Oligocene of Colorado. 
ATTAGENUS Latreille. 


A widespread genus, moderately rich in species, of which only four or 
five occur in North America. ‘Two fossil species have been found in the 


early ‘Tertiaries, one in Germany, the other in Colorado. 


DERMESTID.2—NITIDULID.®. 85 


ATTAGENUS SOPITUS sp. oy. 


A rather poorly preserved specimen, showing the prothorax and most 
of the elytra, seems to belong here. It is of about the size of A. pellio L. 
The prothorax, from which the head can not be separated, is triangular with 
rounded angles, the middle of the hind margin produced but rounded 
apically, the whole surface feebly punctate, but with larger puncta than in 
A. megatoma Fabr.  Elytra shaped much as in A. pellio, with well-rounded 
humeral angles, but proportionally slightly longer than in the modern species 
and more coarsely punctate. 

Length of body, 4.5 mm.; breadth, 2 mm. 


Florissant, Colorado; one specimen, No. 2146. 


GRY) Pa ORICA GARI sAny. 


Only three fossil beetles of this family, belonging to as many genera, 


have been found in the early Tertiaries, two in Europe and one in America. 
ANTHEROPHAGUS Latreille. 


A genus containing half a dozen species, equally divided between 
Europe and North America. A single fossil species is known from 
Wyoming. 


ANTHEROPHAGUS PRISCUS. 


Antherophagus priscus Seudd., Bull. U. S. Geol. Geogr. Surv. Terr., Il, 79-80 (1876); 
in Zittel, Handb. d. Palzont., (1), I], 799, fig. 1051 (1885); Tert. Ins. N. A., 501, 
pl. 7, figs. 24, 35 (1890). 


Green River, Wyoming. 


ICs BB) Of i Bea De 


Twenty-two species of this family have been found in the Tertiaries, 
none of them in the Pleistocene. Twelve genera are represented, eight in 
the Old World and five in the New, one only being common to both. Two 
of the genera are regarded as extinct, one on each continent. 


(o6) 


TERTIARY COLEOPTERA OF NORTH AMERICA. 
CARPOPHILUS Stephens. 


A cosmopolitan genus with numerous species, many of which oceur in 
North America. The only known fossil species is the one here described 
from Colorado. 

CARPOPHILUS RESTRUCTUS sp. noy. 


Pl. 1X, fig. 9. 


Form pretty regularly ovate. Head large, about half as large as the 
prothorax, full and rounded, subsemicircular, glabrous, the mandibles of the 
normal form. Thorax at base of the size of the there narrowed elytra, 
narrowing considerably, with rounded sides on the anterior half, the front 
margin being straight and scarcely broader than the base of the head; 
posterior margin straight, the outer angles scarcely rounded, the base 
scarcely narrowed, the surface glabrous. Scutellum very large, glabrous. 
Klytra almost as long as the head and thorax together, the sides nearly 
parallel but well rounded, and to that extent narrowed at base and apex, 
truncate, the apical margin faintly convex, the whole surface glabrous. 
Abdomen having the second and third segments together shorter than the 
fourth (showing that it falls in the subgenus Carpophilus, as characterized 
by Andrew Murray), the fourth and fifth equal and together nearly as long 
as the elytra, fully exposed and sparsely clothed with moderately long 
villous hairs. 

Length, 3.2 mm.; breadth, 1.5 mm. 

This species seems to belong in the subgenus Carpophilus, in the near 
neighborhood of the widely distributed species C. hemipterus (Linn.), but 
differs remarkably from it in the great size and fullness of the head and the 
glabrous surface of most of the body. 


Florissant, Colorado; one specimen, No. 1400. 


EPANURAEA (ézav@, ovpa) gen. nov. 


Allied to Epurzea, with the same general form, but with a relatively 
larger head and peculiar antenne. These are shorter than the width of the 
body and beyond the large basal joint consist of ten joints, of which five 
go to form the remarkably short, slender stem, in which the joints are hardly 
longer than broad, and together are shorter than the apical five which form 


the abrupt club; this is a litthe more than twice as broad as the stem, and 


NITIDULID. 87 
consists of two portions; the first of a single (the seventh) joint which is 
subeircular and sharply separated from the remainder (though not appear- 
ing so in the published figure), which are closely united and equal, excepting 
that the last is minute. 


A single species is known, and comes from Florissant. 
EPANURZA INGENITA. 
Epanurea ingenita Seudd., Tert. rhynch. Col. U. S., pl. 1, fig. 2 (1892). 


Head large, fully two-thirds as wide as the prothorax, and two-thirds as 
long as broad, the front well rounded, the surface feebly punctate; eyes 
large, lateral. Prothorax more than half as broad again as long, tapering 
slightly, with rounded sides, the front feebly and broadly emarginate, the 
surface more distinctly punctate than the head. Elytra a little broader at 
base than the thorax, with strongly pronounced impunctured striz. Legs 
moderately short and not very slender, the tibive with long and delicate 
spurs. 

Length, 46 mm.; breadth, 1.9 mm. 

Florissant, Colorado; three specimens, Nos. 3517, 10267, 11661. 


NITIDULA Fabricius. 


A cosmopolitan genus with not a great many species, three only of 
which occur in the United States. Eight species of the genus have been 
found in the early Tertiaries of Oeningen and Radoboj; it has also been 


recognized in amber, and one species occurs in Colorado. 
NITIDULA PRIOR sp. nov. 
Pl. IX, fig. 11. 


Body oblong ovate, broadest at the elytra. Head large, transverse, 
well rounded, broadest posteriorly, half as broad again as long, with no 
sign of emargination in front of the eyes, which do not disturb the even 
contour of the sides. Prothorax rather short, at its broadest twice as broad 
as long, broadest at base, with pretty regularly rounded sides, but tapering, 
especially in front, where it is only a little wider than the head, the sides 
scarcely if at all marginate; base apparently regularly truncate, the front 
rather deeply emarginate; surface both of head and thorax uncertain, but 


showing in certain places as delicately rugulose in a transverse sense. 


88 TERTIARY COLEOPTERA OF NORTH AMERICA. 


Scutellum rather large, triangular, equiangular, the posterior angle well 
rounded. Elytra at base of the extreme width of the thorax and subpar- 
allel, together a third longer than broad, and half as long again as head 
and thorax together, truncate, with rounded apex, exposing two abdominal 
segments, with faint and rather numerous strive, the interspaces exceed- 
ingly finely and deleately punctulate. Abdomen faintly punctate. No 
signs of any villosity in any part of the body, but this may be accidental, 
as the tibixe appear to be as villous as in the modern species of Nitidula. 
The species does not appear to be at all nearly related to any of our 
living native species, and the form of the head, the absence of any inde- 
pendent prominence of the clypeus, with the rapidly narrowing thorax and 
striate elytra, lead one to suspect that it will be found impossible to retain 
it in this genus. The general aspect is that of Nitidula rather than of any 
other genus of the family, and the legs have a similar structure. Untortu- 
nately the antennze are not preserved. It is nearest N. rufipes Linn. 
Length, 6.5 mm.; breadth, 1.8 mm. 


Florissant, Colorado; one specimen, No. 13565. 


PROMETOPIA  Erichson. 

This is a genus of very wide range, but with exceedingly few species, 
of which one is found in North America; those of the Old World oceur in 
the ‘Tropics. One fossil species has been recorded from British Columbia. 

PROMETOPIA DEPILIS. 


Prometopia depilis Scadd., Rep. Prog. Geol. Sury. Can., 1875-76, 278-279 (French 
ed., 308-309) (1877); Tert. Ins. N. A., 500, pl. 2, fig. 29 (1890). 


(Quesnel, British Columbia. 
PHENOLIA Erichson. 
A monotypic genus, found in North America, where also a single fossil 
is found, in the Tertiary of Wyoming. 
PHENOLIA INCAPAX. 


Phenolia incapar Seudd., Bull, U. S. Geol. Geogr. Surv. Terr., I, 80 (1876); Tert. 
Ins. N. A., 499, pl. 7, fig. 23 (1890). 


Green River, Wyoming. 


TROGOSITIDA—BY RRHID AL. 89 


ADE KOXG KO fou EI MIO Ba abe 


Thirteen species of this family have been found in the earlier Tertiaries, 
referred to three genera. Only a single one of these belongs to our conti- 


nent. 


TROGOSITA Olivier. 


A widespread genus with a considerable number of species, of which 
three occur in the United States. Ten fossil species have been found in 
the older Tertiaries of Europe and Greenland. 


'TROGOSITA INSIGNIS. 


Trogosita insignis Heer, Flora foss. arct., 129, pl. 50, figs. 12, 12 be (1868); Flora 
foss. Groenl., IT, 144 (1883). 


Atanekerdluk, North Greenland. 


Jom Glad av) es LID ya abe 


Sixteen species of this family have been found fossil, all but three in the 
older Tertiaries. Two of these three are species of Byrrhus, one each in 
Europe and America, the same genus occurring also in the older Tertiaries 
of both countries; the third is an existing species of Cytilus reported from 
the Bavarian Pleistocene. Of the thirteen species of six genera from the 
older Tertiaries, five of two genera occur in the Old World, eight of five 
genera in the New, the genus Byrrhus alone common to both. One American 


genus is regarded as extinct. 
NOSODENDRON Latreille. 


Two species of this genus are found in North America, another in 
Ceylon, while the fourth is cosmopolitan. A fossil species, the only one 
known, occurs in Wyoming. 


NOSODENDRON TRITAVUM. 


Nosodendron tritavum Scudd., Tert. Ins. N. A., 499, pl. 7, fig. 36 (1890). 


Green River, Wyoming. 


90 TERTIARY COLEOPTERA OF NORTH AMERICA. 


NOSOTETOCUS Scudder. 


This genus was established (Bull. U.S. Geol. Survey No. 93, p. 16, 


1892) for fossil species from Colorado. 


NosorETocus DEBILIS Sp. Nov. 
Pl peXeatio'saulan2: 


Form very broadly oval, the length being about a third greater than 
the width, the head not disturbing the regularity of the contour. The head 
is rather small and transverse, with rather broadly rounded front; in one 
specimen it is unnaturally raised so that the actual form can easily be seen. 
The antennz are somewhat more than half as long as the breadth of the 
broad body, and the apical joint, considerably larger than any of the others, 
is twice as broad as the slenderer joints of the stem. The elytra show very 
feeble indications of punctures longitudinally disposed, but not shown in 
the plate. The under surface of the body appears to be smooth, excepting 
the episterna, which are coarsely granulose. 

Length, 4.5 mm.; breadth, 3.25 mm.; breadth of head, 1.4 mm.; 
leneth of antennz, 1.75 mm. 

Florissant, Colorado; two specimens, Nos. 9231, 11305. 


NosoTetTocus VESPERTINUS Sp. nov. 
Pl. X, fig. 3. 


Form regularly obovate, about half as long again as broad. ‘The head 
is comparatively small, transverse, the antennee about half as long as the 
greatest width of the body, the third and fourth joints narrowest and about 
two-thirds the width of the apical joint, which is largest and well rounded 
apically. The under surface of the body is exposed in the only specimen 
discovered and is apparently smooth throughout, but where the tips of the 
parted elytra show through the body they appear faintly and somewhat 
uncertainly as if feebly punctured in rows. The hind femora are consider- 
ably expanded, largest in the middle and about twice as broad as the 
straight and equal tibiee. 

Length of body, 6.4 mm.; breadth of same, 4.1 mm.; breadth of head, 
1.65 mm.; length of antennee, 2.2 mm. 


Florissant, Colorado; one specimen, No, 11228. 


BYRRHID®. ST 


NosorTETOCUS MARCOVI. 
JAB Ds<s sikersy 28s Gy, 
Nosotetocus marcovi Scudd., Bull. U. S. Geol. Sury., No. 93, 17, pl. 2, figs 2,3 (1892). 
Florissant, Colorado. 
AMPHICYRTA Erichson. 


A North American genus with only three species. A single fossil has 
been found in Colorado. 


AMPHICYRTA INH®SA sp. noy. 
Pl. X, fig. 10. 


A single fairly well preserved specimen of a byrrhid from Florissant 
seems referable to Amphicyrta. The form of the body is oval, broadest 
posteriorly, and the size and general appearance not unlike A. dentipes Er. 
of the Pacific coast. The head is rather narrow, and the labrum remark- 
ably narrow for its length, being scarcely transverse, with strongly rounded 
front margin. A few joints of one of the antennz are seen crossing the 
thorax, but present nothing peculiar. The elytra are sparsely and shallowly 
punctate with cireular puncta, removed from one another by at least double 
their own diameters, and thus very closely resembling the sculpturing of 
the elytra of A. dentipes if the puncta of the latter were slightly smaller 
and more shallow. 

Length, 6.25 mm.; breadth, 5 mm., as preserved with partially expanded 
elytra, but the probable actual breadth is 4.25 mm. 

Florissant, Colorado; one specimen, No. 11274. 


CYTILUS Erichson. 
A north temperate genus with very few species, of which two occur in 
} g ) 


North America. Two fossil species are found in Colorado, and a recent 
species is credited to the Bavarian Pleistocene. 


CYTILUS TARTARINUS sp. nov. 
DAR DG aitey, oh 


Here I refer a single specimen of a byrrhid in which the hind tarsi are 


plainly not retractile, but which does not agree well with the characters of 


92 TERTIARY COLEOPTERA OF NORTH AMERICA. 
‘ 

the American species, and is double their size. The general form is uni- 
formly oval excepting for the slight prominence of the head, which may be 
entirely due to the state of preservation; the head is about half the width 
of the body. The elytra are furnished with rather deep and sharp strize, as 
in existing species of Cytilus, but are distinctly though finely punctate, and 
the legs appear to be very different from Cytilus. The tibizee have their 
opposite sides similarly and very slightly arcuate, and in the middle legs 
are as broad as the femora, though not more than two-thirds their width in 
the hind legs. The hind tarsi are as long as the hind tibiz, the last joint 
and claws quite as in the living Cytili, The specimen shows no antenne 
and is somewhat mutilated behind. 

Length, 8 mm.; breadth, 4.5 mm. 

Florissant, Colorado; one specimen, No. 7740. 


CYTILUS DORMISCENS. 


Cytilus dormiscens Seudd., Tert. rhyneh. Col. U. $., pl. 1, fig. 1 (1892). 

Head very finely and profusely punctate, with some fine wrinkles above 
the rather large eye; antenne hardly longer than the head, the terminal 
joints a third broader than the basal, of about equal length and breadth. 
Thorax apparently tapering but little, and so having an appearance very 
unlike a byrrhid, but this is apparently due to distortion in preservation; it 
is much broader than long, truncate at both extremities, finely, profusely, 
and uniformly punctate. Elytra similarly but not so heavily punctate, 
with faint signs of delicately impressed striz. Femora rather stout, tibize 
moderately so, tapering at either end, with a few delicate spines. Under 
surface of thorax punctured like the elytra, of abdomen nearly or quite 
smooth. 

Leneth, 5.5 mm.; breadth, 3 mm. 

The short antennze hardly agree with Cytilus. 

Florissant, Colorado; one specimen, Nos. 8068 and 8193. 


BYRRHUS Linné. 


A north temperate genus with tolerably numerous species, of which 
about half a dozen occur in North America. In the Old World the genus 


is recognized in the English Pleistocene, and three species have been found 


BYRRHID®. 93 


in the older Tertiaries of Oeningen and the Rhine, and another in amber. 
In America two fossil species are known, one from the Canadian Pleistocene, 
the other from the Oligocene of Colorado. 

The Florissant species here described agrees tolerably well in structure, 
as far as can be seen, with modern types, but has certainly a much more 
regularly oval contour to the body. The head is retractile; while in the 
species described from the European Tertiaries, or those best figured, it 
does not appear to be so, so that they are probably wrongly placed here, 


belonging rather to the Nosodendrinz. 


ByrRHuSs OTTAWAENSIS. 
Byrrhus ottawaensis Scudd., Contr. Canad. Paleont., IH, 40-41, pl. 2, figs 6-8 (1892). 


Greene’s Creek, Ottawa River, Canada. Since the description was pub- 
lished, a second specimen of this species has been found at the same locality, 


by Dr. H. M. Ami. 
BYRRHUS ROMINGERI sp. nov. 


TAL 236, site, 18). 


o 
2. 


A species of about the size of B. geminatus LeC. and agreeing fairly well 
with it in the sculpturing of the elytra and the granulation of the under sur- 
face of the abdomen, but differing from the Byrrhi in the more regular 
contour of the oval body, the lack of a humeral thrust at the base of the 
elytra, and the want of any prominence to the head. The antennz are as 
long as half the width of the body, the joints increase more gradually in 
size than in B. geminatus, and the last joint has a greater proportionate 
size. The hind tibize are slender, but little expanded, and scarcely half as 
wide as the femora; the hind tarsi are apparently quite as in the modern 
species. The elytral striation is indistinct and apparently of much the 
same character as in B. geminatus. 

Length, 5.25 mm.; breadth, 3.75 mm. 

Florissant, Colorado; three specimens, Nos. 7700, 8124, and of the 
Princeton collection, No. 1.540. 


Named for the Michigan geologist, Carl Rominger. 


94 TERTIARY COLEOPTERA OF NORTH AMERICA. 


AS EN eA 


The species described below, from the Oligocene of Colorado, is the 
only extinct form of this family yet known; but a recent species of Parnus 


has been found in the Pleistocene of Galicia. 


PSEPHENUS Haldeman. 


This is a North American genus with only two species. A single fossil 


species occurs in Colorado. 


PSEPHENUS LUTULENTUS sp. Nov. 
Pl. X, fig. 8. 


Ovate. Head with pertectly regular semicircular front with a curve 
that, apart from the eyes, would make the head longer than broad. Eyes 
protuberant, globular, much more than half as long as the head. Antennze 
reaching fully to the base of the elytra, moderately slender, the somewhat 
moniliform joints increasing slightly in size to the tip, the apical joint sub- 
globular, slightly elongate. The pronotum broadens far less rapidly than 
in the existing P. lecontei LeC., and is much shorter than there, being at the 
ereatest not much longer than the anterior breadth, but has the same 
sinuate hind margin as in the modern species; the anterior lateral angles 
are joined by a semicircular impression, and behind it, parallel to and so 
concentric with it and lying midway between it and the hind margin, is a 
second similar line. The surface both of head and thorax appears to have 
had a similar sculpturing, which looks as if consisting of crowded shallow 
depressions about as large as the facets of the eye. Scutellum slender, 
moderate. Elytra with the same sculpturing as the head and thorax, more 
than twice as long as they, broadest at end of basal third. 

Leneth, 6 mm.; breadth, 3.6 mm. 


Florissant, Colorado; one specimen, No. 9421. 


HLATHRRID 2. 


In this family, beginning the Serricornia, and in the succeeding families, 
but very few of the American fossil species known to me are described or 


considered. It may nevertheless be well to continue in each case the brief 


ELATERID 2. 95 


summary of our present xnowledge of the fossil forms, although most of 
the material must be taken from foreign sources. The American contingent, 
however, being so small, will not be contrasted with the European as here- 
tofore, except so far as it may appear desirable. 

About fifty-eight fossil species of this family have been described or 
indicated—in a less degree than usual described or figured. They repre- 
sent twenty-one genera, of which only one, an American, is regarded as 
extinet. Fourteen of these species, of five genera, come from the Pleistos 
eene, the remainder, but including three of the Pleistocene genera, from the 
earlier Tertiaries. Two of the Pleistocene forms, one on each continent, 


are regarded as existing species. 
FORNAX Laporte. 


A cosmopolitan genus rich in species, of which about half a dozen 
occur in North America. A single fossil species is known, from the Pleis- 


tocene of Canada. 
ForNAX LEDENSIS. 
Fornax ledensis Scudd., Contr. Canad. Paleont., II, 39, pl. 3, figs. 3, 4 (1892). 
Greene’s Creek, Ottawa River, Canada. 
EPIPHANIS Eschscholtz. 


A monotypic North American genus, of which a single fossil species is 
known, from Utah. 


EPIPHANIS DELETUS. 


Epiphanis deletus Seudd., Bull. U. S. Geol. Geogr. Surv. Terr., I, 80-81 (1876); 
Tert. Ins. N. A., 498, pl. 5, figs. 113, 114 (1890). 


White River, Utah. 
CRYPTOHYPNUS Eschscholtz. 


A cosmopolitan genus rich in species, of which about two dozen occur 
in North America. The genus has been recognized in amber, and a species 
from the earlier Tertiaries of British Columbia referred here doubtfully. 


96 TERTIARY COLEOPTERA OF NORTH AMERICA. 


CRYPTOHYPNUS? TERRESTRIS. 


Cryptohypnus? terrestris Sceudd., Rep. Prog. Geol. Surv. Can., 1877-78, 181-182B 
(1879); Tert. Ins. N. A., 497, pl. 2, fig. 30 (1890); Contr. Canad. Paleont., L, 
38-39 (1892). 


Nicola River, British Columbia. 
LIMONIUS  Eschscholtz. 


A north temperate genus rich in species, a good share of which are 
found in North America. Three fossil species have been found in the earlier 


Tertiaries of Oeningen, the Rhine. British Columbia, and in amber. 


LIMONIUS IMPUNCTUS. 
Limonius impunctus Seudd., Contr. Canad. Paleont., II, 37-88, pl. 2, tig. 3 (1892). 
1. ] 


fo} 


Similkameen River, British Columbia. 
CORYMBITES Latreille. 


A dominam cosmopolitan genus, richly supplied with species in North 
America. Two fossil species have been found in the earlier Tertiaries of 
Wyoming and Baden, and a species, probably identical with one now living, 

iy 2: ’ } ’ e foo) 


in the Pleistocene of Massachusetts. 


(CCORYMBITES VELATUS. 
JeAlS OG) 1ike5) 1 


Corymbites velatus Scudd., Bull. U. 8. Geol. Geogr. Surv. Terr., II, 81 (1876); Tert. 
Ins. N. A., 496 (1890). 


