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CATALUC.
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PART II.
1854. 62.

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THE COLLECTION
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BY

MowsigzuR DESHAYES.

PART II.
PETRICOLAD.E (concluded) ;-^ ^'

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/$5702.,
BIVALVE SHELLS. 217

Genus 3. LAJONKAIRIA, Des.

Animal ovato-oblongum, compressiusculum ; pallium integrum
anticé apertum, inferné posticéque clausum ; tracheis binis co-
adunatis lateraliter compressiusculis, subzequalibus, trachea bran-
chiali majore, ad aperturam ciliata. Pes minimus, compressus,
linguiformis ; labiarum appendices elongatz, angustze, acut:e,
triangulares. — Branchiw carnosz breves, sub:zquales, quadran-
gulares, postice latiores, truncatze.

Testa ovato-oblonga vel subquadrangularis, decussata, tenuis ;
cardine angusto, in valva dextra bidentato, in sinistra tridentato,
dentibus minimis, divaricatis; nymphis brevibus; ligamentum
externum angustum, breve; cicatricule musculorum minimz
subrotundatz ; impressio pallhi brevis, sinu postico latissimo,
profundissimo, triangulari terminata.

Tellina (sp.), Schrot. (1786) Einl. i. 18. no. 11.
Gmel. (1788) p. 3231. no. 11.
Venus, Mont. (18083) Test. Brit. Suppl. p. 48.
Venerupis, Payraud. (1826) Cat. Moll. de Corse, p. 36.
Desh. (1856) Lamk. ed. 2. vi. 164.
Rupellaria, Petit (1851), Journ. de Conch. p. 289.
Tapes (sp.), Sow. jun. (1852) Thes. Conch. p. 695.

1l. LAJONKAIRIA DECUSSATA, Desh.

L. testa rotundato-quadrangula, anticé brevissima, stris longi-
tudinalibus creberrimis sub lente granulosis exarata; strüsque
incrementi irregularibus decussata.

Encycl. Méth. pl. 272. f. 2. a, b.
Venus candida, Scacchi (non Gmel.), Cat. Conch. Neap. p. 7.
Venerupis decussata, Phil. Moll. Sicil. p. 20. pl. 3. f. 5 ; n. 20.
no. 2.
Venerupis Lajonkairn, Payr. Cat. Moll. de Corse, p. 36. pl. 1.
£212.13:
Desh. Lamk. An. s. Vert. ed. 2. v1. 164.
Rupellaria Lajonkairi, Petit, Journ. de Conch. 1851, p. 289.
Tapes Lajonkairi, Sow. jun. Thes. Conch. p. 695. pl. 150. f. 120.
Junior. '"l'apes subquadrata, Sow. jun. loc. cit. p. 695. pl. 150.
f. 119.

Hab. Mare Mediterraneum.

2. LAJONKAIRIA SUBSTRIATA.

L. testa subquadrata, parva, sinuata, alba, striis tenuissimis con-
centricis et costellis minutis :qualibus decussata ; latere antico
brevissimo, umbonibus subterminalibus ; margine dorsali recto,
ascendente; latere postico truncato.

10 C

218 BIVALVE SHELLS.

Venus substriata, Mont. Test. Brit. Suppl. p. 48. pl. 29. f. 6.
Tapes substriata, Sow. jun. Thes. Conch. p. 695. pl. 150. f.116, 117.

Hab. Mare Britannicum.

3. LAJONKAIRIA GIBBOSA.

L.testa subtrigona, ventricosa, subtiliter transversim striata;
cardinis dente laterali valido.
Testa ex viridi albicante utrimque inflexa, altero latere breviori,
cardinis dente primario unico (Gmel.).
Tellina, Gualt. Ind. Test. pl. 77. f. Q.
Tellina gibbosa, Gael. p. 3231. no. 11.
Dillw. Cat. 1. 76. no. 11.
Wood. Gen. Conch. p. 151. no. 13; Ind. Test. pl. 3. f. 13.
Tellina, no. 62, Schrot. Einl. m. 18.

Hab.
An varietas monstrosa Veneris substriatzee Montagui?

N.B. CnonisTopow, Jonas, 1844, Zeitsch.f. Malac.185 ; Moll.
Beitr. 1846, 1. 102. t. /—NARANIO, p. 215.

Choristodon typicum, Jonas, Moll. Beitr.in Abhandl. Naturwis.
Hamburg. 1846, 1. 102. t. 7. f. 3, 1s a synonym of Venus lapicida
—Naranio lapicida, p. 216.—Gnav.

Fam. 5. Corbiculadz.

Animal regulare, pallio tenui antice infernéque aperto vestitum,
postieé tracheis binis plus minusve separatis terminatum, ah-
quantisper trachea unica. Pes triangularis, compressus, lingui-
formis, vel elongato-cylindraceus ; appendices labiarum parve,
triangulares, lamellose, aeuminatz. —Branchis latz, trapezoi-
dales; inzequales, posticé connatze.

Testa ovato-transversa vel subtrigona, epidermide viridi ves-
tita, lzevigata aut transversim striata sulcatave ; cardine utroque
latere bi- vel tridentato, dentes laterales duo, simplices vel trans-
versim striati ; impressio pallii simplex vel posticé breviter
sinuosa vel sinu angustissimo sublineari terminata.

Les Conques (ex parte), Lamk. (1809) Phil. Zool.1. 318 ; (1812)
Eutr. du Cours, p. 107.

Les Conques fluviatiles, Lamk. (1818) 4n. s. Vert. v. 556; ed. 2.
(1836) vi. 263.

Cycladées, Rafinesque (1815), Aun. Nat. Brua. vi.

Les Cyclades, Féruss. (1822) Tab. Syst. p. 43.

BIVALVE SHELLS. 219

Cycladea, Desh. (1830) Enc. Méth.1i.; Tab. de Class. des Moll.
Menke (1830), Syn. Meth. Moll. p. 110.
Cycladia, Rafin. (1820) Coq. Biv. de l'Ohio.
Cycladz, Flem. (1828) Brit. 4nim. p. 409.
Gray (1840), Turt. Man. ed. 2. p. 277.
Cycladina, Latr. (1825) Fam. Nat. p. 218.
Macgill. (1844) Moll. Aberd. p. 208.
Cyelasidze, D'Orb. (1846) Voy. en Amér. Moll. p. 566.
Cycladacea, Hinds (1844), Zool. Sulph. p. 66.
Veneriadz (ex parte), Leach (1818), Ann. & Mag. Nat. Hist. xx.
272; (1852), ed. Gray, Syn. Moll. Brit. p. 286.
Cyrenidz, Gray (1840), Syn. Brit. Mus. p. 75, 91.
Corbiculadz, Gray (1847), Proc. Zool. Soc. p. 184; (1851) List
of Brit. Anim. p. 16; Ann. & Mag. Nat. Hist. ser. 2. xi. 38.

* Corbiculade. Cardinal teeth 3*3 or 29* 2, diverging ; lateral
teeth eompressed. Siphonal inflection none. Periostraca olive,
hard, brittle, often polished. | Siphons contractile.

A. Cardinal teeth 3*3, front of right and hinder of left valve
smallest. Shell solid.

l. ConBicuLA, Megerle, Gray, P. Z. S. 1847, n. 552. — Shell
| subeordate ; lateral teeth compressed, subequal, finely
striated. C. fluminea.

2. BaATisSA. Shell subcordate ; lateral teeth compressed, stri-
ated, front very short, hinder elongate. B. tenebrosa. B.
obesa, Hinds.

3. VELOonITA, Gray, Syn. B. M. 1842, p. 75; P. Z. S. 1847,
n. 954. Shell cordate, triangular, thick ; teeth large, late-
ral, very finely striated, anterior very large, angular, hinder
elongate, compressed. | V. Cyprinoides.

4. CvnENA, Lamk. Gray, P. Z. $. 1847, n. 553. Shell sub-
cordate ; lateral teeth smooth, front roundish, hinder rather
compressed. C. Zeylanica.

B. Cardinal teeth 2 * 2, moderately diverging, front of right valve
and hinder of left valve smaller ; lateral teeth elongate, com-
pressed, smooth ; of right valve double, of left valve simple.
Shell thin.

5. SPHuERIUM, Scopoli, Gray, P. Z. S. 1847, n. 555. Sheli
oblong, eordate, equilateral; siphon of animal separate, di-
vergig at the tip. S. corneum.
10*

220 BIVALVE SHELLS.

6. PisuM, Megerle, Gray, P. Z. S. 1847, n. 556. Shell ovate-
wedgeshaped, inequilateral, truncated behind; siphons of
animal short, united to the end. .P. amnicum."— Gray, Ann.
ó& Mag. N. H. ser. 2. xi. 98.

A. Dentes cardinales 3*3, anterior in valva dextra et posterior
in valva sinistra minores. Testa solida. Corbiculina,

Gray.
Genus ]l. CORBICULA.

Animal ignotum.

Testa ovato-trigona, subzequilateralis, cordiformis, in utraque
valva cardo tridentato, dentibus divergentibus, dentes laterales
duo sequales, compressi, tenui, transversim striati. Nymphze
breves basi rugosze ; impressiones musculares minores rotundatze
vel semilunares; impressio pallu simplex.

Tellina, Müll. Verm. Hist. 1. 205.
Venus, Chemn. (1782) Conch. vi. 319.
Cyclas (spec.), Brug. (1792) Encycl. Méth. pl. 301, 302.
Lamk. (1799) Essai d'une Class., Mém. de la Soc. d' Hist.
lat. de Paris, 1.
Cyrena (ex parte), Lamk. (1818) 4n. s. Vert. v. 551.
Corbicula, Megerle (1811), Entwurf. p. 56.
Gray (1847), Proc. Zool. Soc. p. 184; (1853) Aun. & Mag.
Nat. Hist. xi. 38.
Cyanocyclas, B/ainv. (1818), Dict. Sc. Nat. xii. 280.

* Mantle (of Corbicula consobrina), lobes free on the lower
edge and in front, united behind; edge simple, with a series of
short conical beards just within the margim ; siphons two, very
short, separate, contractile ; apertures fringed with short crowded
conical beards; foot compressed, subquadrate, rather produced
in front ; body swollen ; abductor muscles large, anterior oblong,
the hinder round, subtrigonal.

* Labial tentacles 2 pair, large, broad, trigonal, equal; gills
oblong, inner pair large, the outer about half the depth of the
inner."— Gray, MSS.

a. Species Europe.

1l. CoRBICULA PANORMITANA.

C. testa. trigona, subzquilaterali, anticé rotundata, posticé angu-
lata, transverse striata, disco depresso; apicibus acutis, mncur-

BIVALVE SHELLS. 991

vis; dentibus cardinalibus duobus utraque valva; lateralibus
lamelliformibus, perpendiculariter striatis, quatuor valva dextra,
duobus sinistra.

Cyrena Panormitana, Bivona, Nuovi Mollus. Terrest. di Palermo,
p. 21.

Hab. In rivulis Sicilize.

b. Species Africane.

2. CORBICULA CONSOBRINA.

C. testa ovato-trigona, transversa, inzequilaterali, tumida, sub-
cordata, fusco-virente, transversim tenue sulcata ; latere antico
longiore, lato, obtuso, postico valde declivi, brevi, subtruncato ;
umbonibus tumidis, obtusis, oppositis, apice denudato viola-
ceis, valvis intus albo-pallide violaceis, ad margines saturati-
oribus; cardine angusto in utraque valva tridentato, dente
postieo valvz sinistrze obsoleto; dentibus lateralibus angustis
maequalibus, antico longiore, cardinem attingente.

Cyelas consobrina, Caillaud, Voy. à Meroe, ii. pl. 61. f. 10, 11.
An eadem var. ? Savigny, Exp. d' Eg. Moll. pl. 7. f. 7.

Hab. Flumen Nilum.

3. CORBICULA COR. B.M.

C. testa elongato-trigona, cordata, subzequilaterali, tumida, viridi-
fuseescente, transversim tenué et subtiliter suleata; umboni-
bus prominentibus, involutis, vix obliquis, szpius integris ;
lateribus obtusis, posticali paulo breviore, subtruncato ; valvis
intus violaceis zonulis saturatiorlbus ornatis; cardine angusto,
tridentato; dentibus subzqualibus, postieali valvula dextra
apice emarginato ; valvulz sinistree mediano bifido ; dentibus
lateralibus angustis, tenué striatis.

Cyrena cor, Lamk. An. s. Vert. v. 552. no. 3.
Deless. Rec. de Coq. pl. 7. f. 7.

Hab. ? ex oriente (Olivier). In Nilo superiore, Coll. Cum.

4. CORBICULA PUSILLA. B.M.

C. testa parva, tenui, turgidula, ovato-orbiculari, vix trigona, in-
squilaterali, alba ; strüs transversis, confertis ; epidermide
pallide flava ; dentibus lateralibus elongatis, striatis, cardinali
c ER inequalibus, duobus majoribus in. utraque valva

ifidis.

290 BIVALVE SHELLS.

Cyrena pusilla, PAil. Abbild. Conch. p. 78. pl. 1. f. 7.
Cyrena africana, var. 8, Krauss, Sudafr. Moll. p. 9.

Hab. Partem superiorem fluminis Nili.

5. CORBICULA RADIATA. B.M.

C. testa parva, tenui, orbiculato-trigona, :zequilaterali, livida, ad
apices alba, violaceo radiata; strüs transversis, remotiuseulis,
epidermide nitidissimo ; pagina interna violacea ; dentibus late-
ralibus elongatis, striatis; dentibus cardinalibus angustis, duo-
bus majoribus apice vix bifidis.

Cyrena radiata, PAil. (1846) Abbild. Conch. p. 4. no. 8. pl. 1. f. 8.
(non Hanley, 1844).

Cyrena africana, var. a, Krauss, Sudafr. Moll. p. 8.

Hab. In Nilo Albo.

6. CORBICULA AFRICANA. B.M.

C. testa parva, orbiculato-trigona, compressiuscula, subzequilate-
rali, anticé latiore, obtusiore, transversim densé et irregulariter
striata, olivaceo-glaucescente nitida, intus violacea; umbonibus
minimis, gibbosulis, erosis, cardine angusto, tridentato, dentibus
minimis, duobus approximatis, zequalibus, apice canaliculatis ;
dentibus lateralibus angustis, elongatis, tenuissime striatis ; im-
pressionibus museularibus minimis, rotundatis.

Cyrena africana, Krauss, Sudafr. Moll. p. 8. pl. 1. f. 8, varieta-
tibus exclusis.

Hab. Caput Bon: Spei.

c. Species Asiatice.

7. CORBICULA FLUMINALIS.

C. testa triangulari, transversim striata, crassa, dura, valdé gibba,
opaca, anticé versus cardinem latiore, quam posticé; extus
viridi, crebro striatim imbricata ; striz transverse ; valvis intus
cyaneis; cardine in utraque valva tridentato, dentibus divari-
catis, sub:equalibus, postico emarginato ; dentes laterales elon-
gati utroque latere tenue striati; stris tenuibus, perpendieu-
lariter parallelis.

Tellina fluminalis, Müll. Verm. Hist. n. 205.

Venus fluminalis, Chemn. Conch. vi. 319. pl. 30. f. 320.
Wood, Ind. Test. pl. 8. f. 113.

Tellina fluminalis, ScArót. Flussconch. p. 195. no. 20.
Gmel. p. 3242. no. 79.

Cyclas flumimnalis, Blainv. D. S. N. xu. 280.

BIVALVE SHELLS. 223

Venus, Schrót. Einl. m. 158. no. 11.

Cyclas, Enc. Méth. p. 301. f. 2.

Cyclas Euphratica, Lamk. Syst. An. s. Vert. p. 124.
Cyrena fuscata, var. ?, Lamk. An. s. Vert. v. 552. no. 4.

Hab. Ex onente, Lamk. In Euphratico flumine.

8. CORBICULA AMBIGUA. B.M.

C. testa ovato-trigona, szequilaterali, subcordiformi, transversim
densé striato-suleata ; striis regularibus, anticé posticéque
evanescentibus ; epidermide nitente, nigro-virescenti vestita,
in latere postico tenuissime striato-lamellosa, intus violacea ;
umbonibus angustis, prominentibus, anticé obliquatis; latere
antico atque postico zequaliter convexiusculis, declivibus, ob-
tusis; cardine angusto, dentibus tribus primariis inzequalibus
brevibus simplicibus, antico valvz dextrz dente laterali ad-
nato; dentibus lateralibus zequalibus, longis extremitate infe-
riore leviter areuatis, crenulato-striatis.

Corbieula ambigua, Desh. Proc. Zool. Soc. 1854.
Hab. Flumen Euphrates.

d. Species Indice.
9. CORBICULA OCCIDENS. B.M.

C. testa ovato-transversa, zequilaterali, tumida, tenui, transversim
regulariter lirato-suleata ; epidermide flavescente-viridi ves-
tita, ad umbones atro-violascente vel breviter albo radiata;
umbonibus tumidis, brevibus, lzvigatis; lunula ovato-lanceo-
lata, pallida, lzvigata ; valvis intus profunde fusco-violascenti-
bus ; cardine angusto, inzequaliter tridentato ; dentibus latera-
libus brevibus angustis albis tenue striatis.

Corbicula occidens, Bens. Asiat. Journ. 1824?

Hab. India; loco Sikkim dicto, Moredabad, Bengal. Coll.
Cuming. |

10. ConBi1cvLA BENSONI. B.M.

C. testa ovato-transversa, subtrigona, sequilateral, laevigata,
nitida, depressiuscula, extremitatibus obtusa, utroque latere
sequaliter declivi ; epidermide tenui, nitente, virescente vel fla-
vescente induta, aliquantisper lineis interruptis fuscis radiata,
alba vel pallide violascente ; cardine angusto, tridentato, den-
tibus inzqualibus valdé divaricatis, dentibus lateralibus prze-
longis, angustissimis, tenuissime striato-crenatis, antico paulo
longiore.

Corbicula Bensoni, Desh. Proc. Zool. Soc. 1854.

Hab. In rivulis Bengalensibus (Benson). Coll. Cuming.

224 BIVALVE SHELLS.
I

1l. ConBicUuLA BENGALENSiIS. B.M.

C. testa ovato-subtrigona, depressiuscula, tenui, subzequilaterali,
obsolete transversim striata, stris regularibus distantibus ;
epidermide flavescente nitidissima, intus alba, in medio macula
rubescente notata ; umbonibus minimis acutis; cardine angusto
tridentato, altero bidentato ; dentibus lateralibus angustissimis,
argute striatis.

Corbicula Bengalensis, Desh. Proc. Zool. Soc. 1854.

Hab. In rivulis Bengalensibus. Coll. Cuming.

12. CORBICULA STRIATELLA. B.M.

C. testa ovato-transversa, depressiuscula, subzequilaterali, extre-
mitatibus zequaliter obtusa, transversim regulariter lirata, liris
ad latus postieum evanescentibus ; epidermide pallide virides-
cente, nitente vestita ; Intus atro-violacea; umbonibus brevibus,
atro-violascentibus, pallidiore biradiatis ; cardine angusto, tri-
dentato; dentibus inzequalibus, divaricatis, postico longiore et
angustiore, dentibus lateralibus elongatis, angustis, subzequali-
bus, arcuatis, tenuissime striatis.

Corbieula striatella, Desh. Proc. Zool. Soc. 1854.
Hab. Pondicherry. Coll. Cuming.

13. CoRBICULA TRIGONA.

C. testa trigona, zequilaterali, compressiuscula, anticé paulo la-
tiore et obtusiore, utroque latere zequaliter declivi, transversim
tenue et regulariter striata; epidermide viridi, nitente induta,
intus palhde violacea ; umbonibus minimis, brevibus, acutis ;
lunula ovata, angulo obsoleto circumscripta, pallida, lzevigata ;
cardime angusto, altero bidentato altero tridentato ; dentibus
lateralibus zequalibus, tenuissime striatis, antico leviter arcuato.

Corbieula trigona, Desh. Proc. Zool. Soc. 1854.
Hab. Pondicherry. Coll. Cuming.

14. ConBICULA CASHMIRIENSIS.

C. testa ovato-transversa, subtrigona, :equilaterali, tumidula,
transversim. tenue et regulariter striata, stris posticé evanes-
centibus; epidermide nitida, atro-virescente, in latere postico
tenuissime striato vestita ; umbonibus tumidis, prominentibus,
profunde erosis, violaceis ; cardine angusto, in valva dextra bi-
dentato, in altera tridentato, valvule dextre dente antico late-
rali adnato ; dentibus primarüs divergentibus, simplicibus,
lateralibus, longis, angustis, antico longiore cardine proximo ;
valvis intus violaceis, impressione pallii margme valde remoto.

Corbiceula Cashmiriensis, Desh. Proc. Zool. Soc. 1854.
Hab. Cashmire. Coll. Cuming. 1

BIVALVE SHELLS. 2925

e. Species Chinenses.

15. ConBIcULA WoopnIANA.

C. testa subtrigona, subinflata, micante, subsquilaterah, trans-
versim rugata ; valvulis crassis ; natibus magnis et rotundatis ;
dentibus cardinalibus subbifidis, laterahbus longis, serratis
rectisque ; margarita alba.

Cyrena Woodiana, Lea, Trans. Amer. Phil. Soc. v. 110. pl. 18. f. 55:
Observ. on the Genus Unio, 1. 222. pl. 18. f. 55.
Wood, Ind. Test. Suppl. 2. pl. 14. f. 58.

Hab. Yn nvulis Chinensibus prope Canton.

16. CoRBICULA GRANDIS.

C. testa orbiculato-trigona, solida, tumidula, inzequilaterali, trans-
versim irregulariter rugosa, anticé sulcis magis regulanbbus
exarata ; latere antico breviore, late arcuato, postico magis at-
tenuato; epidermide nitidissima nigrescente vestita,ad margines
flavescente, posticé squamosa ; valvis intus pallide flavis; car-
dine incrassato, tridentato, dentibus approximatis, lateralibus
brevibus, crassis, irregulariter striato-denticulatis.

Corbicula grandis, Desh. Proc. Zool. Soc. 1854.
Hab. China? Coll. Cuming.

17. ConBiIcULA SIMILIS. B.M.

C. testa trigona, paululum latiore quam alta, depressiuscula, sub-
squilaterah, transversim tenue suleata, posticé sulcis eva-
nescentibus ; latere antico rotundato, obtuso, postico produc-
tiore cuneiformi, angulato; umbonibus prominentibus, recurvis,
oppositis, decorticatis; ligamento brevi, angusto, partim im-
merso; epidermideviridi-fuscescente ad margines glaucescente ;
valvis intus albis, ad margines lutescentibus, cardine tridentato,
nymphis basi irregulariter granoso-rugosis ; dentibus lateralibus
przelongis, angustis, transversim late profundeque sulcatis.

Venus similis, Gray in. Wood, Ind. Test. Suppl. 1. pl. 2. f. 5.
Cyrena similis, Gray in Griff. Anim. Kingd. pl. 20. f. 2.
Hab. China?

18. ConB1IcuLA LARGILLIERTI.

C. testa rotundato-trigona, sub:zequilaterali, compressiuscula, pos-
ticé angustiore, subangulata ; striis transversis confertissimis ;
epidermide olivacea, apicibus et pagina interna violaceis ; den-

tibus lateralibus elongatis, striatis.
10**

226 BIVALVE SHELLS.

Cyrena Largilherti, Phil. Abbild. Conch. pl. 1. f. 1.
Menke, Zeits. für Malak. 1844, p. 163.

Hab. China.

19. CORBICULA RECURVATA.

C. testa trigona, brevi, alta, crassa, cordiformi, zequilaterali ; late-
ribus subzequalibus, fere rectilineis, latere antico obtuso, postico
angulato, margine inferiore vix areuato ; umbonibus angustis,
prominentibus, oppositis, sepius erosis; facies externa regula-
riter transversim sulcata, epidermide flavescente fusco zonato ;
valvis intus albis ; cardine bidentato, dentibus lateralibus rectis,
longissimis, simplicibus.

Cyrena recurvata, Eydouz, Moll. du Voy. de la Favorite, Mag.
de Zool. p. 11. pl. 119. f. 2.

Hab. In fluviis Chiuz, atque lacu et rivulis prope Manillam.

20. CORBICULA FLUMINEA. B.M.

C. testa triangulari, gibba, opaca, anticé et posticé versus cardi-
nem fere zequalis, epidermide viridi vestita, costis latis, trans-
versim quasi circulis doliaribus cireumdata intus albida, semi-
circulo nigro notata ; dentibus cardinalibus et fossulis uti in
pracedente (fluviatilis, Müller).

Tellina fluminea, Müll. Verm. i. 206.
Gmel. p. 3243. no. 80.
Cyclas flummea, B/lainv. D. S. N. xii. 280.
Venus fluminea, Chemn. Conch. vi. 320. pl. 30. f. 522, 323, an
eadem species ?
Schrot. Einl. i. 159. no. 13.
Wood, Ind. Test. pl. 8. f. 114.
Tellina fluviatilis, Schrot. Flussconch. p. 193. pl. 4. f. 2. a, b.
Cyrena flummea, Lamk. An. s. Vert. v. 553. no. 5.
Hanley, Descr. Cat. p. 92.
Phil. Abbild. Conch. p. 2. no. 3. pl. 1. f. 3, an eadem species ?
Mousson, Moll. de Java, p. 87. no. 2. pl. 15. f. 3.