Green River, Wyoming. 
CoryMBITES 2 THIOPS Herbst. 
Pl Xe toe tt 

A prothorax, apparently belonging to this existing species, found by 
Prof. B. K. Emerson in the Pleistocene of Fort River, is described by me 
in a section forming part of Chapter XXI of Monograph XXIX of the 
United States Geological Survey, by Professor Emerson. 

Hadley, Massachusetts. 


ELATERID &. 97 


OXYGONUS LeConte. 


A North American ¢ 


venus with only a couple of species. A single 
fossil has been found in Utah. 


OxYGONUS MORTUUS. 


Oxygonus mortuus Scudd., Bull. U. 8. Geol. Geogr. Sury. Terr., I, 81 (1876); Tert. 
Ins. N. A., 496, pl. 5, figs. 110, 111 (1890). 


White River, Utah. 
ADOCETUS (adoxnros) gen. nov. 


Head very large indeed, together with the large eyes fully as broad as 
the front of the pronotum, the front broad, truncate or feebly rounded; 
antennze obscurely preserved, but apparently much as in Scaptolenus, but 
with much less apical enlargement of the joints. Prothorax strongly trans- 
verse, nearly twice as broad as long, considerably and rapidly tapering, the 
front margin about three-fourths the length of the hind margin, gently and 
uniformly emarginate; hind margin scarcely angulate, sides scarcely arcuate, 
the outer anterior angles rectangular; both lateral and front borders equally, 
broadly, and regularly margined, the outer posterior angles rounded and in 
no way produced. Elytra at base of the breadth of the thorax, regularly 
tapering by the arcuation of the outer margin, the apex perhaps pointed. 
Hind coxe very large, somewhat produced posteriorly next their inner side, 
the legs large and stout and apparently flattened. Abdomen with six seg- 
ments, the first five of equal length and truncate, the sixth longer and conical. 

The single species referred here has a close resemblance in general 
outline to a buprestid like Psiloptera, but the separation of the first and 
second ventral segments shows it to be an elaterid, the transverse labrum 
and the number of ventral segments a cebrionine. 

ADOCETUS BUPRESTOIDES sp. Nov. 
JEAly D.C ake 15 

Surface of head more or less bluntly and rather finely rugulose. 
Thorax more heavily and more distinctly rugulose, and at the same time 
sparsely punctate, the puncta more distinct, because not confused by 


rug, on the front margined area; apparently also clothed with very 
MON XL——7 


98 TERTIARY COLEOPTERA OF NORTH AMERICA. 


sparse, very short and fine hairs. Elytra each three and a half times 
longer than broad, with ten faintly punctate strive, of which the sixth and 
seventh (or seventh and eighth) from the suture terminate before the 
others, at about the base of the apical fifth of the elytra, the others close to 
or at the tip; the interspaces are sparsely and irregularly punctate, the 
equivalent of not more than two series of puncta in each interspace, each of 
the puncta giving rise to a very short fine hair. Abdomen feebly punctate, 
the last segment with fine, short, transverse, arcuate incisions. 

Length, 22 mm.; breadth, 8 mm. 

Fossil, Wyoming, in the bluffs by Twin Creek; one specimen, Dr. J. 
S. Newberry. The specimen is in the museum of Columbia College, 
New York. 


ELATERITES Heer. 
This generic name was employed by Heer for fossil species of the 


present family of uncertain position, and has since been used in the same 


sense. 
EKLATERITES sp. 
Elaterites sp. Seudd., Contr. Canad. Paleont., II, 40, pl. 3, fig. 5 (1892). 


Similkameen River, British Columbia. 


ELATERIDH ? sp. 


Elateride? sp. Scudd., Rep. Prog. Geol. Surv. Can., 1877-78, 182B (1879); Tert. 
Ins. N. A., 498, pl. 2, fig. 28 (1890); Contr. Canad. Paleont., I, 40 (1899). 


Nicola River, British Columbia. : 


BU PREST ED: 


About seventy-five Tertiary species of Buprestidze have been described, 
figured, or indicated, which have been referred to sixteen genera, four of 
them regarded as extinct. With a single exception, none of these species 
come from the Pleistocene. Besides these, however, a considerable number 
of species have been referred to the family without even generic reference, 
from India, New South Wales, and various localities in England, including 


one in the Pleistocene. 


BUPRESTID®. 99 


BUPRESTIS Linné. 


A nearly world-wide genus, primarily north temperate, with numerous 
species, about a dozen and a half of which are North American. Half a 
dozen fossil species have been described from the Rhenish coal, three from 
British Columbia, and species have also been indicated at Aix and in amber, 
besides the Pleistocene of England. 


BuPRESTIS TERTIARIA. 

Buprestis tertiaria Scudd., Rep. Prog. Geol. Surv. Can., 1877-78, 180-181B (1879); 
Tert. Ins. N. A., 498-494, pl. 2, fig. 23 (1890); Contr. Canad. Paleont., II, 
35-36 (1892). 

Nicola River, British Columbia. 
BuPRESTIS SAXIGENA. 
Buprestis saxigena Scudd., Rep. Prog. Geol. Sury. Can., 1877-78, 181B (1879); Tert. 


Ins. N. A., 494-495, pl. 2, figs. 24, 25 (1890); Contr. Canad. Paleont., II 
36-87 (1892). 


3 
Nicola River, British Columbia. 


DUPRESTIS SEPULTA. 


Buprestis sepulta Scudd., Rep. Prog. Geol. Surv. Can., 1877-78, 181B (1879); Tert. 
Ins. N. A., 495, pl. 2, fig. 26 (1890); Contr. Canad. Paleont., II, 37 (1899). 


Nicola River, British Columbia. 


BUPRESTITES Heer. 


Heer has given this name to fossil Buprestidze of uncertain position, 
and it has been used also by Geibel ina similar way. Eleven species have 
been described from the earlier Tertiaries, all but one from Europe. 

BUPRESTITES HEERI nom. nov. 
Buprestites agriloides Heer, Flora foss. Greenl., I, 144, pl. 109, figs. 11, 11b (1888). 


This is entirely distinct from the Oeningen species Heer described in 
1882 (Verhandl. holl. maatsch. wetensch., XVI, 90, pl. 7, fig. 24) under 


100 TERTIARY COLEOPTERA OF NORTH AMERICA. 


the name of Buprestites agriloides. He undoubtedly overlooked the fact 
that he had previously used the specific name. The present species may 
therefore bear his name. 

Haseninsel, Greenland. 


Curysonoturis Eschscholtz. 


A prevailing cosmopolitan genus with numerous North American 
species. A fossil species has been described from Austria and another from 
Colorado. 


CHRYSOBOTHRIS HAYDENI. 
Pl Xd; fe. 1. 


Chrysobothris haydeni Seadd., Bull. U.S. Geol. Geogr. Surv. Terr., II, 80 (1876). 


A single specimen, rather poorly preserved and obliquely crushed, was 
obtained by Dr. F. V. Hayden at what was then known as Castello’s ranch. 
While it is unquestionably a buprestid, I place this species in Chrysobothris 
with some hesitancy. The shortness of the broad-tipped elytra, the rotund- 
ity of the eyes, and the comparatively slender fore femora separate it from 
the species of that genus which I have examined. The head is large, full, 
well rounded; the eyes moderately large, nearly circular. The prothorax 
is rather short, arched a little, minutely and shallowly punctulate. The 
elytra reach to the base of the penultimate abdominal segment, and, as 
exhibited on the stone, are as broad at tip as at base; the apex in any case 
is broad, broadly rounded, or almost truncate; there is no appearance of 
punctures, although there seem to be three or four faint equidistant longi- 
tudinal ridges. A fragment of one of the wings is seen extending at right 
angles to the elytra. The legs are slender and the fore femora resemble 
the others. 

Length of insect, 15.75 mm.; of prothorax, 3.75 mm.; of elytra, 10 
mm.; width of elytra at tip, 2.6 mm.; length of fore femora, 3.25 mm.; 
of hind femora, 3.25 mm.; breadth of fore femora, 0.56 mm.; of hind 
femora, 0.46 mm. 


Florissant, Colorado. 


LAMPYRIDZ. 101 


ERAS MID INS EOD An: 


Twenty-one fossil species of this family have been described or indi- 
cated, belonging to nine eenera. Two of these wenera, one in amber and 

’ Db 5D 5D te) d > 
one in the Tertiaries of New South Wales, are regarded as extinct. 


CHAULIOGNATHUS Hentz. 


An American genus, with a moderate number of species. One species 
has been found fossil in Colorado. 


JHAULIOGNATHUS PRISTINUS. 
Pl. XI, fig. 3. 


Chauliognathus pristinus Seudd., Bull. U. S. Geol. Geogr. Sury. Terr., IT, 81 (1876); 
in Zittel, Handb. Paleont. (1), II, 769, fig. 1032 (1885). , 


A single specinien, with its reverse, was obtained by Mr. 'T. L. Mead at 
what was then known as Castello’s ranch. It is very fairly preserved and 
presents a dorsal view of the insect, with the left elytron. and wing par- 
tially expanded. The antenne are about as long as the elytra, and appar- 
ently consist of twelve joints, most or all of which are similar to one another, 
cylindrical, about three times as long as broad, and scarcely smaller at the 
proximal than at the distal extremity. The prothorax is small, scarcely 
larger than the head, the anterior border rounded. The elytra are slender, 
square at the shoulder, each independently rounded and slightly tapering 
at the apex, not reaching the tip of the abdomen. The abdomen, which 
tapers posteriorly, appears, however, to be unnaturally produced; more 
than four segments can be counted upon the unexpanded elytron. The 
wings are only as long as the elytra. The legs are slender, but the tarsi are 
indistinguishable. 

But tor the brevity of the elytra there would be little doubt that this 
insect should be referred to Chauliognathus. It has the general appear- 
ance, also, of a Malthinus or a Malthodes, but the wings are not exposed 
when the elytra are closed, and the insect is much larger than the living 
species of this genera. Heer has described, from Oeningen and Radoboj, 
several species of this family, but none so large as this, unless it be his 
Telephorus germari. Our species has much the general appearance of his 


102 TERTIARY COLEOPTERA OF NORTH AMERICA. 


Lytta esculapii, but the structure of the antenne forbids its reference to 
that genus. 

Length of body, as extended, 13 mm.; of head, 1.5 mm.; breadth of 
head, 1.8 mm.; length of antennze, 6 mm.; of elytra, 6 mm.; breadth of 
elytra in middle, 1.2 mm.; of abdomen, 3.5 mm.; length of hind femora, 
2.6 mm.; breadth of same, 0.6 mm.; length of hind tibiz, 3 mm.; breadth 
of same, 0.23 mm. 

Florissant, Colorado. 


NED 26. 


Twenty fossil species of Ptinidee have been found, belonging to ten 
genera, one of them regarded as extinct. On the other hand, Forster has 
found in the Oligocene of Alsatia what he regards as an existing species of 


Doreatoma. No Pleistocene species are known. 
SITODREPA Thomson. 
A north temperate genus, with a single North American species. A 
fossil species occurs in Wyoming. 
SITODREPA DEFUNCTA. 


Sitodrepa defuncta Seudd., Bull. U. S. Geol. Geogr. Surv. Terr., IH, 82 (1876); 
Tert. Ins. N. A., 493 (1890). 


Green River, Wyoming. 


ANOBIUM Fabricius. 


A widespread genus, mainly north temperate, of which a couple of 
species occur in North America. Half a dozen species are known or have 
been recognized, two in Europe at Oeningen and the Isle of Wight, the 
others in Wyoming and Colorado, two of those from Wyoming doubtfully. 


ANOBIUM ? OVALE. 


Anobium ? ovale Seudd., Bull. U. S. Geol. Geogr. Surv. Terr., IV, 762-763 (1878); 
Tert. Ins. N. A., 491-492, pl. 8, fig. 1 (1890). 


Green River, Wyoming. 


PTINIDA—SCARABAID ZA. 103 


ANOBIUM ? DECEPTUM. 


Anobium deceptum Seudd., Bull. U.S. Geol. Geogr. Sury. Terr., 1V, 763 (1878); Tert. 
Ins. N. A., 492, pl. 8, fig. 18 (1890). 


Green River, Wyoming. 


ANOBIUM LIGNITUM. 


Anobium lignitum Scudd., Bull. U.S. Geol. Geogr. Surv. Terr., IV, 763 (1878); Tert. 
Ins. N. A., 492-493, pl. 8, fig. 24 (1890). 


Green River, Wyoming. 
ANOBIUM DURESCENS. 
Anobium durescens Scudd., Tert. rhyneh. Col. U. 5., pl. 1, fig. 19 (1892). 


Head, as usual in Anobium, bent downward, the front poorly preserved 
in the single specimen, the surface rather coarsely and rather distantly 
punctate, the eyes moderately large, circular, lying next the edge of the 
emarginate prothorax. Prothorax bullate and hood-like, the front border 
with strongly emarginate sides, the surface punctate exactly as that of the 
head. Elytra very regularly arched, elongate, with heavily and sharply 
impressed, deeply punctured. strive, the puncta longitudinal and usually 
separated by about half the length of one of them. 

Length, 3.5 mm.; breadth, 1.25 mm. 

Florissant, Colorado; one specimen, No. 13627. 


KOU aye 57a ahd Da ae 


Seventy-seven species of fossil Scarabzeidee have been discovered, of 
which sixteen are from the Pleistocene, and of the latter, half are regarded 
as identical with living forms. Thirty-two genera are represented, seven of 
them in the Pleistocene, though only two of them in the Pleistocene only. 
Three genera from the older Tertiaries are extinct types. 


CHCERIDIUM Lepelletier. 
An American genus with only two species in the United States, but 
many in the Tropics. A single fossil species is known from the Pleistocene 


of Pennsylvania. 


104 TERTIARY COLEOPTERA OF NORTH AMERICA. 


CHC@RIDIUM ? EBENINUM. 


Cheridium ? ebeninum Horn, Trans. Am. Ent. Soc... V, 244-245 (1876); Scudd., 
Tert. Ins. N. A., 490-491, pl. 1, figs. 18, 22 (1890). 


Bone caves of Pennsylvania. 
PHAN ASUS Macleay. 


An American genus tolerably rich in species, of which only about half 
a dozen occur in the United States. A single fossil has been found in the 
Pennsylvania Pleistocene. 


PHANZEUS ANTIQUUS. 


Phaneus antiquus Horn, Trans. Am. Ent. Soc., V, 245 (1876); Scudd., Tert. Ins. 
N. A., 489-490, pl. 1, figs. 12-14 (1890). 


Bone caves of Pennsylvania. 
JEGIALIA $ Latreille. 
A north temperate genus with rather few species, most of them found 
i Co} b 
in North America. A single fossil species occurs in Wyoming. 
ANGIALIA RUPTA. 
Agialia rupta Seudd., Tert. Ins. N. A., 489, pl. 8, fig. 19 (1890). 
Green River, Wyoming. 
ATAENIUS Harold. 

An American genus with numerous species, of which about a dozen 
anda half are found in the United States. A single fossil occurs in Colorado. 
ATANIUS PATESCENS. 

Pie XS, figs! 955.8; LO; 
Atenius patescens Scudd., Tert. rhyneh. Col. U. S.. pl. 1, fig. 14 (1892). 
Body slender, equal, slightly more than twice as long as broad. Head 
finely punctate and slightly plicate, slightly longer than in A. abditus Hald. 
Thorax of the same shape as in that species, distinctly and ‘rather closely 


punctate, showing on the sides some tendency to a transverse arrangement. 


SCARAB AIDA—CERAMBYCIDE. 105 


Elytra with distinct and deep impunctured striz. Outer hind angle of hind 
tibize spiniform. 
Length, 4.2 mm.; breadth, 2 mm. 
Florissant, Colorado; seven specimens, Nos. 167, 2312, 3046, 4702, 
5024, 8147, 11258. 
APHODIUS TIliger. 


A dominant cosmopolitan type with numerous North American species. 
Many fossil species have been recorded: In the Pleistocene, one in Pennsyl- 
vania, and six in Galicia, of which two are regarded as identical with living 
forms; in the earlier Tertiaries, five species in Baden and Germany and on 
the Rhine; besides, according to an old reference of Robert, an existing 
species (probably an artifact) mm amber. 


APHODIUS PRECURSOR. 


Aphodius precursor Horn, Trans. Am. Ent. Soc., V, 245 (1876); Seudd., Tert. Ins. 
N. A., 488-489, pl. 1, fig. 11 (1890). 


Bone caves of Pennsylvania. 
TROX. Fabricius. 
A cosmopolitan group, with abundant representation in North America. 
The following species from British Columbia is the only known fossil form, 
TROX OUSTALETI. 


Trox oustaleti Scudd., Rep. Prog. Geol. Surv. Can., 1877-78, 179-180B (1879); 
Tert. Ins. N. A., 487, pl. 2, fig. 22 (1890); Contr. Canad. Paleont., II, 35 (1899). 


Nine-mile Creek, British Columbia. 


CHRAMBY CID &. 

Forty-four species of this family have been found fossil, referred to 
thirty genera, of which sixareextinct. Two only of the species are Pleis- 
tocene. The only described American species belongs to an extinct genus. 

PAROLAMIA  Seudder. 
Parolamia Scudd., Bull. U. 8. Geol. Geogr. Surv. Terr., IV, 529-530 (1878). 


Closely allied to Lamia, but differimg from it in the brevity of the 
head and the structure of the antennee. Body heavy, moderately elon- 


106 TERTIARY COLEOPTERA OF NORTH AMERICA. 


gated. The head is less than half as long as the prothorax, with less 
prominent and more nearly approximate antennal tubercles, as compared 
with Lamia. Antenne moderately slender, half as long again as the 
body, composed of eleven joints, each cylindrical, scarcely enlarged at the 
distal extremity ; the basal joint is short and stout, its length less than half 
the width of the head, twice as long as broad, tapering apically almost as 
much as at base; the second joint small, of equal diameter with the suc- 
ceeding, and broader than long; the remaining joints almost imperceptibly 
decreasing in length, each equal in width until close to its tip, when it 
expands very slightly, the terminal joint a little shorter than the penulti- 
mate. Prothorax transverse, with a not very large spine on either side; 
scutellum larger than in Lamia. Elytra not connate, together more than 
half as broad again as the base of the pronotum, but with rounded humeral 
angles, not in the least produced, and with no basal tubercles; they are 
nearly parallel in their basal half, but beyond taper regularly though but 
slightly, the tip rounded, but not so declivent exteriorly as in Lamia. Last 
segment of the abdomen transverse, but longer than in Lamia, broadly and 
regularly rounded, with no excision of the apex. 

This insect is interesting from its belonging to a group not now repre- 
sented on this continent, the true Lamioides, which are found exclusively in 
Europe and Africa and have their home in the Mediterranean region. Our 
nearest living allies are the species of Monohammus. In its form and the 
surface sculpture it most recalls the genus Lamia proper, but differs from it 
as well as from the neighboring genera in important particulars, which will 
perhaps be increased in number when other specimens are found which 
will permit us to know the peculiarities of the structure of the legs and the 


sternal surface. 
PAROLAMIA RUDIS. 
Pl. XI, fig. 4. 
Parolamia rudis Scudd., Bull. U.S. Geol. Geogr. Surv. Terr., IV, 580 (1878). 


The elytra are parted and thrust forward upon the prothorax, conceal- 
ing the outer posterior portions of the latter, but this permits the abdomen 
to be seen, and all other parts which could be seen on a dorsal view are 


present excepting the legs. The head is nearly smooth, or appears to be 


CERAMBYCIDA—CHRYSOMELID &, 107 


slightly scabrous; the antenne are nearly smooth, the basal joint mesially 
carinate above, the last jot bluntly pointed. Prothorax subquadrate, a 
little transverse, the extent of the lateral spines concealed, the surface rather 
coarsely and pretty uniformly scabrous. Elytra coarsely granulate at the 
base, the granulations becoming gradually fainter until they disappear, the 
apical quarter being free, although the surface is not uniform; outer and 
inner edges minutely marginate. A fragment of one of the wings remains, 
showing that the insect was not apterous. 

Length of body, 22.6 mm.; of head, 2.6 mm.; of thorax, 4 mm.; of 
abdomen, 16 mm.; of antennee, 26.5 mm.; its first joint, 2.5 mm.; third, 
4.5 mm.; penultimate, 4 mm.; last, 3.25 mm.; breadth of first joint, 1.25 
min.; third, at base, 0.7 mm.; at tip, 0.9 mm.; of penultimate, at base, 0.5 
mim.; at tip, 0.6 mm.; width of prothorax exclusive of spine, 6 mm.; width of 
elytron, at base, 4.5 mm.; in middle, 4.25 mm.; at one millimeter from tip, 
2.5 mm.; length of elytron, 14 mm. 


Florissant, Colorado; one specimen, No. 7807. 


CHRYSOMELID 4. 


Fifty-one species of this family. have been found fossil, twenty-nine in 
the older Tertiaries, twenty-two in the Pleistocene. The latter belong to 
four genera only, and fourteen of the species are regarded as identical with 
species now living. The older fossils represent nine genera, three of them 
common to both continents; one of the genera, found in America, is regarded 
as an extinct type. 


DONACIA Fabricius. 


A prevailing north temperate genus with numerous species in North 
America. Many fossil species have been recorded, especially from the 
Pleistocene, which in Europe has furnished three extinct species from Savoy, 
Italy, and Galicia, and thirteen existing species in numerous localities in 
Italy, France, Switzerland, Holland, Bavaria, and other parts of Germany; 
besides which there are three extinct species in America found in Canada 
and Massachusetts. Five species have been found in the older Tertiaries of 
Baden, Silesia, Alsatia, and Spitzbergen, and the genus has been recognized 


in amber. 


108 TERTIARY COLEOPTERA OF NORTH AMERICA. 
DoNACIA STIRIA. 


Donacia stiria Scudd., Tert. Ins. N. A., 486, pl. 1, fig. 28 (1890); Contr. Canad. 
Paleont., II, 34 (1892). 