Hab. In arena fluviatili Chinze (Müller); Java (Mousson) ;
Manilla ( Cuming).

2]. CoRBICULA FLUVIATILIS. B.M.

C. testa triangulari, transversim rugosa; testa latior et tenuior,
proxima precedenti (fluminalis), fusco-virens, in cardine an-
ticé et postice zqualis latitudinis ; lineis elevatis eieta (Miüill.).

'Tellna fluviatilis, Müll. Hist. Verm. i1. 206.

Gmel. p. 3243. no. 8l.
Cyclas fluviatilis, Blainv. D. S. N. xii. 280.

BIVALVE SHELLS. 297

Venus fluviatilis, Chemn. Conch. vi. 320. pl. 30. f. 321.

Wood, Ind. Test. pl 8. f. 115.
Venus, Schrót. Einl. i. 158. no. 12.
Cyrena fuscata, Lamk. An. s. Vert. v. 552. no. ad exclus. var.
Cyrena fluviatilis, Phil. Abbild. Conch. p. 3. no. 5. pl. 1. f. 5?
Cyrena Manilensis, PAil. Zeits. für Malac. 1841, p. 163.

Hab. ln flumine emporium Canton, Chinz preterlabente
(Müller).

22. CORBICULA ORIENTALIS. B.M.

C. testa rotundato-ovata, subtrigona, subzequilaterali, solida ; api-
cibus erosis, obtusis; stris transversis regularibus remotis ;
epidermide olivaceo-atra; dentibus cardinalibus duobus im
valvula dextra; dentibus lateralibus elongatis striatis.

Cyrena orientalis, Lamk. Án. s. Vert. v. 552. no. 2, exclus. var.
Desh. in Lamk. ed. 2. vi. 273. no. 2.
Anton, Verz. der Conch. p. 13. no. 496, excl. syn.
Phil. Abbild. Conch. p. 1. no. 2. pl. 1. f. 2.

Hab. In China; in fluvio emporium Canton preeterlabente
frequentissima ; pro calce uritur (PAil.).

23. CORBICULA NITENS.

C. testa trigona, inzequilaterali, tenui, tenuissime et confertissime
transversim striata, olivaceo-flava; extremitate postica sub-
rostrata fusca ; dentibus lateralibus elongatis striatis.

Cyrena nitens, Philipp? in € Zeits. für Malac. 1844, p. 163 ;
Abbild. Conch. p. 76. pl. 1

Hab. China.
f. Species insulares.

24. CORBICULA COMPRESSA.

C. testa ovato-trigona, transversa, subeequilaterali, fusca, trans-
versim tenue et regulariter sulcata; anticé breviore, obtusa,
postieé obseuré truncata ; suleis ad jm posticum evanidis ;
umbonibus obtusis, Brorilidmrn decortieatis; valvis tenuibus,
intus atro-violaceis ; cardine angusto, szepius candido, triden-
tato; dentibus lateralibus angustis, acutis, tenuissime striatis.

Cyrena compressa, Mousson, MSS. fide Morelet.
Hab. ln rivulis insule Javanz.

25. ConBIcULA Movssowr. B.M.
C. testa ovato-transversa, convexiuscula, inzequilaterali, transver-

228 BIVALVE SHELLS.

sim striato-sulcata, striis remotis, z:equalibus, fusco-nigra ; um-
bonibus inflatis, obtusis, erosis; cardine angusto; dentibus
cardinalibus tribus, dente mediano crassiore, postico angusto
obsoleto; dentibus lateralibus angustis, brevioribus, tenuissime
striatis; valvis intus violaceis, ad dentes laterales fusco-viola-
ceis.

Cyrena orientalis, var. Javanica, Mousson, Moll. terr. et fluv. de
Java, p. 85. pl. 15. f. 2.

Hab. 'Tikojia, in insula Javanica.

26. CORBICULA PULCHELLA.

C. testa ovato-orbiculari, vix trigona, subzquilaterali, lenticulari,
apicibus perspicuis, transversim tenuiter sulcata, extus olivacea,
intus pallide luteo-alba ; margine cardinali brevi, anteriori an-
gulo rotundato inferiori juneto; posteriori subtruncato; den-
tibus lateralibus valdé elongatis, tenuissimis, minuté serrulatis ;
dentibus cardinalibus minutis, intraque valva, angulo cardi-
nal 1209.

Cyrena pulchella, Mousson, Moll. Java, p. 88. no. 3. pl. 15. f. 4.
Hab. Insulam Javanicam prope Tjikoya.

27. CORBICULA RIVALIS.

C. testa trigono-orbieulari, zequilaterali, compressa, satis tenui,
olivacea, suleis concentricis confertis cincta; umbonibus acu-
tiuseulis, parum prominentibus; dentibus lateralibus elon-
gatis, serrulatis, anticis subzequalibus; pagina interna omnino
violacea.

Cyrena rivalis, Von dem Busch in Phil. Abbild. Conch. i. 110.
no. 5. pl. 3. f. 5.

Hab. Java.

98. CoRBICULA CuMiNami. B.M.

C. testa ovata, subtrigona, inzquilaterali, tenui, turgida, sub-
cordiformi ; epidermide nitente viridescente vestita, transversim
regulariter suleata, suleis distantibus posticé evanidis; umbo-
nibus tumidis, prommentibus, lzvigatis, atro-violaceis, scepius
integris, oppositis; cardime angusto, inzqualiter tridentato,
dentibus divergentibus ; nymphis basi granoso-corrugatis ; den-
tibus lateralibus angustis, elongatis, zequalibus, antico 1n medio
prommentiore.

Corbicula Cumingi, Desh. Proc. Zool. Soc. 1854.

BIVALVE SHELLS. 229

Var. 8. Testa globulosa, ventricosiore.

Hab. Insula Luzon Philippinarum (Cuming) ; India, Bareally
loco dicto ( Benson).

29. CoRBICULA MALACCENSIS.

C. testa ovato-transversa, subtrigona, in:zquilateral, turgidula,
solidula; epidermide glaucescente vestita, transversim regula-
riter et tenue sulcata, extremitatibus obtusa, latere antico lon-
giore; cardine angusto, tridentato, altero bidentato; dentibus
lateralibus angustis, tenuissime striatis, antico longiore, valvis
intus albis vel pallide violaceo tinctis.

Corbieula Malaecensis, Desh. Proc. Zool. Soc. 1854.
Hab. In nvulis ad Malaccam affluentibus. Coll. Cuming.

30. CoORBICULA TUMIDA. B.M.

C. testa regulariter ovato-transversa, tumida, tenui, subzequilate-
rali, posticé paulo longiore, utraque extremitate zequaliter ob-
tusa; epidermide viridi, nitente vestita, transversim sulcata,
sulcis valde distantibus ; umbonibus parvis, turgidulis, inte-
gris; cardine angustissimo, dentibus cardinalibus tribus an-
gustis, inzequalibus, valde divergentibus, lateralibus angustis-
simis, arcuatis, argute crenulato-striatis.

Corbieula tumida, Desh. Proc. Zool. Soc. 1854.

Var. 8. Testa juniore epidermide glaucescente, valvulis intus
extusque fusco trimaculatis.

Hab. Borneo. Coll. Cuming, pro varietate.

g. Species Australienses.

3l. CoRBICULA OVALINA.

C. testa ovato-transversa, subzequilaterali, tenui, subventricosa,
epidermide viridi vel nigrescente vestita, sulcis latis exarata,
ad latus posticum evanescentibus; latere postico paulo lon-
glore ; cardine angusto, dentibus cardinalibus valde divaricatis,
inzqualibus, lateralibus brevibus, antico paulo longiore, pos-
tico 1n medio prominentiore, utroque latere densé striato, car-
dine remoto.

Corbicula ovalina, Desh. Proc. Zool. Soc. 1854.

Hab. ln rivulis Portu Essingtonensi affluentibus. Coll. Cu-
ming.

230 BIVALVE SHELLS.

32. CORBICULA AUSTRALIS. B.M.

C. testa ovato-oblonga, striata, subdepressa, tenui, fragili, fusco-
virente, mtus aurantia, strus tenuissimis, transversalibus.

Cyrena australis, Desh. Encycl. Méth. Vers, 1. 50. no. 12; in
Lamk. An. s. Vert. ed. 2. vi. 278. no. 16.
Wood, Ind. 'T'est. Suppl. 2. pl. 14. f. 57.

Var. 8. Testa lutescente.
Hab. Nova Hollandia.

33. ConBICULA NEPEANENSIS. B.M.

C. testa regulariter transversim ovata, tenui, turgidula, zequilate-
rali, epidermide nitente flavicante vestita, intus pallide auran-
tia, transversim striata, strüis distantibus, in latere antico pro-
fundioribus, lateribus zequaliter obtusis; umbonibus parvis,
obtusis, erosis ; cardine angusto, dentibus cardinalibus inzequa-
libus tribus, valde divergentibus, lateralibus angustissimis,
sequalibus, obsoleté tenuissimé striatis.

Cyrena Nepeanensis, Less. Voy. de la Coq. Zool. 1i. 428. pl. 13.
f. 14.

Hab. Fluvius Nepean dictus Nov: Hollandis.

34. CORBICULA SEMISULCATA.

C. testa transversa, ovato-subtrigona, inzquilaterali, tumidula,
solidiuscula, transversim incremento irregulariter substriata,
anticé regulariter suleata; epidermide squalide virescente ves-
tita, aliquando zonulis transversis nigrescentibus interrupta,
intus profundé violacea; cardine tridentato, dentibus fere
squalibus, lateralibus validis, brevibus, postico cardine re-
moto ; sinu pallii postico brevi, angusto, triangulari, aeuto.

Corbicula semisuleata, Desh. Proc. Zool. Soc. 1854.
Hab. Yn fluvio Victori:s Nov: Hollandis. — Coll. Cuming.

h. Species Americe meridionalis.

35. CORBICULA OBSOLETA.

C. testa ovato-trigona, obliqua, tumidula, inzquilaterali, solidi-
uscula, transversim irregulariter striato-sulcata ; epidermide oli-
vaceo vestita, zonulis obscurioribus interrupta, utroque latere
declivi, anticé lata, breviori, obtusa, posticé subangulata ; um-
bonibus promientibus, obliquis; cardine angusto; dentibus
cardinalibus tribus minimis subparallelis, dentibus lateralibus

BIVALVE SHELLS. 931

angustis, equalibus, antico arcuato; valvis intus vivide vio-
laceis.

Corbicula obsoleta, Desh. Proc. Zool. Soc. 1854.
Hab. In fluminibus reipublieze Uruguayensis. Coll. Cuming.

36. CORBICULA CUNEATA. B.M.

C. testa cordato-trigona, valde inszquilaterah, turgida, anticé
rotundata, postice longiore, subacuminata; epidermide fusco-
viridi vestita, transversim confertim sulcata, mtus violacea;
dentibus lateralibus striatis, elongatis, angustis; sinu pallari
minimo, triangulari.

Cyrena cuneata, Jonas, Zeits. für Malac. 1844, p. 186 ; Abhandl.
Naturwiss. Hamb. p. 13. pl. 7. f. 5.

Hab. Flumen Orinoco (Jonas).

37. ConBICULA PARANENSIS.

C. testa rotundato-cordata, inflata, crassa, concentricé strata,
epidermide luteo-virescente ; latere antico brevi, angustato ; la-
tere postico dilatato, subtruncato; dentibus cardinalibus tribus;
dentibus lateralibus crenulatis; intus albicante vel violacea.

Cyrena paranacensis, D'Orb. Mag. de Zool. 1835, p. 44. no. 1.
Cyclas paranensis, D'Orb. Voy. en Amér. Moll. p. 567. pl. 83.
f. 23-25.

Hab. Flumen Parana Americz meridionalis.

38. CORBICULA LIMOSA.

C. testa ovata, transversim striata, intus purpurea; umbonibus
acutiusculis prominentibus, epidermide viridi.

Tellina limosa, Maton, Linn. Trans. x. 228. pl. 24. f. 8-10.

Wood, Gen. Conch. p. 199. pl. 46. f. 4, 5; Ind. Test. pl. 5.
f. 86.

Dillw. Cat. 1. 106. no. 77.

Cyclas limosa, B/ainv. D. S. N. xii. 280.

Cyrena limosa, Gray, Ann. Phil. 1825, p. 117.

Hab. Fluviis Americze meridionalis.

39. CORBICULA CONVEXA.

C. testa orbiculato-cordiformi, globulosa, imzequilaterali, crassa,
solida, viridi-olivacea, tenuissime et irregulariter striata, ad um-
bones lxvigata, anticé breviore; umbonibus tumidis, obtusis,
oppositis ; valvis solidiusculis, intus albis ;; cardine inzequaliter
tndentato, dente mediano valvule dextre bifido ; dentibus

232 BIVALVE SHELLS.

lateralibus subzequalibus angustis, tenu et breviter crenulatis ;
impressione pallii posticé sinu parvulo, trigono, terminata.

Corbicula convexa, Desh. Proc. Zool. Soc. 1854.
Hab. In fluviis Americze centralis.

40. ConBICULA BRnaASILIANA. B.M.

C. testa trigona, subtransversa, tumidula, inzequilaterali, tenué et
regulariter transversim striata, epidermide viridi nitente ves-
tita; umbonibus minimis, prominulis, oppositis ; latere antico
paulo breviori, superné rectilineo, declvi, postico parumper
attenuato, rotundato ; cardine angusto tridentato, altero biden-
tato, dentibus minimis divergentibus, lateralibus elongatis,
angustis, sub lente exilime striatis ; sinu pallii parvulo trian-
gulari, apice acutissimo.

Corbicula Brasiliana, Desh. Proc. Zool. Soc. 1854.
Hab. Para Brasihensis.

4]. CORBICULA VARIEGATA.

C. testa ovato-elliptica, compressa, tenui, concentricé striata,
epidermide viridescente, brunnea; latere antico brevi, rotun-
dato, dentibus lateralibus angustatis, crenatis ; violacea, viri-
descenti vel radiatim violacea, intus albida vel violacea.

Cyrena variegata, D'Orb. Mag. de Zool. 1835, p. 44. no. 2.

Cyclas variegata, D'Orb. Voy. en Amér. p. 567. pl. 82. f. 14-16.

Cyclas limosa, D'Orb. (non Maton) E«pl. de la pl. 82.

Phil. Abbild. Conch. p. 9. no. 5. pl. 2. f. 5.

Hab. In fluviis reipublieze Urugayensis orientalis.

1. Species quarum patria ignota est.
42. CORBICULA PULLATA.

C. testa suborbicularl, parum trigona, subzquilateral, tumida,
nigro-olivacea, striis transversis elevatis remotiusculis emeta ;
apicibus parum tumidis, cariosis ; dentibus lateralibus elonga-
tis, serrulatis, anticis subzequalibus ; pagina interna atro-vio-
lacea.

Cyrena pullata, Phil. Abbild. Conch. i. 110. no. 6.
Hab. ?

493. CORBICULA OBSCURA.

C. testa ovato-suborbiculari, depressiuscula, subzequilaterah, ex-
tremitatibus zequaliter obtusa, transversim irregulariter striata,

BIVALVE SHELLS. 233

striis antice profundioribus, epidermide atro-virescente vestita ;
cardine tridentato, dentibus :equalibus divergentibus, dentibus
lateralibus brevibus, angustis, antico paulo longiore ; impres-
sione pallii posticé sinuosa, sinu brevissimo, lato.

Corbieula obscura, Desh. Proc. Zool. Soc. 1854.
Hab. ——? Coll. Cumimg.

44. CORBICULA INCRASSATA.

C. testa ovato-trigona, valde inzequilaterali, crassa, solida, cunei-
formi, transversim densé striata, epidermide atro-vindi ves-
tita, latere antico brevi valde decli, obtuso, postico subangu-
lato; margine inferiore parum arcuato ; umbonibus tumidis,
Oppositis, sepius erosis; cardine incrassato, tridentato, dentibus
cardinalibus subparallelis, lateralibus densissime et argute stri-
atis, antico paulo breviori.

Corbicula incrassata, Desh. Proc. Zool. Soc; 1854.
Hab. ——? Coll. Cuming.

45. CORBICULA SQUALIDA.

C. testa ovato-transversa, subtrigona, subsquilateral, tenui,
turgidula, utraque extremitate obtusa, transversim sulcata,
sulcis irregularibus distantibus aliquando interruptis, postice
anticéque ssepius evanidis; epidermide viridi, fusco atrato,
squalide irregulariter maculata, lineolis capillaceis undulatis
longitudinalibus ornata; umbonibus tumidis, integris, lzviga-
tis; valvis intus aulicus : cardine angusto, tridentato,
altero bidentato, dentibus exiguis, lateralibus. angustis, zequa-
libus striato-serrulatis.

Corbicula squalida, Desh. Proc. Zool. Soc. 1854.
Hab. ——? Coll. Cuming.

46. CORBICULA SULCATINA.

C. testa ovato-trigona, turgidula, cordiformi, subzequilaterali,
obliqua, transversim dense et tenue sulcata, sulcis posticé eva-
nescentibus ; lunula depressa, levigata; epidermide viridi-
flavescente, ad umbones decorticata; umbonibus levigatis,
prominentibus, obliquis; intus candida, ad margines palhde
castanea; cardine angusto, utroque latere bidentato, dentibus
lateralibus zequalibus, brevibus, striatis.

Corbieula sulcatina, Desh. Proc. Zool. Soc. 1854.
Hab. ——? Coll. Cuming.

234 BIVALVE SHELLS.

47. CORBICULA TRIANGULARIS.

C. testa trigona, :equilaterali, alta, tumidula, solida, epidermide
fuscescente vestita, transversim irregulariter striato-rugosa,
utroque latere zequalter declivi; umbonibus prominentibus,
violaceo-lividis, vel roseis violaceo subradiatis; valvis intus
superné rubescentibus, ad margines violaceis; cardine incras-
sato, inzequaliter tridentato ; dentibus lateralibus crassis, prze-
longis, tenuissime striatis.

Corbicula triangularis, Desh. Proc. Zool. Soc. 1854.
Hab.

? Qoll. Cumimg.

k. Species dubie.

48. CoRBICULA DEBILIS.

C. testa parva, tenui, transverse ovata, posticé ampliata, et sub-
truncata, subzequilaterali, transversim liris confertis, subre-
flexis, arata; epidermide nitido, superné olivaceo induta;
apicibus parum elevatis, erosis, absque lunula ; intus violaceo-

albida; dentibus cardinalibus inconspicuis, laterahbus elon-
gatis, stratis.

Cyrena debili, Gould, Proc. Bost. Soc. Nat. Hist. i. 293;
United States Expl. Exped. Moll. p. 427. f. 529. a, b.

Hab. In fluvio Hunteriano Nov: Hollandiz.
An Cyclas? deficiunt dentes cardinales.

49. CORBICULA TRIGONELLA.

C. testa parvula, triangulari, subzequilateral, fulva, lzviuscula ;
natibus subviolaceis.

Desh. Lamk. An. s. Vert. ed. 2. vi. 273. no. 1.

Hanley, Descr. Cat. p. 92.

Anton, Verz. A Conch. p. 13. no. 498.

Hab.

50. ConBIcULA ÉEvPHRATICA.
Bronn, System. Urwelt. Conch. pl. 4. f. 10.
Hab.

Genus 2. BATISSA.

Animal Cyrenz simillimum.
Testa ovata vel subeireulari, subcordata, epidermide viridi oli-
vaceo vestita; cardine lato, utriusque valvz tridentato, dentibus

BIVALVE SHELLS. 255

divergentibus, inszequalibus, posticali longiore et angustiore ;
dentibus lateralibus elongatis, angustis, acutis, striatis ; ligamen-
tum magnum, crassum, subcylindricum ; impressiones musculares
magnae, lunulares vel circulares ; impressio pallii simplex.

Cyrena (ex parte), Lamk. Syst. 1818.
Corbicula (spec.), Gray, Proc. Zool. Soc. 1847, p. 184.
Batissa, Gray, Ann. & Mag. N. H. ser. 2. xi. 34, 1852.

a. Species Javanice.
l. BATISSA ROTUNDATA.

B. testa rotundata, sublenticulari, subzequilaterali, transversim
rugata; latere posteriori rugoso ; valvulis crassis ; natibus par-
vis, acutis, contiguis ; dentibus cardinalibus subbifidis ; late-
ralibus longis, minute serratis, rectisque ; margarita alba et
purpurea.

Cyrena rotundata, Lea, Trans. of Amer. Phil. Soc. v. 107. pl. 17.
f. 51; Observ. on the Genus Unio, 1. 219. pl. 17. f. 51.

Hanley, Descr. Cat. p. 93; in Wood, Ind. Test. Suppl. 2.

pl. 14. f. 55. !

Hab. Java; insule Philippinenses.

2. BATISSA EXIMIA.

B. testa ovato-orbiculari, erassiuscula, im:equilaterali, transversim
striata, margine subrugosa; umbonibus tumidis, obliquis, haud
erosis, plicis obsoletis rugulosis irregularibus ab iisdem ad latus
posticum decurrentibus; epidermide atro-fusca marginem ver-
sus sublamellosa; intus alba, dentibus cardinalibus in utraque
valva tribus, majoribus bifidis, lateralibus valvze sinistree haud
crenulatis, antico valde crasso, brevi, cardime approximato,
dente postico remoto, longiore, subcompresso, ligamento pecu-
liari crasso, in dorso compresso et carinato.

Cyrena eximia, Dunk. Zeitsch. für Malac. 1852, p. 51. no. 4.
Hab. In flumine Progo, prope Mangelang, in insula Java.

b. Species Philippinenses.
3. BATISSA KERAUDRENIA. B.M.

B. testa obovata, inzequilaterali, crassa, solida, compressiuscula,
maxima ; latere antico brevi, rotundato, postico latiore, superné
subdeclivi, angulum obtusum ad extremitatem ligament for-
mante, margine ventrali convexiusculo ; umbonibus recurvis,
prominulis, obliquis, approximatis, sepius integris aliquantisper
erosis; ligamento permagno, prominente cylindraceo, postice

936 BIVALVE SHELLS.

subito truncato; epidermide crassa, atro-fuscescente vel oli-
vacea; valvis intus albis, ad margines inferné posticéque pur-
pureo-violaceis ; cardime incrassato ; dentibus cardimal:bus
mzqualibus, mediano valve dextre majore, antico breviore,
postico angustiore et longiore; dentibus lateralibus angustis,
elongatis, superné transversim striatis, aliquantisper violaceo
tinctis.

Cyrena Keraudrenia, Lesson, Voy. de la Coq. Moll. p. 429. pl. 11.
f.9 (1829).

Cyrena philippinarum, Hanley, Proc. Zool. Soc. 1844, p. 259;
in Wood, Ind. Test. Suppl. 2. pl. 14. f. 60.

Var. 8. Testa paulo depressiore, posticé angulata.

Hab. Insula Waigiou dieta atque msule Phihppinenses; flu-
viis insulze Nicobaniez.

4. BATISSA INSIGNIS.

B. testa ovato-orbieulari, obliqué inzequilaterali, tumida, tenui,
intus violacea, epidermide nigro-virescente, nitido vestita, in
. latere antico laté sulcata, sulcis remotis, ad lunulam saepius
inter se conjungentibus ; umbonibus prominentibus erosis,
anticé inclinatis ; cardine angusto, obliquo, inzequaliter triden-
tato; dentibus in valva sinistra angustioribus, mediano bifido,
i dextra crassioribus simplicibus ; dentibus lateralibus angus-
tis, postico valve sinistrze laminato apice regulariter serrulato.

Batissa insignis, Desh. Proc. Zool. Soc. 1854.
Hab. Calamang, insula Luzon Philippinarum. | Coll. Cuming.

5. BATISSA TRIQUETRA.

B. testa trigona, obliqua, inzquilaterali, cuneiformi, levigata,
epidermide nigro vestita, depressiuscula ; margine antico rec-
tilineo, postico valde convexo, dilatato, inferiore vix arcuato;
umbonibus profundé erosis ; lamina cardinah angusta, denti-
bus cardinalibus tribus inzqualibus, brevibus, subcanalicu-
latis ; lateralibus elongatis, angustis, subzequahbus, antico car-
dine adnato, postico remoto ; valvis tenuibus intus albis.

Batissa triquetra, Desh. Proc. Zool. Soc. 1854.
Hab. Insule Philippinenses; Australia. Coll. Cuming.