Clay beds of Searboro, Ontario. 


DONACIA POMPATICA. 


Donacia pompatica Scudd., Tert. Ins. N. A., 486-487, pl. 1, figs. 33, 34 (1890); Contr. 
Canad. Paleont., II, 34 (1892). 


Clay beds of Scarboro, Ontario. 


DonacIA ELONGATULA sp. NOv. 
Pl. XI, fig. 2. 


This species I describe in a section on the Pleistocene beetles of Fort 
River, forming part of Monograph XXIX of the United States C reological 
Survey, by Prof. B. KK. Emerson. 

Hadley, Massachusetts. 


SAXINIS Lacordaire. 


An American genus with few species, of which three are found in the 
United States. A single species has been found in the Pleistocene of 
Massachusetts. 


SAXINIS REGULARIS Sp. NOY. 
PPM es. (wo: 

This species is described in the section just referred to on the Pleisto- 
cene Coleoptera of Fort River in Monograph XXIX of the United States 
Geological Survey, by Prof. B. IX. Emerson. 

Hadley, Massachusetts. 


CRYPTOCEPHALUS Geoffroy: 


A decidedly dominant cosmopolitan genus, with numerous species in 
North America. Single fossil species of this genus have been found in 


Wyoming, on the Rhine, and in amber. 


CHRYSOMELID.®. 109 


CRYPTOCEPHALUS VETUSTUS. 
Cryptocephalus vetustus Scudd., Bull. U. 8. Geol. Geogr. Surv. Terr., 1V, 764 (1878); 
Tert. Ins. N. A., 485-486, pl. 7, figs. 29, 37 (1890). 


Green River, Wyoming. 
: CRYPTOCEPHALITES Seudder. 


This genus was founded by me for the fossil species here recorded, 


which is a peculiar form of the tribe Cryptocephalini. 
CRYPTOCEPHALITES PUNCTATUS. 
Cryptocephalites punctatus Scudd., Contr. Canad. Paleont., II, 33, pl. 2, fig. 4 (1892). 


Similkameen River, British Columbia. 
COLASPIS Fabricius. 


This is an American and Polynesian genus, with many species, less 
than half a dozen of which inhabit the United States. A single fossil species 


is known from Colorado. 
CoLasPIS LUTI. 
Colaspis luti Scudd., Tert. rhynch. Col. U.8., pl. 1, fig. 4 (1892). 


Head very finely rugose, with a large subcircular eye. Prothorax 
very delicately and rather densely punctate, tapering but little, and 
apparently much narrower at base than the elytra. Elytra with equidistant 
punctured strive, the punctures rather large, rather closely crowded, rather 
deep and circular. Under surface of thorax feebly rugose, of abdomen 
smooth. 

Length, 5 mm.; breadth, 2 mm. 

Florissant, Colorado; one specimen, No. 7670. 


CHRYSOMELA Linné. 


A very dominant cosmopolitan genus, with numerous North American 
species. A single fossil American species occurs in Colorado, but in the 
older Tertiaries of Europe there are at least nine species, found at Aix, at 
Oeningen, and in amber; besides which two species, one of them extinct, 


occur in the Pleistocene of Galicia. 


110 TERTIARY COLEOPTERA OF NORTH AMERICA. 
(CHRYSOMELA VESPERALIS. 
Chrysomela vesperalis Scudd., Tert. rhynch. Col. U..S., pl. 2, fig. 27 (1892). 

A species is indicated of about the size of C. elegans Oliv., and is 
preserved so as to show a dorsal view. The head is moderately large, 
about two-thirds the width of the thorax, and is coarsely, distantly, and 
very feebly punctate; the antennz are nearly a third longer than the head 
and thorax together. The thorax is twice as broad as long, with well- 
rounded sides, and the surface is punctate like the head, but a little more 
distinctly. The elytra are nearly twice as broad as the thorax, with well- 
rounded humeri and longitudinal series of shallow circular punctures, 
removed from each other in the same row by about their own diameters. 

Length, 4.6 mm.; breadth of thorax, 1.4 mm.; of elytra, 2.6 mm. 

Florissant, Colorado; one specimen, Nos. 7851 and 10416. 


CHRYSOMELITES Heer. 


A name proposed by Heer for obscure fossil remains of uncertain posi- 
tion, closely allied to Chrysomela. Four species have been referred to it by 
him from the early Tertiaries in the polar regions. 

C'HRYSOMELITES ALASKANUS. 
Chrysomelites alaskanus Heer, Flora foss. Alask., 39, pl. 10, figs. 6, 6b (1869). 

English Bay, Alaska. 

CHRYSOMELITES FABRICII. 
Chrysomelites fabricii Heer, Flora foss. arct., 129, pl. 19, figs. 13, 14 (1868). 


Atanekerdluk, North Greenland. 


CHRYSOMELITES LINDHAGENI. 

Chrysomelites Lindhageni Heer, Svensk. vetensk.-akad. handl., WTI Nos in(Gsapl: 
16, figs. 23a-d (1870); Flora foss. Greenl., II, 145-146, pl. 109, figs. 7, 7b (1883). 
Ober-Atanekerdluk, North Greenland. This species is also recorded 

from Spitzbergen. 

GALERUCELLA Crotch. 
A cosmopolitan genus with numerous species, of which about a dozen 
occur in the United States. A single fossil species is known from British 


Columbia and another from Alsatia. 


CHRYSOMILID&. iba bal 


GALERUCELLA PICEA. 
Gallerucella picea Scudd., Rep. Prog. Geol. Surv. Can., 1877-78, 182-183B (1879). 
Galerucella picea Scudd., Tert. Ins. N. A., 485, pl. 2, fig. 81 (1890); Contr. Canad. 


Paleont., Il, 32-33 (1892). 


Nine-mile Creek, British Columbia. 


ORYCTOSCIRTETES Seudder. 
Oryctoscirtetes Scudd., Bull. U. S. Geol. Surv. Terr., II, 82, 83 (1876). 


This genus belongs to the group of Chrysomelidee, of which Haltica 
Illiger is the best known representative, the members of which are peculiar 
for their swollen hind thighs, enabling them to spring to great distances. 
It appears to belong to the group of Gédionychites, in which the last tarsal 
joint has a more or less prominent bulbous expansion on the hind legs; but 
it differs from any of the genera described by Chapuis in the nature of this 
expansion, as well as in other tarsal peculiarities. The basal joint of these 
hind tarsi is moderately long and cylindrical, scarcely larger at the distal 
than at the proximal extremity; the second and third joints are subequal, 
the latter slightly the larger, together as long as the basal joint, moderately 
lobate, the lobes pointed; while the apical joint is nearly as long as all the 
other joints combined, enlarges gradually from base to apex, so as to be 
fully two or three times as large at the distal as at the proximal extremity, 
and bears a pair of exceedingly long and slender, apparently simple, very 
slightly curved claws, nearly half as long as the apical joint itself. In 
other respects it closely resembles the genus CAdionychis Latr. 

It is represented by a single species in the Oligocene of Colorado. 


ORYCTOSCIRTETES PROTOG HUM. 
Pl. XI, fig. 11. 
Oryctoscirtetes protogeum Scudd., Bull. U. 8. Geol. Sury. Terr., II, 83 (1876). 

A single specimen, pretty well preserved, and showing the dorsal sur- 
face, was obtained by Dr. F. V. Hayden at what was formerly known as 
Castello’s ranch. The head is pretty large, nearly as broad as the prothorax, 
the eyes moderately large, apparently circular, with large facets, their 
average diameter being nearly 0.02 mm. The prothorax is broad, with 


112 TERTIARY COLEOPTERA OF NORTH AMERICA. 


well-rounded, somewhat convex sides and front lateral angles, the anterior 
margin considerably concave; the posterior lateral angles are rectangular 
and there is apparently a median furrow on the posterior half, although the 
appearance may be due to crushing. The surtace of the prothorax, and 
also of the elytra, is very delicately granulate; the elytra are also furnished 
very indistinctly with several (five or six?) longitudinal ridges, straight and 
equidistant. The fore femora are swollen as well as the hind pair, but the 
middle femora are concealed. Both middle and hind tarsi have the charac- 
ters mentioned in the description of the genus and are fully four-fifths as 
long as their tibie. 

Length, 5 mm.; breadth, 2.25 mm.; breadth of head, 1.25 mm.; of 
prothorax, 1.8 mm.; length of prothorax, 0.92 mm.; of elytra, 3 mm.; of 
middle tibize, 1.34 mm.; of middle tarsi, 112 mm.; of middle claws, 0.18 
mm.; of hind femora, 1.32 mm.; of hind tibize, 1.4 mm.; width of hind 
femora, 0.48 mm.; of hind tibize, 0.18 mm.; length of hind tarsi, 1.14 mm.; 
of first joint, 0.832 mm.; of fourth joint (excluding claws), 0.48 mim.; of 
claws, 0.22 mm.; breadth of fourth joint at tip, 0.1 mim. A 


Florissant, Colorado; one specimen, No. 14689. 


MICRORHOPALA Baly. 
A North American genus with about a dozen species. A single fossil 
species is indicated from British Columbia. 
MiIcRORHOPALA sp. 
Microrhopala sp. Chagn., Nat. Canad., XXII, 109 (1895). 


Vancouver Island, British Columbia. 


BRUCHID. 


Ten species of this family have been found in the early Tertiaries, 


renera. 


belonging to four ge 


SPERMOPHAGUS Schénherr. 


A cosmopolitan genus with a moderate number of species, of which a 
single one is found in the United States. One fossil species occurs in 


( ‘olorado. 


BRUCHID2. les} 


SPERMOPHAGUS VIVIFICATUS. 
Pl. XI, fig. 6. 


Npe rmophagus vivificatus Seudd.., Bull. OF S. Geol. Geoer. Surv. Terr., ING 82 (1876); 
in Zittel, Handb. Paleont. (1), II, 792, fig. 1019 (1885). 


‘Two specimens, reverses, but one showing more plainly the upper, the 
other the under surface, were found by Mr. T. L. Mead. They are in an 
unusually good state of preservation. But very little of the small head 
can be seen, either upon the upper or the under surface; the portion exposed 
is delicately punctured, the punctures being closely crowded, and rather 
less than 0.01 mm. in diameter. The antennze show nine joints, which are 
together longer than the breadth of the prothorax; the first and second 
joints are ovate, the remainder more or less obconical; the first four are of 
nearly equal length, and of about equal length and breadth; beyond, the 
joints are subequal among themselves, but much longer than broad. The 
prothorax is crushed and although not displaced, it is difficult to determine 
its exact form, or whether or not it wholly concealed the head from above. 
It is more coarsely punctate than the head, the punctures being 0.025 mm. 
in diameter; the posterior border is broadly angulate, the angle rounded, 
the outer margin more or less rounded, and the whole prothorax broadest 
posteriorly. The elytra are very ample, equal, each independently very 
broadly and regularly rounded at the apex, which does not reach the tip of 
the abdomen; they are very distinctly but narrowly punctato-striate, in 
nine straight, equidistant, complete rows, besides an auxiliary row next the 
outer margin for a portion of the distance; near the tip of the elytron the 
outer and inner rows curve toward the middle of the apex and all fade out 
before reaching it; the entire border of the elytra is marginate. The 
femora, especially the hind pair, are stout; the hind tibize are considerably 
shorter than the femora and there are, apparently, on one side, faint indica- 
tions of the two long tibial spurs, with which the apex of the hind tibize is 
armed in this genus. The abdomen is exceedingly short and broad, the 
apical segment protruding a little beyond the others and well rounded. 

Length of body, 5.25 mm.; breadth of prothorax, 2 mm.; of body at 
middle of elytra, 3.25 mm.; length of antenne, 2.2 mm.; of elytra, 3.75 
mm.; breadth of same, 1.35 mm.; length of middle femora, 1.05 mm.; 
breadth of same, 0.28 mm.; length of hind femora, 1.56 mm.; breadth of 


MON XL——S8 


114 TERTIARY COLEOPTERA OF NORTH AMERICA. 


same, 0.48 nim.; length of hind tibive, 1.02 mm.; distance apart of elytral 
strive, 0.265 mm. 
Florissant, Colorado. 


BRUCHUS Geoff Dy. 


A dominant cosmopolitan genus, with abundant representation in North 
America. Seven fossil species have been recorded from the early Tertiaries 
of amber, Rott, Oeningen, Alsatia, and Utah. One of the two species found 
in the Oligocene of Alsatia is regarded by Forster as identical with a living 


form. 
BrucuHus ANILIS. 


Bruchus anilis Seudd., Bull. U. S. Geol. Geogr. Sury. Terr., II, 82 (1876); Tert. 
Ins. N. A., 484, pl. 5, fig. 125 (1890). 


White River, Utah. 


THN EBRIONID ©. 


Twenty species of this family have been found fossil, referred to eleven 
genera, one of which is regarded as extinct. Only two of these species 
oceur in the Pleistocene, one in America, the other in Kurope, belonging to 
different genera; the European species is regarded as identical with a living 
form. Besides these, undetermined genera have been found in various 
localities. 

TENEBRIO Linné. 

A cosmopolitan genus with relatively few species, four of which occur 
in the United States. Two fossil species are found in the brown coal of the 
Rhine, one in the Tertiaries of British Columbia, and one in the Canadian 
Pleistocene. 


'TENEBRIO. PRIMIGENTUS. 


Tenebrio primigenius Seudd., Rep. Prog. Geol. Surv. Can., 1877-78, 183B (1879); 
Tert. Ins. N. A., 483-484, pl. 2, fig. 32 (1890); Contr. Canad. Paleont., IT, 31 
(18$2), 


Nine-mile Creek, British Columbia. 


TENEBRIONID 4. 1 


TENEBRIO CALCULENSIS. 
Tenebrio caleulensis Scudd., Contr. Canad. Paleont., I, 31-32, pl. 3, figs, 1, 6 (1892). 


Greene’s Creek, Ottawa River, Canada. 
EPHALUS LeConte. 


A cosmopolitan genus with few species, of which one occurs in the 
United States. A single fossil has been found in Colorado, probably belong- 
ing here. 

EPHALUS? ADUMBRATUS. 


Ephalus? adumbratus Scudd., Tert. rhyneh. Col. U.S., pl. 1, fig. 3 (1892). 


Head large, apparently almost as broad as the prothorax, but all the 
specimens give a side view only, the surface uniformly granulose; eyes 
moderately large, nearly circular, but a little transverse; antennz rather 
coarse, especially the apical halt, where the joints are nearly twice as long 
as broad, the whole hardly reaching back to the elytra. Thorax granulose, 
exactly like the head, both anterior and posterior margins straight and trun- 
cate in most of their course, a distinct lateral plica or carina, the whole 
much broader than long. Elytra with well-rounded humeral angle and 
feebly punctured striw. Legs, especially tibiz, slender, the spurs small, 
the anterior pair broader, with prolonged outer angle. 

Length, 4.6 mm.; breadth, 2 mm. 

I have placed this species in Ephalus with some doubt, but it seems to 
belong in the Opatrini, and [ find nothing nearer in point of structure. 


Florissant, Colorado; three specimens, Nos. 6506, 7646, 14247. 
HELOPS Fabricius. 


A widespread dominant genus, with numerous American species. Four 
fossil species have been found in the older European Tertiaries, and one of 
these is also recorded by Heer from Greenland. 

HeELOPS WETTERAVICUS. 


Helops wetteravicus Heyd.-Heyd., Paleontogr., XIV, 33, pl. 9, fig. 18 (1865); Heer, 
Flora foss. Greenl., II, 145, pl. 109, figs. 8, She (1883). 


Umivik, Greenland. Originally described from Salzhausen, Germany. 


116 TERTIARY COLEOPTERA OF NORTH AMERICA. 


CISTELID 4. 


Ten species of this family have been found fossil, belonging to five 
genera, of which one is regarded as extinct. Only one of these species has 


been found in the Pleistocene, and is regarded as identical with a living form. 
CISTELITES Heer. 

A name proposed by Heer for fossil Cistelidee of uncertain position, of 
which he described four, two from Greenland, the others from Baden and 
from Sachelin in eastern Asia. E. Geinitz has used the same generic term 
for species trom the Lias of Dobbertin. 

CISTELITES MINOR. 


Cistelites minor Heer, Flora foss. arct., LI, 25, pl. 5, fig. 13 (1874); Flora foss. 
Greenl., II, 145, pl. 109, fig. 6 (1883). 


Puilasok, Aumarutigsat, Greenland. 
CISTELITES PUNCTULATUS. 


Cistelites punctulatus Heer, Flora foss. arct., IL, 484-485, pl. 56, figs. 14, 14be (1870); 
Flora foss. arct., HI, 25, pl. 5, tig. 12 (1874); Flora foss. Greenl., Il, 145 (1883). 


Puilasok, Atanekerdluk, Greenland. 


MBLOITID 4. 


Thirteen species of Meloidee, of seven genera, have been indicated from 
the lower Tertiaries, but only about half of them have been described. 


GNATHIUM Kirby. 
An American genus with half a dozen species, all but one found in the 
United States. A single species has been found fossil in Colorado. 
GQNATHIUM &TATIS. 
Gnathium wtatis Seudd., Tert. rhyneh. Col. U. S., pl. 2, fig. 10 (1892). 


Head smooth or with barely perceptible rug, prolonged, the eyes 
oval and nearly longitudinal. Prothorax remarkably short, apparently 


broader than long, longer above than below, with very faint transverse 


MELOIDZ—RHIPIPHORIDZ. abel 


rug. Body of the single specimen preserved on a side view so that it is 
impossible to say how much broader the elytra are at their base than the 
prothorax, but they have the appearance of being somewhat broader ; there 
are faint signs on them of an exceedingly shallow, not very dense, and 
uniform punctuation, and, in places, of short hairs arising from the puncta. 
Lees very slender and constructed as in G. minimum Say. 

Length, 6 mm.; breadth, 2 mm. 

The form of the prothorax is very unlike Gnathium, but I find no 
other genus to which it is so nearly allied at all other points. 


Florissant, Colorado; one specimen, No. 7493. 


1a) cob) 0) Bel bd E7) es KOM agli Baad: 


Only four fossil species of this family are known, belonging to three 
genera, all but one of them found in the Old World. 


RHIPIPHORUS Fabricius. 


A north temperate genus with relatively few species, most of them 
found in North America. A single fossil has been described trom Colorado 
and the genus has been recognized in amber. 


RAIPIPHORUS GEIKIEL. 
Rhipiphorus geikiei Seudd., Tert. Ins. N. A., 482-483, pl. 27, fig. 1 (1890). 


Florissant, Colorado. 


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ledbos ibys: 


lea Sveci Bia, Oe 


PLATE I. 


All the drawings are by J. Henry Blake, excepting fig. 5, which is by 8. H. Scudder. The 
specimens drawn come from Florissant, Colorado, unless otherwise specified. Numbers in parentheses 
are those affixed to the original specimens; fractions in parentheses indicate degree of enlargement of 


the figures shown in the plate. 


Page. 

Bircieelle. (2086) 502) NOM anetusisenus: sem eeee (me aeee ote ae eee one eee ee eee 13 
221 (LaGO1) (42) a2 Bem bids tuna 6 rims eee eet ye ee eae eee eer 19 
oi 6382) "(Sala wNebria occlusa; ely trom’ sso. eer oe = ees hence eee eerimee aby 
Are(4GL73) a Sas Mvasmripetactus passe maee ae once ee petra ie ec cee eee eee ete 20 
5. (24L.) (¢). Neothanes testeus; head and thorax. (Green River, Wyoming --.----.---- 14 
6: (14139) ($). “Carabus jeffersoni; head:and thorax: (2. 2s55-2-.--42-o-eeose eee eee = 15 
% (20) \(#)) Calosomaiemmonsiisielytron@o-e8-ssece- 6 asece= 22 se - se ase ee eee 16 
8:1( 1899) (4). -Evarthrusi tenebricus: head2e-c 2 se assae neon eee. eee eee eee 24 
95 (11790) (28) Bembidiumiobductumes sesss ese ee eee eee see serene eee 18 
10:1 4264). (3). Carabusijeffersoniselytrons---=4eetmeecesesnees se eos ee ieeeee eae eee 15 
TUES 29208)) ($9 Miyas: umibrarumn, coe cecec sacle eae eee eee eee merce seoceee ae eee em eee 21 


122 


MONOGRAPH XL PL. | 


U. S. GEOLOGICAL SURVEY 


20 EG A EL 


oes ee Genrer cre ne . 


CARABIDA 


iPibve Ao JAE 


CPAGAS Ts el, 


All the drawings are by J. Henry Blake. Unless otherwise specified the specimens drawn are 


from Florissant, Colorado. 


Page. 

BiG se lla (16970) (2) epeArm ar ars tert Se oe yar are tee ea eae oe ee eet ee eee eto 225) 
VERO) (Ca) prestethe moon KW ile Sones Sega epeatates a 55 os5ecupenUnoccusauws ssassos Sagar 26 
She 414) (2) eAomaraveterate soe secs clase te senate se ieee eee eer 26 
4. (14513) (42). Platynus dilapidatus; elytron. Scarboro, Ontario.......--.--------;--- 30 
5i(en1s4)) (E2)n, Amara powellit soos. ose eee eee ere eee patter i 26 
650404)" (52) 5 Amara mevocatars asso —atete tears area ae = ee aot ota tere ee 25 
7.( 624) (4). Carabites exanimus; elytra. White River, Utah..............--------- 28 
85)(262)) (Ce) ey Amara dangeys saya eet ar a ae te ee eee ite rete ttt 27 
Oe bU1) (22) Amaransterilis’ 2s S52eo6 ceo see ee ee ee eee eee ee eee eee 25 
TOME 886 7) (ES )in tAmara danse + leg ase cn arto = eyes eee eee ee 27 
AMES S867) C25). Atm ara dam se 2 2 ee pefepectece eee ee ate atotaye ate ea eee te T= [eee ele ee eee el 2M 


U. S. GEOLOGICAL SURVEY MONOGRAPH XL PL. II 


CARABIDA, ESPECIALLY SPECIES OF AMARA 


THE MERIDEN GRAVURE CO. 


PLATE DL 


PEAS er. 


All the drawings are by J. Henry Blake. Unless otherwise specified all the specimens drawn 
come from Florissant, Colorado. 


Page 

Bras a (PAGO) (Se Pterostichusiwalco ttle. 9 -se meee 1 reese eee ae ae eee ee 23 
2(eSh28)0 (ae) a Plochionusilesquenrcuxi Seca = eee er te ae ate eres 3 
Se 201) CF))s Rterostichusipumipelliva 22 22a = Sone re err eee ie eee 23 
4. (2). Cymindis extorpescens; elytron. Hadley, Massachusetts ......--------- 32 
5. (92 P.) (#). Galerita marshii; elytron. Green River, Wyoming....-..-..----------- 31 
62> 165)iaCe). sHarpalusimuperusi! 22252 822 2 Seo Woe ee ee eee ere 3 
iei(Go2o2)\(0¢) ev Platynus tantareusss. <= 35s cee oe eee See cee ese a ee 30 
8.1(:9252)) (2), Blatynus\tartareus’ fore lep)= 22s sess eile ete Seis ieee ee ete 3 
9.2244) (4°). Platynus tartareus;, head-andithoras 2-5 --eeeaneessenoee rere seer eon eeeee 30 
10. ( 8981) (42). Brachynus newberryi; elytron - - --- aa oA catagories 32 


126 


U. S. GEOLOGICAL SURVEY. MONOGRAPH XL PL. Ill 


CARABIDA 


JP ova E aby SID 


127 


PE Ay: 


All the figures are by J. Henry Blake. Unless otherwise specified all the specimens drawn 
come from Florissant, Colorado. 


Page. 
Kies 1 .(6622) (G2). Stenolophusireligatuse = ssc. cre eee eis rere ite ae eee 35 
2.-.(5984) (2). INoth opus) kan gine ciyes = cee te ate = apni = foe eater ee eto 34 
3. (} ). Dytiscidee sp., perhaps a Matus; metasternum. Hadley, Massachusetts... 37 
AL SOG)) (eS) A eo ea was er ev la an a gra ree ee ac 37 
5. (22). A portion of the surface of fig. 3 still further enlarged. Hadley, Massa- 
Ghusetts: =< 25 Nees eee ee ae eee ere 37 
6. (8316) (42): Brachynus:repressus: telyitronie Sse 22 ae ce ee eee = seh =e seein 33 
%. (1:829)/(22): Harpalus' whitheldin 995229222 sesso eee ee ee = eee eee eee 35 
8 (8789) (4°). Brachynusmewberryi) < sc s)sscese =o meeeene eee eee eee eee 32 


128 


MONOGRAPH XL PL. IV 


U. S. GEOLOGICAL SURVEY. 


CARABIDA, DYTISCIDA 


THE MERIDEN GRAVURE CO. 


' 


PLATH V.~ 


All the drawings are by J. Henry Blake. 


Colorado. 
Fic. 1. 
2: 
4. 
Oe 


PUATE 


Tropistenus Vanus,-~ .s—- Aosta se assem ease Seles ee eye ei = eee eee 
‘ Lropisternus limitatus 2s coca eeenssiee seen oe eee ee ee eee 

Hydrobiusimaceratusse. ce. sees: eeeree bese eee eerie 
a blydrochanisvextricatusieses see peer a eree eee tase ates 
5 ollpharcoloratas qe noes ere ee eer eee tee ere eters eet 
I EPA VITESSE LIN Ob CUS Sse eyopepe aces ate te ee ere eee eles oe ee ee eet 
» Acylophonuswmimotus't =: tos-ce sce ee tae ee eee ae eee eee 
~ Eleterothops:conticenss. 2222. a. casac ce sees See ae ra esac eee eee 

Heterothopsiconticens; headiand! thorax. -.-2-- 5. .5- see cess eee -e ee 
). Quedius chamberlini 


~). Quedius chamberlini 


The specimens drawn all come from Florissant, 


Page. 


39 
40 
45 
41 
44 
45 
47 
45 
48 
49 
49 


MONOGRAPH XL PL. V 


CAL SURVEY 


U. S. GEOLOGIC 


HYDROPHILIDA, SILPHIDA, STAPHYLINIDA 


: “= 
1 ahs 
m4 ni > 


Pal Ash vole 


All the drawings are by J. Henry Blake, and all the specimens drawn are from Florissant, 


Colorado. 
Page. 
Pies Me(68259))\6s.). (Quediustbrewerl2-22-- 425-2 se aseoeeee seer oases eee eee eee er erate 49 
2; (13630) (20) Quedius breweril 42026 v2 ers siceieve seein ssi ee eee ie eens 49 
Ser ELS GUSIN (to) = waa biumm SeCtLS ss 2 ees eyes eet ot rete oe tetera orate tetera 50 
AS elie ON (2) 5 luaas Diu ASAI Zi) assent a eeiee ene eee Cee eee eee eee 49 
SA(13631)A( 2 )., Philonthus*marcidulus\ 222082. sees eee ee eee eee ae ee eae a 54 
6:(¢8692)) (2 )- Staph ylinusilesleyi-22 s4-2ee see oe co eee eee see eee eee eee eae 51 
7( 8692)i(22). Staphylinus' lesleyis antennas2- = <2 oc Je we oto es eetsnne = siete lea a Al 
Sr GUZGd) Ge) eee bilonthus marcid uluste: seeeeee ee eee eee ene eset leeeee ieee ear d+ 
OF Gr G16) W(ee:)-, Philonthustiny Gla tus eee see ee ele eee eee eee eee eet a 
LON 616) (G2): Philonthus invelatus;antennae2s- 22-22-20 see 2 jee ee ee 55 
LU (16410) 34). Staphylinus: vetulus2s- 2. sears oe eee cee eens ee eae ee ee 52 
12 (16410) 0); Staphylinus'vetulus; head\es cess ais cie ce sieie siciaiae cls ene ae eleteioe tere ela 52 
Be olan) a(t 4): vehi onthustmarcidullisissseececssestecsee ore e meen ee eee eee d+ 
14N (12486) ace). ehilonthussmancid ulusits sees onceee eee eeeeeee nee emer ae eee 54 


132 


U. S. GEOLOGICAL SURVEY MONOGRAPH XL PL. VI 


STAPHYLINIDA 


_—" aa 
is 
a 
_ 
| 
| ry 
Ae 
> a | 
io 
= 
- , ~*~ 
> 
: 2 
7 
= 
- 
1 
, 
> 
a 8 
al 
,. 
. 
 . 
» 
» 
; 
: 
: 
} 
a 
: - 
7 
: . 
: . 
7 
7 > ve 


on ke 7 - 


Jribpes ela VIEL 


PEAT i Nar 


All the drawings are by J. Henry Blake, and all the specimens drawn come from Florissant, 
Colorado. 


Page. 
iceel. (328) (22); ehilonthus hornissantemmay sees sere ee eee tein eee rr 56 
Que 7085)F (= ee dehilonthusihorntlec scr seats sate ee era tee eee eae ert 56 
30 (2500)1(-= ee Philonthustabavusisccc essere seer ete eae ere eee eee 57 
45/2563) 0 (-$) sok antholimusteme lramis ayer eye eye ers eee arene terete lee eae teeta 58 
Da|(12563))\(22)exiantholinus tenebrarius;samtem nat eres = ate eee eet eet 58 
6AC1607) (= is Xtantholimusiteme praise ees ntact ltr 58 
Mal OOO) (ae ye, (heptacinus: maclureneiesr crsraysts tra acetate telat rade tes le ee ete eel 60 
Si 73446) (22) eaclain ist soir tus spss cee eee te tre een eee 64 
On( 7OSth)) (22). Lachinwsisomim situs see ct aes eee teeta elt tere 64 
10: ( ‘7581))(2). Lachinus'sommatus; tiplofabdomen! —. 2222-22 2<- 2 en eee ee 64 
Tal (SAS? 2) Ex eal =) ol ekaboqnlsaekeehAbls| Be mee soos Sour Saco eooone por aemposeracbEcdscesS5c 59 
12265) (2) 5 db ptac mus fOSsus sepa eee eee tee ney tee ee ee oe ee a ee 59 
UH (M2767)(G2\e Leptacimusy? @xsSucidusi eerie sere ae seal ates te ete este 61 
14° (13615) "(22) 5) eptacinus led yi asic reer arte re eo eta) 61 
15 (256) (2) ebeptacinus ma Clues seetss ==) ee eee =e ne eee eee te 60 
165 (05556) (22) eithocharis:scottiiies= neers cee ae eae eet ee ate rare 63 


134 


U.S. GEOLOGICAL SURVEY, MONOGRAPH XL PL. VII 


STAPHYLINIDA 


. ies. hs; 
es ie 


fat M es ou 


a Br oa 


Thi Ce 


jeje) Me) SaNGE 


Parag a eve lee: 


All the drawings are by J. Henry Blake. Unless otherwise specified all the specimens drawn 
are from Florissant, Colorado. 


Page. 

Fic. (24225 (29) ee bac havin OPUS mi OTTO CTT Se eee ern epee tet et er eee ee 65 
2 (L0807)| (42)5 (Boletobius ly ella Ses sao st aeccoeeee oe eee see cee a ee aeons 66 
3: (6055) .(4 2) wboletobius:tun ditustasaecs seem eee ee ele eee ener eee eee eee 67 
a03('6930) (2%) = Boletobiusrdurabilisies eaee = ecroe sae ea te See ene eee eee 67 
53119207) 0(22)< “Boletobiustdurabilis!= seperti aeree ee ae tee lee ae 67 
6,(14737))) (48). Mycetoporus:demersus' a2 ease os- eeeee meee eee ne eee eee eee 69 
fal(“O39%)= (48). Boletobius'styeis:-< S22 coax oe ner elaine oe letter elecca eee eens tees 68 
835(21313) (22). Bledius'morsel sa. h2 ssc es -ch sees oseeseeee eacine = oe See ee eiae aes eee 70 
9. (186P.) (2). Bledius feecorum. Green River, Wyoming.......--.--.--------------- 74 
LON(G2Z803) (28): Bledius:solit 220 252 = feu eeeee eee eee ose ee een ones ae eee “i 
ise sAvl3) (2) Blediusios boric: seeker see eae Cee ee ey ee ae ee ee 72 
125 (Ue GOO) bi (ae). HBLedinisiOS orm lyse cee = aie = apie ae ee ee 72 
35( 268915) (G2) 5 Bled ius preheat ont Sytner yee 73 
14s (1123) \(22)2 Bledius'solipssis 2 ee ate no ese ee ore een ee een eee eee eae 71 


136 


.U. S, GEOLOGICAL SURVEY MONOGRAPH XL PL. VIII 


STAPHYLINIDA 


lA xe 


PA ix 


All the drawings are by J. Henry Blake, and all the specimens drawn come from Florissant, 
Colorado. 

Page. 

BGs Wei 6256) "(22 )5 iPlatyste thus) cancare ust seyret stares sete wetter ele etree eerie fp: 

2.) 263) (42). Platystethus archety pus: 2 \2.-.2aee tem tees ear eee ei ee seer 76 

S7(82156)i(2o)Geodromicustabditus= sss. - eee serra eee eee ee eee eee eee ere aeeee 77 

ACUI 7): (2). With oconyne eravis! see facaiteerseyictee as lee oe ee aces = Sete seerse teat ee 83 

Bak gee Osi NK Ginn) ieee Matec oe ober tamtase demise eee ee eee rantodas soboadh sacednEon sontasaaus 78 

CHa (Gee TAO” a el Co) ee CORUM Oar nthe ee Coe aeecnr AG ouooeScE os Sansmocacesunaconmanedoccans 80 

fal 112\' 449); Pediacus periclitans).2. 2222-4, ee siecle oo steerer ea 82 

831227) u( 44) (Chilocorusmlkei = 32262 ha eee rei eae ae ee ee eee aera 81 

9: 1400)'1(2%) ss Carpophilus mestroctusa-- an-eeee ee eee ae eer eee ese eeeeee reece 86 

10.\( 2146) (2 2)e “Attacenusisopitus. 32 --2es4-esseeoece ee ceeee eee cree ote eae ee ee 85 

US (13565))) (2%). uNitidula prions 2a2emece-eaee ase eee eae eee eer eeee eee 87 


138 


MONOGRAPH XL _ PL, IX 


U. S. GEOLOGICAL SURVEY 


STAPHYLINIDA, COCCINELLIDA, CUCUJIDA, DERMESTIDA, NITIDULIDA 


jediveViNa) OS. 


12) Boga Del Dh. 


All the drawings are by J. Henry Blake. Unless otherwise specified all the specimens drawn 
come from Florissant, Colorado. 


HiGh dle (MUSOSN CSA) e INOsotetocus; Ge bili steer saree etter eta tater fate aera ee tetera teeeoo 90 
QH(9231") | (EE) Nosotetocus ide Dil asy oe yetes= eect eect ete ee] eta tea et ea htt mem 90 
3 aU 22S (Lz) UN OSO LEO CUS Aves p CIuLIN UG essere sere re aotearoa eee 90 
AN PALO) ee INOSOtetOC USM arco Vase ae teste reat rare ae erat tata airtel 91 
He ail a(2) 5 INosotetocus-m arcowase am term oer ect aerate tte tye eee eer 91 
GHi(eii40) us )\a- Cytilus tantaninus)eerse ye ee cree reee a Ree (ate RRS oe Ca By oes ns 91 
7. (15249) (48). Corymbites velatus; elytra. Green River, Wyoming -....-------------- 96 
8. ( 9421) (£). Psephenus lutulentus.....-.---...---.-------------++---------++------- 94 
ON (S124) (22) 5 Byrpbus yom cere erp epee rp tae aera a etal afte admin oin at iimal 93 
10) (1274) (2.)5 Amphicyrtal imbsesay sa a scrote tee ere al alfa taller leila mama oi 
ally ®* ). Corymbites «ethiops; prothorax. Hadley, Massachusetts -.......--.---- 96 
WZ (2). Adocetus buprestoides. Fossil, Wyoming..-.-.----.------------------- 97 


140 


MONOGRAPH XL PL. X 


U. S. GEOLOGICAL SURVEY. 


12 


BYRRHIDA, PARNIDA, ELATERIDA 


a 
yi 
Mi 


oe AY WW 


Jd avid) aL 


141 


eee eal 


All the drawings are by J. Henry Blake, excepting figs. 3 and 6, which are by Paul Roetter. 


Unless otherwise specified all the specimens drawn come from Florissant, Colorado. 


Fig. 


oJ) 


Xu de Oo 


og 


. (14690) 


( 
+ ( 


5. | 


- ( 


Sh 


10. 


( 


.( 4M.) 


7807 


11258) 


1M. 


8147) 


3046 


(+). Chrysobothris haydeni. . -- 
Cae) 

(7). Chauliognathus pristinus - 
(2). Parolamia rudis.-.......- 
(42). Ateenius patescens.......- 
(4). Spermophagus vivificatus - 
Go) 


. Donacia elongatula; elytron. Hadley, Massachusetts...........-------: 


. Saxinis regularis; portion of the right elytron, to show the surlace sculp- 


tures, ladlev wMesschuscttsee cep peeoae cece ae eee ee ee eee eee 


(4). Saxinis regularis. Hadley, 


(42). Atzenius patescens.....--- 


11. (14659) (42). Oryetoscirtetes protogeeum 


142 


IMassachusettS t-te ee ene ee are eee 


MONOGRAPH XL PL. XI 


U. S, GEOLOGICAL SURVEY. 


LAMPYRIDA, SCARABAIDA, CERAMBYCIDA, CHRYSOMELIDA, BRUCHIDA 


BUPRESTIDA 


lie Pky us oe Me 
a 


ms " nyt ye 


Wte #7! 
{ ania of 
a 


: ; a - - ; 
a! : j : ‘a i a 
7 a | . pe! - ¢ e- a gy w 9 Pe ’ 
mean’ | : - - ; ahs? ss 4 Aan Boake _ 
oa BA SA — 7 te — 1 Cake a ‘tt mm ae 
a ee 4 aa Enon 
Sie 7 oe : a ‘ ae : A i = ais 7 ae 
} Wekil : ' : a ih a tat > Phe ie ny 
men vas DS 7 : ' 7 a a 
| as she 7 j - : a Dien! ‘ae i a ' A ae a 
; x a A ¥ i) rad ve X >. fl : ; aD Sipe 7 - ~~ ” al ae me it ie oy 
ae ice a rho A ar Me Or a a A ye alt an + r a : om 
o » “ee i : 4? a Soy) i 
og if is) re a f ra 7 Jie ihties cee i. 
y 2 eae Ars Yh 8 I ey 7 7 a aa um y ove a 
- a hes ' A ua fe i J a 1 i 7) ar 
Al) hi? ' ms) . vie - uri af La 
a 7 ‘ 7 if — oy | : an ay rath - 4 
i ; : of ttaege ; : a “1 ve , - - hop Te 
ary ae i ra aot ioe 1 OAT io a ao is =e 
i pee as i ane n a Aine : th 7 are ~all ae . 2 ; rs 
7 mt. a v tat), vf i i ; mee & > Te in er. ‘) ans 
mos. cee f 7 4 * ha a rn i ay oe aif ¢ ‘An : sei > ve == a al ; 
ie 4 bre Pee es 4 } : aera e549 ; ees a eeeey 
"i 1 i a Vv —. 7 Ps vue PN 4 wu mY : ee - - my, 
7 r - Te) 7 i > an mi , 14 Y, AG a - ek: », a it _ q% le ey 7 : >) bs 
ns, uF rr Pils eae eo bis) fe ie a or eo : 
ry AU Lary Va ki . ies he Le Fad ft) re Ave _ 12 
a Lite © fe See eat) a A Hen any Pe Ok 
_ eee pager ah wee came yy hy, SMS eae 
| i? 7s ne) twa y f a 3 ry ray hue 7 Aye My Le - 7 J “a _ 
: han ‘ : a , ae see 9k a y Lt Pay fue a a A f ae 7 ae a 
me Gyr Sf: Y ator on Dayton SY ee io is Tn 
— in : Pod ey dee mari eh a a) W ia ny : 
- 1.9 ; { Ae he, © Tee i Mi us Pee 7 : 
ai, .! ; — : wi, “ q ; ae _ ig RE We 44 hie ee 7, 4 My Dic ree a 
a. : 7 ig: i i rp. - le 
a, ow Pa oy Cae PO han AS a : 
pls 4 Wish 2 mt 7 7 ye a eae a ah ip ; Ae Te ‘ss! ane? , ae ny ay 
46 ; in ’ sie" a ‘9 ei ewe ah Wee aa nl n) 7 _ a Mis 
ae : py? i; ; : — 7 Hat ee y oe 7 she ts iy oe ; : f 4 Teste) rar 
eas. : » ° s > Wate) te a : ru {x ne Dir 
va, : . . fie = 4 i faethe cae me Pr isha ne tis an Ve Me ra “8 
7 : i . - ww ash - TF) ot use iy hy ae) ale trey 
- , i; ad ait J ak RA eens Ae ; 
a i 7 , i - * 17 a is ON: Pan. Ve hi i ir \ alan 
bay | 4 bb anes oe a ae “a ys i A oo vi wih! 7 
“so 7, : th 7 7c fe Me f Fig a ia iy yi in 
® ; é a a _ 70 F baad a i A = a hdl). od 7 
i ao a rie i 
: Ly) - A) : a 7 
ai , : > ae V 
= hae : ; oat . 
a ra s aki 7 


ashi @ 


INDEX. 


abavus (Philonthus). . 
abditus (Geodromicus) . 
abrogatus (Pterostichs:s) 
abscessum (Lathrobium ) 
ACYIOPNOrUuSssc= <2 ciecis= ae 
NAVICOMIAG Ea tats eee 
immotus 
Adalia .. 
bipunctata 
frigida 
subyersa 
adamus (Bledfus) 
Adocetus 
buprestoides 
adumbratus (Ephalus) ...- 
Aegialia 
rupta 
vetatis (Gnathium) - 
zthiops (Corymbites) 
Agabus ... 
rathbuni 
agassizii (Laasbium) 
JNA Ss peigacogon b+ bssode cane base Eocobee Ge ssssocsesdee 
SONNE nacosossascor ceciqqcnbdeensgsendspcesces 
alaskanus (Chrysomelites) 
alutaceus ( Diczelus) 
Amara 
angustata 
urate 
californica 
dane 
impuncticolli 
powellii 
MEVOCE (asec 5 
sterilis 
veterata 
amictus (Hydrochus) 
Amphicyrta 
dentipes 
inheesa. . 
anilis (Bruchus) 
Anobium 
deceptum 
Clb igs): (G) elsian54 seed ac cb pocusEnonainebocanasnasaos 
lignitum 
ovale .- 
Antherophagu 
priscus 
antiquus (Phanzeus) 
Aphodius ....-. 
precursor .. 
’ 


Page. 
57 


archetypus ( Platystethus) . 