6. BATISSA PRODUCTA.

B. testa suborbiculari, valde obliqua, inzequilaterali, depressius-
eula, crassa, solida, transversim laté et obsoleté plicata vel sub-
undulata, epidermide polita, atro-virescente vestita, intus su-
perné alba, posticé infernéque violacea; umbonibus magnis,

BIVALVE SHELLS. 237

productis, anticé obliquatis ; cardine lato, crasso, valde obliquo,
m:equaliter tridentato, dentibus majoribus superné obsoleté
canaliculatis, lateralibus validis, antico crasso, obsoleté rugoso
vel striato, postico compressiore et paulo longiore, latere antico
brevi rotundato, postico dilatato.

Batissa producta, Desh. Proc. Zool. Soc. 1854.
Hab. lnsule Philippinenses. Coll. Cuming.

7. BATISSA CHILDREN. B.M.

B. testa ovato-subrotunda, obliqua, inzequilaterali, depressiuscula,
crassa, solida, posticé ab umbonibus obscuré subangulata,
epidermide fusco-viridi nitente induta, intus alba, im fornice
szepius aurantio-purpurascente posticé violacea; latere antico
breviore, obtuso, transversim in:xquahter Bülcntó : ; suleis in
medio evanidis; latere postico latiore rugis irregularibus di-
vergentibus notato, lamina cardinali lata, crassa, dentibus pri-
maris tribus inzequalibus, in utraque valva medianis validiori-
bus; dentibus lateralibus subzequalibus, antico basi lato.

Cyrena Childrenz, Gray, Ann. Phil. 1825, p. 117.
Venus Childreni, Gray in Wood, Ind. Suppl. pl. 2. f. 13.

Var. B. Testa minore paulo transversiore magis depressa.
Hab. Insule Philippenses.

8. BATISSA LENTICULARIS.

B. testa orbiculari, tantum alta quam lata, zequilaterah, subsym-
metrica, lenticulari, turgidula, epidermide nitidissima. atro-vi-
rescente vestita, lineis longitudimalibus tenuissimis obsoletis
irregulariter in medio radiata, intus albo-violacea ; latere antico
postieum zquante et sequaliter obtuso ; cardine angusto, tri-
dentato; dentibus majoribus superné canaliculatis, mediano
valve dextrze majori; dentibus lateralibus subzequalibus, antico
crassiore, tenue rugoso, postico lamimato obsoleté striato; um-
bonibus parvis, agutis, integris, oppositis.

Batissa lentiecularis, Desh. Proc. Zool. Soc. 1854.
Hab. Insule Philippinenses (Cuming). Coll. Cuming.

c. Species Sumatrensis.
9. BATISSA JAYENSIS.

B. testa subrotunda, inszquilateralh, anticé rugosa ; valvulis
crassis ; natibus parvis, elevatis ; dentibus cardimalibus bifidis ;
lateralibus longis, minuté serratis rectisque margarita purpurea.

9238 BIVALVE SHELLS.

Cyrena Jayensis (Jayana), Lea, Trans. of Amer. Phil. Soc. v. 108.
pl. 17. f. 52; Observ. on Gen. Unio, i. 220. pl. 17. f. 52.

Hab. In fluviis insulze Sumatrensis.

d. Species Australienses.

10. BATISSA TENEBROSA. B.M.

B. testa ovata, fusco-virente, transversim striata ; natibus valde
erosis; dentibus lateralibus serrulatis; latere antico rectius-
culo ; intus violacea.

Cyrena tenebrosa, Hinds, Ann. Nat. Hist. p. 81; Voy. of Sulphur,
p.65 pl; 2T. f. 7.
Hanley in Wood, Ind. Test. Suppl. 2. pl. 15. f. 2.

Hab. YInsulas Feejee dictas.

ll. BATISSA VIOLACEA. B.M.

B. testa ovato-transversa, elliptica, compressa, inzquilaterali,
crassa, solida, anticé posticéque obtusa; margine superiore
utroque declivi; umbonibus tumidulis, decorticatis, parum
obliquis ; latere antico laté sulcato, postico irregulariter striato ;
epidermide crassa, viridi-fuscescente, polita; valvis intus pur-
pureo-violaceis vel vivide purpuratis; cardine crasso; dentibus
inzequalibus, lateralibus transversim sulcatis.

Cyclas, Brug. Ency. pl. 301. f. 1. a, 5.
Cyrena violacea, Lamk. An. s. Vert. v. 553. no. 7
Desh. Ency. Méth. Vers, n. 49. no. 9 ; in Lamk. An. s. Vert.
ed. 2. v1. 275. no. 7.
Deless. Rec. de Coq. of Lamk. pl. 7. f. 5.
Hanley, Descr. Cat. 1. 92.
Anton, Verz. der Conch. p. 13. no. 499.
Wood, Ind. Test. Suppl. 2. pl. 13. f. 13.
Phil. Abbild. Conch. 3i. 108. no. 2. pl. 3. f. 2.

Var. suborbicularis, Mousson, Moll. de Java, p. 88. pl. 15. f. 1?
(an altera species ?)

Hab. Nova Guinea (Lesson). Var. suborbicularis insule Java-
nieze (.Mousson).

12. BATISSA OBESA. B.M.

B. testa ovata, turgida, flavo-virente, transversim striata; natibus
subintegris; dentibus lateralibus serrulatis ; latere antico con-
vexo; intus pallide violacea.

BIVALVE SHELLS. 239

Cyrena obesa Hinds, Aun. Nat. Hist.x.81; Voy. of Sulphur, p. 66.
pl. 21. f. 6.
Wood, Ind. Test. Suppl. 2. pl. 15. f. 3.

Hab. Insule Feejee dictze.

13. BaATISSA CORBICULOIDES. B.M.

B. testa obliqué triangulari, inzequilaterali, tumida, crassa, solida,
epidermide squalide viridi-fuscescente vestita, transversim in-
squaliter suleata et striata; umbonibus productis erosis, ob-
liquis ; lunula angulo obtusissimo notata, magna, ovato-lan-
ceolata, lzvigata ; area posticalh rugis irregularibus obsoletis
divaricatis corrugata ; cardine lato, crasso, inzequaliter triden-
tato, dentibus compressis, divergentibus, simplicibus ; dentibus
lateralibus sicut in Corbieulis elongatis, angustis, tenué striatis,
antico paulo breviore; valvis intus albis, in margine postico
violaceo maculatis.

Batissa eorbiculoides, Desh. Proc. Zool. Soc. 1854.
Hab. Nova Guinea (Jukes).

14. BATISSA HUMEROSA.

B. testa trigona, inzquilaterali, cuneiformi, superné gibbosa,
transversim inzequaliter striato-sulcata ; epidermide nigrescente
vestita, itus alba, in medio palhde purpureo tincta; latere
antico rectilineo, valde declivi, inferné obtusé angulato, margine
dorsali leviter convexo, declivi, margine inferiore parum arcu-
ato, rugis aliquibus in latere postico divergentibus ; umbonibus
profundé erosis ; cardine lato, tridentato, dentibus inzequalibus
simplicibus, medianis majoribus ; dente laterali antico cardine
adnato, irregulariter corrugato, postico longiore, angustiore,
striis brevibus notato.

Batissa humerosa, Desh. Proc. Zool. Soc. 1854.
Hab. Nova Guinea. Coll. Cuming.

e. Species quarum patria ignota est.
15. BATISSA MEGADESMA.

B. testa ovato-transversa, magna, crassa, ponderosa, inzequilate-
rali, anticé brevi, obtusa, rotundata, fusco-nigrescente, laté et
irregulariter transversim undulata, anticé suleulosa ; latere
supero et postico suleo obsoleto decurrente distincto; liga-
mento maximo, elongato, cylindraceo, in medio carinato ; um-
bonibus erosis; valvis intus candidissimis; cardie crasso, in
utraque valva tridentato, dente posticali valvze sinistrze angusto,

240 BIVALVE SHELLS.

elongato, dentibus obliquis ; dente laterali antico cardime
proximo irregulariter sulcato, posticali angusto cardine remo-
tissimo.

Batissa megadesma, Desh. Proc. Zool. Soc. 1844.
Hab. ?

16. BATISSA ATRATA.

B. testa orbiculari, sublenticulart, :equilaterali, transversim obso-
leté striato-sulcata, intus extusque aterrime violacea; umboni-
bus brevibus minimis, oppositis, approximatis, apice decorti-
catis ; valvis tenuibus ; cardine angusto, inzequaliter tridentato ;
dente antico in utraque valva angusto; dentibus lateralibus
brevioribus, angustis, obliqué sulcato-rugosis ; impressione
pallii posticé leviter inflexa.

Batissa atrata, Desh. Proc. Zool. Soc. 1854.
Hab. ?

Genus 3. VELORITA.

Animal ignotum.

Testa alta, crassa, solida, cordiformis, epidermide nitente ves-
tita, posticé. truncata, angulata ; cardine crasso, lato, inzequahiter
tridentato, dentibus compressis, parum obliquis, antico valvze
dextre brevissimo, postico valvze simistrze obsoleto ; dentes late-
rales valde inzequales, anticus crassus, brevis, transversus, cardine
coadunatus, posticus elongatus, tenuissime striatus, cardme remo-
tus; musculorum cicatriculze subrotundatz, zequales; palli im-
pressio postice sinu brevissimo terminata ; ligamentum externum,
breve, angustum, semicylindraceum.

Cyrena (sp.), Gray, Ann. Phil. 1825, p. 137.

Venus, Gray in Wood (1828), Ind. Test. Suppl. pl. 2. f. 14.

Velorita, Gray (1834), Griff. Anim. Kingd. Moll. pl. 31. f. 5.
(misprint Villorita) ; Syn. B. M. (1842) 75; Proc. Zool. Soc.
1847, p. 184; Ann. ó& Mag. N. H. ser. 2. xi. 934.

Villarita, Dunker, 1846 (misprint).

Cyrenodontz, Johannis, Mag. Zool. 1836, t. 70.

]. VELORITA CYPRINOIDES.

V. testa trigonal, altiori quam lata, cordiformi, valde inzquila-
terali, crassa, tumida, solidissima, transversim regulariter sul-
cata, suleis anticé posticéque evanescentibus ; epidermide oli-
vaceo-fuscescente nitidissime vestita, latere antico latiore, laté
semicireulari, postico brevissimo, recto, valde declivi, angulo

BIVALVE SHELLS. 941

obtuso cireumscripto ; cardine lato, crasso, brevi, inzequaliter
tridentato, dentibus angustis, elongatis, parallelis, apice vix
canaliculatis ; dente laterali antico maximo, crasso, cardine
valde approximato, postico longiore, angusto, valde separato.

Cyrena cyprinoides, Gray, Ann. Phil. 1825, p. 137.

Velorita eyprinoides, Gray im. Griff. Anim. Kingd. pl. 31. f. 5 ;
Ann. & Mag. N. H. ser. 2. xi. 39.

Venus cyprinoides, Gray in Wood, Ind. Test. Suppl. pl. 2. f. 11.

Hab. Fluviis Japonicis.

Genus 4. CYRENA.

Animal ovatum, transversum ; pallium ad margines simplex
vel fimbriatim, posticé tracheis binis basi connatis, brevibus, ter-
minatum. Pes magnus, compressus, ovato-trigonus; labiarum
appendices elongatze, ovatze, trigonze, neenon conjunctze ; branchize
inzequalissim:e, interna major subquadrangularis, externa mimima
subtrigona.

Testa ovata vel subtrigona, crassa, solida, epidermide vestita,
cardo in utraque valva tridentatus, dentes paulo divergentes ;
dentes laterales duo, inzequales ; antico breviore cardine approxi-
mato; impressio pallii simplex.

Venus, Chemn. (1782) Conch. vi. 333.

Cyclas (ex parte), Brug. (1792) Ency. Méth. pl. 301, 302.
Lamk. (1802) Syst. des An. s. Vert.

Cyrena (pro parte), Lamk. (1818) 4n. s. Vert. v. 551.

Cyrena 8, Gray (1847), Proc. Zool. Soc. p. 184.

Geloina, Gray (1840), Syn. Mus. Brit. 1844, p. 75.

Cyrena, Gray (1851), Ann. & Mag. Nat. Hist. ser. 2. xi. 48.

Polymeroda, Rafin. Ann. Gen. Sci. Nat. Bruz. 1820, v. 219.

SvNOPSIS SPECIERUM.

I. Cyrene vera.

A. Testa ovata, suborbicularis vel subtrigona, epidermide lamel-
losa vel squamulosa.

a. Testa subtrigona, 1-13.
b. Testa ovata, 14-50.
c. Testa suborbicularis, 31—34.

B. Testa trigona, tumida, subcordiformi, epidermide nitente,
35-41.
l1

249 BIVALVE SHELLS.

II. Cyrene anomales.

a. Testa ovata, turgidula, 42-49.

b. Testa tenuis, rotundata, cordiformis, 50—58.
III. Species incerte, 59, 60.

I. Cyrene vera.
À. Testa ovata, suborbicularis vel subtrigona.
a. Testa subtrigona.
l. CYRENA TRIANGULARIS.

C. testa trigona, solidiuscula, epidermide fusco-virescente, trans-
versim striata, stris marginalibus lateralibusque eminentioribus,
sulco ab umbone ad marginem posteriorem leviter impressa ;
margine antico descendente, vix excavato, angulo anteriore
rotundato; margine superiore subrotundato, postico fere bian- -
gulato; valvis intus lacteis, margine continuo nitentiore ; den-
tibus cardinalibus in utraque valva tribus, duobus bifidis ; den-
tibus lateralibus brevibus, tenuissime rugosis haud striatis.

Cyrena triangularis, Metcalfe, Proc. Zool. Soc. 1851, p. /4. no. 36.
Hab. Borneo.

2. CYRENA TURGIDA.

C.testa trigona, inflata, parte antica turgida, rugosa, inzequilaterali,
transversim rugata ; valvulis crassis ; natibus elevatis, recurvis ;
dentibus cardinalibus sub-bifidis ; dente anteriore laterali brevi
et elevato, posteriore longo et laminato ; margarita alba.

Cyrena turgida, Lea, Trans. of. Amer. Phil. Soc. v. 109. pl. 18.
f. 53; Observ. on the Genus Unio, 1. 221. pl. 18. f. 53.
Hanley, Descr. Cat. 1. 93; in Wood, Ind. Test. Suppl. 2.
pl. 14. f. 50.

Hab. In fluviis Indiz.

3. CYRENA SUMATRENSIS.

C. testa ovali, gibbosa, crassa, intus alba aut flavescente, extus
fusco-virescente ; dentibus cardinalibus tribus, duobus majori-
bus, angulatis, sub-bifidis, dentibus lateralibus brevibus, tenu-
lssime rugosis.

Cyrena Sumatrensis, Sow. Gen. of Shells, f. 1-4.
Desh. Lamk. An. s. Vert. ed. 2. vi. 277. no. 15.
Reeve, Conch. Syst. pl. 63.

Hanley, Descr. Cat. p.94; inWood, Ind. Test. Sup.2. pl. 15.f.1.
Hab. ln nvulis insulae Sumatrensis.

BIVALVE SHELLS. 243

4. CvRENA BENGALENSIS. B.M.

C. testa subcordata, trigona, inzequilaterali, tumidiuscula, crassa,
solida, alba sub epidermide squalide fuscescenti, transversim
irregulariter striata ; latere antico valde declivi, planulato, pos-
teriore dorsali parum convexo; margine inferiore vix arcuato ;
umbonibus erosis obliqué incurvatis parum. prominentibus ;.
valvis intus albis, cardime merassato, obliqué tridentato; den-
tibus subparallelis sensim crescentibus, duobus in valva dextra
bifidis uno mediano in valva sinistra; antico mimore, dentibus
lateralibus maximis, brevibus, simplicibus; impressione pallii
prope marginem inferiorem descendente; nymphis latis, de-
pressis ; ligamento angusto, brevi, partim immerso.

Cyrena Bengalensis, Desh. Lamk. An. s. Vert. ed.2.vi.2/6.n0.10.
Deless. Rec. de Coq. yl. 7. f. 6. a-d.

Hanley, Descr. Cat. p. 91; in Wood, Ind. Test. Suppl. 2
pl. 13. f. 14.

Hab. In rvulis Bengalensibus.

5b. CvRENA Bvuscnaurr. B.M.

C. testa trigono-orbiculan, inzequilaterali, alba, incrassata, solida,
tumidiuscula; epidermide olivaceo-viridi vel castanea, regula-
riter concentricé lamellata ; latere antico brevi, obtuso, declivi,
rectilineo, planiuseulo ; postico convexiusculo, ad extremitatem
obtuso; inferiore parum arcuato; umbonibus obliqué promi-
nulis, szepius integris, cardine angusto, dentibus cardinalibus
tribus, inzequalibus, sensim crescentibus, duobus posticis valvze
dextre anterioribus, valvze sinistre bifidis, dentibus lateralibus
brevibus, antico cardine approximato.

Cyrena Buschii, Phil. Abbild. Conch. p. 8. no. 2. pl. 2. f. 2.
Hab. China.

6. CYRENA EXPANSA.

C. testa crassiuscula, subinflata, inzquilaterali, rotundato-tri-
gona, lineis transversis zequidistantibus, anticé punctatis, pos-
ticé eripulatis ornata, mitida, extus viridi-lutea, intus tota
alba ; margine cardinali, brevi, anteriori et inferiori rotundatis ;
posteriori 'subexpanso, infra angulato ; dentibus cardinalibus
duobus bifidis, tertio simplici, in valva dextra anteriori, in

sinistra posterior]; dente laterali antico subapproximato, pos-
teriori subremoto.

Cyrena expansa, Mousson, Moll. Java, p. 89. no. 6. pl. 14.

Hab. Insula Javanica (Mousson).
1H*

244 BIVALVE SHELLS.

7. CYRENA FALLAX. B.M.

C. testa ovato-trigona, plus minusve tumida, crassa, solida, in
medio ventricosa, epidermide squalide fuscescente, ferrugmea,
in junioribus flavescente vestita, transversim irregulariter striata;
latere antico breviore, superne fere rectilineo, declivi, rotun-
dato, margine postico superiore recto, declivi ; extremitate pos-
tica sensim attenuata, breviter truncata ; area plana, lzvigata,
angulo obtusissimo cireumsceripta; cardine satis lato, dentibus
tribus inzequalibus in valva dextra crassioribus majoribus bilo-
batis; dente laterali antico compresso brevi, postico loagiore.

Cyrena fallax, Desh. Proc. Zool. Soc. 1854.

Hab. Insule Philippinenses ; Australia (Cuming). Coll. Cu-
ming.

8. CYRENA INQUINATA.

C. testa orbiculato-trigona, turgida, iflata, subcordiformi, in-
zequilaterali, epidermide squalide fusca, fuliginosa dense irre-
gulariter lamellosa vestita; umbonibus tumidis profundé ero-
sis; margme superiore antico declivi, rectilineo, postico con-
vexiusculo, inferiore subsemicireulari ; valvis solidiusculis intus
albis; cardine angusto, arcuato, tridentato ; dentibus inzequa-
libus, brevibus, obliquis, parallelis, angustis, parum prominen-
tibus, duobus bifidis; dentibus lateralibus minimis, brevibus,
antico prominentiore; ligamento brevi, partim infosso; im-
pressione pallii prope marginem decurrente.

Cyrena inquinata, Desh. Proc. Zool. Soc. 1854.
Hab. In fluviis Chinensibus.

9. CYRENA CONJUNCTA.

C. testa orbiculato-trigona, crassa, solida, ventricosa, subsqui-
laterali, utroque latere obtusa, rotundata, inferné regulanter
arcuata, margine antero-superiore declivi, rectilineo, postico
convexo, epidermide viridi-fuscescente, transversim regulariter
tenue lamellosa; umbonibus tumidis, obliquis, brevibus, obtu-
sis, erosis; ligamento brevi, angusto, immerso; valvis intus
albis; dentibus cardinalibus tribus inzequalibus, postico valvae
dextre latiore, inzequaliter bifido, mediano emmentiore, acuto,
profundé bilobato ; dentibus lateralibus parvis, distantibus,
antico eminentiore, conico, compresso.

Cyrena conjuncta, Desh. Proc. Zool. Soc. 1854.
Hab. ?

BIVALVE SHELLS. 245

10. CvRENA LAUTA.

C. testa ovato-transversa, subtrigona, inszquilaterali, superne
infernéque convexiuseula, posticé subtruncata, anticé valde
declivi, rectilinea, crassa, solida, in medio convexa ; epidermide
fusca, nitida, tenue irregulariter striata ; umbonibus depressis,
brevibus, apice acutis, approximatis, szepius erosis ; lamina
cardinali lata, dentibus cardinalibus tribus obliquis, angustis,
elongatis, approximatis, feré parallelis, superné canaliculatis,
antico valvze dextrze dimidia parte breviore ; dentibus laterali-
bus sub:zqualibus, postico valde remoto.

Cyrena lauta, Desh. Proc. Zool. Soc. 1854,
Hab. ?

1l. CvRENA SIMILIS.

C. testa ovato-trigona, oblonga, inzequilaterali, in medio tumida,
transversim distanter striata, epidermide fuscescente, ferrugi-
nea nitente vestita; umbonibus minimis decorticatis; latere
antico brevi, rotundato, obtuso, latere postico superné con-
vexiuseulo, declivi, sensim attenuato, extremitate breviter sub-
truncato ; dentibus tribus, primariis duobus subzqualibus apice
inzqualiter bifidis; dentibus lateralibus minimis, antico valvze
sinistree conico, depressiusculo, postico longiore.

Cyrena oblonga, Desh. Proc. Zool. Soc. 1854.
Hab. Manilla. Coll. Cuming.

12. CvRENA AFFINIS.

C. testa oviformi, ovato-transversa, incequilaterali, ventricosa,
erassa, solida, epidermide tenui, fusco-ochracea lzvigata induta,
transversim inzqualiter striata, subcontabulata; umbonibus
minimis, depressis, integris, vix prominentibus, latere antico
brevi, laté rotundato, postico attenuato, obtuso; cardine an-
gusto, dentibus tribus angustis, duobus majoribus profundé
canaliculatis ; dentibus lateralibus zequalibus, antico acutius-
culo, postico valde remoto.

Cyrena affinis, Desh. Proc. Zool. Soc. 1854.
Hab. Australia (Cuming). Coll. Cumming.

13. CYRENA OVIFORMIS.

C. testa. ovato-transversa, crassa, solida, turgida, inzequilaterali,
transversim irregulariter incrementis striata; area lunulaque
lzevigatis, epidermide tenui, brunnea vel flavescente vestita ;
antice brevi, deelivi, obtusa, posticé magis attenuata ; latere

246 BIVALVE SHELLS.

superiore postico convexiusculo ; umbonibus brevibus, depres-
sls, apice acuminatis, szepius erosis; ligamento angusto, elon-
gato, vix immerso ; valvis profundis, intus albis; cardme an-
gusto, arcuato, inzqualiter tridentato ; dentibus divaricatis,
duobus in utraque valva inxqualiter apice bilobatis ; dente
laterali antico conico, crasso, prominenti, compresso, dente
postico longiore, angustiore.

Cyrena oviformis, Desh. Proc. Zool. Soc. 1854.

Hab. Insula DBasilan Philippinarum ; Portus Essingtonensis.
Coll. Cummg.

b. Testa ovata.

14. CYRENA MACTROIDES.

C. testa ovato-transversa, depressa, inzquilateral, epidermide
viridi-glaucescente et transversim striato-laminata vestita, pos-
tieé lamellis appressis imbricatis ; umbonibus brevibus, ob-
liquis, approximatis, integris; latere antico brevi, laté obtuso,
postico superné declivi, attenuato, subangulato; cardine an-
gusto, dentibus cardinalibus compressis, majoribus apice pro-
fundé furcatis; lateralibus compressis, brevibus, in fossulis an-
gustis profundisque valvule dextre receptis; ligamento an-
gusto, tenui, immerso. '

Cyrena mactroides, Desh. Proc. Zool. Soc. 1854.
Hab. ? QOoll. Cuming.

15. CvRENA VENTRICOSA.

C. testa ovato-transversa, subtrigona, inzequilaterali, in senioribus
crassa, solida, ponderosa, in medio turgida, epidermide squa-
lide fuscescente aut rubiginosa, tenui, inferné posticéque brevi-
ter lamellosa et atrata vestita, intus eandidissima, anticé su-
perné arcuato-declivi, obtusa, posticé sensim attenuata, trun-
cata; margine superiore dorsali rectilineo, declivi ; umbonibus
parvis, parum obliquis; cardine angusto, tridentato, dentibus
inzqualibus majoribus bifidis subparallelis ; dentibus laterali-
bus crassis, compressiusculis, postico paulo longiore ; liga-
mento angusto, partim immerso ; area posticali planata.

Cyrena ventricosa, Desh. Proc. Zool. Soc. 1854.
Hab. lInsule Philippimenses ; Australia. Coll. Cuming.

16. CvnENA GALATHEZE.

C. testa cordato-trigona, inzquilaterali, turgida, concentricé
striata, posticé longiore, truncata, anticé et imferné angulata ;

BIVALVE SHELLS. 247

umbonibus distantibus, prominentibus; lunula rhomboidali,
medio carinata ; area lanceolata, convexa; ligamento tumido,
longiore, valvis intus albis, cardine forniceque flavescentibus ;
epidermide nigrescente, anticé obsoleté radiata ; dentibus late-
ralibus brevibus, antico conico intrante, postico oblongo.