Arpedium 
SUIIICIC TIE sae essen aca ete e cee 

ASCER TALUS Pots cyeteraisicte ete te sateicinta ia dts iaiarattalons eyelet catia cise 
QDGIGUSIE ceasaa tees to inne eee eet ee ee | 
patescensSieeae- == ---= 5 

ALES CONUS! oar oials tne eitc cis eis taee cieteiale sere cis eee ates 
megatoma 
DPOHIOC rts <5 ee ene eres nace sens sete ee ce 
sopitus.... 

aurora (Cymindis) 

BEM DIGI Meets close eee ce eee ar ie ero © 
exoletum . : 5 
ATAT MeN tU My cee cemseeee cee nin etsecae eee - 18 
elaelatu iy. ccc cetacean oem Sec oe eee 18 
lobduetumiscss Sees coe te soe a eee oe 18 
(110010) eo serene ona ROAR Se USeC Coane sae EEA epAeBAG 18 
tum Ulorumic soso scan odacteces sees detec 19 

WABCLOSRS eens seem: ene: ee mere taco ae oe eee ey ee 41 

sexstriatus 42 
temuistereee aoe 42 

binotatus (Mycotretus) 82 

Bledius 70 
adamus 75 
annularis 73 
GUNNA EE Ae echo eosEconsoqeatondseccecgsras 71 
feecorum 74 
flavipennis 7A 
glaciatus:<2-22shosesccce ee esec sect 70 
morsei 70 
OSU pee ort noses sor qaaeedas sacchoosopee saeues0s 72 
primitiarum 73 
1 <ale LONE con SoasS can seoosarecsdondeqconucanoseas 70, 72 
semiferrugineus 75 
OV bl nisoc Saagnencosmueesic aan pecmsasneaccdosocugo sass 71 

IBOletoDius\ aera seise sine een cele cae Ameer eects 66 
ONAN) oseaecpgdeccendongeEooneodsn saesenocaeadeee 67 
GUTADIIS AS 22S isae sl conde societies eee see ees 67 
PUN GIS) soe see ssa eee eee 67 
lyelli 66 
stygis 68 

Brachynus . 32 
EWN eSNG s ono onGoasaosnaqasensonse 2p sasanesesecosos 32 
NLEPeOGIIEy GaAnm ono qnBAsaaASddeaSARCS npebesssressseSuns 33 
WEAVASIS ONG oo socsnSeHeodonasosensrasaose Sobceancenas 32 
TEPTOSSUS = ooo ite oo ane ee see eee eens 33 

breweri (Quedius) 49 

Bruchide . 112 

Bruchys” jase stele et sinieiictes Glew sonic see clans 114 
Chav hts prssansorocosmssg Sos 5nagsSsE GAS sedadaooaneecs 114 

IRS ENCES Seqpcceaar aesSesapesaaac nubs eo aes aeesEccs 98 


144 


LTH oh c1o Chee ac anedoneno abo Eoseae SaouSsee aeHEeS RRS tae 5 
saxigena 
sepulta 
tertiaria 


buprestoides (Adocetus) 
Byrrhide 
lM Mid NE sea qedancnanSoereauEsOou Sten sa se atbeanoseseac 


geminatus 
ottawaensii 
romingeri 
ceesus (Platynus) 
calculensis (Tenebrio) 
Calosoma 
deplanatum 
emmonsii 
ESCH OM eran sere nace ce oc sccleemec ony once aoe 
willcoxi 
Carabidee 
Carabini 
Carabites:sssecee setae ese. eel 
exanimus 
feildeniamus...--.....-.. 
Cara bUSStrmceetriceasatee sae 
jeffersoni 
carcareus (Piatystethus) 
Carpophilus eye amie < ola lero eei-eias cs ieiecies esses ce 
hemipterusk eases. cee deeenceieent eee eens aoe 
BSN CCL Se cman Se ose cite Ae Ga aMeoRAAARGBOSSaoeeS 
casus (Platynus) 
Cebrionini . 
Cerambycidee 
Cercyon 
terrigena ... 
chamberlini (Quedius) 
Chauliognathus ...-- 
PRISGIM US Hece ciara ctssmislomtsljaf ae eee ete eer 
Chilocorus 


@hlenitiskeer eeeees een eee 
punctulatus 
Cheeridium ... 
ebeninum 
Chrysobothris 
hay dentin sce cages caceee es ss te neeoe eee eee 
Chrysomelaccsns sce snes ace et So eee 
elegans...... 
Vesperalisst- ce acncasaseseeee cosa ek epee a 
Chrysomelide 
Chrysomelites 
alaskanus. 
fabricii ... 
lindhageni 
Cistelide .. 
Cistelites 
minor 


punctulatus 
Coveinella 


eceni (Triga) 
Colaspis 
luti 


Page. | 


99 
99 
99 
99 
99 
99 
99 
97 


| 
rl 


. dissipatus (Platynus) 


INDEX. 


colorata (Silpha) 
Colymbetini 
confixus (Hydrobius) 
conticens (Heterothops) 
Corymbites 

BUHIOPS see esterase eoc eee etiece eee eee ees 

velatus ... 


pUNCtatus ee cee eens 
Cryptocep hallustessscce se eae eee e eee ee ee 
vetustus 
Cryptohypnus 
terrestris 


Cuecujus . 
Cyehrus 


CREO IS: ca aaacaaaionioate SqaehS she CESeeS nS otGos cdseen 
wheatleyi 
(Oh parhbels bee sane Bec od eoogeashansec sada so sbeegusocuaanes 
BULOLB)s mete ae aee ce cemicias ate eee ase asec ce eee eee ee 
@XTONPESCODS oe cere nate iat ime vice ete (ois) ae eel ra rae ears 
@y tills te eee ate eee 
dormiscens 
tartarinus 
dan (Amara) .... 
debilis (Nosotetocus) 
deeeptum (Anobium) 
decineratus (Hydrobius) 
defuncta (Sitodrepa) ......-...-....- mosis sce ee 
deletus (Epiphanis) -. 
demersus (Mycetoporus) 


| depilis (Prometopia) -.....-.-. BORER A ae Ne See 


Derm esti seen iese maine winter eee eee oe 
destructus (Pterestichus) - 
desuetus (Platynus) 
IDOE SPE i meemsasceasocunAdcsccsmetaneodas 

alta ceus sect ciesieceereieenes = 


Diplochila 
henshawi.......- 


Donacia 
LOM PAR a arate tater ste = stelatclerentatatreisiaee ieee cease 
pompatica 
stiria. 

Dorecatoma . 

dormiscens (Cytilus) 

dormitans'(Pterostichus) \ 22s. cee sence nites ce 
durabilis (Boletobius) 
dureseens (Anobium) - 

Dy itisel des So tsarncateta st nlejerereiaslnisieia'e eocloeeani aceite n= 

NANO bE RS NeagnaoqoRersspesceen ede Honsorpcepccoecacere 

ebeninum)(Cheridium))e-- sec. -s-scese ane oeeec seers 

APH YUS asa orajate ciniareiseteis tlle 07s ele sicisieteis cine apc sfe isle sete 
IDNGPUIATIS hea seiaec oe toenail aaa leniomse eee eae 

Elateridé 


13 
32 
32 
32 
89, 91 
92 


emmonsii (Calosoma) 
Epanurea 
ingenita 
Ephalus 
adumbratus 
Epiphanis 
deleius.. 
Epureea 
* Erotylidze 
Evarthrus 
ANG LUIS aoe ec oeclcine nian ee cee eR ee Gene ee eeeiae 
tenebricus . . 
exanimus (Carabites) 
BISCO MAIS ate easyer ete aioe aSAGrE Stafilaraaenactne see elteels 
exoletum (Bembidium) . 
exsucidus (Leptacinus) 
extorpescens (Cymindis) 
extricatus (Hydrocharis) 
fabricii (Chrysomelites) 
feecorum (Bledius) 
feildenianus (Carabites) 
Fornax 
NOG ONSIS Sete ciersete ye els ols ate seie sone mete sicigeions 
fossus (Leptacinus) 
fractus (Pterostichus) 
fragmentum (Bembidium) . 
funditus (Boletobius) 
Galerita 
marshii 
Galerucella 
picea-.- 
geikiei (Rhipiphorus) 
gelatus (Petrobus) 
gelidus (Pterostichus) 
Geodromicus 
ADATEUS, iste cc cmc cetac cen anne inten sc cemnae deme 
nigritus 
stiricidii ..... 
glacialis (Loricera) - - 
glaciatum (Bembidium ) 
glaciatus (Bledius) 
Gnathium 
Belin hima ebens cemmonooomensasceccones pechcesoccecngs 
minimum F 
gravis (Lithocoryne) 
Gyrophana 
saxicola 
halli (Platynus) 
Haltica 
Harpalu 
Gish cos ackanneeastonacnocnos spncepaacnsesasocns 
nitidulus . 
MUPETUS see esas 
whitfieldi 
harttii (Platynus) ... 
haydeni (Chrysobothris) 
heeri (Buprestites) 
HielopnoniStes sperma eateries cei 
rigescen 
Helops 
WGC ALOUR KS - pimcma ceo bRoGande SaShasocuSebSnaosEs 
henshawi (Diplochila) 
Heterothops 
conticens 
pusio 


INDEX. 


Page. 
16 
86 


28 


oI 1 


oo 


moar aT wr tt 
x 


' insignis (Trogosita) 


' jeffersoni (Carabus) 


hindei ( Platynus) 
OMA Oba eens Ree RRS ES ce eee er eee 
recisa - - 


Hydrobius - 
confixus . . 
decineratus 
maceratus 

Hydrocanthus 


extricatus 
Hydrochus 

amictus 

relictus 
Hydrophilida 
Hydrophilini 
Hydrophilites 

naujatens 
immotus (Acylophorus) 
impunctus (Limonius) 
UN Ca pax (PHENOM Al)! tomes st actat = sot nian s see ae 
ine enitas (Epanurceal/saesee se eee saee ee eee eee 
inhesa (Amphicyrta) . 


interglaciale (Lathrobium). 
invelatus (Philonthus) 
irregularis (Elaphrus) 


kingii (Nothopus) 
Laasbium 
aga 
sectile 
Laceobius -.. 
elongatus 
Laccophilus 


levigatus (Pterostichus) . . 
IW. Se ae On BEPE EE So pace Ane nCRGOBe Coe ccEGhppe BSAGSAnE 
Wamioides Beem asataee stents ete coe ee nee eee ee 
lbGhin oho LE seoranensmpaeans Rese aGceoe sane aaancouuosanAS 
TAH YOD WIM esa facie ses = aaa eee a a 

SUD SCESSUM ema nennr =e meitase ae 

interglaciale 
Lathropus 
Lebiini 


leidyi (Leptacinus) 
(heistotrophuUsseee eee cee sass eee an eee eee 
patrlaArchi Cus metaeh eesseece eee 
Io) Ke Lob) oem aaeacosanaRananaodcescdpp nse Seosupeccse 
batychru 
COG MEBs. Sor peeeeseceRoocesecccdo scneusmnacanaae 
fossus 
leidyi 
maclurei 
MIP TIPeCN MIS eee reese ee s 
MIB MOUS e eecce ee aes cane eee nsce ote eens 
lesleyi (Staphylinus) -. 
Jesquerenxiil (P]OCHIONUS) memteecsi eee sae eee ene 
lignitum (Anobium) 
limitatus (Tropisternus) 
Limonius 
impunctus ...... 
lindhageni (Chrysomelites) 


145 


Page. 
29 
46 
47 

“56 
43 
43 
43 
43 
36 
36 
41 
41 
38 
38 
38 
37 
40 


146 


Page. 
Mhithocharisvscs-cececeiec ease mee se sonies cise ineeaser et 63 
corticina 63 
scottii.. 63 
Lithocoryne 83 
SIAVIS 52022 eessces yoes eee ens cee 83 
Loricera - 17 
Placialis==-+e.-: aly 
lutosa ad 17 
Loxandrus gelidus. 22 
luti (Colaspis).-. 109 
lutosa (Loricera)... 17 
lutuléntus'((Psephenus), 2: 2-222 <2 2-2 bsciece< see sen es 94 
Avellip(Boletobius)ite vases soos srtoaa oe see eee se eee tee 66 
Liyttateesculapll-- sacs cane ce eek ee eee ee eet eceisces 102 
maceratus:(Eiydrobius)is4-- a1 ace ete tc eielena-e ersieieteoe 43 
maclurei (Leptacinus)......-.2.-2-.-0: BASH ASE Ae AHA OH 60 
Malthinus 101 
Mal ihodes ais ar -eisae aris 101 
marcidulus (Philonthus) D4 
marcovi (Nosotetocus) 91 
marshii (Galerita) 31 
Me GUS er maeteat = 37 
Meloide -.. 116 
Microrhopala 112 
30) bate ceene 112 
minor (Gisteli (es) So eeee eee 116 
(Cychrus) 13 
MMonOhamM uss tet. -re:-jeeeiats e-em alias wees sss eeeesieciae 106 
morsei (Bledius) . 
MOTUS (OXsy SF ONS) ee rere ere era ota e ete elaine terete cieleaiiaia 
NEES se GaASSeoceconsee parsasenD 
cyanescens 
TIP OLA CUUS Slam cperayate stale weeaeleraiayatate eestercte rate eisai ees Ae ee 
umbrarum 
IDV. COLO DOLUS cee cle teem er nae eee ee eer tatat ata 68 
AIL OTA CAIUS stars nlatcreratatateraiesfaraiay={aiaiacielaiatsiato serene ee eatere 69 
CMETSUS cee tees eee eee een aaa 69 
My cotretusix.ca- Semicon ceeeeei en seen sate 81 
binotatus:.--2..2-: 2 
naujatensis (Hydrophilites) 41 
Nausibius 83 
Nebria 7 
OCC) USA 3 ha). ce eect cra re eee seen sa eee ne ees 7; 
Paleomelasiaecesossem ee eeesane seas se emcee tee tei 17 
Dal De eect ces ecg ee ee ale eee te eetoicletcters eet V7 
Necrophorus. 44 
NGO LD AICS emer = caemiee sce 14 | 
[iss CR ASS AOnGan daqcn SSG con OB BBaomaTeee saa Nesaboe 14 
Newberry! (Brachynus)) ascs tase saci epee eee ee eres 32 
Nigripennis:(Tachyporus) <2 .0-<).. 2. coe. -aeenscnle ste 65 
IS Mats aU Ne Ree anericeisndoe I qse aU Anna GaddeScbpnca Saco 87 
JW @) $enboeGuaECbaDena EcEU ac son ae soen eos sbsere bod 87 
rufipes . _ 88 
NIGGA ee) 52 aoe ee Sete mci seieicee Se rice canes neeeie ere eee 85 
IN) 1a ho 1) Cee e ac cana ROSOABO SOE AA SCAG R OOo 5 SOSSROBOS ssn 13 
MIM PerleCtus ac cicteeciee vessel aerate 13 
SETU SU. ciatate| state ate)aiara tars: ceteie batatefayels ate tere ini ete tes eS 13 
Nosodendrinz 93 
Nosodendron 89 
tritavum . 89 
WOSOletocHss.) sciseeiaccc tote dems eae cones cieeeme se epeesies 90 
GeObiliS At fee oe. teens sean ete eet cee ieee tein 90 
marcovi. 91 
vespertin 90 
Nothopus 33 
kingii 34 
zabroides .... 34 
nuperus (Harpalus) 34 


INDEX. 


‘obductum) ((Bembidium))/s222.--5 2-2 seeeeeteeeesaeceeee 
obsoletum (Staphylinites) 
ocelusa (Nebria) 


OCYPUS AtENtczccteec ey assee tec tease Ia eee eee 
CEdiony chiscte. .sascespeescee co sce ne ceer tele onee eee 111 
diony chites oss. eesem sce coe ahiae sees cee eee 111 
Opatrini 115 
Oryctoscirtetes.........: 111 
PLOLOS Sa eee eiciaae anes see ee ee eee eee = 1 
‘osbormin(Bledius)jasemsccenest eee cea eee cee 72 
Obhins esse cep se eae stot oe ee eee ee 62 
Ottawacnsisi(BYOnhs) ee seace es eerces eee eae sees 93 
Oustaletin (Mrow)\iece<< cas ea noe an ae ee eee eee 105 
ovale) CAMODIUM) fot: se tee ones cee seen anes eee as 102 
OxXVLONUS: «ee. ae 97 
TOOLUIUS teem sisseletieianetee tami = = eee eee eee ees 97 
OXY DOLUSh cesses ea ae eee ciee cee nae eee eae ee 69 
StINIA CUS eee tsecsen ects sete Sec eee ee eee 69 
ORYtElUS ©? oe ctionscelsuces <see oa ne eae ee eee eee 77 
DLISUMUS casement a see eee aera 77 
PRAETIN Ss Frew ecic tees necane vc iaese seek eshee cm eeee ese 49 
paleomelas (Nebria) - V7 
Bara narita eee. se eee eee eee ee neo eee 84 
VOSUUtE ie erases ee sles comeclan eee eee eee S4 
Met Ryall bee naa atte arr ae Sapa AANA O OE o 94 
PATMUS 2 222i teenie cess ee eee ee a eee EEE See, 94 
Parolamia - =- 105 
TUCIS Hace cect-cmest sc seme atee see staee ooes a ene te 106 
Pabesce ng (AI eeTINIS) reper eet sascha eyes sey eee 104 
patriarchicus:(heistotrophus) .--- os... scere sect senoe. 51 
PaUrODUS Seer me seis cin semanas eicialsre jemi ee eee eee 19 
excavatus 19 
gelatus. 19 
Pediacus. -. $2 
GEPTESSUS IE act.) oeare,2,cieia asi iele ces oe Aeece eae oe 82 
MWR ES boo acadasen seers onaaansaaicuserTesce 83 
periclitans $2 
periclitans (Pediacus) .... - 82 
(PDA BUS see ee esa 104 
AN GOUUS taser ee 104 
Phenolia 88 
Rut 9 Peo ahp nA Gocoee sere quip aan assaeaenaa sae BA 88 
Bhilhy drusecee sce. eee ecr eee eas se aie eeeeeem eee 42 
primevyus 42 
A) Ure pehnabiassaponocunp somo cases te scod sAoNoOS 42 
Philonthus 53 
ADRVUSE see ccenitose eieeisiy a scines sensei ace eee eee 57 
SETI CUS sa setatey svaloystata (a ataceatraiatetetele ets este ee aa eee erate 56 
CO GialhstSobbicroneeGnecneeeeeane ib esdcdneeasuasoensaD DA 
godmani ae 56 
NOrmijeasecee ss ascmoeeesee sete aa 56 
INV ClA GUS 222 eae nn sno chien ce ceRniae oeiecenis se 5d 
marcidulus 54 
tachiniformis . 56, 57 
iceas(Galercell Al) eae cis. ec est it eee ceases ee ee 111 
PAM ACOMEra 30 ref erecie conse Be eerie ce cree se eemineen ee 31 
aC ys Saja ee raters arose ct erelarsteitee ls « ciera sonra cae Jam seiseioee 29 
caesus 30 
casus .. 29 
desuetus 29 
Cilapidatus a5 ais closets ces ele vicle visa v mictatsiciareetaiste sictetare 30 
Gissipatus: 222. Ss... NAO Re oor ACS sci ee ence 29 
halli 29 
harttii 30 
hindei . 29 
senex 29 
sinuatus 30 
VADlATeCUSss cc cicepnsestcslolendietescieicles soins n aes 30 