Cyrena Galathez, Mórch, Cat. Conch. Kierulf. p.32. t.2; Zeitsch.
für Malac. no. 8. p. 128.

Hab. In insula Nicobar, fluv. Galathes.

17. CYRENA CYPRINOIDES.

C. testa magna, turgida, cordata, in:quilateral, transversim
striata; epidermide viridi, anticé posticéque fuscescente; car-
dine angusto ; dentibus lateralibus brevibus.

Cyrena cyprinodes, Quoy. & Gaim. Voy. de l Astrol. Moll. pl. 82.
f. 1, 2, 3 (non Gray).
Hanley, Descr. Cat. p.93; Wood, Ind. Test. Suppl. 2. pl. 14.
f. 54.

Hab. In aquis paludosis, stagnantibus, Nov: Guinez (Quoy).

18. CvRENA DIVARICATA. B.M.

C. testa. ovato-subcireulari, inzequilaterali, tumida, crassa, solida,
epidermide fusco-nigrescente vestita, transversim inzequaliter
obsoleté striata, rugis undulatis, irregularibus, in latere postico
divergentibus; umbonibus obliquis, profundé erosis; latere
antico breviore, superné recto, declivi, m medio attenuato, sub-
angulato, latere postico lato, dilatato, obtusé subtruncato;
lamina cardinali lata, plana ; dentibus primariis tribus, inze-
qualibus, angustissimis, in valva sinistra duobus latis valde
pedieulatis, in valva dextra profundé canalieulatis ; dentibus
lateralibus minimis, antico conieo, aeuto, postico oblongo,
angusto.

Cyrena divaricata, Desh. Proc. Zool. Soc. 1854.
Hab. Nova Guinea.

19. CvRENA PALLIDA. B.M.

C. testa orbiculato-trigona, magna, solida, in medio convexa, in-
sequilaterali, anticé postieéque declivi, reetilinea, extremitate
postieali attenuata, brevi, truneata, epidermide tenui, luteo-
flaveseente laté striata, vestita ; umbonibus parvis obtusis ;
area posticali plana, angulo obtusissimo circumscripta ; lga-
mento brevi, angusto, partim immerso; valvis solidis, intus
candidissimis, cardine angusto tridentato, dentibus angustis,

248 BIVALVE SHELLS.

duobus in utraque valva bifidis; dente laterali antico, crasso,
conico, compresso, posticali elongato, compresso.

Cyrena pallida, Desh. Proc. Zool. Soc. 1854.
Hab. ——?

20. CYRENA ZEYLANICA.

C. testa ovato-transversa, inzquilaterali, tumida, epidermide
transversim striata olivaceo-viridi vestita; anticé posticéque
sequahter declivi, extremitatibus rotundata, inferné convexius-
cula; umbonibus parum obliquis, erosis; intus alba; cardine
angusto, tridentato, dentibus inzequalibus subparallelis, mediano
et postieali valvze dextre, antico et mediano valvz sinistrae
apice bifidis; dentibus lateralibus brevibus, simplicibus, a
cardine parum remotis. |

Rumph. xhu. F. H?

Cyclas Ceylanica, B/ainv. Dict. Sci. Nat. xi. 279.

Venus Ceylanica, Chemn. Conch. vi. 333. t. 32. f. 336.

Venus coaxans, Gmel. p. 3278. no. 41.

Encycl. p. 302. f. 4. a, b.

Desh. Ency. Méth. Vers, n. 49. no. 8.
Blainv. Malac. pl. 73. f. 2.

Mousson, Moll. Java, p. 89. no. 5. pl. 13.

Hab. Yn fluviis insulz Zeylanicz atque Javanicez.

2]. CvRENA DECIPIENS.

C. testa ovato-subtrigona, tumida, inzequilaterali, parum crassa,
epidermide viridi, lamellis transversis distantibus crispis in-
structa vestita, lamellis posticé multo numerosioribus appres-
sis erectis ; umbonibus minimis decorticatis, vix obliquis ; latere
antico breviore, superné convexiusculo, declivi, inferné obtuso,
postico rotundato ; valvis intus albis ; cardine angusto, triden-
tato, dentibus majoribus profundé furcatis, lateralibus angus-
tis, compressis, antico valvas sinistre furcato, fossula valve
dextrc anticé marginata.

Oyrena decipiens, Desh. Proc. Zool. Soc. 1854.
Hab. ? QOoll. Cuming.

929. CYRENA SUBLOBATA.

C. testa ovato-transversa, subquadrangulari, valde inzequilaterali,
tumidiuscula, epidermide viridi-nigrescente, transversim striata
et laminosa vestita; laminis crispis inferné posticéque nume-
rosioribus; latere antico brevissimo, declivi, feré rectilineo,
iferné obtuso; margine superiore et inferiore subparallelis,

BIVALVE SHELLS. 249

zqualiter convexiusculis, latere postico laté truncato, sulco
profundo flexuraque distineto quasi sublobato ; cardine an-
gusto, dentibus in:zqualibus tribus, valde obliquis, in valva
sinistra angustioribus, in dextra validioribus, apice profundé et
in:qualiter bilobatis; dente laterali antico conico acuto, pos-
tico elongato compresso, extremitate postico remoto.

Cyrena sublobata, Desh. Proc. Zool. Soc. 1854.
Hab. ? Coll. Cuming.

23. CYRENA SINUOSA. B.M.

C. testa ovato-rotundata, tumida, cordiformi, solida, valde in-
squilaterali; epidermide fusco-fuligimosa, transversim tenue
lamellosa vestita; latere antico brevi, rotundato, postico sub-
truncato, latere supero-posticalh sulco profundo sinuoso
decurrente separato; umbonibus tumidis, brevibus, saepius
erosis ; ligamento angusto, partim infosso; valvis intus albis,
cardine crasso, utroque latere tridentato, dentibus obliquis,
mediano et postico dente valvz dextrz bifidis; dentibus late-
ralibus brevibus, antico crasso, conico, apice acuto.

Cyrena sinuosa, Desh. Proc. Zool. Soc. 1854.
Hab. In flumine Paningbang insulz Javaniez.

24. CYRENA IMPRESSA. B.M.

C. testa ovato-suborbiculari, obseuré subquadrangulari, valde in-
squilaterah, turgida, mediocriter crassa, epidermide viridi-
glaucescente transversim tenuissime laminata, posticé inferné-
que atrovirente lamellis szepius erispis ; umbonibus minimis,
obliqué anticé curvatis, decorticatis, acutis, parum prominen-
tibus; latere antico declivi, rectilineo, mferné obtuso ; margine
superiore convexiusculo, postico latere subtruncato, sulco im-
presso, ab umbone descendente distincto; lamina cardinali
lata, dentibus primariis tribus angustis, elongatis, promimenti-
bus, apice profundé furcatis; dente laterali antico conico,
brevi, compresso, postico longiore.

Cyrena impressa, Desh. Proc. Zool. Soc. 1854.

Hab. lnsula Java (Jukes); msule Philhppinenses (Cuming) ;
Australa. Coll. Cuming.

25. CYRENA COMPTA.

C. testa ovato-trigona, ventricosiuscula, subzquilaterali, anticé
et posticé feré z:equaliter declivi, anticé. paulo breviori, rotun-
data, postica obtusa, paululum attenuata, epidermide tenui,

nitente, flavido-virescente tenue striata vestita, latere postico
n

250 BIVALVE SHELLS.

suleo obsoletissimo notato; umbonibus minimis, obtusis, de-
corticatis; cardme angusto tridentato, dentibus angustis, basi
paulo angustioribus apice. profundé bilobatis, lateralibus com-
pressis, antico prominenti acuto, postico longiore.

Cyrena compta, Desh. Proc. Zool. Soc. 1854.
Hab. ———-? Coll. Cuming.

26. CYRENA NITIDA.

C. testa orbiculato-trigona, depressiuscula, in:zquilaterali, epi-
dermide prasina, nitente lzvigata vestita ; latere antico obtuso,
breviore, postico magis attenuato, flexura decurrente, obliqua,
sinuato, margine superiore postico convexo, inferiore regulari-
ter arcuato; umbonibus parvis, depressis, obliquis, approxi-
matis; lipgamento elongato, partim infosso ; valvis crassis,
solidis, intus candidissimis; cardine angusto, inzequaliter tri-
dentato; dentibus obliquis latis in valva dextra, angustis in
altera; dente laterali postico compresso, conico, acuto, antico
breviori.

Cyrena nitida, Desh. Proc. Zool. Soc. 1854.
Hab.

? Coll. Cuming.

97. CvRENA PaPuA.

C. testa suborbiculari, lenticulari, depressiuscula, subzequilaterali,
margine dorsali utroque zequaliter dechvi et arcuato, inferiore
valde arcuato; umbonibus parvis, parum prominentibus, vix
obliquis, integris; epidermide viridi-glaucescente regulariter
transversim striata, posticé subsquamosa ; valvis intus albis;
cardine angusto, tridentato, dente mediano apice bifido, basi
coarctato, angustiore ; dentibus lateralibus parvis, simplicibus,
posteriore angustiore.

Cyrena Papua, Lesson, Voy. de la Coq. Zool. p. 428 ; Mag. de
Zool. pl. 11.

Hab. Nova Guinea, et insula Waigiou dicta.

28. CYRENA INCERTA.

C. testa ovato-suborbiculari, ventricosa, inzequilaterali, parum
crassa, transversim irregulariter striata, stris tenuibus profun-
dis; epidermide squalide fuscescente posticé nigrescente et
nitente vestita; umbonibus minimis, integris, parum obliquis
valde approximatis, lunula in medio prominente, latere antico
brevi, laté rotundato, postico declivi, attenuato, extremitate
subtruncato; cardine angusto, tridentato, dentibus minimis,

BIVALVE SHELLS. 951

angustis, inzequalibus, majoribus profundé furcatis, lateralibus
inzqualibus, compressis, antico majore.

Cyrena incerta, Desh. Proc. Zool. Soc. 1854.
Hab. ? Coll. Cuming.

29. CvnRENA EsSSINGTONENSIS. B.M.

C. testa ovato-suborbiculari, subtriangulari, inzequilaterali, trans-
versim striata, striis inzequalibus, epidermide viridi-fuscescente,
posticé nigrescente vestita; antico latere breviore rotundato,
superné leviter arcuato, declivi, postico paululum angustiore ;
cardine angusto, inzqualiter tridentato, dentibus prominen-
tibus apice profundé fissis, basi coarctatis, subpediculatis, den-
tibus lateralibus parvis, antieo majore conico, fossula valvulze
dextrze profunda, superné canaliculata, dente cardinali ejusdem
valvul:e obliqué prominente.

Cyrena Essingtonensis, Desh. Proc. Zool. Soc. 1854.
Hab. Portus Essingtoniensis (Cuming). Coll. Cuming.

30. CvRENA JUKESI. B.M.

C. testa ovato-trigona, turgidula, inzequilaterali, transversim ir-
regulariter striata, epidermide nitida flavieante pallide vires-
cente et brevissime laminata vestita, latere antico brevi, su-
perné feré rectilineo, declivi, postico. rotundato, superné con-
vexiuseulo ; valvis intus albis, umbonibus minimis, brevibus,
anticé obliquatis; cardine angusto tridentato, dentibus sub-
sequalibus, duobus majoribus apice bifidis, angustis, lateralibus
subsequalibus, conicis, compressis.

Cyrensa Jukesi, Desh. Proc. Zool. Soc. 1854.
Hab. Caput Upstart dictum Australie septentrionalis.

c. Testa suborbicularis.

31, CYRENA SUBORBICULARIS. B.M.

C. testa suborbiculari, valde inzequilaterali, alba, sub epidermide
viridi regulariter concentricé lamellata, apicibus prominulis,
integris; margine dorsali utroque rotundato, postico anticum
sesquies :equante, ventrali valde arcuato ; dentibus cardinalibus
ternis, binis bifidis ; lateralibus brevibus, lzevibus. (PAil.)

Cyrena suborbicularis, Phil. Abbild. Conch. p. 7. pl. 2. f. 1.
Hab. Manilla.

252 BIVALVE SHELLS.

32. CYRENA PLACIDA.

C. testa suborbiculari, sublentieulari, inzquilaterali, in medio
turgidula, epidermide squalide fuscescente tenuissime striata
vestita; umbonibus brevibus, erosis vix prominentibus ; latere
antico breviore laté rotundato, postico truncato angulo decur-
rente obtusissimo separato ; cardine lato, dentibus inzequalibus
angustis, elongatis, subparallelis, depressis, apice laté canalieu-
latis; dentibus lateralibus subzequalibus depressis compressis,
postico minore.

Cyrena placida, Desh. Proc. Zool. Soc. 1854.
Hab.

? Coll. Cuming.

33. CvRENA VANIKORENSIS.

C.«esta subrotundata, depressa, solidula, irregulariter striata, intus
alba, extus epidermide fusca vestita ; umbonibus minimis ; car-
dine angusto, tridentato, dentibus lateralibus angustis, bre-
vibus.

Cyrena Vanikorensis, Quoy & Gaim. Voy. de l' Astrol. Moll. pl. 82.
f. 4, 5.
Hanley, Descr. Cat. p. 93; in Wood, Ind. Test. Suppl. 2.
pl.d4..£. 59.

Hab. Insula Vanikorensis.

34. CYRENA DURA.

C. testa ovato-subrotundata, ventricosa, in:equilaterali, crassa,
solida, ponderosa, transversim irregulariter striato-rugosa, epi-
dermide squalide fuscescente ochracea, impolita ; umbonibus
minimis depressis, obliquis, decorticatis; lunula indistineta, in
medio producta, latere antico laté rotundato, postico zequalitér
rotundato obscuré subtruncato, angulo obtusissimo decurrente
notato; cardine lato, solido, dentibus tribus primariis inzequa-
libus erassis apice emarginatis; dente laterali antico brevi
conico acuto compressiusculo, cardine approximato, postico
oblongo depresso, remoto ; linea pallii sub impressione muscu-
lari postica breviter simuosa.

Cyrena dura, Desh. Proc. Zool. Soc. 1854.
Hab.

? Coll. Cuming.

B. Testa trigona, tumida, subcordiformi, epidermide nitente.
35. CYRENA PLACENS.

C. testa suborbicular, subventricosa, m:quilaterali, nitida, con-
centricé suleato-striata, epidermide virido-flavescente induta

BIVALVE SHELLS. 253

margine ventrali convexo, dorsali utrinque declivi et convex-
iuseulo; natibus erosis; ligpamento fulvo, depresso, angusto ;
lunula nulla ; superficie interna purpurea ; dentibus lateralibus
minutissime rugulosis haud autem crenatis, antico brevi et
subapproximato; sinu palli angustissimo, satis profundo
arcuato.

Cyrena placens, Han/ey, Proc. Zool. Soc. 1844, p. 160; in Wood,
Ind. Test. Suppl. 2. pl. 14. f. 52.

Hab. Honduras.

36. CYRENA TRIANGULA.

C. testa trigona, subzquilaterali, sub epidermide fusca lzeviuscula,
alba ad utrumque latus violacea ; umbonibus prominulis, inte-
gris ; margime dorsali utroque zeque ac ventrali parum arcuatis ;
dentibus cardinalibus tribus, lateralibus brevibus, lzevibus ; pa-
gina interna utroque latere violacea; sinu pallii angustissimo,
'triangulari, acutissimo, profundé intrante.

Cyrena triangula, PAil. Abbild. Conch. p. 8. no. 3. pl. 2. f. 3.
Hab. ?

37. CvRENA FoNTAINEI. B.M.

C. testa ovato-trigona, compressa, concentricé striata, brunneo-
viridescente, intus violacea; latere antico brevi, subrotundato ;
latere postico producto, angulato, subsinuato ; deutibus ecardi-
nalibus tribus; dentibus lateralibus erectis, simplicibus, an-
gustis, posticali paulo longiore; nymphis elongatis, angustis ;
sinu pallii angustissimo cuneiformi.

Cyclas Fontainei, D'Orb. Voy. en Amér. p. 569. pl. 83. f. 14, 15.
Hab. America centralis.

38. CYRENA ARCTATA.

C. testa trigona, inflata, cordiformi, solidissima, valde inzequila-
terali, transversim regulariter striata, epidermide atro-virente,
nitente, vestita, intusalba, szepius impressionibus museularibus
violaceis; umbonibus magnis turgidis, obliquis; latere antico
brevi, declivi, rotundato, postico attenuato, subtruncato, angulo
decurrente obtuso cireumscripto, area lunulaque l:evigatis ;
cardine angusto, brevi, crasso, dentibus primarii tribus in-
cqualibus parvis, approximatis, simplicibus; dentibus latera-
libus erassis, subzequalibus, prominenübus.

Cyrena aretata, Desh. Proc. Zool. Soc. 1854.
Hab. Maracaibo. Coll. Cuming.

254 BIVALVE SHELLS.

39. CYRENA SOLIDA. B.M.

D. testa cordata, trigona, turgida, solidissima, insxquilaterali ;
strus transversis confertis; epidermide nigricante; dentibus
lateralibus abbreviatis, integris.

Cyrena solida, PAil. Abbild. Conch. p. 78. pl. 1. f. 9.

Hab. Provincia Nicaraguensis Americze meridionalis.

40. CYRENA RADIATA. B.M.

C. testa rotundato-cordata, crassa, solida, inzequilaterali, tumida,
subnitida, concentricé et subimbricatim sulcata; epidermide
olivaceo-fuscescente, et marginem convexum aut subareuatum
versus, luteo-virescente radiisque nigrescentibus ornata; mar-
eine dorsali postico declivi, eonvexiusculo; lunula nulla; na-
tibus acutis, incurvatis, integris ; ligamento parum prominente ;
superficie interna purpurea; dentibus lateralibus distinctis,
brevibus, minutissime rugulosis (haud crenatis autem), antico
approximato.

Cyrena radiata, Hanley, Proc. Zool. Soc. 1844, p. 159;
Hab. In fluviis et stagnis Americz centralis.

41. CvyRENA CAROLINIENSIS. B.M.

C. testa orbiculato-trigona, parum inzquilaterali, turgida, alba,
tenui; epidermide olivaceo-viridi vel fuscescente concentricé
tenue lamellata ; umbonibus ssepius erosis, obtusis, prominulis,
vix obliquis; marginibus dorsali antico et postico atque ven-
trali feré zqualiter convexis; cardine angusto, utrinque tri-
dentato; dentibus lateralibus brevibus obtusis, remotis, lzevi-
bus; sinu pallii angustissimo, acutissimo, obliqué ascendente.

Cyclas Caroliniana, Bosc, Hist. nat. des Coq. ii. pl. 18. f. 4.
Blainv. Dict. Sc. Nat. xn. 2/4. i:
Hanley, Descr. Cat. p. 92; in Wood, Ind. Test. Suppl. 2.
pl. 14. f. 56.
DeKay, Zool. de New York, v. 226. pl. 25. f. 266.
Cyrena Carolinensis, Lamk. An. s. Vert. v. 553. no. 9.
Say, Amer. Cycl. pl. 62.
Polymeroda Caroliniana, Rafin. Ann. Gen. Sci. Nat. Bruz. 1820,
Y. 319.

Hab. America septentrionalis in fluminibus Carolinz.

BIVALVE SHELLS. 255

II. Cyrene anomales.
a. Testa ovata, turgidula.

429. CYRENA JEQUILATERALIS. B.M.

C. testa trigona, depressiuscula, :quilaterali ; lateribus subsqua-
libus ; epidermide squalide fusca vel griseo-fuscescente, striata,
posticé squamosa; latere antico paulo breviore et posticali
rectilineis, inferiore parum arcuato; umbonibus parvis,depressis,
oppositis, approximatis; latere postico plano, angulo obtusis-
simo circumdato ; valvis tenuibus, intus albis, in fornice pallide
aurantiis; cardine angustissimo, tridentato; dentibus parvis,
inzqualibus, divaricatis, duobus in valvula sinistra bifidis ;
dentibus lateralibus parvis, remotis ; fossula valvse sinistrze an-
guste canaliculata usque ad basin dentis antici.

Cyrena zquilateralis, Desh. Proc. Zool. Soc. 1854.
Hab. In nivulis circa Cayanam Americze meridionalis.

43. CYRENA SORDIDA.

C. testa suborbieulari, crassa, subinszquilaterali, ventricosa aut
tumida; epidermide olivaceo-fuscescente et marginem ven-
tralem convexum versus, luteo-virescente, concentricé rugulosa ;
margine dorsali postico, convexiusculo, declivi; natibus erosis,
satis prominentibus; ligamento subinfosso; lunulanulla; su-
perficie interna albida; dentibus lateralibus brevibus obtusis,
antico magis approximato.

Cyrena sordida, Hanley, Proc. Zool. Soc. 1844, p. 159 ; in Wood,
Ind. Test. Suppl. 2. pl. 14. f. 51.

Hab. America septentrionalis ( Hanley).

44. CYRENA INSIGNIS.

C. testa ovato-cordiformi, turgida, crassiuscula, inzquilaterali,
epidermide fusco-virente multilaminosa vestita, lamellis crispis
multo numerosioribus ad margines; umbonibus magnis, tu-
midis, decorticatis, parum obliquis, oppositis; latere antico
paulo breviore, laté rotundato, postico lato, truncato, obtuse
angulato; cardine angusto, crasso, tridentato ; dentibus inz-
qualibus, divergentibus ; lateralibus inzequalibus, antico majore,
conico, basi ovali, postico remoto angusto ; valvis intus albis,
latere postico violaceo ; sinu pallii angustissimo, acutissimo,
profundo, obliqué ad umbones ascendente.

Cyrena (anomala) insignis, Desh. Proc. Zool. Soc. 1854.
Hab. Sinus Californiensis. Coll. Cuming.

9256 BIVALVE SHELLS.

45. CYRENA SUBQUADRATA.

C. testa ovato-subquadrangulari, transversa, inzequilaterali, tu-
mida, solidiuseula, transversim tenué et irregulariter striata,
strüs obsoletis; epidermide viridi-flavescente, ad margines
multilaminosa vestita; umbonibus depressiusculis, decortica-
tis, parum obliquis ; latere antico superné parum dilatato,
anticé obliqué subtruncato, posticé superné leviter arcuato,
obliqué laté truncato, inferné angulato, cardime satis lato, tri-
dentato, dentibus angustis, approximatis, divergentibus; late-
ralibus inzequalibus, antico crasso, conico, brevi, postico an-
gustiore remoto; valvis intus albis, in margine postico vio-
laceis.

"Cyrena subquadrata, Desh. Proc. Zool. Soc. 1854.
Hab. Cahforma. Coll. Cuming.

46. CYRENA NITIDULA.

C. testa ovato-transversa, turgidula, tenui, fragili, inzequilaterali,
transversim tenué et obsoleté striata, epidermide viridi subni-
tente tenuissimó laminosa vestita; umbonibus tumidiusculis,.
acutis, oppositis, latere antico paulo breviore obtuso, postico
superné declhvi, parum attenuato, rotundato vel subtruncato ;
cardine angustissimo, dentibus primarüs tribus inzequalibus,
angustissimis, divergentibus, majoribus apice anguste fissis,
lateralibus sub:zequalibus, distantibus, minimis, in valva dextra
duplicatis, antico crassiore ; sinu pallii brevi, triangulari, acuto ;
valvis intus pallide violaceis, ad margines saturatioribus.

Cyrena (anomala) nitidula, Desh. Proc. Zool. Soc. 1854.
Hab.

? Coll. Cummg.

47. CYRENA NOTABILIS.

C. testa ovato-transversa, subquadrilateralis, depressiuscula, inz-
quilaterali, transversim. tenue et irregulariter striata, albo-lu-
tescente, sub epidermide tenui, fuscescente; latere antico brevi,
obtuso, postico laté truncato, superiore et imferiore rectis, par-
allelis; umbonibus obliquis integris, approximatis ; lggamento
elongato, cylindraceo producto; valvis intus albo-lutescentibus,
in latere postico macula intensé violacea, intus extusque no-
tatis; cardine tridentato, dentibus inzequalibus, obliquis, di-
varicat:s, dente laterali antico parvo, conico, acuminato, postico
obsoleto remotissimo. .

Cyrena notabilis, Desh. Proc. Zool. Soc. 1854.
Hab. Ad oras Peruvianas ostia fluviorum.

BIVALVE SHELLS. 257

48. CYRENA OBLONGA.

C. testa ovato-transversa, turgidula, tenui, inzequilaterali, postice
subangulata; intus albo-ezrulea, extus fusca, tenué striata ;
cardine angusto, tridentato ; dente laterali antico obsoleto,
postical: producto.

Cyrena oblonga, Quoy & Gaim. Voy. de l' Astr. Moll. pl.82.f.6,7,8.
Hanley, Descr. Cat. p. 94; in Wood, Ind. "lest. Suppl. 2.
pl. 14. f. 53.