INDEX. 
Page. 
Platystethustes secs cee ace nasccistetasioose cose gh cco ace 754 PSAXI Sena (BUpPLeSbis) ii ceacemme eae cca selec seeccocse 
AIM CTICAMUS eee ss aaa eerie eee e eee tone sieceeceeee 75 |. Saxinis 
ARGUE LY DUS tame yaienseitanalaateceiectecic cise cae see ie 76 regularis 
GATCAT CUS ee eianiatec seine ciate aia case at aticmasece aa (Zoi Cap LOLET US tenet eee eae ce ee eee eee eee 
PIO CHTOMUS Beets errata senate Sse se clos See cutscene oe 31 | Scarabzeidze 5 
3, HEXEN D RS oo cee SS erode Snasarorescoss eregaaaaoncds S19) eScOttlin@hithoch aris) ecssmceer reese saacee eee eee 
GLTMOLL CL US teeserstetns casas ieee teem ioe Aenea eee 31 | sculptilis (Tropisternus) 
POM PALICAN(DONRCIA) eee eme mics emise= sees cise wcinee seat ce 108 | sectile (Laasbium) 
POWELL (Aum ara) eceee cee sic ot toc Sa csclecccdoccceee 264 |esenexe (PLAtynus) ee essmcee ee eeeeiaciaesetieiacemne 
PLecursonitCAPUOCIUS )Beseee tea e ee sens coc e es aeeoe se 105 | sepulta (Buprestis) 
UUM Sy USP Vans) ee aee cece sec cee sacs eee = 42) |) Serricornliay sc. o~-02s2sclos cee asecseeie stseee ceca sees 
primipeninus: (Tenebrio) =: a-<-5 =e est esse eee 114 | serus (Nomaretus) 
PrimMtianvmn( leds) wes eee eae eee eee eee Gaerne 73)\|psextriatus" ((BErosus)eeje-s seen seater eee eeeaee 
DIUMOUCUS (ALVILCS) ha co. sce eeeseieeeme se ecceee ee oe 45 SSilpha 72s saeco str leeicss site soe cca seer 
prions (Nit Gulal) eenmsca-ea seer eee oeee ee ccanan aie 87 Cay 5 05h So spc shecrioseeboacescnoceecadean 
PIMscus/(Antherophaeus)ee-s-aee se sees ee asses. sae 85) Poll phi des ace eee timcecace ce een ne as ae ery eee crete 
pristinus; (Chanliognathus) oes. cces. ose e te = eee, LOWS ESitodrenimeseee sere eee ree eee ease eee 
(Oxy tehis) |S oo sen soem cca seen ante ceeaea cs celeste 77 defunctalsses po orcnie see se ecen eee ese 
PLOMCLOPIAS eect em coe sce nonce ase cane secss sec ees 88 | soli (Bledius)..... 
LG DILIS tote tae eatatetetapatate ae state eta eere ee cree =| ce arene 88)||ssommatus (Tachinus)!*2..-----ecscee eee 
protogzeum (Oryctoscirtetes) .........-..-.-..-....--2- 111 | sopitus (Attagenus) 
Peephenis meme seee tes noe ae seen ie tac eee season O45 Spermophaguser ca. ccseseeeneeace eee 
lecontels sense Sica sae aceseiststtececarme cho stae 94 YAR AUC ND Comes Aaadboodoptonds 
PUbULen tuishereence nc tetas aoe eic ene nse ee oe Gane Staphiylinid seesercce aces teserat 
SLO DLCTA teary eeatisenciees cnc oe = see neces cession oes S7eStaphylinitesunececeeeeaeeeeee cee 
PrerostlChiniwenea seem ae seasemeuice soe eeeemcecmne tee 20, 27 fobsoletumis semearanictiseetieectier 
(PterostiChUsi rc seasesce a= Senjetrer- ecclesia ce crecicilsre CHT | FSA aN ABMS sect od sooSsencodsccs 
RDN OR SUIS erratatstatai farm slaataietelatotels clays eseeia Some name soe 22 cinnamoptexUsi=.----.-- = 
(COLAGINUS i memetsseet et eeem nes sehen aeeranta arate eens 23 lesleyaryssecrece saceme cette 
(ICP CRA AanpeRser onan Acie anboepapoEaeesoaresace 22 SP sie cadles vest seeeneeseeeclecile 
LOS GRU CUS terre etstatel aye testator atc oe oe ee Od Vetulusi: eect ee seeeeeeceeee 
GORMAN Sica eee ste citasae ese se eer eres 22 VUlpINUSss see seer eee eee 
TREXO NTS ede tas S0sb oan eee CO Mae es aarseeose eas 22 Stenolophusre. se. e-eeace ease 
PB CLIGUSE asamp se net ee aics cl eescismine ees nas face e ae 22 OCHTOPEZUS fee esses sae ee 
Mee Vi SAL CUS Mert sivtare mieten Setetan octet tacos ren oe ees 23 Weligatuas se see sonccch omens 
pumpellyi 23 | Stenus prodromus 
: 23 | sterilis (Amara) -. 
walcotti ...... 23 | stillicidii (Arpedium)...... 
Ptinide LOQwestinial(DOnACia)eeeceeeeeeeeeeens 
Muni pelliya (eterostichus)*=-es--e- keene es see eee 23 | stiriacus (Oxyporus)...........-. 
punctatus (Cryptocephalites) pan) LOOM Sstinicidil(Geodromicns)[eeacs- sameet-eeeneeesssees 
punctulatus (Chleenius).............-.....--- $3 83) || Stygis (Boletobius) 72722 eee ce ciee cs aeie Beas 
(Gistelites)) Aci s-2222cnj-. ole Soese eas seb acne 6 TGS eho ACH ONO CNEN GasccoscuepscapoSAoRBenascocoseoy 
QUedIUS Raven tena e saces eaeck st oes eoce cee as ZEA Se aN boneasese clus oaccompacaqucodsdsnonsscuotes 
POLE Wellneee ses ans e ys Seep sercischisys Secs a 49 fim DIACUS ese eseecne ses eee perce eee nee 
Chamberlin itasen soe sase msi oa eecs ee 49 TOPANGA US| esc -cicse ccc sess seis noes = 
rathbuni (Agabus) 37 SOM MALS ae aae ets peems pete ele ists ee reese eee ae 
recisa (Homalota) 47 TACHI POOL CES Pereete cts else seetse et eee 
regularis (Saxinis) TOS Da ChiypOMUS ssc eee erates eee eet 
relictus (Hydrechus) Boece eie ale cate eiala ese eiee 38 J OCOSUS See ese a aceeecce Cente eet ane eeere 
religatus (Stenolophus) ...-....---.-1------ 35 LOWE oY) NE) CR aemo amon AABRBAd cms ADonsodenseres 
TEPLESSUSHCBIAGHYMUS)lsn sq idee ones ome se Bie] Heeb On AMW hee ornate eecconskenancedeceaa 
restructus (Carpophagus) .:..........-...---- Son tartareus) (blatynus))cossecc cae seco celae tere 
rezocata (AMAT) 22s - ons an2 2 eciee cise aa 25) |) Telephorusigermari=. -2--- -=)a--)- ee c= 22222 eee s 
hipmphoridwertas oc Me se. secs sc eee cence 117 tenebrarius (Xantholinus)............... 
RID PED MOLUS eee ee eaten re oleate ae stro epatate aicin= erate 117 | tenebricus (Evarthrus) ..........-..-....--- 
fae S12 he ake aEet ESCA OSSSoS SECRET SBeS 117, |e Menebrioseres-- =< e 
TIP ALUSi ae DEvCLINUS) fae tee ata tatel staat ater atclrets ates 59 ealculensis 
MIS elAChuUsHiMirAS) see ceme teen oc cee eee 20 [Nerney eNOS Come Aceoosbobeqsbedess ro 
rigescens (Helophorus)....-.........-- 38 | Lenebrionidaereasescenes: eee eee 
romingeri (Byrrhus) ae 93 | tenuis (Berosus) .. 
rudis (Parolamia) 106 | terrestris (Cryptohypnus). . 
UL) GEM (CARO TN) ete eeteretatata stele fereyeiciaicisistels a ciereeiei= = 104.) ‘terrigena:(Cercyon)) --...-.----2---.---6- 
Saxdalis; ((MrOpiIsternuUs) = ceme sea. ce ee secese one: a8 39) tertiaria) (Buprestis))— ><... -cc-ee--0- = er 
Sax colan (Gyrop heen A) seems aero sectarelsietetaie eiere-nicereieiae seis 47 | testeus (Neothanes) 


101 
58 


114 
115 
14 
114 
42 
96 
44 
99 
14 


eceni 
picipenni 
tritavum (Nosodendron ) 
Trogosita 
INSIQNIS: Ao2o2 ssc se osc os aee cece e oa me saeee aoe 
Trogositidce é 
ARTODISTE NUS ye ern aac et tae Sain etsinle eee eee 
limitatus: 262 cocececcs esac ecee sa ndeie see ecisece = 
saxiali 
sculptilis. 
striolatus 22 
MANUS: Pecos ise sess eas tae Sec cateaienc aime aes 
PTOX es aseas 
oustaleti 
tumulorum (Bembidium) 
ulkei (Chilocorus) 
umbrarum (Myas) 


INDEX. 


Page. 
VATLUSi(HETOPISLEDIUS Wars se ctoierisieiee erere eis ee eee ere 39 
velatus (Corymbites) -- 2 96 
l) wwesperalisi(Ghnysomelay)iive sce eect erect 110 
vespertinus((NOSOLCtOCUS) |= mc) sce me eee <= stelle clams 90 
Vestita:(Parandrita ie. eens + eee nee ee eee 84 
veterata (Amare). centee ane ceae tice cete a see eee 26 
vetulus (Staphylinus) 52 
vetustus (Cryptocephalus) 109 
vivificatus (Spermophagus) 113 
walcotti (Pterostichus) 23 
wetteravicus (Helops) .-- 115 
wheatleyi (Cychrus)...-- 13 
whitfieldii (Harpalus) ...........-.. icine yes os ataeeie cee 35 
Xantholini 


MAMGHOMMNUSE seer ee aa cee eshte ear 
EMTLIMOSUIS cyclers aralarst= =-tacretete  eyeetata 58 
MUCISE sae 58 
TENeCDIANUSee ec eae kee essere see eee oenee cob 58 


ADVE ERE ES eeVEENae, 


[Monograph XL. | 


The statute approvea March 3, 1879, establishing the United States Geological Survey, contains 
the following provisions: 

“The publications of the Geological Survey shall consist of the annual report of operations, geo- 
logical and economic maps illustrating the resonrees and classification of the lands, and reports upon 
general and economic geology and paleontology. The annual report of operations of the Geological 
Survey shall accompany the annual report of the Secretary of the Interior. All special memoirs and 
reports of said Survey shall be issued in uniform quarto series if deemed necessary by the Director, but 
otherwise in ordinary octavos. Three thousand copies of each shall be published for scientific exchanges 
and for sale at the price of publication; and all literary and cartographic materials received in exchange 
shall be the property of the United States and form a part of the library of the organization: And the 
money resulting from the sale of such publications shall be covered into the Treasury of the United 
States.” 

Except in those cases in which an extra number of any special memoir or report has been sup- 
plied to the Survey by special resolution of Congress or has been ordered by the Secretary of the 
Interior, this office has no copies tor gratuitous distribution. 


ANNUAL REPORTS. 


I. First Annual Report of the United States Geological Survey, by Clarence King. 1880. 8°. 79 
pp. 1map.—A preliminary report describing plan of organization and publications. 

II. Second Annual Report of the United States Geological Survey, 1880-’81, by J. W. Powell. 
1882. 8°. lv,588 pp. 62 pl. 1 map. 

Ill. Third Annual Report of the United States Geological Survey, 188182, by J. W. Powell. 
1883. 8°. xviii, 564 pp. 67 pl. and maps. 

IV. Fourth Annual Report of the United States Geological Survey, 1882—’83, by J. W. Powell. 
1884. 8°... xxxii,473 pp. 85 pl. and maps. 

V. Fifth Annual Report of the United States Geological Survey, 1883-’84, by J. W. Powell. 
1885. 8°. xxxvi,469 pp. 58 pl. and maps. 

VI. Sixth Annual Report of the United States Geological Survey, 1884~85, by J. W. Powell. 
1885. 8°. xxix, 570 pp. 65 pl. and maps. 

VII. Seventh Annual Report of the United States Geological Survey, 188586, by J. W. Powell. 
1888. 8°. xx, 656 pp. 71 pl. and maps. 

VIII. Eighth Annual Report of the United States Geological Survey, 1886-87, by J. W. Powell. 
1889. 8°. 2pt. xix, 474, xii pp., 538 pl. and maps; 1 prel. leaf, 475-1063 pp., 54-76 pl. and maps. 

IX. Ninth Annual Report of the United States Geological Survey, 188788, by J. W. Powell. 
1889. 8°. xiii, 717 pp. 88 pl. and maps. 

X. Tenth Annual Report of the United States Geological Survey, 1888-89, by J. W. Powell. 
1890. 8°. 2pt. xv, 774 pp., 98 pl. and maps; viii, 123 pp. 

XI. Eleventh Annual Report of the United States Geological Survey, 1889-90, by J. W. Powell. 
1891. 8°. 2 pt. xv, 757 pp., 66 pl. and maps; ix, 351 pp., 30 pl. and maps. 

XI. Twelfth Annual Report of the United States Geological Survey, 1890-91, by J. W. Powell. 
1891. 8°. 2 pt., xiii, 675 pp., 53 pl. and maps; xviii, 576 pp., 146 pl. and maps. 

XIII. Thirteenth Annual Report of the United States Geological Survey, 1891-92, by J. W. 
Powell. 1893. 8°. 3 pt. vii, 240 pp., 2 maps; x, 372 pp., 105 pl. and maps; xi, 486 pp., 77 pl. and 
maps. 

: XIV. Fourteenth Annual Report of the United States Geological Survey, 1892-’93, by J. W. 
Powell. 1893. 8°. 2pt. vi, 321 pp., 1 pl.; xx, 597 pp., 74 pl. and maps. 

XV. Fifteenth Annual Report of the United States Geological Survey, 1893-94, by J. W. Powell. 
1895. 8°. xiv, 755 pp., 48 pl. and maps. 

XVI. Sixteenth Annual Report of the United States Geological Survey, 1894-95, Charles D. 
Walcott, Director. 1895. (Part I, 1896.) 8°. 4 pt. xxii, 910 pp., 117 pl. and maps; xix, 598 pp., 43 
pl. and maps; xv, 646 pp-., 23 pl.; xix, 735 pp., 6 pl. 

XVII. Seventeenth Annual Report of the United States Geological Survey, 1895-96, Charles 
D. Walcott, Director. 1896. 8°. 3 pt.in4 vol. xxii, 1076 pp., 67 pl. and maps; xxv, 864 pp., 113 pl. 
and maps; xxiii, 542 pp., 8 pl. and maps; ili, 543-1058 pp., 9-15 pl. 

XVIII. Eighteenth Annual Report of the United States Geological Survey, 1896-97, Charles D. 
Walcott, Director. 1897. (Parts II and IIf, 1898.) 8°. 5 pt.in6vol. 1-440 pp.,4 pl. and maps; i-v, 


Il ADVERTISEMENT. 


1-653 pp., 105 pl. and maps; i-v, 1-861 pp., 118 pl. and maps; i-x, 1-756 pp., 102 pl. and maps; i-xii, 
1-642 pp., 1 pl.; 643-1400 pp. 

XIX. Nineteenth Annual Report of the United States Geological Survey, 1897~98, Charles D. 
Walcott, Director. 1898. (Parts II, Ill, and V, 1899.) 8°. 6pt.in 7 vol. 422 pp., 2 maps; v, 95% 
pp., 172 pl. and maps; v, 785 pp., 99 pl. and maps; viii, 814 pp., 118 pl. and maps; xvii, 400 pp., 110 
pl. and maps; viii, 651 pp,, 11 pl.; viii, 706 pp. 

XX. Twentieth Annual Report of the United States Geological Survey, 1898-99, Charles D. 
Walcott, Director. 1899. (Parts II, III, IV, V, and VII, 1900.) 8°. 7 pt.in8vol. 551 pp., 2 maps; 
v, 953 pp., 193 pl. and maps; v, 595 pp., 78 pl. and maps; vii, 660 pp., 75 pl. and maps; xix, 498 pp., 
159 pl. and maps; viii, 616 pp.; xi, 804 pp., 1 pl.; v, 509 pp., 38 pl. and maps, 


MONOGRAPHS. 


I. Lake Bonneville, by Grove Karl Gilbert. 1890, 4°, xx,438 pp. 51pl. lmap. Price $1.50. 

Il. Tertiary History ofthe Grand Canon District, with Atlas, by Clarence E. Dutton, Capt., U.S. A. 
1882. 4°. xiv,264 pp. 42 pl. and atlas of 24 sheets folio. Price $10.00. 

III. Geology of the Comstock Lode and the Washoe District, with Atlas, by George F. Becker. 
1882. 4°. xv,422 pp. 7 pl. and atlas of 21 sheets folio. Price $11.00. 

1V. Comstock Mining and Miners, by Eliot Lord. 1883. 4°. xiv, 451 pp. 3 pl. Price $1.50. 

The Copper-Bearing Rocks of Lake Superior, by Roland Duer Irving. 1883. 4°. xvi, 464 

pp. 151. 29pl. and maps. Price $1.85. 

VI. Contributions to the Knowledge of the Older Mesozoic Flora of Virginia, by William Morris 
Fontaine. 1883. 4°. xi, 144 pp. 541. 54 pl. Price $1.05. 

VII. Silver-Lead Deposits of Eureka, Nevada, by Joseph Story Curtis. 1884. 4°. xiii, 200 pp. 
16 pl. Price $1.20. 

VII. Paleontology of the Eureka District, by Charles Doolittle Walcott. 1884. 4°. xiii, 298 
pp. 241. 24pl. Price $1.10. 

IX. Brachiopoda and Lamellibranchiata of the Raritan Clays and Greensand Marls of New 
Jersey, by Robert P. Whitfield. 1885. 4°. xx,338 pp. 35 pl. lmap. Price $1.15. 

X. Dinocerata. A Monograph of an Extinet Order of Gigantic Mammals, by Othniel Charles 
Marsh. 1886. 4°. xviii, 243 pp. 561. S56 pl. Price $2.70. 

XI. Geological History of Lake Lahontan, a Quaternary Lake of Northwestern Nevada, by 
Israel Cook Russell. 1885. 4°. xiv, 288 pp. 46 pl. and maps. Price $1.75. 

XII. Geology and Mining Industry of Leadville, Colorado, with Atlas, by Samuel Franklin 
Emmons. 1886. 4°. xxix, 770. pp. 45 pl. and atlas of 35 sheets folio. Price $8.40. 

XIII. Geology of the Quicksilver Deposits of the Pacific Slope, with Atlas, by George F. Becker. 
1888. 4°. xix, 486 pp. 7 pl. and atlas of 14 sheets folio. Price $2.00. 

XIV. Fossil Fishes and Fossil Plants of the Triassic Rocks of New Jersey and the Connecticut 
Valley, by John 8S. Newberry. 1888. 4°. xiv, 152 pp. 26 pl. Price $1.00. 

XV. The Potomac or Younger Mesozoic Flora, by William Morris Fontaine. 1889. 4°, xiv, 
377 pp. 180 pl. Text and plates bound separately. Price $2.50. 

XVI. The Paleozoic Fishes of North America, by John Strong Newberry. 1889. 4°. 340 pp. 
53 pl. Price $1.00. 

XVII. The Flora of the Dakota Group, a Posthumous Work, by Leo Lesquereux. Edited by 
F. H. Knowlton. 1891. 4°. 400 pp. 66 pl. Price $1.10. 

XVIII. Gasteropoda and Cephalopoda of the Raritan Clays and Greensand Marls of New Jersey, 
by Robert P. Whitfield. 1891. 4°. 402 pp. 50 pl. Price $1.00. 

XIX. The Penokee Iron-Bearing Series of Northern Wisconsin and Michigan, by Roland D. 
devin grand R. Van Hise. 1892. 4°, xix,534 pp. Price $1.70. 

XX. Geology of the Eureka District, Nev ada, with an Atlas, by Arnold Hagne. 1892. 4°. xvii, 
419 pp. &pl. Price DF 

XXI1. The Tertiary Rhy nchophorous Coleoptera of the United States, by Samuel Hubbard Send- 
der. 1893. 4°, xi, 206 pp. 12 pl. Price 90 cents. 

XXII. A Manual of Topographic Methods, by Henry Gannett, Chief Topographer. 1893, 4°. 
xiv, 300 pp. 18 pl. Price $1.00. 

XXIII. Geology of the Green Mountains in Massachusetts, by Raphael Pumpelly, T. Nelson Dale, 
and J. E. Wolff. 1894. 4°. xiv, 206pp. 23 pl. Price $1.30. 

XXIV. Mollusea and Crustacta of the Miocene Formations of New Jersey, by Robert Parr Whit- 
field. 1894. 4°. 193 pp. 24 pl. Price 90 ceuts. 

XXV. The Glacial Lake Agassiz, by Warren Upham. 1895. 4°. xxiv, 658 pp. 38 pl. Price $1.70. 

XXVI. Flora of the Amboy Clays, by John Strong Newberry; a P.sthumous Work, edited by 
Arthur Hollick. 1895. 4°. 260 pp. 58 pl. Price $1.00. 

XXVIL. Geology of the Denver Basin in Colorado, by Samuel Franklin Emmons, Whitman Cross, 
and George Homans Eldridge, 1896, 4°. 556 pp. 31 pl. Price $1.50. 

XXVIIL. The Marquette [von-Bearing District of Michigan, with Atlas, by C. R. Van Hise and 
W.S. Bayley, including a Chapter on the Republic Trough, by H. L. Smyth. 1895. 4°. 608 pp. 35 
pl. and atlas of 39 sheets folio. Price $5.75. 

XXIX. Geology of Old Hampshire County, Massachusetts, comprising Franklin, Hampshire, and 
Hampden Counties, by Benjamin Kendall Emerson. 1898. 4°. xxi, 790 pp. 35 pl. Price $1.90. 

XXX. Fossil Medusiv, by Charles Doolittle Walcott. 1898. 4°. ix,20lpp. 47pl. Price $1.50. 

XXXI. Geology of the Aspen Mining District, Colorado, with Atlas, by Josiah Edward Spurr, 
ISOS. 4°. xxxv, 260 pp, 43 pl. and atlas of 30 sheets folio. Price $3.60. 


ADVERTISEMENT. Ill 


XXXII. Geotugy of the Yellowstone National Park, Part II, Descriptive Geology, Petrography, 
and Paleontology. by Arnold Hague, J. P. Iddings, W. Harvey Weed, Charles D. Walcott, G. H. Girty, 
T. W. Stanton, and F. H. Knowlton. 1899. 4°. xvii, 893 pp. 121 pl. Price $2.45. 

XXXIII. Geology of the Narragansett Basin, by N.S. Shaler, J. B Woodworth, and August F. 
Foerste. 1899. 4°. xx,402pp. 31 pl. Price $1. 

XXXIV. The Glacial Gravels of Maine and their Associated Deposits, by George H. Stone. 1899. 
4° xiii, 499 pp. 52 pl. Price $1.30. 

XXXV. The Later Extinct Floras of North America, by John Strong Newberry; edited by 
Arthur Hollick. 1898. 4°. xviii, 295 pp. 68 pl. Price $1.25. 

XXXVI. The Crystal Falls Iron-Bearing District of Michigan, by J. Morgan Clements and 
Henry Lloyd Smyth; with aChapter on the Sturgeon River Tongue, by William Shirley Bayley, and an 
introduction by Charles Richard Van Hise. 1899. 4°. xxxvi,512 pp. 53 pl. Price $2. 

XXXVII. Fossil flora of the Lower Coal Measures of Missouri, by David White. 1899. 4°. 
xi, 467 pp. 73 pl. Price $1.25. 

XXXVI. The Illinois Glacial Lobe, by Frank Leverett. 1899. 4°. xxi, 817 pp. 24 pl. 
Price $1.60. 

XXXIX. The Eocene and Lower Oligocene Coral Faunas of the United States, with Descriptions 
of a Few Doubtfully Cretaceous Species, by T.Wayland Vaughan. 1900. 4°. 263 pp. 24 pl. Price $1.10. 

XL. Adephagons and Clavicorn Coleoptera from the ‘Tertiary Deposits at Florissant, Colo- 
rado, with Descriptions of a Few Other Forms and a Systematic List of the Non-Rhyncophorous 
Tertiary Coleoptera of North America, by Samuel Hubbard Scudder, 1900, 4°. 148 pp. 11 pl. 
Price 80 cents 
In preparation: 

—Flora of the Laramie and Allied Formations, by Frank Hall Knowlton. 


BULLETINS. 