Hab. Insula Vanikorensis.

49. CvRENA FLoniDANA.

C. testa ovato-trigona, transversa, turgida, inzequilaterali, tenui,
fragili, substriata, epidermide squalide fusco-virescente vestita ;
umbonibus tumidis, acutis, oppositis, decorticatis, latere antico
breviore, paulisper attenuato, obtuso, latere postico subangu-
lato, subtruncato; cardine angusto, inzqualiter tridentato,
dentibus majoribus binis apice bilobaüis, lateralibus minimis
inzqualibus elongatis, antico obtusiore, postico remoto; im-
pressione pallii posticé sinuosa, sinu angusto triangulari, apice
acutissimo ; valvis intus pallide violaceis.

Cyrena Floridana, Conrad, Proc. Acad. Nat. Sc. of Phil. ii. 1846,
p:25. pL. 1. f..1.

Hab. Mazatlan et ostia fluviorum Floridarum.

b. Testa tenuis, rotundata, cordiformis.

50. CYRENA ANOMALA.

C. testa trigona, valde inflata, cordiformi, valde inzquilaterali,
tenui, fragili, transversim tenue et obsoleté striata, epidermide
viridi tenué striata induta, striis ad margines et posticé lami-
noso-crispis; umbonibus magnis, acutis, revolutis, oppositis,
violaceis ; latere antico breviore, laté semicirculari, postico at-
tenuato, conico, rostrato, acuminato; area plana angulo obtu-
sissimo circumscripta; cardime angustissimo, dentibus tribus
primariis minimis, approximatis, subzequalibus, divergentibus,
mediano profundé fisso; dentibus lateralibus sub:equalibus,
distantibus, compressis, laminatis, in valva dextra duplicatis,
antico suleo profundo margine separato.

Cyrena anomala, Desh. Proc. Zool. Soc. 1854.
Hab. Sinus Caraccasensis et ad oras Peruvianas. Coll. Cum.

51. CvnENA Cuurxarir.
C. testa ovato-subtrigona, in:xquilaterali, tumida, cordiformi,

258 BIVALVE SHELLS.

satis solida, transversim inzqualiter tenuissimé striata, epider-
mide fusco-virescente, inferné lamellosa vestita; umbonibus
magnis, prominentibus, oppositis, decorticatis, approximatis,
latere antico brevi, laté rotundato, postico attenuato, superne
declivi, extremitate truncato, angulo obtuso decurrente cir-
cumsceripto ; cardine angusto, in medio paulo latiore; dentibus
tribus primariis inzequalibus approximatis angustis, apice pro-
fundé bifidis, lateralibus magnis zequidistantibus, antico paulo
majore, conico, acuto; valvis intus candidissimis.

Cyrena (anomala) Cumingii, Desh. Proc. Zool. Soc. 1854.
Hab. America centralis. Coll. Cuming.

52. CvRENA IsocARDIOIDES.

C. testa orbiculato-subtrigona, inzequilaterali, turgida, cordiformi,
tenui, fragili, tenuissimé transversim inzqualhter striata, epi-
dermide olvaceo-nigrozonulata, vestita; umbonibus magnis,
subinvolutis, oppositis, atro-violaceis ; latere antico regulariter
laté semicirculari, postico superné declivi, attenuato, subros-
trato; area plana, ovato-lanceolata, angulo lato obtuso de-
currente circumscripta; cardine angustissimo, dentibus pri-
mariis tribus minutissimis, approximatis, subzequalibus, duobus
anticis parallelis, postico divaricato ; dentibus lateralibus mini-
mis, subzquidistantibus, margime sulco angusto profundo
separatis, in valva dextra duplicatis ; pallii impressione margine
inferiore proxima ; valvis intus albis, utroque latere violaceo
maculatis.

Cyrena (anomala) Isocardioides, Desh. Proc. Zool. Soc. 1854.
Hab. Columbia occidentalis. Coll. Cuming.

53. CYRENA MARITIMA.

C. testa orbiculato-cordiformi, subzquilaterah, turgida, tenui,
transversim irregulariter et densé striata, epidermide viridi-
fuscescente induta; umbonibus magnis, parum obliquis, ap-
proximatis, acutis, lxvigatis, latere antico superné declivi,
convexiuseulo, in medio parumper attenuato et obtuso, postico
breve truncato; area magna convexa, ovata, angulo obtuso
decurrente circumdata; cardine angusto; dentibus primariis
tribus, minimis, subzequalibus approximatis, apice bifidis diver-
gentibus, lateralibus zequaliter remotis, in valva dextra du-
plieatis, antico usque ad cardinem canaliculato.

Cyrena maritima, Adams, Panama Shells.
Cyrena (anomala) maritima, Desh. Proc. Zool. Soc. 1854.

Hab. Panama. Coll. Cuming.

BIVALVE SHELLS. 259

54. CYRENA CORDIFORMIS.

C. testa cordiformi, inflata, concentricé tenu? striato-sulcata, sub
epidermide obscuré viridi-alba; umbonibus purpureis, pro-
minentibus, anticé reflexis, et conniventibus; area purpureo
bizonata, externé angulo circumdata, basi parum emarginata ;
lunula obsoleta; dentibus cardinalibus tribus divergentibus,
duobus anterioribus parum emarginatis ; dente laterali angusto,
robusto, cardinalibus approximato; postico lamelliformi, re-
moto.

Cyrena cordiformis, Recluz, Journ. de Conch. 1853, p. 251. pl. 7.
£9.
Cyrena (anomala) cordiformis, Desh. Proc. Zool. Soc. 1854.

Hab. ?

55. CvRENA PERUVIANA.

C. testa orbiculato-trigona, turgida, cordiformi, subzequilaterali,
tenui, fragili, transversim tenuissimé striato-punctata; umbo-
nibus magnis, prominentibus, oppositis, integris ; latere an-
tico paulo breviore, laté semicirculari, postico declivi, attenuato,
acuminato; cardine angustissimo, dentibus tribus primariis
subszqualibus, minimis, compressis, divergentibus, majoribus
apice profundé fureatis, lateralibus angustissimis, laminatis,
sequalibus, distantibus, margine sulco angusto profundé sepa-
ratis; valvis intus albo-flavis, posticé squalide violaceis.

Cyrena (anomala) Peruviana, Desh. Proc. Zool. Soc. 1854.
Hab. 'Tumbez in littore Peruviano. Coll. Cuming.

56. CYRENA SALMACIDA.

C. testa inzquilaterali, ovali, anticé rotundata, latere postico
produetiore, subrostrato, transversim tenuiter sulcata, albes-
cente vel carnea, stramineo vel exruleo nebulosa ; umbonibus
fulvo-rubellis et fascia laté diluta concolore cireumdata; cardime
stricto; dentibus primariis tribus minutis; lateralibus duobus
elongatis, tenuibus.

Cyrena salmacida, Morelet, Test. Nov. Cub. pt. 2. p. 26. no. 150.
Hab. ?

57. CYRENA ANGULATA.

C. testa trigona, turgidula, zequilaterali, solidula, lzvigata; epi-
dermide squalide fuscescente vestita; umbonibus minimis, de-
pressis, oppositis, latere antico atque postico zqualiter con-

960 BIVALVE SHELLS.

vexiusculis et declivibus; latere antico obtuso, subangulato,
postico angulato, subrostrato; margine inferiore ventricoso;
cardine angusto, dentibus primarüs tribus minimis, angustis,
duobus majoribus profundé apice fissis; dentibus lateralibus
inzqualibus compressis, antico magno, acuto, triangulari;
valvis intus albis seu roseo superné tinctis.

Cyrena (anomala) angulata, Desh. Proc. Zool. Soc. 1854.
Hab.

? Coll. Cuming.

58. CYRENA INFLATA. B.M.

C. testa orbiculato-subtrigona, cordiformi, inflata, imzquilaterali,
tenui, transversim tenué et inzqualter striata, epidermide
squalide fuscescente breviter laminosa vestita; umbonibus
magnis, prominentibus, oppositis, approximatis; latere antico
breviuseulo, superné concaviusculo, anticé producto et obtuso,
latere postico latiore, obliqué truncato, angulo obtuso decur-
rente cireumscripto; cardine angustissimo, dentübus tribus
primarüs inzqualibus minimis divergenübus, postico valvz
dextre majori profundé fisso, dentibus lateralibus subzequali-
bus, 1n valva dextra duplicatis, antico paulo crassiore.

Cyrena (anomala) inflata, Desh. Proc. Zool. Soc. 1854.

Hab. Panama. Coll. Cuming.

III. Species incerte.

59. CvRENA MExICANA.

C. testa elliptica, ventricosa, utrinque rotundata, anticé breviore ;
dentibus parvis, obtusis.

Cyrena Mexicana, Brod. & Sow. Zool. Journ. iv. 364.
Hab. Prope Mexicum.

60. CYRENA DEPRESSA.

C. testa lentieulari-trigona, compressa, sulcis doliaribus cincta,
albida; epidermide fulva; natibus decorticatis.

Encycl. pl. 302. f. 3.

An Venus borealis? Gmel. p. 3285.

Chemn. Conch. t. 39. £. 412-414?

Cyrena depressa, Desh. Lamk. An. s. Vert. ed. 2. vi. 275. no. 8.

Hab. ?

BIVALVE SHELLS. 261

B. Dentes cardinales 2 * 2, divergentes, dentes laterales compressi,
leves. "Testa tenuis. Spheriina.

Genus 5. SPHZERIUM.

Animal ovato-transversum, :zquilaterale, crassum ; pallium ad
margimes simplex, anticé imfernéque apertum, posticé clausum,
tracheis binis, brevibus, simplicibus, basi connatis, apice divarica-
tis terminatum ; appendices labiales breves, angustz. — Pes elon-
gatus, angustus, gracilis, in medio subangulatus. Branchiz late,
subzequales, posticé conjunctze.

Testa tenui, ovato-transversa, convexa, sub:quilaterali ; cardo
angustus, in plerisque utroque latere bidentatus ; dentibus cardi-
nalibus brevibus ; dentibus lateralibus elongatis, compressis,
lamelliformibus ; impressio pallii simplex ; ligamentum externum
elongatum, angustum.

Spherium, Scopoli (1777), Introd. ad Hist. Nat. p. 397.
Gray (1847), Proc. Zool. Soc. p. 184; (1851) Ann. Nat. Hist.
xk d9.
Cyclas, Brug. (1792) Enc. Méth. pl. 301.
Lamk. (1799) Soc. d'Hist. Nat. de Paris, p. 84; (1801)
Syst. An. s. Vert. p. 123; (1818) 4m. s. Vert. v. 559.
Gray (1840) in 'Turt. Conch. ed. 2. p. 279.
Cornea, Megerle (1811), Entwurf. p. 56.
Corneocyclas, Féruss. (1818) in Blainv. Dict. Sc. Nat. xi. 277.
Phymisoda or Phymeroda (lacustris), Rafin. (1820) Ann. Gen. Sci.
Nat. Brux. 1820, v. 319.
Amisoda or Ameroda (similis), Rafin. (1820) Ann. Gen. Sci. Nat.
Brua. 1820, v. 310.
Nux, Humphrey (1796), Mus. Calon. Cat. p. 59.
Tellina(sp.), Lznn. (1758) Syst. Nat. ed. 10. p. 678 ; (1767) ed.12.
, H2.
dédidites (sp.), Da Costa (1778), Conch. Brit. p. 173.

l. Species Europeane.

]l. SPHJERIUM RivVICOLA. B.M.

S. testa subovali, ventricosa, solidiuscula, eleganter striata, striis
elevatis, confertis; fusco-virescente, fasciis aliquibus saturatiori-
bus; margine inferiore szpius lutescente; intus czrulescente ;
umbonibus tumidis, obtusis, pallidioribus ; margine superiore
anticé lunula, posticé fissura distincté impressa, ligamento
conspicuo.

Tellina cornea (var. B), Schrót. Flussconch. p. 189. pl. 4. f. 4.
Mat. &; Rack. Trans. Linn. Soc. vin. 59.

262 BIVALVE SHELLS.

Cyclas cornea (var. A), Drap. Tab. des Moll. p. 105. no. 1 ; Hist.
des Moll. de France, p. 128. no. 1. pl. 10. f. 1-3.
Cyclas rivicola, Leach teste Lamk. et Lamk. An. s. Vert. v. 558.

Blainv. Dict. Sci. Nat. xi. 279.

Pfeiffer, Syst. Anord. p. 121. no. 2. pl. 5. f. 3-5.

Turt. Conch. Ins. Brit. p. 248. no. 1. pl. 11. f. 13; Manual,

p.112. pi--1. f. 1.

Sow. Gen. of Shells, Cyclas, f.

Jenyns, Trans. Cambr. Phil. Soc. iv. 294.

Gray, Turt. Manual, ed. 2. p. 2/9. no. 112. pl. 1. f. 1.

Desh. Traité élém. de Conch.1. /12. pl.17. f. 8-10.

Reeve, Conch. Syst. i. pl. 62.

Forbes & Hanley, Hist. of Brit. Moll. ii. 111. pl. 37. f. 1,2,

et pl. Q. f. 1.

Dupuy, Hist. nat. des Moll. de France, p.665.no.1.p1.29. f. 3.
Var. B. sabulicola, Krynicki, Conch. Imp. Rossici, p. 10.
Cyclas zquata (junior) Sheppard MSS. teste Gray, in Turt.

Man. ed. 2. p. 280.

Hab. Europa; Anglia, etc.

2. SPHJERIUM LACUSTRE. B.M.

S. testa orbiculato-rhombea, subovali vel orbiculari, compressa,
tenui, diaphana, tenuiter striata; ccrulescenti-alba, zona mar-
ginali lutescente, apice nigricanti ; natibus acutiuseulis tuber-
culosis, aliquantisper prominentibus, subinflexis; ligamento
inconspicuo.

Tellina, Berl. Mag. iv. pl. 11. f. 63? (teste Müller).
Tellina lacustris, Müll. Verm. Hist. n. 204. no. 388.
Chemnu. Conch. vi. 139. pl. 13. f. 135.
Cardium lacustre, Mont. Test. Brit. p. 89. no. 16.
Cyclas calyculata, Drap. Moll. terr. et fluv. de France, p. 130.
pl. 10. f. 14, 15.
Pfeiffer, Syst. Anord. p. 122. no. 4. pl. 5. f. 17, 18.
Jenyns, Trans. Cambr. Phil. Soc. iv. pt. 2. p. 298. no. 3.
L9 T.
"i parte), Dupuy, Hist. nat.des Moll.de France, p.672. pl. 24.
I.M

Tellina tuberculata, Alten, Syst. Abhand. p. 4. pl. 1. f. 1.
Tellima tenera, Schrank in Gürtner Versuch Einer Syst. p. 316.
n. 2.
Cyclas laeustris, Turt. Conch. Ins. Brit. p. 249. no. 3. pl. 11. f. 18.
Forbes & Hanley, Brit. Moll. Atlas, pl. 37. f. 7. pl. O. f. 7.
Tellina stagnicola, Sheppard, Trans. Linn. Soc. xiv. pt. 1. p. 150.
no. 2

BIVALVE SHELLS. 263

Àn eadem species? Cyclas calyculata, Adams, Moll. of Middle-
burg, Amer. Journ. p. 2/7. April 1841.

Hab. Europa; Anglia, etc.

3. SPHJIERIUM CONSOBRINUM. B.M.

S. testa orbiculato-subrhombea, compressa, tenui, subinzequila-
terali, pellucida, tenuiter striata, cinerea vel lutescente ; latere
postico latiore, subtruncato, antico rotundato ; marginibus
acutis; umbonibus convexis, depressiusculis.

Cyclas lacustris, Draparn. (non Müll.) Hist. nat. des Moll. p. 130.
pl. 10. f. 6, 7.

Lamk. An. s. Vert. v. 559. no. 3.

Pfeiffer, Syst. Anord. p 122. no. 3. pl. 5. f. 6, 7.

Turt. Manual, p. 14. no. 4. pl. 1. f. 4.

Dupuy, Hist. nat. Moll. de France, p. 671. no. 7. pl. 29. f. 7.

Cyclas consobrina, Féruss. in Blainv. Dict. Sci. Nat. 1818,x11.279.

Hab. Europa; Angli, etc.

4. SPHIJERIUM CORNEUM. B.M.

S. testa globosa, ventricosa, tenui, tenerrime striata, virescenti-
fusca, zona lutescente submarginali; umbonibus obtusis ; den-
tibus eardinalibus minimis, binis in sinistra, unico in valva
dextra, lateralibus elongatis; ligamento inconspicuo.

Lister, Syn. Conch. pl. 159. f. 14. A ; 4n. Angl. p. 150. pl. 2. f. 31 ;
App. Hist. An. Angl. p. 14. pl. 1. f. 5-16.
Tellina cornea, Linn. Syst. Nat. ed. 12. p. 1120. no. 72.
(ex parte), Schrót. Flussconch. p. 189. no. 11. pl. 4. f. 4,5.
Chemn. Conch. vi. 156. pl. 13. f. 133.
Mat. & Rack. Linn. Trans. in. pl. 13. f. 39, 40.
Wood, Ind. Test. pl. 5. f. 90; Gen. Conch. p. 196. no. 90.
pl. 46. f. 3.
Tellina rivalis, Müll. Verm. Hist. ii. 202. no. 387 ; Zool. Dan.
Prodr. p. 246. no. 2965.
ri UT corneum, Scopoli, Intr. ad Hist. Nat. p. 397. no. 88.
(1777).
AS d Nux, Da Costa, Test. Brit. p. 173. pl. 13. f. 22.
Nux nigella, Humphrey, Mus. Calonn. p. 59. no. 1088.
Cyclas cornea (ex parte), Drap. Tab. Moll. p. 105. no. 1. var. B.
Lamk. An. s. Vert. v. 558. no. 2.
Pfeiffer, Syst. Anord. p. 120. no. 1. pl. 5. f. 1, 2.
Turt. Conch. Ins. Brit. p. 248. no. 2. pl. 11. f. 14; Man. of

Land & Freshw. Shells,p. 13. no.2. pl.1. f. 2; ed. 2. p. 280.
pl. 1. f. 2.

264 BIVALVE SHELLS.

Cyclas cornea (ex parte), Jenyns, Cambr. Phil. Soc. iv. 295.

Phil. Enum. Moll. Sicil. n. 30. no. 1.

Forbes & Hanley, Hist. of Brit. Moll. 1. 113. pl. 37. f. 3-6.
Cardium corneum, Mont. Test. Brit. p. 86. no. 14.

Cardium amnicum, Pulteney, Cat. Dorset, p. 31.
Cyclas rivalis, Drap. Hist. des Moll. p. 129. pl. 10. f. 4, 5.

Dupuy, Hist. nat. Moll. de France, p. 668. no.4. pl. 29. f. 5.
Tellina communis, Megerle in Berl. Mag. 1811 (teste Górt.).
Cyclas nucleus, Studer in Charp. Cat. des Moll. de la Suisse, p. 25.

no. 130.

Dupuy, Hist. nat. des Moll. de France, p. 668. pl.29. f. 4 bis.
Cyclas tumida, Ziegler MSS. et Férussac, Cat. de sa Coll. p. 20.
Cyclas stagnicola, Leach, Brit. Mus. teste Gray.

Cyclas Leachi, Ziegler MSS. in Villa, Disp. Syst. Conch. p. 44.
Cyclas plumbeus, Villa, loc. cit. p. 44.
Cyclas Sealdiana, Normend, Not. sur Cyclades, p. 5. f. 1, 2.

Dupuy, Hist. nat. Moll. de France, p. 669. no. 5.

Cyclas flavescens, Macgilliv. Moll. Anim. of Scotl. p. 208. no. 1.
Pisidium cornea, Verani, Cat. degli An. Invert. p. 13.
Cyclas citrina, Brown, Ill. Conch. G. Br. p. 132. pl. 37. f. 57.

Hab. Europa; Anglia, etc.

5. SPHzRIUM RvcknHorriri.

S. testa orbiculata, inzequilateralh, superné inflata, inferné com-
pressa, tenui, subtilissimé striata, griseo-glaucescente, sspe
luteo-marginata; natibus elevatis; hgamento subinconspicuo,
cardine arcuato; dentibus parvulis. |

Cyclas Ryckholtii, Normand, Notice sur quelq. Cycl. p. 7. no. 3.
HNGNE OR

Hab. Cirea Valentiniana.

6. SPHiERIUM TERVERIANUM.

S. testa rotundato-subrhomboidea et inflata ; umbonibus elevatis
subrevolutis, et calyculatis; nitidissima, ex umbonibus ad mar-
gimem inferiorem eleganter radiata.

Cyclas Terveriana, Dupuy, Cat. Moll. extr. Mar. Gallie, no. 87 ;
Hist. nat. des Moll. de France, p. 674. no. 9. pl. 29. f. 9.

Hab. In paludibus circa Auch.

7. SPHZERIUM STEENBUCHII.

S. testa inzequilaterali, subtrigona, antice obtusa, ventricosa, lzvi,

BIVALVE SHELLS. 265

cinereo-]utescente; umbonibus prominentibus; sulcis incre-
menti 4-5.

Cycelas Steenbuchii, Moll. Ind. Moll. Grenl. p. 20.
Hab. Groenlandia.

8. SPHIERIUM SOLIDUM.

S. testa ovata, subglobosa, subzequilaterali, solida, striato-sulcosa,
pallide lutea; ligamento inconspicuo.

Cyclas solida, Normand, Notice sur plus. Cycl. p.6. no.2. f.3,4.
Hab. ln flumine Scaldiz.

2. India.
9. SPHuERIUM INDiICUM. B.M.

S. testa ovato-rhomboidea, tumidula, subzquilaterali, tenui, pel-
lucida, albo-grisea, latere antico laté rotundato, postico obtuse
truncato ; umbonibus tumidis, parum prominentibus ; cardine
obsoleté bidentato, dentibus lateralibus candidis, antico majore
trigono, acuto, postico paulo breviore ; valvis sub lente tenuis-
simé striatis.

. Sphzrium indicum, Des. Proc. Zool. Soc. 1854.

Hab. In fluviis Indiz.

3. Africa.
10. SPHzgRIUM CAPENSE. B.M.

S. testa ovato-orbicular, tumida, subglobosa, tenui, cornea,
eequilaterali, transversim tenuissimé striata ; extremitatibus ro-
tundatis, postice obtusiore ; apicibus marginibusque obtusis ;
dentibus cardinalibus minimis, lateralibus valvulze dextrze pro-
minentibus, acutis.

Cyclas Capensis, Krauss, Sudafr. Moll. p. 7. no. 1. pl. 1. f. 5.
Hab. Caput Bonz Spei.

4. .4merica septentrionalis.

1l. SPHAERIUM SIMILE. B.M.

S. testa ovato-transversa, tenui, tumida, zequilaterali, transversim
striata, obscuré castanea ; umbonibus brevibus, oppositis, ob-
tusis; margine inferiore parum convexo, ligamento vix con-
spicuo; valvis intus pallide ezruleis; dente cardinali unico in
utraque valva, dentibus lateralibus acutis, i valva dextra du-
plicatis.

12

266 BIVALYE SHELLS.

Cyclas similis, Say, Nichol. Encycl. Amer. ed. 4. pl. 1. f. 9.
Gould, Rep. Invert. p. 72. f. 53.
DeKay, Nat. Hist. New York, Moll. p.220. pl.25. f. 264,265.
Cyclas sulcata, Lamk. An. s. Vert. v. 560. no. 9 ; ed. 2. vi. 271.
Deless. Rec. de Coq. pl. 7. f. 3.
Cyclas Sarratogea, Lamk. An. s. Vert. v. 560. no. 1i; ed. 2. vi.
2/1.mo. 11.
Deless. Rec. de Coq. pl. 7. f. 9.

Hab. America septentrionalis.

12. SPHIERIUM PARTUMEIA. B.M.

S. testa suborbiculari, tumida, subzquilaterah, tenui, fragili,
cornea, tenuissimé transversim striata, et obsoleté radiata, an-
ticé rotundata, posticé subtruncata, umbonibus obtusis ele-
vatis, cardine obsoleté bidentato.

Cyclas partumeia, Say, Journ. Acad. Nat. Sc. 1. 380.
Gould, Rep. Inv. Mass. p. 73. f. 54.
Adams, Amer. Journ. Sc. xl. 279.
DeKay, Zool. New York, pt. 5. p. 223. pl. 25. f. 262.
C. eornea, var. 2, 3, Lamk. An. s. Vert. v. 558; ed. 2. vi. 268.
no. 2.

Hab. Respubliez Unitze Americz septentrionalis.

13. SPHIERIUM DUBIUM.

S. testa minima, solidiuscula, subtriangulari, obliqué subovata,
convexa, tenuissimé striata, olivacea, inferné flavescente fas-
ciata; umbonibus obtusis; dentibus lateralibus parvis.

Cyclas dubia, Say, Nichol. Encycl. Amer. ed. 4. pl. 1. f. 10.

C. dubia, Gould, Invert. of Mass. p. 75. f. 56.

DeKay, Zool. New York, pt. 5. p. 233. pl. 25. f. 261.

Hab. America septentrionalis.

14. SPHIERIUM RHOMBOIDEUM. B.M.

S. testa elongato-transversa, solida, subzequilaterali, rhomboidea,
viridi-olivacea, polita, tenuissimé striata; umbonibus obtusis,
contiguis, s:wpius decorticatis, dentibus lateralibus angustis
extremitate bipartitis.

Cyclas rhomboidea, Say, Journ. Phil. i1. 380.
Adams, Amer. Journ. Sc. xl. 277.
DeKay, Zool. New York, pt. 5. p. 224. pl. 25. f. 263.

Hab. In lacu Champlain dicto Americz septentrionalis, Ohio.

BIVALVE S$HELLS. 267

15. SPHIERIUM STRAMINEUM.

S. testa ovata, regulariter convexa, subzquilaterali, anticé pos-
ticéque szequaliter convexa, fusco-virescente irregulariter sub-
striata; umbonibus inflatis, obtusis vix prominentibus.

Cyclas straminea, Conrad, Amer. Journ. xxix. 342. pl. 1. f. 5.
Müll. Syn. Test. Viv. p. 220. no. 1.
DeKay, Zool. New York, pt. 5. p. 225.

Hab. In rivulis Alabamensibus.

16. SPHIERIUM TRANSVERSUM.

S. testa transversim oblonga, subovata, subsequilaterali, viridi,
substriata, antice rotundata, posticé angnepiore ; ; umbonibus
obtusis vix prominentibus.

Cyclas transversa, Say, Descr. Land and Freshw. Shells, p. 10.
DeKay, Zool. New York, pt. 5. p. 225.

Hab. Kentucky, Americz septentrionalis.

17. SPHIERIUM GIGANTEUM.

S. testa maxima, crassa, solida, subovata, complanata, zequilate-
rali, elongata, posticé abrupta; umbonibus magnis, non ele-
vatis.

Cyclas gigantea, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 157.
Hab. In Pennsylvaniz fluvius.

18. SPHIERRIUM EMARGINATUM.

S. testa magna, crassa, globosa, tumida, obliqua, posticé sub-
truncata, izequilaterali, triangulari, epidermide olivacea, tenui-
ter striata; umbonibus tumidis, magnis, marginibus abruptis ;
dentibus crassis.

Cyclas emarginata, Prime, Proc. Bost.Soc.Nat. Hist.1852, p. piss
Hab. In lacu Superiore, Americz septentrionalis.

19. SPHIERIUM TENUISTRIATUM.

S. testa subglobosa, complanata, brevi, sub:equilaterali, postice
dilatata, tenuiter striata; umbonibus perelevatis; dentibus
parvis.

Cyelas cornea, Adams (non Lamk.), Cat. of Shells in his Cabinet,
1847.
Cyclas tenuistriata, Prime, Proc. Bost. Soc. Nat. Hist.1852,p. 156.

Hab. In fluvio Tennessee dicto, Amerieze septentrionalis.
*

268 BIVALVE SHELLS.

20. SPHIERIUM PONDEROSUM.

S. testa magna, crassa, solida, brevi, subglobosa, inzequilaterali,
posticé acuta, lineis incrementi fortiter instructa; umbonibus
rotundatis, approximatis ; dentibus crassis.

Cyclas ponderosa, Prime, Proc. Bost. Soc. Nat. Hist.1859, p. 157.
Hab. In lacu Superiore, Americze septentrionalis.

21. SPHIERIUM CARDISSA.

S. testa globosa, ventricosa, tenui, fragili, subzequilaterali ; um-
bonibus magnis, rotundatis, approximatis.

Cyclas cardissa, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 160.
Hab. Massachusetts.

29. SPHJERIUM GRACILE.

S. testa magna, tenui, fragili, subglobosa, complanata, subzequi-
laterah, elongata, postice brevi, alba, nmtida, tenuiter striata ;
umbonibus rotundatis, approximatis; dentibus cardimalibus
parvis, lateralibus acutis, elongatis.

Cyclas gracilis, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 156.
Hab. In fluvio Ohio dicto, Americz septentrionalis.

23. SPHIERIUM AUREUM.

S. testa magna, solida, crassa, elongata, globosa, complanata, sub-
inzquilateral, posticé subtruncata, lmeis icrementi fortiter
instructa ; umbonibus magnis, perelevatis; dentibus fortibus.

Cyclas aurea, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 159.
Hab. In lacu Superiore, Americze septentrionalis.

24. SPHIERIUM FLAVUM.

S. testa compressa, subovata, fragili, inzequilaterali, epidermide
flava, striis concentricis mstructa, posticé dilatata; umbonibus
parvis, depressis.

Cyclas flava, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 155.
Hab. In lacu Superiore, Americz septentrionalis.

25. SPHJERIUM SECURIS.

S. testa parva, rhomboidea, posticé abruptissima, subzequilaterali,
natibus elevatissimis ; dentibus cardinalibus minutis, laterali-
bus elongatis, fortibus.

BIVALVE SHELLS. 269

Cycelas securis, Prime, Ann. of Lyc. of New York, 1852, p. 218.
pl. 6; Proc. Bost. Nat. Hist. Soc. 1852, p. 160.

Hab. ln fluviis Massachusettsensibus.

26. SPHIERIUM ALBULUM.

S. testa magna, crassa, obliqua, subglobosa, tumida, complanata,
subzquilaterali posticé acuta, flava, strüis concentricis in-
structa; umbonibus magnis, non elevatis.

Cyclas albula, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 155.
Hab. In lacu Superiore, Americze septentrionalis.

97. SPHJERIUM SOLIDULUM.

S. testa solida, brevi, crassa, compacta, subglobosa, inzequilaterali,
posticé elongata, stris incrementi fortiter et regulariter in-
structa; umbonibus rotundatis, non approximatis, dentibus
cardinalibus parvis, lateralibus acutis, crassis.

Cyclas solidula, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 158.
Hab. In fluvio Ohio, Americz septentrionalis.

98. SPHJERIUM FABALE.

S. testa depressa, crassa, solida, elongata, posticé brevi et subtrun-
cata, epidermide fusca, striis incrementi fortiter instructa, um-
bonibus parvis, non elevatis.

Cyclas fabalis, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 159.
Hab. In lacu Superiore, Ameriez septentrionalis.

29. SPHIERIUM MIRABILE.

S. testa. tenui, fragili, subovata, subzquilaterali, postice abruptis-
sima ; umbonibus parvis, elevatis.

Cyclas mirabilis, Prime, Proc. Bost Soc. Nat. Hist. 1852, p. 157.
Hab. In fluminibus Georgiz.

30. SPHIERIUM ELEVATUM.

S. testa orbieulari, substriata, fusco-olivacea; umbonibus pro-
minentibus; dentibus eardinalibus prominentibus, lateralibus
crassis.

Cyclas elevata, Haldeman, Proc. Acad. Sc. 1841.
DeKay, Zool. New York, pt. 5. p. 225.

Hab. Nova Aurelana.

270 BIVALVE SHELLS.

3l. SPHJERIUM ELEGANS. B.M.

S. testa orbiculato-rhomboidea, tenui, tumida, subszquilaterali,
tenué et eleganter striata, nitide olivacea, inferné flavescente ;
umbonibus obtusis, vix prominentibus ; ligamento incon-
spicuo.

Cyclas elegans, Adams, Moll. of. Middl. Amer. Journ. xl. 277 ;
Bost. Journ. Nat. Hist. n. pl. 3. f. 11.

Gould, Rep. Invert. of Mass. p. 74. f. 55.
DeKay, Zool. New York, pt. 5. p. 224.

Hab. Respubhez Unite Ameriez septentrionalis.

32. SPHJERIUM JAYENSE (JAYANUM).

S. testa pellucida, fragili, brevi, globosa, subzequilaterali, trans-
versé rotundata, posticé abruptissima, alba, mitida, tenuiter
striata; umbonibus magnis, elevatis.

Cyclas Jayensis, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 157.
Hab. In lacu Superiore, Ameriez septentrionalis.

33. SPHJERIUM ROSACEUM.

S. testa minuta, tenui, fragili, tumida, ventricosa, subzequilaterali,
posticé dilatata, strüs concentricis tenuiter instructa, nitida,
rosacea; umbonibus parvis, perelevatis.

Cyclas rosacea, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 155.
Hab. In fluviis Pennsylvaniz.

34. SPHIERIUM INORNATUM.

S. testa subglobosa, elongata, subzquilateral, posticé subtrun-
cata, lineis incrementi irregulariter instructa ; umbonibus mag-
nis, non tumidis.

Cyclas inornata, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 159.
Hab. Yllinois.

35. SPHZERIUM MODESTUM.

S. testa tenui, complanata, inzequilaterali, posticé dilatata; um-
bonibus magnis, elevatis.

Cyclas modesta, Prime, Proc. Bost. Soc. Nat. Hist. 1852, p. 159.
Hab. Yn aquis dulcibus Pennsylvanis.

36. SPHJERIUM CASTANEUM.
S. testa depressa, brevi et subtruncata, inzquilaterali strüs in-

j

BIVALVE SHELLS. 271

crementi instructa, epidermide fusca ; umbonibus parvis, non
elevatis.

Cyclas castanea, Prime, Proc. Bost. Nat. Hist. Soc. 1852, p. 159.
Hab. In fluvio Wabash dicto, Americze septentrionalis.

37. SPHJERIUM SIMPLEX.

S. testa parva, fragili, compressa, inzequilaterali, posticé subtrun-
eata; umbonibus magnis, elevatis.

Cyclas simplex, Prime, Proc. Bost. Nat. Hist. Soc. 1852, p. 159.
Hab. lllinois.

38. SPHJERIUM PATELLA.

S. testa parva, tenui, rotundato-ovali, lentieulari, modice
cavata, transversim exiliter suleata, epidermide luteo-viridi
induta; apicibus medianis, rotundatis, haud elevatis; intus
lactea; cardime dentibus duobus minutis cardinalibus in-
structo ; dentibus lateralibus validis, remotis.

Cyclas patella, Gould, Proc. Bost. Nat. Hist. Soc. ii. 992;
United States Explor. Exp. Moll. p. 426. f. 527. a, b.

Hab. ?

39. SPHUIERIUM ACUMINATUM.

S. testa fragili, rhomboidea, depressa, imquilaterah, postice
abrupta, alba, nitida, striis concentricis instructa ; umbonibus
parvis, depressis.

Cyclas acuminata, Prime, Proc. Bost. Nat. Hist. Soc. 1852, p.155.
Hab. Yn lacu Superiore, Americz septentrionalis.

40. SPHJERIUM DISTORTUM.

S.testa globosa, crassa, solida, tumida, inzequilaterali, transversim
rotundato-ovata, posticé elongata, stris incrementi fortiter in-
structa; umbonibus rotundatis et approximatis.

Cyclas distorta, Prime, Proc. Bost. Nat. Hist. Soc. 1852, p. 158.
Hab. In fluvio Ohio dicto, Americze septentrionalis.

4l. SPHJERIUM NITIDUM.

S. testa subovata, inzequilaterali; natibus parvis haud approxi-
matis; dentibus lateralibus crassis, cardinalibus obsoletis.

279 BIVALVE SHELLS.

Cyclas nitida, Mighels & Adams, Shells of New Engl. Bost. Journ.
Nat. Hist. iv. 39; Cat. of Shells of Maine, Bost. Journ. Nat.
Hist. v. 319.

Hab. America septentrionalis ; Norway ; Oxford.

49. SPHIERIUM DETRUNCATUM.

S. testa ovata, complanata, truncata, elongata, insquilaterali,
posticé abrupta, anticé acutissima; umbonibus parvis, non
elevatis; epidermide olivacea.

Cyclas detruncata, Prime, Proc. Bost. Nat. Hist. Soc.1852, p. 155.
Hab. In fluviis Pennsylvaniz.

5b. America meridionalis.

493. SPHIERIUM MACULATUM.

S. testa rhomboidea, tenui, minuté lamelloso-striata, badia, fusco-
maculata, intus carneo-rubra, maculata, imm medio saturaté
ezerulea ; margine basali vix arcuato ; anteriore ovali, posteriore
explieato, subrecto; dentibus parvulis.

Cyclas maculata, Morelet, Test. Nov. Cuba, pt. 2. p. 25. no. 148
(non Anton.).

Hab. America centralis, Yucatan (Morelet).

44. SPHIERIUM ARGENTINUM.

S. testa ovata, tenui, diaphana, compressa, concentricé substriata,
epidermide brunneo-viridescente ; latere antico brevi, subangu-
loso; latere postico dilatato, truncato ; intus albicante; cardme
unidentato; dentibus lateralibus subnullis.

Cyclas argentina, D'Orb. Mag. de Zool. p. 44. no. 3; Voy. en
Amér. p. 568. pl. 83. f. 5-7.

Hab. Rivulum prope Montevideo.

6. Australia.

45. SPuimniUM Novag ZELANDULE. B.M.

S. testa ovato-transversa, szquilaterali, compressa, nitidissima,
pellucida, griseo-czrulescente, saturatiore irregulariter trans-
versim zonata; latere antico obtuso parum declivi, postico
latiore rotundato, margine inferiore convexo; umbonibus
minimis, obtusis, vix prominentibus, ligamento minimo in-

-BIVALVE SHELLS. 273

conspicuo; cardine angustissimo bidentato, dentibus exiguis,
lateralibus parvis, antico paulo majore.

Sphzrium Novz Zelandi:z, Desh. Proc. Zool. Soc. 1854.
Hab. Nova Zelandia; Nova Hollandia.

46. SPHIERIUM EGREGIUM.

S. testa ventricosa, transversa, oblonga, sub:equilaterali, trans-
versim tenui-lirata; apicibus parum elevatis, tumidis; epider-
mide viridi corneo fusco zonata, plerumque Cycl. corneze simili.

Cycelas egregia, Gould, Proc. Bost. Nat. Hist. Soc. ni. 292;
United States Evplor. Exp. Moll. p. 425. f. 526.

Hab. In fluvio Hunteriano Novze Hollandiz.

/. Species dubie.

47. Cyclas globosa, Megerle (non D'Orb.),in.A. & J. B.Villa, Disp.
Syst. Conch. p. 44.
Hab. Sangobard (Villa).

48. Cyclas orbicularis (non C. orbieularia, Remer), Linsley, Cat.
of the Shells of Connecticut, Amer. Journ. xl|vm. 276.
Hab. America septentrionalis; East Haddam ( Linsley).

49. Cyclas lutea, Ziegler, in Anton, Verz. der Conch. p. 14. no. 511.
Hab. ——?

50. Cyclas Steinii, Schmidt, Zeitschr. f. Malak. no.8,1850, p.118.
Hab. ?

51. Cyclas truncata, Linsley, Amer. Journ. xlvii. 276.

Hab. America septentrionalis; Stonington, Stratford et Strat-
field ( Linsley).

Genus 6. PISUM,

Animal ovato-rotundatum, inzquilaterale, szepius turgidum ;
pallium simplex, antice infernéque apertum, posticé in trachea
unica terminatum ; pes linguiformis, compressus, apice acutus
vel subeylindraceus ; labiorum appendices breves, anguste;
branchize inzequales, late, transversim obliqué striatze, subplieat:e,
posticé inter se conniventes.

Testa minima, tenuis, inzequilateralis, ovata vel subrotunda,
subglobosa, lxvigata substriatave ; cardine angusto, dentato,
]2**

274 BIVALVE SHELLS.

in valva dextra dentem unicum modo simplicem, modo com-
plexum preebente, inter dentes duos obliquos in altera valva re-
ceptum ; dentibus lateralibus angustis, depressis, elongatis, in
utraque valva lamelliformibus; hgamentum breve, angustum,
externum ; impressio pallii simplex, posticé minime excavata.

Tellina, Müll. (1774) Verm. Hist. p. 205.
Cardium, Poli (1791), Test. utr. Sicil. 1. 65.
Mont. (1803) Test. Brit. p. 86.
Cyclas, Drap. (1801) Tabl. des Moll. p. 106 ; (1805) Hist. des
Moll. p. 131.
Lamk. (1818) An. s. Vert. v. 559.
Pisum, Meg. (1811) Entw. p. 57 (non Linn.).
Gray (1847), Proc. Zool. Soc. p. 184; Ann. & Mag. N. H.
xi. 34.
Pisidium, Pfeiffer, Syst. Anord. p. 120.
Jenyns (1832), Cambr. Phil. Soc. . 300.
Gray (1840), Turt. Man. ed. 2. p. 285.
Forbes ó&:/ Hanley (1849), Hist. of Brit. Moll. n. 130.
Galhleja, Costa (1859), Corresp. Zool.
Phil. (1844) Enum. Moll. Sicil. n. 214.
Pera, Leach, MSS. (1819) fide Gray, Turi. Man. p. 282 (1840);
Syn. Moll. Brit. (1852) ed. Gray, p. 291.
Euglesa, Leach, MSS. (1819) fide Gray, Turt. Man. p.282 (1840) ;
Syn. Moll. Brit. (1852) p. 291, ed. Gray.
Cordula, Leach (1852), Syn. Moll. Brit. p. 292, ed. Gray.

]l. SvNorsis SPECIERUM.
Species Europzanz, 1-11.
Africanze, 12-15.

Ameriez septentrionalis, 16-23.

[e

Amerieze meridionalis, 24-30.
Australienses, 31, 32.
Species dubiz, 33-36.

o m rw

l]. Species Europeane.

-—

. PISUM AMNICUM. B.M.

"

.testa subovato-trigona, inzquilaterali, ventricosa, eleganter
striato-costulata, cinereo-luteola, aliquantisper nigricante zo-
nata; umbonibus parvis, obtusis, lzviusculis ; dentibus cardi-
nalibus in angulum acutum dispositis; dentibus lateralibus

BIVALVE SHELLS. 275

elevatis, crassiusculis, utrinque duplicibus in valvula dextra;
simplicibus in sinistra.
Musculus fluviatilis, Gualt. Ind. Test. pl. 7. f. C, C.
Tellina amnica, Müll. Verm. Hist. ii. 205. no. 389 ; Zool. Dan.
Prodr. p. 246. no. 2967.
Chemn. Conch. vi. 138. pl. 13. f. 134.
Wood, Gen. Conch. p. 153. no. 19. pl. 47. f. 6; Ind. Test.
pi.3. T. 19.
Tellina striata, Schrót. Flussconch. p. 193. no. 15.
Tellina rivalis, Mat. & Rack. Linn. Trans. ii. 44. pl. 13. f. 37, 398.
Donov. Nat. Hist. of Brit. Shells, 1. pl. 64. f. 2.
Cyclas palustris, Drap. Tabl. des Moll. p. 106. no. 3; Hist. des
Moll. p. 131. pl. 10. f. 17, 18.
Cardium amnicum, Mont. Test. Brit. p. 86. no. 15.
Turt. Brit. Fauna, p. 154.
Cyclas obliqua, Lamk. An. s. Vert. v. 559. no. 4.

Nilsson, Hist. Moll. Suec. p. 99. no. 4.

Alder, "Trans. Nat. Hist. Soc. Newcastle, 1. A1. f. 71.
Pisidium obliquum, C. Pfeiff. Syst. An. p. 124. no. 1. pl. 5. f.19, 20.
Cyclas amnica, Turt. Conch. Ins. Brit. p. 250. pl. 11. f. 15.
Pisidium amnicum, Jenyns, Trans. Cambr. Phil. Soc.iv.309. no.6.

ES. f 2.
: Gray, Turt. Man. ed. 2. p. 285. no. 120. pl. 1. f. 5.
Forbes & Hanley, Hist. of Brit. Moll. 3. 133. pl. 37. f. 8,9, &
1:0. f£. 8.
Pera erre Leach, Mus. Brit. (teste Jenyns, Cambr. Phil. Soc.
iv. 310) ; Moll. Brit. Syn. ed. Gray, p. 292. no. 3.
Pera Henslowiana, Leach, Brit. Mus.(teste Jenyns, loc.cit. p.310) ;
Moll. Brit. Syn. p. 291. no. 1.
Pisidium inflatum, Megerle in. Porro, Malac. Comasea, p. 121.
no. 109. pl. 2. f. 13.

Villa, Dispos. Meth. Conch. p. 44.

Pisidium Pfeifferi, Ziegler (sec. Stentz) in Porro, Malac. Comasea,
. 121.
liie palustre, Porro, Malac. Comasea, p. 122. no. 3.

Villa, Disp. Meth. Moll. p. 44.

Spinelli, Cat. Moll. Bresciana, p. 20. no. 136.

Cordula amnica, Leach, Moll. Brit. Syn. ed. Gray, p. 293. no. 1.

Hab. In aquis dulcibus Europ.

2. PISUM CASERTANUM. B.M.

P. testa. crassa, ovali, tumidiuscula, valde obliqua, latere antico
posticum feré duplo superante, tenuissime transversim striata,
pellucida, cornea, fragih, apicibus integris, obtusissimis, sepius

276 BIVALVE SHELLS.

purpureis; dentibus cardinalibus duobus minimis, lateralibus
m utraque valva valhdis; ligamento minimo, extus con-
spieuo.

MEER casertanum, Poli, Test. utr. Sicil. 1. 65. pl. 16. f. 1
(1791).
Cyclas fontinalis (ex parte), N?/sson, Hist. Moll. Suec.p.101. no.6.
Pisidium australe, Phil. Enum. Moll. Sicil. 1. 39 ; 11. 31. no. 2.
pl. 14. f. 2.
Ray é& Drouet, Cat. des Moll. de la Champ. p. 32. no. 63.
Pisidium emereum, A/der, Cat. Land & Freshw. Moll. Northumb.
Suppl. p. 4.
Gray, Turt. Man. ed. 2. p. 286. no. 121. pl. 10. f. 152.
Forbes & Hanley, Hist. of Brit. Moll. 3. 125. pl. 36. f. 2.
Dupuy, Hist. nat. des Moll. de France, p. 683. pl. 30. f. 3.
Pisidium obtusale, Villa, Disp. Syst. Conch. p. 44.
Cyclas obliqua, Dupuy, Moll. du Gers, p. 91. no. 4.
Cyclas cinerea, Hanley, Descr. Cat. p. 91.
Cyclas lentieularis, Normand, Notice sur quelques espóces de Cy-
clades, p. 8. no. 4. f. 7, 8.
Pisidium iratianum, Dupuy, Cat. extr. Gall. no. 234.
Pisidium thermale, Dupuy, loc. cit. no. 288 ;: Hist. nat. des Moll.
de France, p. 682. pl. 50. f. 6.
Pisidium calyculatum, Dupuy, Cat. extr. Gall. no. 229 ; Hist.
nat. des Moll. de France, p. 684. pl. 50. f. 4.
Pisidium sinuatum, Bourguignat, Journ. de Conch.1. 421 ; n. 49.
pl. 1. f. 6-10.
Pisidium lenticulare, Dupuy, Hist.nat. des Moll. de France, p.680.
no. 2. pl. 30. f. 2. |

Hab. Europa.

3. PisUM VITREUM.

P. testa variabile, obliqué ovali, inzequilaterah, plus minusve ven-
tricosa, striata, striis profundiusculis, nitida, cinereo-lutescente
vel sordide ferruginea inerustata ; umbonibus obtusiusculis,
simplicibus, approximatis, vix prominentibus.

Cardium amnicum (junius), Mont. Test. Brit. p. 88 (teste Gray
1840, Hanley 1843).

Cyclas fontinalis, Brown, Edinb. Journ. of Nat. and Geol. Sc. i.
Bol f55, 7.

Alder, Trans. Nat. Hist. of Newcastle, p. 4l. no. 69.

Cyclas vitrea, Risso, Eur. Merid. 1v. 338. no. 914.

Pisidium Joannis, Macgilliv. Moll. Anim. of Scotl. p. 209. no. 1,
et p. 248.

Pisidium Jenynsii, Macgilliv. loc. cit. p. 209. no. 2. p. 249.

————

BIVALVE SHELLS. 277

Pisidium. vitreum, Pfeiffer in Verani, Cat. del Golfo di Genova,
&c., p. 13.

Pisidiam Normandianum, Dupuy in Gassies, Moll. de l' Agenais,
p. 206. no. 2; Cat. extr. Test. Gall. p. 4. no. 233; Hist. nat.
des Moll. de France, p. 686. no. 7. pl. 31. f. 1.

Pisidium limosum, Gassies, Moll. de l' Agenais, p. 206, no. 3.
De 2: £10, 1T.

Pisidium Gassiesianum, Dupuy in Gass. Moll. de l' Agenais, p.207.
no. 5. pl. 2. £.12; Cat. extr. Gall. Test. p. 4. no. 232; Hist.
nat. des Moll. de France, p. 685. pl. 30. f. 7.

Hab. Europa.

4. PISUM NITIDUM.

P. testa orbieulato-ovali, subinzequilaterali, convexiuscula, niti-
dissima, albo-lutescente raro sordide aut rubigine obtecta,
tenuiter striata, stris aliquibus distinctius incisis ; umbonibus

- obtusis, approximatis, marginem dorsalem paulo superantibus.