1. On Hypersthene-Andesite and on Triclinie Pyroxene in Augitie Rocks, by Whitman Cross, 
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2. Gold and Silver Conversion Tables, giving the Coining Values of Troy Ounces of Fine Metal, 
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3. On the Fossil Faunas of the Upper Devonian, along the Meridian of 76° 30’, from Tompkins 
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4. On Mesozoie Fossils, by Charles A. White. 1884. 8°. 36 pp. 9 pl. Price 5 cents. 

5. A Dictionary of Altitudes in the United States, compiled by Henry Gannett. 1884. 8°. 325 
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6. Elevations in the Dominion of Canada, by J. W.Spencer. 1884. 8°. 43 pp. Price 5 cents. 

7. Mapoteca Geologica Americana. A Catalogue of Geological Maps of America (North and 
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8. On Secondary Enlargements of Mineral Fragments in Certain Rocks, by R. D. Irving and 
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9. A Report of Work done in the Washington Laboratory during the Fiscal Year 1883~84. I’. W. 
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10. On the Cambrian Faunas of North America. Preliminary Studies, by Charles Doolittle 
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11. On the Quaternary and Recent Mollusca of the Great Basin; with Description of New 
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12. A Crystallographic Study of the Thinolite of Lake Lahontan, by Edward S$. Dana, 1884. 8°. 
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13. Boundaries of the United States and of the Several States and Territories, with a Historical 
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14. The Klectrical and Magnetic Properties of the Tron-Carburets, by Carl Barus and Vincent 
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15. On the Mesozoic and Cenozoic Paleontology of California, by Charles A. White, 1885. 8°. 
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16. On the Higher Devonian Faunas of Ontario County, New York, by John M. Clarke. 1885, 8°. 
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17. On the Development of Crystallization in the Igneous Rocks of Washoe, Nevada, with Notes on 
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18. On Marine Eocene, Fresh-Water Miocene, and other Fossil Mollusca of Western North 
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19. Notes on the Stratigraphy of California, by George F. Becker. 1885. 8-. 28pp. Priced cents. 

20. Contributions to the Mineralogy of the Rocky Mountains, by Whitman Cross and W. F. Hille- 
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21. The Lignites of the Great Sioux Reservation; a Report on the Region between the Grand 
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22. On New Cretaceous Fossils from California, by Charles A. White. 1885, 8°. 25 pp. 5 pl. 
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23. Observations on the Junction between the Eastern Sandstone and the Keweenaw Series on 
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24, Listof Marine Mollusea, comprising the Quaternary Fossils and Recent Forms from American 
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25. The Present Technical Condition of ‘the Steel Industry of the United States, by Phineas 
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27. Report of Work done in the Division of Chemistry and Physics, mainly during the Fiseal Year 
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28. The Gabbros and Associated Hornblende Rocks occurring in the Neighborhood of Baltimore, 
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29, On the Fresh-Water Invertebrates of the North American Jurassic, by Charles A. White. 1886. 
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30, Second Contribution to the Studies on the Cambrian Faunas of North America, by Charles 
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31. Systematic Review of our Present Knowledge of Fossil Insects, including Myriapods and 
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32, Lists and Analyses of the Mineral Springs of the United States; a Preliminary Study, by 
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33. Notes on the Geology of Northern California, by J.S. Diller. 1886. 8°. 23 pp. Price 5 cents. 

34. On the Relation of the Laramie Molluscan Fauna to that of the Succeeding Fresh-Water Eocene 
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35. Physical Properties of the Iron-Carburets, by Carl Barus and Vincent Strouhal. 1886. 8°. 
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36. Subsidence of Fine Solid Particlesin Liquids, by Carl Barus. 1886. 8°. 58 pp. Price LOcents. 

37. Types of the Laramie Flora, by Lester F. Ward. 1887. 8°. 354 pp. 57 pl. Price 25 cents. 

38. Peridotiteof Elliott County, Kentucky, by J.S. Diller. 1887. 8°. 3lpp. Lpl. PricedScents. 

39. The Upper Beaches and Deltas of the Glacial Lake Agassiz, by Warren Upham. 1887. 8°. 
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40, Changes in River Courses in Washington Territory due to Glaciation, by Bailey Willis. 1887. 
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41. On the Fossil faunas of the Upper Devonian—the Genesee Section, New York, by Henry 8. 
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42. Reportof Work done im the Division of Chemistry and Physies, mainly during the Fiscal Year 
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43. Tertiary and Cretaceous Strata of the Tuscaloosa, Tombigbee, and Alabama Rivers, by Engene 
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44. Bibliography of North American Geology for 1886, by Nelson H. Darton. 1887. 8°. 35 pp. 
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45. The Present Condition of Knowledge of the Geology of Texas. by Robert T. Hill. 1887. 8°. 
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{6. Nature and Origin of Deposits of Phosphate of Lime, by R. A. F. Penrose, jr., with an Intro- 
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17. Analyses of Waters of the Yellowstone National Park, with an Account of the Methods of 
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48, On the Form and Position of the Sea Level, by Robert Simpson Woodward. 1888. 8°. 88 
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19, Latitudes and Longitudes of Certain Points in Missouri, Kansas, and New Mexico, by Robert 
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50. Formulas and Tables to Facilitate the Construction and Use of Maps, by Robert Simpson 
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51. On Invertebrate Fossils from the Pacifie Coast, by Charles Abiathar White. 1889. 8°. 102 
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52. Subaérial Deeay of Rocks and Origin of the Red Color of Certam Formations, by Israel 
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53. The Geology of Nantucket, by Nathaniel Southgate Shaler, L889, 8°. 55 pp. 10 pl. Price 
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D4. On the Thermo-Electric Measurement of High Temperatures, by Carl Barus. 1889. 8°. 
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55. Report of Work done in the Division of Chemistry and Physies, mainly during the Fiscal 
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56. Fossil Wood and Lignite of the Potomac Formation, by Prank Tall Knowlton. 1889. 8°. 
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57. \ Geological Reconnoissance in Southwestern Kansas, by Robert Hay. 1890. 8°. 49 pp. 
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58. The Glacial Boundary in Western Pennsylvania, Ohio, Kentucky, Indiana, and Ilinois, by 
George Frederick Wright, with an Introduction by Thomas Chrowder Chamberlin, 890. 8°. 112 
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59. The Gabbros and Associated Rocks in Delaware, by Frederick D, Chester. 1890. 8°. 45 
pp. ipl. Price 10 cents. 


ADVERTISEMENT. Wy 


60. Report of Work done in the Division of Chemistry and Physies, mainly during the Fiscal 
Year 1887-’88. F. W. Clarke, Chief Chemist. 1890. 8°. 174 pp. Price 15 cents. 

61. Contributions to the Mineralogy of the Pacific Coast, by William Harlow Melville and Wal- 
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62. The Greenstone Schist Areas of the Menominee and Marquette Regions of Michigan, a 
Contribution to the Subject of Dynamic Metamorphism in Eruptive Rocks, by George Huntington 
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63. A Bibliography of Paleozoic Crustacea from 1698 to 1889, including a List of North Amer- 
ican Species and a Systematic Arrangement of Genera, by Anthony W. Vogdes. 1890. 8°. 177 pp. 
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64. A Report of Work done in the Division of Chemistry and Physics, mainly during the Fiscal 
Year 188889. FF. W. Clarke, Chief Chemist. 1890. 8°. 60 pp. Price 10 cents. 

65. Stratigraphy of the Bituminous Coal Field of Pennsylvania, Ohio, and West Virginia, by 
Israel C. White. 1891. 8°. 212 pp. 11 pl. Price 20 cents. 

66. On a Group of Voleanic Rocks from the Tewan Mountains, New Mexico, and on the Oceur- 
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cents. 

67. The Relations of the Traps of the Newark System in the New Jersey Region, by Nelson 
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68. Earthquakes in California in 1889, by James Edward Keeler. 1890. 8°. 25 pp. Price 5 
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69. A Classed and Annotated Biography of Fossil Insects, by Samuel Howard Scudder. 1890. 
8°. 101 pp. Price 15 cents. 

70. A Report on Astronomical Work of 1889 and 1890, by Robert Simpson Woodward. 1890. 8°. 
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71. Index to the Known Fossil Insects of the World, including Myriapods and Arachnids, by 
Samnel Hubbard Scudder. 1891. 8°. 744 pp. Price 50 cents. 

72. Altitudes between Lake Superior and the Rocky Mountains, by Warren Upham. 1891. 8°. 
229 pp. Price 20 centw. 

73. The Viscosity of Solids, by varl Barus. 1891. 8°. xii, 1389 pp. 6 pl. Price 15.cents. 

74. The Minerals of North Carolina, by Frederick Augustus Genth. 1891. 8°. 119 pp. Price 
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75. Record of North American Geology for 1887 to 1889, inclusive, by Nelson Horatio Darton, 
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76. A Dictionary of Altitudes in the United States (Second Edition), compiled by Henry Gannett, 
Chief Topographer. 1891. 8°. 393 pp. Price 25 cents. 

77. The Texan Permian and its Mesozoic Types of Fossils, by Charles A. White. 1891, 8°. 51 
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78. A Report of Work done in the Division of Chemistry and Physics, mainly during the Fiscal 
Year 1889-90. F. W. Clarke, Chief Chemist. 1891. 8°. 131 pp. Price 15 cents. 

79. A Late Voleanic Eruption in Northern California and its Peculiar Lava, by J. 8. Diller. 

80. Correlation Papers—Devonian and Carboniferous, by Henry Shaler Williams. 1891. 8°. 
279 pp. Price 20 cents. 

81. Correlation Papers—Cambrian, by Charles Doolittle Walcott. 1891. 8°. 547 pp. 3 pl. 
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82. Correlation Papers—Cretaceous, by Charles A. White. 1891. 8°. 273 pp. 3pl. Price 2 
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83. Correlation Papers—Eccene, by William Bullock Clark. 1891. 8°. 173 pp. 2pl. Price 
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84. Correlation Papers—Neocene, by W. H. Dall and G. D. Harris. 1892. 8°. 349 pp. 3 pl. 
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85. Correlation Papers—The Newark System, by Israel Cook Russell. 1892. 8°. 344 pp. 13 pl. 
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86. Correlation Papers—Archean and Algonkian, by C. R. Van Hise. 1892. 8+. 549 pp. 12 pl. 
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87. A Synopsis of American Fossil Brachiopoda, mecluding Bibliography and Synonymy, by 
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88. The Cretaceous Foraminifera of New Jersey, by Rufus Mather Bagg, Jr. 1898. 8°. 89 pp. 
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f 89. Some Lava Flows of the Western Slope of the Sierra Nevada, California, by F. Leslie 
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90. A Report of Work done in the Division of Chemistry and Physics, mainly during the Fiscal 
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91. Record of North American Geology for 1890, by Nelson Horatio Darton. 1891. 8°. 88 pp. 
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92. The Compressibility of Liquids, by Carl Barns. 1892. 8°. 96 pp. 29 pl. Price 10 cents. 

93. Some Insects of Special Interest from Florissant, Colorado, and Other Points in the Tertiaries 
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94. The Mechanism of Solid Viscosity, by Carl Barus. 1892. 8°. 138 pp. Price 15 cents. 

95. Earthquakes in California in 1890 and 1891, by Edward Singleton Holden. 1892. 8%. 31 pp. 
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96. The Volume Thermodynamics of Liquids, by Carl Barus, 1892. 8+. 100 pp. Price 10 cents. 


Va ADVERTISEMENT. 


97. The Mesozoic Echinodermata of the United States, by W.B. Clark. 1893. 8°. 207 pp. 50pl. 
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98. Flora of the Outlying Carboniferous Basins of Southwestern Missouri, by David White. 
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99. Record of North American Geology for 1891, by Nelson Horatio Darton. 1892. 8°. 73 pp. 
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100, Bibliography and Index of the Publications of the U. 8S. Geological Survey, 1879-1892, by 
Philip Creveling Warman, 1893. 8°. 495 pp. Price 25 cents. ; 

101. Insect Fauna of the Rhode Island Coal Field, by Samuel Hubbard Seudder. 1898. 8°, 
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102. A Catalogue and Bibliography of North American Mesozoic Invertebrata, by Cornelius 
Breckinridge Boyle. 1892. 8°. 315 pp. Price 25 cents. 

103. High Temperature Work in Igneous Fusion and Ebullition, chietly in Relation to Pressure, 
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104. Glaciation of the Yellowstone Valley north of the Park, by Walter Harvey Weed. 1893. 8°. 
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105. The Laramie and the Overlying Livingstone Formation in Montana, by Walter Harvey 
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106. The Colorado Formation and its Invertebrate Fauna, by T. W. Stanton. 1893. 8°, 288 
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107. The Trap Dikes of the Lake Champlain Region, by James Furman Kemp and Vernon 
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108. A Geological Reconnoissance in Central Washington, by Israel Cook Russell. 1893. 8°. 
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109. The Eruptive and Sedimentary Rocks on Pigeon Point, Minnesota, and their Contact 
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110. The Paleozoic Section in the Vicinity of Three Forks, Montana, by Albert Charles Peale. 
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111. Geology of the Big Stone Gap Coal Fields of Virginia and Kentucky, by Marius: R. Camp- 
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112. Earthquakes in California in 1892, by Charles D. Perrine. 1893. 8°. 57 pp. Price 10 cents. 

113. A Report of Work done in the Division of Chemistry during the Fiscal Years 1891~92 and 
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114. Earthquakes in California in 1893, by Charles D. Perrine. 1894. 8°. 23 pp. Price 5 cents. 

115. A Geographic Dictionary of Rhode Island, by Henry Gannett. 1894. 8°. 31 pp. Price 
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116. A Geographic Dictionary of Massachusetts, by Henry Gannett. 1894. 8°. 126 pp. Price 
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117. A Geographic Dictionary of Connecticut, by Henry Gannett. 1894. 8°. 67 pp. Price 10 
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118. A Geographic Dictionary of New Jersey, by Henry Gannett. 1894. 8°. 131 pp. Price 15 
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119. A Geological Reconnaissance in Northwest Wyoming, by George Homans Eldridge. 1894. 
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120. The Devonian System of Eastern Pennyslvania and New York, by Charles 8. Prosser. 1894. 
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121. A Bibliography of North American Paleontology, by Charles Rollin Keyes. 1894. 8°. 251 
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122. Results of Primary Triangulation, by Henry Gannett. 1894. 8°. 412 pp. 17 pl. Price 
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123. A Dictionary of Geographic Positions, by Henry Gannett. 1895. 8°. 183 pp. Lpl. Price 
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124. Revision of North American Fossil Cockroaches, by Samuel Hubbard Seudder. 1895. 8°. 
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125. The Constitution of the Silicates, by Frank Wigglesworth Clarke. 1895. 8°. 109 pp. 
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126. A Mineralogical Lexicon of Franklin, Hampshire, and Hampden counties, Massachusetts, 
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127. Catalogue and Index of Contributions to North American Geology, 1732-1891, by Nelson 
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128. The Bear River Formation and its Characteristic Fauna, by Charles A. White. 1895. &>. 
108 pp. 11 pl. Price 15 cents. 

129. Karthquakes in California in 1894, by Charles D. Perrine. 1895. 8°. 25 pp. Price 5 cents. 

130. Bibliography and Index of North American Geology, Paleontology, Petrology, and Miner- 
alogy for 1892 and 1893, by Fred Boughton Weeks. 1896. 8°. 210 pp. Price 20 cents. 

151. Report of Progress of the Division of Hydrography for the Calendar Years 1893 and 1894, 
by Frederick Haynes Newell, Topographer in Charge, 1895. 8°. 126 pp. Price 15 cents. 

132. The Disseminated Lead Ores of Southeastern Missouri, by Arthur Winslow, 1896. 8°. 
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133. Contributions to the Cretaceous Paleontology of the Pacific Coast: The Fauna of the 
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134. The Cambrian Rocks of Pennsylvania, by Charles Doolittle Walcott. 1896. 8°. 43 pp. 
15 pl. Price 5 cents. 


ADVERTISEMENT. VII 


135. Bibliography and Index of North American Geology, Paleontology, Petrology, and Miner- 
alogy for the Year 1894, by F. B. Weeks. 1896. 8°. 141 pp. Price 15 cents. 

136. Voleanic Rocks of South Mountain, Pennsylvania, by Florence Bascom. 1896. 8°. 124 pp. 
28 pl. Price 15 cents. 

137. The Geology of the Fort Riley Military Reservation and Vicinity, Kansas, by Robert Hay. 
1896. oe Teco pas pl. Price 5 cents. 7 

8. Artesian-Well Prospects in the Atlantic Coastal Plain Region, by \. H. Darton. 1896. 8° 
228 Rae “19 pl. Price 20 cents. 

139. Geology of the Castle Mountain Mining District, Montana, by W. H. Weed and L. V. Pirs- 
son. 1896. 8°. 164 pp. 17 pl. Price 15 cents. 

140. Report of Progress of the Division of Hydrography for the Calendar Year 1895, by Frederick 
Haynes Newell, Hydrographer in Charge. 1896. 8°. 356 pp. Price 25 cents. 

141, The Eocene Deposits of the Middle Atlantic Slope in Delaware, Maryland, and Virginia, 
by William Bullock Clark. 1896. 8°. 167 pp. 40 pl. Price 15 cents. 

: 142, A Brief Contribution to the Geology and Paleontology of Northwestern Louisiana, by 
T. Wayland Vaughan. 1896. 8°. 65 pp. 4 pl. Price 10 cents. 

143. A Bibliography of Clays and the Ceramic Arts, by John C. Branner. 1896. 8°. 114 pp. 
Price 15 cents. 

dd. Tl ue Moraines of the Missouri Coteau and their Attendant Deposits, by James Edward Todd. 
1896. 8°. T1pp. 21 pl. Price 10 cents. ; 

145. The Potomac Formation in Virginia, by W. M. Fontaine. 1896. 8°. M9 pp. 2pl. Price 
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146. Bibliography and Index of North American Geology, Paleontology, Petrology, and Miner- 
alogy for the Year 1895, by F. B. Weeks. 1896. 8°. 130 pp. Price 15 cents. 

147. Earthquakes in California in 1895, by Charles D. Perrine, Assistant Astronomer in Charge 
of Earthquake Observations at the Lick Observatory. 1896. 8°. 23 pp. Price 5 cents. 

148. Analyses of Rocks, with a Chapter on Analytical Methods, na oratone of the United States 
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149, Bibliography and Index ef North American Geology, Paleontology, Petrology, and Miner- 
alogy for the Year 1896, by Fred Boughton Weeks. 1897, 8°. 152 pp. Price 15 cents. 

150. The Educational Series of Rock Specimens collected and distributed by the United States 
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151. The Lower Cretaceous Grypheas of the Texas Region, by R. T. Hill and T. Wayland 
Vaughan. 1898. 8°. 139 pp. 25 pl. Price 15 cents. 

152. A Catalogue of the Cretaceous and Tertiary Plants of North America, by F. H. Knowlton. 
1898. 8°. 247 pp. Price 20 cents. 

153. A Bibliographic Index of North American Carboniferous Invertebrates, by Stuart Weller. 
1898. 8°. 653 pp. Price 35 cents. 

154. A Gazetteer of Kansas, by Henry Gannett. 1898. 8°. 246 pp. 6 pl. Price 20 cents. 

155. Earthquakes in California in 1896 and 1897, by Charles D. Perrine, Assistant Astronomer 
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156. Bibliography and Index of North American Geology, Paleontology, P: etrology, and Miner- 
alogy for the Year 1897, by Fred Boughton Weeks. 1898. 8°. 130 pp. Price 15 cents. 

157. The Gneisses, Gabbro- Schists, and Associated Rocks of Southeastern Minnesota, by Chris- 
topher Webber Hall. 1899, 8°. 160 pp. 27pl. Price 45 cents. 

158. The Moraines of Southeastern Sonth Dakota and their Attendant Deposits, by James Edward 
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159. The Geology of Eastern Berkshire County, Massachusetts, by B. kK. E merson. 1899. 8°. 
139 pp. 9pl. Price 20 cents. 

160. A Dictionary of Altitudes in the United States (Third Edition), compiled by Henry 
Gannett. 1899. 8°. 775 pp. Price 40 cents. 

161, Earthquakes in California in 1898, by Charles D. Perrine, Assistant Astronomer in Charge 
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162. Bibliography and Index of North American Geology, Paleontology, Petrology and Miner 
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163. Flora of the Montana Formation, by Frank Hall Knowlton. 1900. 8°. 118 pp. Price 15 
cents. © 

161. Reconnaissance in the Rio Grande Coal Fields of Texas, by Thomas Wayland Vaughan, 
including a report on Igneous Rocks from the San Carlos Coal Field, by E. C. E. Lord. 1900. 8°. 
100 pp. 11 pl. and maps. Price 20 cents. 

165. Contributions to the Geology of Maine, by Henry 8. Williams and Herbert E. Gregory. 
1900. 8°. 212 pp. 14pl. Price 25 cents. 

166. A Gazetteer of Utah, by Henry Gannett. 1900. 8°. 43 pp. 1map. Price 15 cents. 

167. Contributions to Chemistry and Mineralogy from the Laboratory of the United States 
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‘168. Analyses of Rocks, Laboratory of the United States Geological Survey, 1880 to 1899, 
tabulated by F. W. Clarke, C hief Chemist. 1900. 8°. 308 pp. Price 20 cents. 

169. Altitudes in Alaska, by Henry Gannett. 1900. 8°. 13 pp. Price 5 cents. 

170. Survey of the Boundary Line between Idaho and Montana trom the International Boundary 
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Vill ADVERTISEMENT. 


171. Boundaries of the United States and of the Several States and Territories, with an Outline 
of the History of all Important Changes of Territory (second edition), by Henry Gannett. 1900, 8. 
142 pp., 53 pl. Price 30 cents. 

172. Bibliography and Jndex of North American Geology, Paleontology, Petrology, and Miner- 
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173. Synopsis of ‘American Fossil Bryozoa, Including Bibliography and Synonymy, by Jol.n M. 
Nickles and Ray S. Bassler. 1900. 8 , 663 pp. Price 40 cents. 

174. Survey of the Northwestern Boundary of the United States, 1857-1861, by Marcus Baker. 
1900. 8°, 174 pp. 1 pl. Price 15 cents. 
In press: 

175. Triangulation and Spirit Leveling in Indian Territory, by C. H. Fitch. 

176. Some Principles and Methods of Rock Analysis, by W. I’, Hillebrand. 
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— Bibliography and Catalogue of the Fossil Vertebrata of North America, by Oliver Perry Hay. 


WATER-SUPPLY AND IRRIGATION PAPERS. 


By act of Congress approved June 11, 1896, the following provision was made: 

“Provided, That hereafter the reports of the Geolo ical Survey in relation to the gauging of 
streams and to the methods of utilizing the water resources may be prin‘ed in octavo form, not to 
exceed one hundred pa:es in length and five thousand copies in number; one thousand copies of which 
shall be for the official use of the Geological Survey, one thousand five hundred copies shall be deliv- 
ered to the Senate, and two thousand five hundred copies shall be delivered to the House of Repre- 
sentatives, for distribution.” 

Under this law the following papers have been issued : 

1. Pumping Water for Irrigation, by Herbert M. ‘ ilson. 1896. 8. 57 pp. 9 pl. 

2. Irrigation near Phenix, Arizona, by Arthur P. Davis. 1897. 8°. 97 pp. 31 pl. 

3. Sewage Irrigation, by George W. Rafter. 1897. 8°. 100 pp. 4 pl. 

4. A Reconnoissance in $ outheastern Washington, by Israel Cook Russell. 1897. 5°. 96 pp. 7] 

5. Irrigation Practice on the Great Plains, by Elias Branson Cowgill. 1897. 8°. 39 pp. 12 pl. 

ep Underground Waters of Southwestern Kansas, by Erasmus Haworth. 1897. 8°. 65 pp. 12y 

Seepage Waters of Northern Utah, by Samuel Fortier. 1897. 8°. 50 pp. 3pl. 
8 Windinills tor Irrigation, by Edw ‘ard Charles Murphy. 1897. 8°. 49 pp. 8 pl. 
9. Irrigation near Greeley, Color: ido, by David Boyd. 1897, 8°. {0 pp. 21 pl. 
10. Irrigation in Mesilla Valley, New Mexico, by F. C. Barker. 1898. 8°. S5lpp. 11 pl. 
11. River Heights for 1896, by Arthur P. Davis. i897. 8°. 100 pp. 
12. Underground Waters of Southeastern Nebraska, by N. HW. Darton. 1898. 8°. Sopp. 21 pl. 
13. Irrigation Systems in Texas, by William Ferguson Hutson, 1808. 8°. 67 pp. 10 pl. 
14. New Tests of Pumps and Water-Lifts used in Irrigation, by O. P. Hood. 1898. 8°. 91pp. Ipl. 
15. Operations at River Stations, 1897, Part I. 1898. 8-. 100 pp. 
16. Operations at River Stations, 1897, Part If. 1898. 8°. 101-200 pp. 
17. Irrigation near Bakersfield, California, by C. E. Grunsky. 1898. 8. 96 pp. 16 pl. 
18. Irrigation near Fresno, California, by C. Ek. Grunsky. 1898. 8°. 94pp. Lt pl. 
19. Irrigation near Merced, California, by C. h. Grunsky. 1899. 8°. 59 pp. 11 pl. 
20. Experiments with Windmills, by T. O. Perry. 1899. 8°. 97 pp. 12 pl. 
21. Wells of Northern Indiana, by Frank Leverett. 1899. 8°. 82 pp. 2pl. 
22, Sewage Irrigation, Part Il, by George W. Ratter. 1899. 8°. 100 pp. 7 pl. 
23. Water-Right Problems of Bighorn Mountains, by Elwood Mead, 1899. 8. 62 pp. 7 pl. 
24. Water Resources of the State of New York, Part I, by G. W. Rafter. 1899. 8°. {9pp. 13 pl. 
25. Water Resourees of the State of New York, Part II, by G.W. Rafter. 1899. 8°. 101-200 pp. 12 pl. 
26. Wells of Southern Indiana (Continnation of No. 21), by Frank Leverett. 1899. 8-. GOL pp. 
27. Operations at River Stations, 1898, Part I. 1899. 8°. 100 pp. 
28. Operations at River Stations, 1898, Part II]. 1899. 8°. 101-200 pp. 
29. Wells and Windmills in Nebraska, by Erwin H. Barbour, 1899. 8°. 85 pp. 27 pl. 
30. Water Resources of the Lower Peninsulaof Michigan, by Alfred C, Lane, 1899, 8°. 97 pp. Tpl. 
31. Lower Michigan Mineral Waters, by Alfred C. Lane. 1899, 8°. 97 pp. 4 pl. 
32. Water Resources of Puerto Rico, by Herbert M. Wilson. 1899. 8°. 48 pp. 17 pl. 
33. Storage of Water on Gila River, Arizona, by Joseph B. Lippincott. 1900. 8°. 9S pp. 33 pl. 
34 Geology and Water Resources of SE. South Dakota, by J. E.Todd, 1990. 8°. 34 pp. 19 pls. 
35. Operations at River Stations, 1899, Part I. 1900. 8°. 100 pp. 
36. Operations at River Stations, 1899, Part II. 1900. 8°. 101-198 pp. 
37. Operations at River Stations, 1899, Part III. 1900. 8°. 199-298 pp. 
38. Operations at River Stations, 1899, Part 1V. 1900. 8°. 299-396 pp. 
39, Operations at River Stations, 1899, Part V. 1900. 8». 3897-471 pp. 


ADVERTISEMENT. IX 


TOPOGRAPHIC MAP OF THE UNITED STATES. 


When, in 1882, the Geological Survey was directed by law to make a geologic map of the United 
States there was in existence no suitable topographic map to serve as a base for the geologic map. 
The preparation of such a topographic map was therefore immediately begun. Abouc one-fifth of the 
area of the country, excluding Alaska, has now been thus mapped. The map is published in atlas 
sheets, each sheet representing a small quadrangular district, as explained under the next head- 
ing. ‘The separate sheets are sold at 5 cents each when fewer than 100 copies are purchased, but when 
they are ordered in lots of 100 or more copies, Whether of the same sheet or of different sheets, the 
price is 2 cents each. The mapped areas are widely scattered, nearly every State being represented. 
About 900 sheets have been engraved and printed; they are tabulated by States in the Survey’s 
“List of Publications,’ a pamphlet which may be had on application. 

The map sheets represent a great variety of topographic features, aud with the aid of descriptive 
text they can be used to illustrate topographic forms. This has led to the projection of an educational 
series of topographic folios, for use wherever geography is taught in high schools, academies, and 
colleges. Of this series the first folio has been issued, viz: 

1. Physiographic types, by Henry Gannett, 1898, folio, consisting of the following sheets and 4 
pages of descriptive text: Fargo (N. Dak.-Minn.), a region in youth; Charleston (W.Va.),a region in 
maturity; Caldwell (Kans.), aregion in old age; Palmyra (Va.), a rejuvenated region; Mount Shasta, 
(Cal.), a youtig voleanic mountain; Eagle (Wis ), moraines; Sun Prairie (\Wis.), drumlins; Donaldson- 
ville(La.), river flood plains; Boothbay (Me.), afiord coast; Atlantic City (N.J.), a barrier-beach coast. 

2. Physiographie types, by Henry Gannett, 1900, folio, consisting of the following sheets and 11 
pages of descriptive text: Norfolk (Va.-N. C.), a coast swamp; Marshall (Mo.), a graded river; 
Lexington (Nebr.), an overloaded stream; Harrisburg (Pa.), Appalachian ridges; Poteau Mountain 
(Ark.-Ind. T.), Ozark ridges; Marshall (Ark.), Ozark Plateau; West Denver (Colo.), hogbacks; 
Mount Taylor (N. Mex.), voleanic peaks, plateaus, and necks; Cucamonga (Cal.), alluvial cones; 
Crater Lake special (Oreg.), a crater. 


GEOLOGIC ATLAS OF THE UNITED STATES. 


The Geologic Atlas of che United States is the final form of publication of the topographic and 
geologic maps. The atlas is issued in parts, progressively as the surveys are extended, and is designed 
ultimately to cover the entire country. 

Under the plan adopted the entire area of the country is divided into small rectangular districts 
(designated quadrangles), bounded by certain meridians and parallels. ‘The unit of survey is also the 
unit of publication, and the maps and deseriptions of each rectangular district are issued as a folio of 
the Geologic Atlas. 

Each folio contains topographic, geologic, economic, and structural maps, together with textual 
descriptions and explanations, and is designated by the name of a principal town or of a prominent 
natural feature within the district. 

Two forms of issue have been adopted, a ‘library edition” and a ‘field edition.” In both the 
sheets are bound between heavy paper covers, but the library copies are permanently bound, while 
the sheets and covers of the field copies are only temporarily wired together. 

Under the law a copy of each folio is sent to certain public libraries and educational institu- 
tions. ‘The remainder are sold at 25 cents each, except such as contain an unusual amount of matter, 
which are priced accordingly. Prepayment is obligatory. The folios ready for distribution are listed 
helow. 


a |e 
Area, in |Price, 


No. Name of sheet. | State. | Limiting meridians. Limiting parallels. square in 
| miles. |cents. 
1) ivineston 2s... ---e2-2--< =e] Montana........ 1109-1119 45°-46° 3, 354 25 
2 Ringgold -. =a (reete a \ 85°-85° 30! 34° 30/-35° 980 25 
3 Placerville. --.| California. .-----| 120° 30/-121° 38° 30/-39° 932 25 
4 Kingston... - ---| Tennessee ...-... 84° 30/-85° 35° 30/-36° | 969 25 
5 | Sacramento... --..- ---| California. 219-1219 30! E 932 25 
6 | Chattanooga....... ae ‘Tennessee -85° 30/ 975 25 
7 Pikes Peak (out of stock -| Colorado...-.... 105°-105° 30/ 932 25 
Sh ewan 66 Seer = cee cncer ai | Tennessee a 85° 30/-86° 975 25 
9  Anthracite-Crested Butte ....- | Colorado. 106° 45/-107° 15/ 465 50 
\( Virgini: 
LOM WH arpers MOrrys scene cee se {west Virgin 77° 30/-789 | 39°-39° 30° | 925 | 25 
Maryland. ...- 
Dire CS ON eeya eta sterstale eee | Calitornia.-...- 120° 30/-1210 | 38°-38° 30/ | 938 | 25 
Virginis | | 
2s MMStillvillerreeseeceesaceee eee eontaoty 829 30/-83° 36° 30/-37° | 957 25 
\ Pennessee | 
13 Arata 770-770 30! | 30! | 938) 25 
14 | 79°-79° 30! 30! | 938 | 25 
15 assent Pealk.-cesescemisncc-cccee Ca ifornia... 1219-1229 409-410 | 3, 634 25 
Gi eKnoxvillecee see oo cos TN a creer aes \ 83° 30/-849 35° 30/-36° 925 25 
7a eMarysvilleneeseeree sce sees e: | California....... 121° 30/1220 | 390-390 30/ | 925 25 


x ADVERTISEMENT. 


Area, in |Price 
No. Name of sheet. State. | Limiting meridians. | Limiting parallels. square | in : 
| miles. cents, 
| 
NS Smarts yvallen sseeecs cee ere California. | 1219-121 30! 39°-39° 30! 925, 25 
| eeu \ P| 
19) WeStewensonrere s-cs eeseeeen ae eee la | 85° 30/-86° 34° 30/-35° 980 25 
‘Tennessee 
20} Clewelannd cee seyret acters tsar | Tennessee - n 84° 30/-85° | -35° 30! | 975 25 
21 | Pikeville .-. .| Tennessee ....-- 85°--85° 30! | 30-362 | 969 25 
22 | MeMinnville | Tennessee - 85° 30/-86° | 35° 30/-362 969 25 
23 | Nomini-. ep itone -|\ | 30" | 938| 25 
24 Three Fo | Montana. : | 3, 354 50 
25 | Loudon. - ‘Tennessee 7 | 969 25 
SYA GET é {Virginia .-. mia | Ne 970-970 an: | = 
ZG) PROCANON LAN te aes eetalaeratars leet =t i West Virginia ..|f 379-379 30/ 951 25 
ill) MOLrIStowlls- = s-nieeee ceca ce Tennessee ..---- | 36°-36° 30’ Fi 963 25 
BR | oan jMaryland... 3 as ne oe OF 
28 | Pied MON Geeta aise see epee (West Virginia... J | 399-39? 30 | 925 25 
Nevada City.) 121 00! 25/-1219 03! 45" | 50-39 17/16" | 11.65) 
29 | Nevada city... |Grass Valley.>| California ....-- pa © Ol! 35-1219 05’ 04” 2211- 13/ 50" | 12. 09 50 
Banner Hill a |(120° 57! 05-1219 00! 25" | 50!/— IT! 16" 11.65 |J 
| Gallatin -. | | 
(Yellowstone Na- )Canyon... ap ee es 3 eS - G o 
30 NietionallPank: |Shoshone. | Wyoming .-.-...- | 1109-1119 | 44°45 | 3,412 75 
| Lake ....- | | a | 
318 | EP yraniideReaks te cecsceserl/elersisi California ....-. 120°-120° 30° 38° 30/-39° 
3 | | 
22) (iran elinyateee recor eee Kwesi vaccinia | 792-799 30° | 38° 30/-390 | 
33 Bricevillet a...) -sesceses seen Tennessee .....- | 849-849 30! 36°-36° 30! 
34 Buckhannon West Virginia -| 80°-80° 30! 38° 30/-39° 
35 | Gadsden -- | Alabama........ 86°-86° 30! 34°-84° 30! 
36 | Pueblo... - Colorado : 104° 30/-105° 382-389 30/ | 
37 Downieville -. California. 3 120° 80'-121° 39° 30/-400 | 
38 | Butte Special. Montana -| 112° 29' 30-1129 36! 42” | 45° 59! 28-462 02! 54” 
39 | Truckee .... California. 5 120°-120° 30’ 39°-39° 30’ 
40) Wartburg Tennessee é 84°. 30/-85° 36°-36° 30/ 
41 | Sonora... California 5 1209°-120° 30/ 372 30/-380 | 
42. Nueces ‘Texas - a 100°-100° 30/ 29° 30/-30° 
43 Bidwell - California 3 121°-121° 30/ 39° 30/-40° 
rte ee {Virginia - - -N\ 1990 870 OR 
44 Tazewell. - West Virginia..\f 81° 30/-82 379-372 30/ 
45 | Boise -.... bled ahosenese soon 1169-116° 30/ 43° 30/449 
46 Richmond Kentucky 3 849-84° 30! 37° 30/-382 
47. London ..- - Kentueky = 849-84° 30! 379-379 30! | 
48 Tenmile District Spe - Colorado e 106° 8’-106° 16’ | 39° 22! 30/’-39° 30/ 30" | 
491 ROSCDUL See ns =. tame setae ei Oregon ..- = 123°-123° 30! 43°-43° 30! | 
5 ala {Massachusetts -') BYES 90_490 90°F 
30 | Holyoke eens este eestor \Connecticut I 30/-73 42°-42° 30 
OU) Big Dreesien ses sees seeeeeees California ...--- 120°-120° 30 389-389 30! 
52 | Absaroka: | 
Pipers a Ee gee yoming ------ 09° 30/110" 044° 30! 
Crendall BHOOr \ Wyoming 109° 30/-110° 44044 
53. Standingstone - Tennessee .....- 85°-85° 30/ 362-369 30! 
54 | Tacoma ...... .| Washington ..-. 1229-1229 3u’ 47°_47° 30! 
55 | Fort Benton... - Montana. 110°-111° | 
56 | Little Belt Mountain . Montana. - 
57 | Telluride . Colorado. A 37° 45! 
58 | Elmoro - Colorado, : 1049-1049 30° 379-379 30' 
ec sri \; Virginia -. NY DORROONS ona aimare 
59 PISO lsaeeenioe = nose eee ae Niterneseed ay, 82°-82° 30! 36° 30/-37° 
GOj|\SuaPlatacaa. ssecose eee eee | Colorado. - 2 108°-108° 15/ 37° 15/-37° 30! 
j Virginia... ll G0 “80/_e@N¢ SRaGhe ag ¢ 
61 | : (West sViceini aly 79° 30/-80° 38°-38° 30! 938 25 
62 | Menominee Special .-.......--. | Michigan ....... 87° 44/-88° 09! 45° 44/459 55! | 254 | 25 
| 


STATISTICAL PAPERS. 


Mineral Resources of the United States [1882], by Albert Williams, jr. 1883. 8°. xvii, 813 pp. 
Price 50 cents. 

Mineral Resources of the United States, 1883 and 1884, by Albert Williains, jr. 1885... 8°. xiv, 
1016 pp. Price 60 cents. 

Mineral Resources of the United States, 1885. Division of Mining Statistics and Technology. 
1886. 8°. vii,576 pp. Price 40 cents. 

Mineral Resources of the United States, 1886, by David T. Day. 1887. 8°. viii, 813 pp. Price 
50 cents. 

Mineral Resources of the United States, 1887, by David T. Day. 1888. 8°. vii, 8382 pp. Price 
50 cents. 

Mineral Resources of the United States, 1888, by David 'T. Day. 1890. 8°. vii, 652 pp. Price 
50 cents. 

Mineral Resources of the United States, 1889 and 1890, by David T. Day. 1892. 8°. viii, 671 pp. 
Price 50 cents, 


ADVERTISEMENT. XI 


Mineral Resources of the United States, 1891, by David T. Day. 1893. 8°. vii, 630 pp. Price 
50 cents. 

Mineral Resources of the United States, 1892, by David T. Day. 1898. 8°. vii, 850 pp. Price 
50 cents. 

Mineral Resources of the United States, 1893, by David T. Day. 1894. 8°. viii, 810 pp. Price 
50 cents. 

On March 2, 1895, the following provision was included in an act of Congress: 

“Provided, That hereafter the report of the mineral resources of the United States shall be 
issued as a part of the report of the Director of the Geological Survey.” 

In compliance with this legislation the following reports have been published: 

Mineral Resources of the United States, 1894, David T. Day, Chief of Division, 1895. 8°. xv, 
646 pp., 23 pl.; xix, 735 pp., 6 pl. Being Parts III and IV of the Sixteenth Annual Report. 

Mineral Resources of the United States, 1895, David T. Day, Chief of Division. 1896. 8°. 
xxili, 542 pp., 8 pl. and maps; iii, 543-1058 pp., 9-13 pl. Being Part III (in 2 vols.) of the Seventeenth 
Annual Report. 

Mineral Resources of the United States, 1896, David T. Day, Chief of Division. 1897. 8°. 
xii, 642 pp., 1 pl.; 643-1400 pp. Being Part V (in 2 vols.) of the Nineteenth Annual Report. 

Mineral Resources of the United States, 1897, David T. Day, Chief of Division. 1898. 8°. 
viii, 651 pp., 11 pl.; viii, 706 pp. Being Part VI (in 2 vols.) of the Nineteenth Annual Report. 

Mineral Resources of the United States, 1898, David T. Day, Chief of Division. 1899. 8°. 
viii, 616 pp.; ix, 804 pp., 1 pl. Being Part VI (in 2 vols.) of the Twentieth Annual Report. 


The money received from the sale of the Survey publications is deposited in the Treasury, and 
the Secretary of that Department declines to receive bank checks, drafts, or postage stamps; all remit- 
tances, therefore, must be by MONEY ORDER, made payable to the Director of the United States 
Geological Survey, or in CURRENCY—the exact amount. Correspondence relating to the publications 
of the Survey should be addressed to 

THE DIRECTOR, 
UNITED STATES GEOLOGICAL SURVEY, 
WASHINGTON, D. C., August, 1990, WASHINGTON, D.C. 


i 
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7, 


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[Take this leaf out and paste the separated titles upon three of your cata- 
logue cards. The first and second titles need no addition; over the third write 
that subject under which you would place the book in your library. | 


LIBRARY CATALOGUE SLIPS. 


United States. Department of the interior. (U.S. geological survey.) 
Department of the interior |— | Monographs | of the | United 
States geological survey | Volume XL | [Seal of the depart- 


ment] | 

Washington | government printing office | 1900 

Second title: United States geological survey | Charles D. 
Walcott, director | — | Adephagous and clavicorn coleoptera | 
from the | Tertiary deposits at Florissant, Colorado | with | de- 
scriptions of a few other forms | and | a systematic list | of 
the | non-rhyncophorous Tertiary coleoptera of North America 
| by | Samuel Hubbard Scudder | [Vignette] | 

Washington | government printing office | 1900 

4°. 148 pp. 11 pl. 


Series. 


Scudder (Samuel Hubbard), 

United States geological survey | Charles D. Walcott, di- 
rector | — | Adephagous and clavicorn coleoptera | from the | 
Tertiary deposits at Florissant, Colorado | with | descriptions of 
a few other forms | and | a systematic list | of the | non-rhyn- 
cophorous Tertiary coleoptera of North America | by | Samuel 
Hubbard Seudder | [Vignette] | 

Washington | government printing office 

4°. 148 pp. 11 pl. 

(UNITED STATES. Department of the interior. (U.S. geological survey.) 
Monograph XL.| 


5 
= 
= 
=< 


1900 


United States geological survey | Charles D. Walcott, di- 
rector | — | Adephagous and clavicorn coleoptera | from the | 
Tertiary deposits at Florissant, Colorado | with | descriptions of 
a few other forms | and | a systematic list | of the | non-rhyn- 
cophorous Tertiary coleoptera of North America | by | Samuel 
Hubbard Scudder | [Vignette] | 

Washington | government printing office | 1900 

4°. 148 pp. 11 pl. 

[UNITED STATES. Department of the interior. (U. 8S. geological survey.) 
Monograph XL. | 

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Adephagous and c rah orn Coleoptera from