Cyclas pusilla (ex parte), Turt. Man. p. 16. no. 7.

Pisidium nitidum, Jenyns, Trans. Cambr. Phil. Soc. iv. 304. no. 3.
pl. 20. f. 7, 8.

Gray, Turt. Man. ed. 2. p. 282. no. 2. pl. 12. f. 150.
Forbes $ Hanley, Hist. of Brit. Moll. 1. 126. pl. 37. f. 14.
Dupuy, Hist. des Moll. de France, p. 692. no. 12. pl. 31. f. 5.

Cyclas nitida, Hanley, Descr. Cat. p. 90; Suppl. pl. 14. f. 46.

Hab. Europa.

5. PISUM PUSILLUM.

P. testa orbiculato-ovali, aliquantisper suboblonga vix in:zquila-
terali, margine dorsali recto, compressiusculo, margine inferiore
acuto; subtilissime striata; umbonibus subdepressis, parum
prominulis, interdum subacutis.

Chama fluviatilis, Schrót. Flussconch. p. 194. pl. 4. f. 7; Einl.
iii. 25. no. 87.
Tellina pusilla, Gmel. Syst. Nat. p. 3231. no. 16.
(ex parte), Dillw. Cat. i. 106. no. 76.
(ex parte), Turt. Conch. Dict. p. 167. no. 2.
Wood, Gen. Conch. p. 152. no. 16.
Cyclas fontinalis (pars), Drap. Hist. des Moll. de France, p. 130.
pl. 10. f. 11, 12.
Lamk. An. s. Vert. v. 559. no. 7.
Nilsson, Hist. Moll. Suec. p. 101. no. 6.
Cyclas pusilla, Turt. Man. p. 16. no. 7. pl. 1. £. 7; Conch. Ins,
Brit. p. 251. no. 5. pl. 11. f. 16, 17.

278 BIVALVE SHELLS.

SEES fontinale, C. Pfeiffer, Syst. Anord. p. 125. no. 3. pl. 5.
: 40, 18.
Dupuy, Hist. des Moll. de France, p. 691. no. 11. pl. 31. f. 3.
Pera pulchella, Leach, MSS. Brit. Mus. teste Alder, Cat. of the
Land, &c., p. 41. no. 69; Moll. Brit. Syn. ed. Gray, p. 292.
no. 5 (1852). !
Euglesa Henslowiana, Leach, MSS. Brit. Mus. teste Jenyns,
Trans. Cambr. Phil. Soc. vi. 302; Moll. Brit. Syn. p. 291. no. 1.
Pisidium pusillum, Jenyns, Trans. Cambr. Phil. Soc.v1.302.n0.2.
pl. 20. f. 4-6.
Gray, Turt. Man. ed. 2. p. 283. no. 117. pl. 1. f. 7.
Forbes & / Hanley, Hist. of Brit. Moll. u. 123. pl. 37. f. 10,
& pl. O. f. 9.
Pisidium pulchellum (ex parte), Gray, Turt. Man. p. 284. no.118.
Pisidium roseum, Scholtz, Moll. Fauna, p. 140. no. 3.
Pisidium obtusale ?, Gassies, Moll. de l' Agenais, p. 207.
Ray & Drouet, Cat. des Moll. de la Champ. p. 32. no. 167.

Hab. Europa.

6. PisuM HENSLOWIANUM. B.M.

P. testa obliqué ovali, ventricosa, anticé planiuscula, distineté
inzquilaterali, tenuiter striata, mitide lutescenti-alba vel cor-
nea, sepius partim precipue ad apicem sordide ferrugimea ;
umbones acutiusculi, projectura parva lamelliformi adornati.

Pera Henslowiana, Leach, MSS. Brit. Mus. 1819 (teste Gray,
1851) (teste Jenyns, 1832).
Tellina Henslowana, Sheppard, Trans. Linn. Soc. xiv. 150. no. 4.
Cyclas appendiculata, Leach, MSS. (teste Turt. 1831); Manual,
:24B.
áü Turt. Man. p. 15. no. 6. pl. 1l. f. 6.
Pisidium acutum, Pfeiffer, Wiegm. Arch. 1. 230.
Pisidium Henslowianum, Jenyns, Trans. Cambr. Phil. Soc. iv.
308. no. 5. pl. 21. f. 6, 7.
Gray, Turt. Man. ed. 2. p. 285. no. 119. pl. 1. f. 6.
Forbes & Hanley, Hist. of Brit. Moll. x. 13l. pl. 37. f. 11.
Dupuy, Hist. nat. Moll. de France, p. 687. no. 8. pl. 31. f. 2.
Pera appendiculata, Leach, Moll. Brit. Syn. p.292.n0.4,ed. Gray

Hab. Europa.

/. PISUM PULCHELLUM. B.M.

P. testa minuta, obliqué cordata, valde inzequilateral, ventricosa,
concentricé striata, tenui, fragili; umbonibus prominulis.

Pera pulchella, Leach, MSS. fide Jenyns.

BIVALVE SHELLS. 279

Pisidium pulchellum, Jenyns, Mon. 18. pl. 21. f. 1-5.
Gray, Turt. Man. p. 284. pl. 12. f. 15.
Pfeiffer, Deutsch. Land und Susswass. Moll.pt.1.p.125.pl.5.
f. 15, 16.
Hanley & Forbes, Brit. Moll. 1. 128. pl. 37. f. 12, 13.
.. Phil. Enum. Moll. Sicil. i. 31.
C. fontinalis, Drap. Terr. et Fluv. pt. 30. t. 10. f. 12?
Galileja tenebrosa, Da Costa, Corr. Zool. fide Phil.
Petit, Journ. de Conch. 1851, p. 413. pl. 12. f. 6-10.

Hab. Europa.

8. PriSUM OBTUSALE. B.M.

P. testa globosa, obliqué subovali, ventricosissima, crassitudine
feré altitudinem zequante, nitida, subtiliter striata, virescenti-
nigra, vel ochraceo-nigricante, zona marginali plus minusve
lata lutescente vel subaurantia; umbonibus tumidis, obtusé
rotundatis vix prominentibus.

Cyclas obtusalis, Lamk. An. s. Vert. v. 559. no. 6.
Nilsson, Moll. Suec. p. 101. no. 5.
Pisidium obtusale, Pfeiffer, Syst. Anord. p. 125. no. 2. pl. 5.
f. 21, 22.
Jenyns, Trans. Cambr. Phil. Soc. iv. 301. pl. 20. f. 1-3.
Gray, Turt. Man. ed. 2. p. 282. no. 115. pl. 12. f. 149.
Forbes & Hanley, Hist. of Brit. Moll; 1. 120. pl. 36. f. 1.
Dupuy, Hist. nat. des Moll. de France, p. 690. no. 10.
pl. 31. f. 4.
Cyclas gibba, Aider, Trans. of Northumb. Nat. Hist. Soc. 1. 41.
no. 70.
Pera gibba, Leach, MSS. (teste Jenyns, Trans. &c. p. 301) ; Moll.
Brit, Synop. ed. Gray, p. 292. no. 6.
Cyclas fontimalis, var. obtusalis?, Dupuy, Moll. du Gers, p. 89.
no. 2.

Hab. Europa.

9. PirsuM RECLUZIANUM.

P. testa minima, inzquilaterali, ovali, complanata, pellucida,
nitidiuscula, arguté concentricéque striata, epidermide pallido-
cornea; natibus valdé prominulis; ligamento inconspicuo;
dente cardinali minutissimo, obliquo, subacuto; dente laterali
obtuso, subproducto in utroque latere, vix in valva sinistra
perspicuis.

Cyelas Recluziana, Bourguignat, Journ. de Conch. 1852, p. 174.
pl. 8. f. 8.

Hab. Gallia occidentalis.

980 BIVALVE SHELLS.

10. PisuM LENTICULARE.

P. testa transversé ovata, compressa, inxquilaterali, anticé
producta, tenui, diaphana, subtilissimé strata, albido-rufes-
cente; umbone obtuso; ligamento inconspicuo.

Cyclas lenticularis, Normand, Notice sur quelques Cycl.p.8.no.4.
1258.

Hab. In fluvio Scaldiz.

11. PrsuM CnEPLINI.

P. testa plus minusve ventricosa, orbiculato-rhomboidea, vel sub-
ovali, inzequilaterali, antieé producta, posticé brevi, tenui, pel-
lucente, concentricé atqué tenerrimé striata, unicolore lutea
seu albo-lutescente, seu zonis cinereo-nigricantibus et luteo-
olivaceis pieta ; umbonibus obtusis, plus minusve tuberculosis,
antrorsum incurvis, approximatis; ligamento minimo, feré in-
conspicuo, latere breviori insito; dente bifido cardinali im
utraque valvula; laterales duo valde compressi.

Cyclas Creplini; Dunker, Zeitschr. für Malac. 1845, p. 20.

Hab. Yn fossulis paludosis prope Casselis loco Hottenkirchen
dicto.

2. Africane.

129. PiSUM PARASITICUM. B.M.

P. testa ovato-transversa, convexiuseula, inzquilaterali, trans-
versim tenué et irregulariter striata, epidermide viridi-fusces-
cente vestita, atro-rubescénte aliquantisper intus extusque
puneticulata ; latere antico brevi, obtuso, angusto; postico
latiore extremitate obtuse truncato; margine superiore recto,
inferiori parallelo ; cardine angustissimo, dentibus cardimalibus
obsoletis, lateralibus angustis, brevibus; umbonibus magnis,
obtusis, obliquis.

Pisidium parasitieum, Parreys, MSS.
Hab. Yn Nilo superiore.

13. PrsuM LUMSTENIANUM. B.M.

P. testa ovata, obliqué trigona, tumida, inzequilaterali, transversim
striata; natibus prominentibus, roseo-corneis.

Pisidium Lumstenianum, Forbes, Moll. of Algeria, Ann. of Nat.
Hist. ser. 2. no. 10. 1838, p. 255. no. 45. pl. 12. f. 4.

Hab. Yn fonticulis Mitidjanz.

BIVALVE SHELLS. 981

14. PisuM CANARIENSE.

P. testa ovali, compressiuscula, valde inzquilaterali, subtiliter
striata, sordide albida, pellucida, umbonibus vix prominulis,
obtusis.

Pisidium Canariense, Shuttleworth, Diagn.neuer M oll.no.1. p.12.
Hab. Teneriffa.

l5. PisUM FERRUGINEUM. B.M.

P. testa ovato-rhomboidea, subcompressa, tenui, cornea, ferri
oxydo obtecta, inzequilaterali, transversim striata; extremitate
antica brevi, rotundata, postica latiore, obliqué subtruncata ;
apicibus acutis prominulis; dentibus lateralibus valvulz dex-
tre: prominentibus, antico acuto; superficie interna pallide
violaceo-ferrugiea.

Pisidium ferrugineum, Krauss, Sudafr. Moll. p. 7. no.2. pl.1. f. 7.
Hab. Caput Bonz Spei in fluvio Knysna.

3. Americe septentrionalis.

16. PisUM VIRGINICUM.

P. testa mima, rotundata, subtiliter transversim striata, antice
rostrata ( Gmelin).
Pectuneulus perpusillus, Lister, Conch. pl. 159. f. 15.
Petiv. Gazoph. p. 1. pl. 104. f. 5 (malus).
Tellina virginica, Gmel. Syst. Nat. p. 3236. no. 39.
Tellina pusilla (ex parte), Di//w. Cat. 1. 106. no. 76.
Cyclas virginica, Férussac, Observ. Mag. de Zool.

Hab. Respubliea Virginize, Americze septentrionalis.

17. PrsuM MiNUS.
P. testa minima, ovata, inzequilaterali, natibus tumidis, approxi-
matis; marginibus rotundatis; dentibus omnibus crassis.

Cyclas minor, Adams & Migh. Boston Journ. of Nat. Hist. 1842,
p. 33. pl. 4. f. 2.
Migh. Cat. of the Shells of Maine, Bost. Journ. of Nat. Hist.
iv. 319.
Hab. In aquis dulcibus cirea Stonington, Respubliez Unite
Americze septentrionalis.

18. PisUM ABRUPTUM.
P. testa ovata, valde inzquilaterali, olivacea vel pallide ceastanea ;

289 BIVALVE SHELLS.

umbonibus fere terminalibus, margine antico in ventrali abrupté
terminato.

Cyclas abrupta, Haldeman, Proc. Acad. Sc. 1841.
DeKay, Zool. New York, pt. 5. p. 226.

Hab. In flumine Elk dicto Marylandico.

19. PisuM EDENTULUM.

P. testa ovato-transversa, inzequilaterahi, viridi-fuscescente, trans-
versim et regulariter striata, stris parum elevatis; umbonibus
obtusis, depressis, decorticatis; dentibus cardinalibus parvulis,
linearibus, obliquis, lateralibus angustis.

Cyelas edentula, Say, Descr. Land & Freshw. Shells, p. 10.

DeKay, Zool. New York, pt. 5. p. 225.

Hab. America septentrionalis.

90. PrsUM DUBIUM.

P. testa rotundato-elliptica, subinzequilaterali, convexa, elegan-
ter striata, natibus subdecorticatis.
Cyclas striatina, Lamk. An. s. Vert. v. 560. no. 10.
Deless. Rec. de Coq. pl. 7. f. 4.
Cyclas dubia, Say, Nichol. Ency. ed. 4. pl. 1. f. 10.
Gould, Rep. Invert. Mass. p. 75. f. 56.
DeKay, Nat. Hist. of New York, Moll. p. 223. pl. 15. f. 261.
Cyclas dubiosa, Catlow, Conch. Nom. p. 29. no. 7.

Hab. Respublieze Unitze Americze septentrionalis.

21. PiSUM ABDITUM.

P. testa minuta, ovata, ventricosa, pallide ochracea; umbonibus
obtusis, approximatis.
Cyclas abdita, Haldeman, Proc. Acad. Sc. 1841.
DeKay, Zool. New York, pt. 5. p. 226.

Hab. In aquis dulcibus Pennsylvaniz.

29. PISUM COMPRESSUM.

P. testa minuta, compressa, perobliqua, triangulari, postice
abrupta, alba, nitida, tenuiter striata; natibus parvis, apicu-
latis.

Cyclas compressa, Prime, Ann. of the Lyc. of New York, 1852,
p. 219. pl. 6.

Hab. In fluviis Massachusettsensibus.

BIVALVE SHELLS. 283

23. PISUM ALTILE. B.M.

P. testa trigona, valde imzquilaterali, tumida, cordiformi, soli-
dula, transversim eleganter tenuissimé striata, epidermide viridi-
fuscescente vestita, mtus albo-esrulescente; latere postico
brevissimo, obtuso, antico duplo longiore, paululum attenuato,
obtuso; dentibus cardinalibus minimis, lateralibus in utraque
valva validis ; umbonibus altis, prominentibus, subobliquis.

Cyclas altilis, Prime, Proc. Bost. Soc. Nat. Hist. 1852.
Hab. Ohio, Americz septentrionalis.

4. Americe meridionalis.
24. PrirSuM VEATLEYI.

P. testa ovata, convexiuscula, valde inzquilaterali, nitida, tenu-
issimé striata, cornea, fusco tincta; margine antico brevi, ob-
tuso, rotundato, postico longiore, subtruncato; umbonibus
obtusis, minimis, vix prominentibus.

Cyclas Veatleyi, Adams, Contr. to Conch. p. 44. no. 3, & no. 9.
p. 187. no. 589.

Hab. Jamaica.

25. PiSUM PULCHELLUM.

P. testa ovata, inflata, tenui, sublevigata, epidermide virides-
cente, inzequilaterali; latere antico elongato, rotundato; latere
postico brevi, obtuso; intus albicante.

Cyclas pulchella, D'Orb. (non Jenyns) Mag. de Zool. p. 44. no. 4 :
Voy. en Amér. Moll. p. 568. pl. 83. f. 8-10.

Hab. In lacu prope Maldonado reipubliez orientalis Uru-
guayensis.

26. PISUM MODIOLIFORME.

P. testa oblonga, diaphana, nitida, levi, ventricosa, rostrata;
rostro curvato ; natibus minimis, v1x conspicuis.

Cyclas modioliformis, Anton, Wiegm. Arch. 1837, p. 284. no. 9;
Verz. der Conch. p. 14. p. 516.

Hab. America meridionalis.

27. PISUM MACULATUM.

P. testa cordato-obliqua, inzequilaterali, fragili, transverse striata ;
natibus prominulis ; epidermide olivacea nigro maculata.

284 BIVALVE SHELLS.

Cyclas maculata, Anton (non Morelet),W'iegm. Arch. 1837, Ae 9284.
no. 8; Verz. der Conch. p. 14. no. 514.

Hab. America meridionalis.

28. PisuM CuiLENsE.

P. testa ovata, compressa, concentricé striata, epidermide vinides-
cente, inzquilaterali; latere antico elongato; latere postico
brevi, rotundato.

Cyelas chilensis, D'Orb. Voy. en Amér. Moll. p. 568. pl. 83.
f. 11-13.

Hab. In rivulis prope Concepcion urbem Chiliensem.

29. PrsuM BAHIENSE. B.M.

P. testa ovata, tumidula, m:equilaterali, transversim. tenuissime
striata; suleis duobus transversis prominentibus ; umbonibus
obtusis, tuberculo plano terminatis, latere antico breviore,
semicireulari, postieo latiore obtuso; valvis crassiusculis fulvis
nigro irregulariter maculatis.

Cyelas Bahiensis, Spiz, Moll. du Brésil, p. 39. pl. 25. f. 5, 6.
Moric. Mém.de la Soc. d" Hist. nat. de Genéve, vu. 445. no. 54.
Hanley, Descr. Cat. p. 91.

Hab. Bahia.

30. PirsUM ÁDAMSI.

P. testa ovata, i:quilaterali, turgida, tenuissime striata; latere
antico vix truncato, postico longiore, rotundato ; umbonibus
obtusis, non prominentibus ; dente cardinali minimo, lamel-
loso; dentibus lateralibus cardine approximatis.

Cyclas pygm:a, Adams, Contr. to Couch. no. 3. p. 44, & no. 9.
p. 187. no. 588.

Hab. Jamaica.

5. Australienses.

3l. PiSUM SEMEN.

P. testa obliqué ovata, ventricosa, umbonibus turgidis, epider-
mide flavo-cornea, in margine palhidiore mduta, subtilissimé
transversim striata, decorticata alba vel lilaeina.

Cyclas semen, Menke, Moll. Nov. Holl. p. 40. no. 232.
Hab. In ripa sabulosa Fluvii Cygnorum.

BIVALVE SHELLS. 285 ^

32. PrSUM AUSTRALE.

P. testa subcordata, tumida, inzequilateral,, transversim striato-
suleata; umbone prominente ; natibus obliqué versis.

Cyclas australis, Lamk. An. s. Vert. v. 560. no. 8.
Hab. Nova Hollandia et insula Timor dicta.

6. Species dubie.

l. Pisidium Dhingoli, Bivona in A. & J. B. Villa, Disp. Syst.
Conch. p. 44.

Hab. S&(«cilia.

2. Pisidium depressum, Pfeiffer in Shuttleworth, Diag. neuer
Moll. no. 1. 1852, p. 12.

Hab. Sicilia.

3. Pisidium, Mallet, Mortillet Cat.
Hab. In nvulis Guayam affluentibus.
4. Pisidium perpusillum, Géürtner, Ann. der Wetterauischen,
ii. 316. no. 3.
Hab. In aquis dulcibus Honoviz.

13

À.
abbreviata, 92.
abdita, 282.
abditum, 282.
abrupta, 282.
abruptum, 281.
acuminata, 78,

2/4.
acuminatum, 271.
acutum, 278.
Adamsi, 284.
Adansoni, 17, 29, 32.
adenensis, 92.
zenea, 174.
equalis, 201.
sequata, 262.
equilatera, 50.
cequilateralis, 255.
zequivoca, 89.
affinis, 7, 73, 102, 245.
Africana, 17, 222.
agrestis, 112.
alata, 14.
alba, 169.
albida, 68, 84.
albina, 68.
albo-cincta, 79.
albo-radiata, 115.
albula, 269.
albulum, 269.
alta, 19, 122.
alternata, 77.
altile, 283.
altilis, 233.

174,

IN D E X.

altior, 25.
Alvarezii, 155.
amabilis, 163.
Amathusia, 132.
ambigua, 47, 153, 223.
Ameroda, 261.
ZAmisoda, 261.
amnica, 2795.
amnicum, 264, 274,
2706.

| amphidesmoides, 12.

amygdalina, 215.
analis, 183.
angulata,201,204,259.
angulifera, 79.
angulosa, 16.
anomala, 155, 257.
ZAnomalocardia, 115.
antiqua, 109.

anus, 23.
aphrodina, 147.
aphrodinoides, 148.
apicalis, 88.
appendiculata, 278.
arabica, 91.
araneosa, 169.
arctata, 253.
arctica, 200.
argentina, 50, 272.
argentinum, 272.
Zrlemis, 5.
Artemis, 86.
aspera, 25, 140.
asperrima, 139.

aspersa, 164.

astartoides, 147.

atrata, 240.

aurantia, 56.

aurea, 173, 268.

aureum, 268.

australe, 276, 285. |

australis, 24, 87, 94,
142, 230, 285.

B.
Dahiense, 284.
Bahiensis, 284.
Batissa, 219, 234.
Belcheri, 75, 170.
bella, 132.
Bengalensis, 224,

243.
DBensoni, 223.
Berrii, 125.
Beudanti, 175.
bicolor, 49.
bilunulata, 20.
biradiata, 58, 170.
Birmanicus, 44.
bis cocta, 27.
borealis, 260.
Brasiliana, 232.
brevis, 195.
brevispina, 76.
Brongniarti, 128.
Bruguieri, 22, 183.
bullata, 70.
Buschii, 243.

C.
cxlata, 28, 129.
carulea, 19.
calcaria, 123.
calculus, 27.
Californica, 208.
Californiensis, 133.
Caliste, 96.
callipyga, 92, 149.
callosa, 82, 135.
calophylla, 120.
calyculata, 262.
calyculatum, 276.
canaliculata, 25.
Canariense, 281.
cancellata, 99, 134.
candida, 61, 217.
Capense, 265.
Capensis, 265.
cardilla, 139.
cardioides, 138.
cardissa, 268.
carditoides, 192.
carneola, 149, 159.
Caroliniana, 254.
Caroliniensis, 254.
casertanum, 275.
Cashmiriensis, 224.
casina, 100.
casta, 39.
castanea, 38,156, 271.
castaneum, 270.
castrensis, 93, 176.
catenifera, 175, 185.
cerea, 203.
Ceylanica, 248.
Ceylonensis, 151.
Chemnitzii, 108.
Childrenz, 237.
Childreni, 237.
Chilense, 284.
Chilensis, 284.
Chinensis, 30, 61, 202,

ZLI.

Chione, 56.
Chione, 118.
chlorotica, 124.
Choristodon, 218.
cinerea, 184, 276.
cinereum, 276.

INDEX.

cingenda, 135.
cingulata, 103.
Circe, 82.
circinaria, 9.
circinata, 77.
citrina, 72, 264.
clathrata, 106.
Clementia, 197.
coaxans, 248.
Cochinensis, 132.
Columbiensis,110,136.
communis, 264.
compressa, 48, 227,
282.

compressum, 282.
compta, 29, 133, 249.
concentrica, 6.
concinna, 10, 74, 214.
conjuncta, 244.
consobrina, 10, 101,
221, 263.
consobrinum, 263.
contracta, 29.
contusa, 28.
conularis, 148, 156.
convexa, 71, 231.
cor, 71, 145, 221.
Corbicula, 51.
Corbicula, 219, 220.
corbiculoides, 239.
Corbis, 108.
Cordieri, 190.
cordiformis, 66, 259.
Cordula, 274. |
Cornea, 261.
cornea, 261, 262, 263,
267.
Corneocyclas, 261.
corneum, 263.
Cornubiensis, 194.
corpulenta, 59.
corrugata, 22, 85, 185,
196, 203.
costata, 42, 63, 137,
212, 216.
costellata, 109, 209.
costellifera, 130.
costulata, 142.
Cracherodii, 92.

| crassa, 150.

287

crassatelloides, 46.
crassicosta, 137.
crassisulca, 169.
crebrisulca, 100, 111.
crenata, 111, 192.
crenifera, 136.
crenulata, 111.
Creplini, 155, 280.
cretacea, 28.
crispata, 107.
crocea, 8, 85.
cultellus, 213.
Cumingii, 20, 79, 121,
185, 228, 257.
cuneata, 231.
Cuneus, 160, 190.
curta, 203.
Cyanocyclas, 220.
cycladiformiis, 73.
Cyclas, 261.
Cyclina, 29.
cycloides, 7.
Cygnus, 77.
cylindracea, 208.
Cypria, 126.
Cyprina, 199.
cyprinoides, 240, 241,
247.

Cyrena, 219, 241.
Cyrenarum, 285.
Cyrenodonta, 240.
Cyrenoida, 286.
Cyrilli, 88.
Cytherea, 34, 54.

D.
dactyloides, 184.
dactylus, 213.
damaoides, 47.
debilis, 234.
decipiens, 128, 248.
declivis, 104, 162.
decorata, 131.
decussata, 177,

209, 217.
dentaria, 90,
denticulata, 150, 178,

213.
depressa, 260.
depressum, 285,

13*

189,

288

Deshayesii, 168.
detruncata, 272.
detruncatum, 272.
Dhingolii, 285.
Diemenensis, 73, 195.
dilatata, 12.
Dillwyni, 49.

Dione, 954.

Dione, 76.

discina, 101.

discors, 89, 141, 215.
discrepans, 109, 127.
discus, 10.

dispar, 89.

disrupta, 69, 185.
distans, 7, 123, 195.
distorta, 271.
distortum, 271.
divaricata,88,216,247.
divergens, 216.
dolabella, 49.
Dombei, 110.
dorsata, 166.
Dosinia, 5.

dubia, 54, 266, 282.
dubiosa, 282.
dubium, 266, 282.
Dunkeri, 8.
duplicata, 16.
Dupontia, 286.
Dupontiana, 286.
dura, 166, 252.
dysera, 156.

E.
eccentrica, 99.
edentula, 282.
edentulum, 282.
effossus, 42, 100.
egregia, 273.
egregium, 273.
elegans, 29, 58, 93,

123, 139, 270.
elegantina, 148.
elevata, 156, 269.
elevatum, 269.
elliptica, 92, 156, 191.
emarginata, 267.
emarginatum, 267.
englypta, 162.

INDEX.

Erycina, 61, 62.
Erycinella, 62.
erythrza, 86.
Essingtonensis, 251.
Euglesa, 274.
Euphratica, 223, 234.
exalbida, 154.
exarata, 162.
exasperata, 20.
excavatus, 43.
excisa, 21.

exilis, 40, 156.
eximia, 111, 235.
exoleta, 11, 13, 17.
exotica, 191.
expallescens, 188.
expansa, 243.

F.
fabagella, 182.
fabale, 269.
fabalis, 269.
fallax, 244.
fasciata, 127.
fastigiata, 94.
ferruginea, 17.
ferrugineum, 281.
festiva, 59,
fibula, 27.
flammiculata, 149.
flava, 268.
flavescens, 264.
flavida, 31.
flavum, 268.
flexuosa, 116, 118.
florida, 61, 174.
Floridana, 257.
floridella, 81, 175.
fluctifraga, 135.
fluctuata, 73.
fluctuosa, 176.
fluminalis, 222.
fluminea, 226.
fluviatilis, 226, 275.
foliacea, 122, 192.
foliatus, 194.
Fontainei, 253.
fontinale, 278.
fontinalis, 276, 277,

279.

formosa, 40.
fornicata, 212.
foveolata, 103.
fulminata, 50, 81.
fumigata, 151.
fusca, 38.

fuscata, 223, 226.
fusco-lineata, 140.

G.
galactites, 183.
Galatheze, 246.
Galileja, 274.
gallina, 143.
gallinula, 142.
Gassiesianum, 277.
Geloina, 241.
Gemma, 112.
gemma, 113.
geographica, 182.
gibba, 279.

Gibbia, 90.

gibbosa, 218.

gibbosula, 71.

gigantea, 7, 80, 187,
267.

giganteum, 267.
gilva, 124.
glandina, 183.
glauca, 13.
Glaucomya, 202.
Glauconome, 202.
globosa, 273.
Gnidia, 132.
gracile, 268.
gracilior, 53.
gracilis, 214, 268.
grandis, 225.
granulata, 138.
granulifera, 198.
graphica, 37.
grata,8,40,62,140,170.
gravescens, 122.
Grayi, 80.

grisea, 186.
Gruneri, 27.
guineensis, 77.

H.
Hagenowi, 58.

Hanleyi, 53, 164.
hehrza, 67, 95.
Henslowiana, 275,
278.
Henslowianum, 278.
hepatica, 18.
hiantina, 149.
hieroglyphica, 37.
Hindsii, 53.
histrio, 24.
histrionica, 139.
humerosa, 239.
Humphreyi, 142.

L
Ieracianum, 276.
Iguebilei, 110.
imbricata, 132.
immaculata, 21, 82.
impar, 55.
impressa, 118, 249.
impudica, 36.
inzequalis, 157.
incerta, 53, 176,

250.
incisa, 9.
incompta, 33.
incrassata, 233.
indecora, 74.
indica, 178.
indicum, 265.
inflata, 32, 65, 157,

162, 260.
inflatum, 275.
innocens, 69.
inornata, 270.
inornatum, 270.
inquinata, 157, 244.
insignis, 236, 255.
interjecta, 196.
intermedia, 49, 179.
interrupta, 153.
intersecta, 139.
intuspunctata, 181.
Irus, 193.
Isabelleana, 112.
Isabellina, 124.
Islandica, 199.
isocardia, 14.
Isocardioides, 258.

INDEX.

Ji
Japonica, 26, 146,181.
Jayana, 238.
Jayanum, 270.
Jayense, 270.
Jayensis, 237, 270.
Jenynsii, 276.
Joannis, 276.

Jukesi, 100, 251.

| juvenilis, 23.

juvenis, 23.

K.
Kelletii, 127.
Keraudrenia, 235.
Kingii, 69.
Kochii, 150.
Kraussii, 154.
Kroyeri, 32.

hi,

Labuana, 145.
lacerata, 105.
lactea, 101.
lacustre, 262.
lacustris, 262.
lzeta, 64, 175.
laevigata, 52.
lagopus, 142.
Lajonkairia, 217.
Lajonkairii, 217.
Lamarckii,39, 69,110.
lamellata, 16,110,119.
lamellosa, 194.
laminata, 22.
laminosa, 144.
lapicida, 216.
laqueata, 107.
Largillierti, 180, 225.
laterisulca, 153.
laterisulcata, 186.
lauta, 245.
Leachii, 264.
lenticulare, 276, 280.
lenticularis, 24, 85,

154, 237, 276, 280,

286.
lentiformis, 6, 12.
lentiginosa, 93.

| lepida, 77.

289

Lessoni, 48.
leucodon, 134.
ligula, 61.
lilacina, 63.
Lima, 137.
limatula, 60.
limosa, 231, 232.
limosum, 277.
lincta, 12, 17.
lineata, 52.
linguatula, 212.
lirata, 24, 163.
Listeri, 106.
literata, 146, 164, 182.
lithoida, 188.
lithophaga, 209.
liturata, 93.
livida, 28.
longilunata, 16.
Lorenziana, 94.
lubrica, 61.
lucinalis, 15, 216.
lucinoides, 18.
Lucinopsis, 30.
Lumstenianum, 280.
lunaris, 17.
lunularis, 116.
lupanaria, 76.
lupinus, 17.
Lusoria, 35.
lutea, 79, 273.
Luzonica, 170.
lyra, 104.
lyrata, 40.

M.
macilenta, 31.
macrodon, 117.
macrophylla, 193.
mactracea, 157.
mactroides,48,51,246.
maculata, 57,272,284.
maculatum, 272, 283.
madraspatana, 41.
magnifica, 105.
malabarica, 160.
Malaccensis, 227.
Manilensis, 227.
Manillz, 75.

Mariz, 126.

290

marica, 129, 138.
maritima, 259.
marmorata, 153.
maxima, 187, 201.
Megadesma, 239.
membranacea, 101.
menstrualis, 43.
Mercenaria, 113.
mercenaria, 114.
Meretrix, 34.
meretrix, 36.
Meroe, 41.
Meroe, 41.
Meroéformis, 163.
mesodesma, 150.
Mexicana, 260.
minima, 87.
minor, 96, 281.
minus, 281.
minuta, 73, 157.
mirabile, 269.
mirabilis, 207, 269.
mitis, 142.
modesta, 17, 23, 72,
79, 270.
modestum, 270.
modioliforme, 283.
modioliformis, 283.
monilifera, 109.
monstrosa, 197.
Morphina, 37.
Mortoni, 114.
Moussoni, 227.
multicostata, 106.
multiradiata, 63.
multispinosa, 76.
multistriata, 64.
Muscaria, 89.
Mysia, 30.

N.
nanus, 14.
Naranio, 215.
nebulosa, 151.
neglecta, 134.
Nepeanensis, 230.
nigella, 263.
nitens, 8, 174, 227.
nitida, 158, 250, 272,

277.

INDEX.

nitidula, 47, 256.
nitidum, 271, 277.
nivea, 212.

' nobilis, 7, 78.

nodulosa, 110.
Normandianum, 277.
notabilis, 256.
notata, 114.

Novz Zelandiz, 272.
nucleus, 264.

nucula, 54.
nummulina, 88.
Nuttallii, 135, 188.
Nux, 261.

Nux, 263.

O.
obesa, 59, 238.
obliqua, 275, 276.
obliquata, 65.
obliquum, 275.
oblonga, 86, 103, 192,
257.

obovalis, 154.
obscura, 158, 232.
obscurata, 169.
obsoleta, 184, 230.
obtusale, 2706, 278,
2/9.
obtusalis, 279.
occidens, 223.
oculata, 81.
opacus, 187.
opima, 151.
optica, 93.
orbicularia, 273.
orbicularis, 273.
Orbignyi, 26.
orientalis, 31,227,228.
ornata, 95.
ornatissima, 132.
ovalea, 166.
ovalina, 229.
ovata, 130.
oviformis, 245.

| ovum, 34.

P:
pacifica, 61.
pallescens, 78.

pallida, 145, 247.
palustre, 275.
palustris, 275.
pannosa, 79.
Panormitana, 220.
Paphia, 160.

| Paphia, 126.

papilionacea, 168.
Papua, 250.
papyracea, 197.
Paranensis, 231.
parasiticum, 280.
partumeia, 266.
Patagonica, 9.
patella, 271.
Paupercula, 153, 158.
Paytensis, 74.
pectinata, 90.
pectinula, 131.
pectoralis, 62, 82.
pectorina, 139.
Pectunculus, 73.
pellucida, 67.
penicillata, 16.
Pennantii, 144.
Pera, 274.
perforans, 180.
Peronii, 146, 156.
perplexa, 176.
perpusillum, 285.
perpusillus, 281.
personata, 84.
peruviana, 125, 212,
259.
petalina, 175.
petechialis, 36.
Petiti, 189.
Petricola, 206.
Pfeifferi, 93, 275.
phaseolina, 172.
phasianella, 64.
Philippii, 72, 146.
Philippinarum,
179, 235.
pholadiformis, 211.
Phymeroda, 261.
Phymisoda, 261.
picta, 42, 95.
pinguis, 151.
piperita, 59.

39,

Pisidium, 274.
Pisum, 220, 273.
Pitar, 68.
placens, 252.
placida, 124, 252.
placunella, 89.
plana, 10.
planata, 86.
planatella, 59.
planulata, 48.
plebeia, 86.
plicata, 120.
plumbeus, 264.
polita, 19, 47, 147,
172.
Polymeroda, 241, 254.
ponderosa, 7, 47, 268.
ponderosum, 268.
portesiana, 136.
przparca, 115.
Prideauxiana, 145.
Producta, 236,
prora, 65, 81.
prostrata, 21.
Psammotella, 205.
pubescens, 15.
pudica, 70.
puella, 125.
puerpera, 104.
pulchella, 188, 228,
278, 283.
pulchellum, 278, 279,
283.
pulchra, 62.
pulicaria, 111.
pulicaris, 89.
Pullastra, 160.
pullastra, 180.
pullata, 232.
punctifera, 116.
punicea, 179.
pura, 68.
purpurata, 188.
pusilla, 221, 277, 281.
pusillum, 277, 278.
pygma, 129, 284.

quadrangularis, 152.
quadriradiata, 171.

INDEX.

R.
radiata, 12, 49, 51,
131, 152, 165, 204,
216, 222, 254.
ranella, 96.
rariflamma, 167, 210.
Rasterucii, 101.
recens, 148.
Reclusiana, 279.
recurvata, 226.
reflexa, 101.
regularis, 146.
resticulata, 107.
reticulata, 16,
108.
retifera, 169.
rhomboidea, 266.
rhcmboideum, 266.
rhombifera, 161.
rigida, 103.
rimosa, 171.
rimularis, 149.
rivalis, 228, 264, 275.
rivicola, 261, 262.
rivularis, 84.
robusta, 210.
Roccellaria, 209.
Rodatzi, 165.
rosacea, 270.
rosaceum, 270.
rosalina, 102.
rosea, 77.
roseum, 278.
rostralis, 205.
rostrata, 71, 117.
rotundata, 167, 235.
rubicunda, 18.
rubiginosa, 66, 82.
rubra, 77.
ruderata, 136.
rudis, 72.
rufa, 23, 158.
rufescens, 67.
rugifera, 85.
rugosa, 102, 116, 144,
203, 213.
Rupellaria, 190.
ruperella, 210.
rutila, 58.
Ryckholtii, 261.

105,

291

S.
sabulicola, 262.
saccata, 32.
salmacida, 259.
Sarniensis, 173.
Sarratogea, 266.
Savignyi, 90.
Saxidomus, 186.
scabra, 24, 130.
scabriuscula, 25.
scalarina, 148.
scalaris, 22.
Scaldiana, 264.
scripta, 44, 83.
sculpta, 11, 100.
securis, 268.
semen, 284.
semi-lamellata, 209.
seminuda, 42.
semirugata, 163.
semisulcata, 62, 230.
Senegalensis, 180,287.
sericea, 19.
serrata, 192, 212.
Sieboldtii, 21.
simile, 265.
similis, 167, 198, 225,

245, 266.
simillima, 133.
simplex, 9, 79, 271.
Sinensis, 30.
sinuata, 12,13,17,144.
sinuatum, 276.
sinuosa, 33, 161, 249.
Solandri, 44.
Solangensis, 51.
solida, 191, 254, 265.
solidula, 18, 269.
solidulum, 269.
solidum, 265.
sordida, 255.
Sowerbyi, 95, 109.
spathulata, 59.
sphzricula, 80.
Spherium, 219, 261.
spissa, 150.
spurca, 150.
squalida, 58, 188, 233.
squamosa, 117.
stagnicola, 262, 264.

292:

Steenbuchii, 264.
Steinii, 273.
straminea, 141, 204,
267.
stramineum, 267.
striata, 68, 72, 145,
146, 209, 275.
striatella, 224.
striatina, 282.
striatissima, 15, 131.
strigosa, 148.
stultorum, 46.
Stutchburyi, 137.
Stutzeri, 92.
subdecussata, 196.
subglobosa, 208.
subimbricata, 117.
subinflata, 70.
sublobata, 248.
subnodulosa, 143.
suborbicularis, 251.
subpellucida, 66.
subquadrata, 31, 43,
6.

subrosea, 26.
subrostrata, 110, 134,
156.
subrugosa, 116.
substriata, 217.
subtrigona, 14.
sulcaria, 168.
sulcata, 86, 145, 266. |
sulcatina, 95, 233.
sulcosa, 161.
Sumatrensis, 242.
suppositrix, 74.

ji
Tapes, 159.
Tehuelcha, 72.
tellinzeformis, 78.
tellinoidea, 78.
tenebrosa, 238, 279.
tenera, 262.
tenuilamellata,21,115.
tenuis, 13, 33, 215.
tenuistria, 20.
tenuistriata, 177, 196,

267.

INDEX.

tenuistriatum, 267.
Terverianum, 264.
tessellata, 70, 141.
testudinalis, 89.
texta, 195.
textilis, 172.
textrix, 171.
texturata, 174.
Thaca, 110.
thermale, 276.
tiara, 121.
tigrina, 94.
torrida, 27.
tortuosa, 74.
transversa, 267.
transversaria, 90.
transversum, 267.
triangula, 253.
triangularis, 88, 234,
242.
tricoler, 140.
Trigona, 45.
trigona, 14, 224.
trigonella, 50, 234.
trimaculata, 96.
tripla, 52.
triquetra, 236.
triradiata, 41, 151.
tristis, 150.
truncata, 43, 186, 273.
tuberculata, 262.
tuberosa, 99.
tumefacta, 87.
tumens, 68.
tumescens, 65.
tumida, 15, 136, 229,
264.
turgida, 15, 166, 242.
turgidula, 166.
typica, 210.
typicum, 218.

U.
umbonella, 55.
undata, 33.
undatella, 141.
undatina, 83.
undulata, 48, 171.

THE END.

undulosa, 152.
unicolor, 61.
ustulata, 153.

V.
vaginalis, 45.
Vanikorensis, 252.
variabilis, 152, 153.
varians, 66.
varicosa, 128.
variegata, 24,179, 232.
Veatleyi, 283.
Velorita, 219, 240.
Veneris, 75.
Venerupis, 189.
Venetiana, 72.
ventricosa, 53, 214,

246.
Venus, 97.
vermiculosa, 159.
verrucosa, 98.
Villarita, 240.
violacea, 84, 113, 138,

150, 238.
violascens, 181.
virago, 173.
virens, 202.
virginea, 46, 172.
Virginica, 281.
Virginicum, 281. -
virgo, 68.
vitrea, 198, 276;
vitreum, 276.
vulgaris, 181, 201.
vulnerata, 60.
vulvina, 159.

W.
Woodiana, 225.

X
Yatei, 120.

Z.
Zelandica, 103, 138.
Zeylanica, 248.
zonaria, 238.

CATALOGUES

OF

THE ZOOLOGICAL COLLECTION

IN

THE BRITISH MUSEUM.

I. VERTEBRATA.
List of Mammalia. Dy Dr. J. E. GnAv, F.R.S. &c. 1843. 25.64.

Catalogue of the Mammalia. By Dr. J. E. Gnav, F.R.S. &c.

Part 1l. Cetacea. 12mo, 1850. 4s., with Plates.

Part 2. Seals. 12mo, 1850. 1s. 6d., with Woodeuts.

Part 3. Hoofed Quadrupeds. — Section I. (Ungulata furci-
peda) 1852, with Plates of Genera, 12s.

This work contains the description of the genera and species,
and figures of the chief characters of the genera.

List of Mammalia and Dirds of Nepaul, presented by B. H.
Hodgson, Esq., to the British Museum. By Dr. J. E. Gnav
and G. R. GnAv. 1846. 2s.

List of Birds... By G. R. Gnav, F.L.S. &c.

Part |l. Raptorial. Edition l1, 1844; edition 2, 1848. 3s.

Part 2. Passeres. Section I. Fissirostres. 1848. 9s.

Part 3. Gallinz, Grallae and Anseres. 1844. 2s. (Out of
Print.)

The other sections of the Passerine birds are in progress.
List of British Birds. By G. R. GnAv, F.L.S. &c. 1850. 4s.

List of the Eggs of British Birds... By G. R. Gnav, F.L.S. &c.
1852. 2s. 6d.

Catalogue of Reptiles. By Dr. J. E. GnAv, F.R.S., V.P.Z.S. &c.

Part 1. Tortoises, Crocodiles and Amphisbsnians. 1844. ls.

Part 2. Lizards. 1845. 3s. 6d.

Part 3. Snakes (Crotalidze, Viperidz, Hydridze and Boidze).
1849. 25s. 6d.

Part 4, completing the Snakes (Colubridz), is in prepara-
tion.

Catalogue of Amphibia. By Dr. J. E. Gnav, F.R.S., V.P.Z.S.

Part 2. Datrachia Gradientia. 12mo, 1850. 2s. 6d. with
Plates of the Skull and Teeth.

2

Catalogue of Fish. By Dr. J. E. Gnav, F.R.S., V.P.Z.8.
Part l. Cartilaginous Fish. 12mo, 1851. 3s. With two
Plates.

Catalogue of Fish, collected and described by L. T. GnoNow.
12mo. 1854. 3s. 64d.

These Catalogues of Reptiles, Amphibia, and Fish, contain
the characters of all the genera and species at present known;
the latter are illustrated with figures of the genera.

List of British Fish ; with Synonyma. By A. Wnrrg, F.L.S. &e.
1851. 3s.

List of Osteological Specimens. By Dr. J. E. GRAY, F.R.S. &c.
and G. R. Gnav, F.L.S. 1847. 2s.

II. ANNULOSA.
Catalogue of Lepidoptera. By G. R. Gnav, F.L.$S.
Part 1. Papilionidze, with coloured figures of the new spe-
ejes. 3£1:5s. 4to, 1852.
List of Lepidopterous Insects. By E. DovBLEDay, F.L.S.

Part |l. Papilionide, &e. 1844. 2s.6d. (Out of Print.)
Part 2. Erycinide, &c. 1847. 9d.
Part 3. Appendix to Papilionidz, Erycinidz, &e. 1848. 9d.

List of Hymenopterous Insects. By F. WALKER, F.L.5.

Part 1l. Chaleidide. 1846. 1s. 6d.

Part 2. Additions to Chaleididz. 1848. 2s.
Part l. Lepidoptera Heterocera. 1854. 4s.
Part 2. Lepidoptera Heterocera. 1854. 4s.

Catalogue of Hymenopterous Insects. By FREDERICK SMrTH,
M.E.S.
Part l. Andrenidz, &e. 1853. 6s., with Plates.
Part 2. Apidze. 1854. 6s.
Catalogue of Dipterous Insects. By F. WArLKzmn, F.L.S.

Part 1l. 1848. 3s. 6d. Part 4. 1849. 6s.
Part 2. 1849. 3s. 6d. Part 5. Supplement I. 1854. 4s. 6d.

Part 3. 1849. 3s. Part 6. Supplement II. 1854. 3s.

Catalogue of Homopterous Insects. By F. WALKER, F.L.S.
Part 1l. 1850. 3s. 6d. Part 4. 1852. 4s., with
Part 2. 1850. 5s. Plates.

Part 3. 1851, as. bd:

Catalogue of Neuropterous Insects. By F. WALKER, F.L.S.
Part 1. 1852. 25s. 6d. Part 3. 1853. 1s. 6d.
Part 2. 1853. 3s. 6d. Pert 4. 18531! 15.2008

The Catalogues of Hymenopterous, Dipterous, and Homopte-
rous Insects contain the description of the species in the Museum
which appeared to be undescribed.

3

Catalogue of Hemipterous Insects. By W. S. DarnLAS, F.L.S. &c.
With Plates, Part 1l. 1851. 7s. Part 2. 1852. 4s.

The Catalogue of Hemiptera contaims the description of the
new species in the Museum Collection, and figures of the more
interesting genera.

Nomenclature of Coleopterous Insects (with characters of new
species).
Part l. Cetoniade. 1847. ls. By A.WurrE, F.L.S. &ec.
Part 2. Hydrocanthan. 1847. 1s. 3d. By A. WnurTE,
F.L.S.
Part 3. Buprestide. 1848. 1s. By A. WnurrE, F.L.S.
Part 4. Cleridz. 1849. 1s.8d. By A. Wurrk, F.L.S.
Part 5. Cueujide. 1851. 6d. By F. SurTH, M.E.S.
Part 6. Passalidee. 1852. 8d. By F. SwrrH, M.E.S.
Part /. Longicornia, with Plates, 1853. 2s. 6d. By A.
WuirrE, F.L.S.

List of Crustacea; with Synonyma. By A. WurrE. 1847. 2s.
List of Myriapoda. By G. NEw»onr, F.R.S. &c. 1844. 4d.
List of British Lepidoptera; with Synonyma. Dy J. F. SrE-

PHENS, F.L.S. Part 1. 1850. 5s. Part 2. 1852. 2s. Part 3.
1853. 9d.

List of British Aculeate Hymenoptera; with Synonyma, and the
description of some new species. By F. Surrg. 1851. 2s.

List of British. Anoplura, or Parasitic Insects; with Synonyma.
By H. DENNv. 1s.

List of British Crustacea ; with Synonyma. By A. WurrE, F.L.S.
1850. 2s. 6d.

Catalogue of Entozoa; with Plates. By W. Barn», M.D.,
EUM. "1853. . 2s.

III. MOLLUSCA.
Catalogue of the Mollusca in the Collection of the British
Museum. By Dr. J. E. Gnav, F.R.S. &c.

Part 1l. Cephalopoda Antepedia. 1849. 4s.

Part 2. Pteropoda. 1850. 1s.

Part 3. Placuniadz and Anomiadz. 1850. 4d.

Part 4. Brachiopoda Ancylopoda; figuresof genera. 1853. 3s.

Containing the characters of the recent and fossil genera, and
the descriptions of all the recent species at present known.
Catalogue of Phaneropneumona or Operculated Terrestrial Mol-

lusca. By Dr. Lovis PrErrrER. 1852. 5s.

Catalogus Concharum Bivalvium. By M. G. P. DEsuavEs.
Part l. Veneride, &c. 1853. 35s.
List of British Mollusea and Shells; with Synonyma. By

Dr. J. E. Gnay, F.R.S.

Part 1l. Acephala and DBrachiopoda. 1851. 3s. 6d.

E

List of the Shells of the Canaries, described by M. D'Orbigny.
1854. ls.

List of the Shells of Cuba, described by M. D'Orbigny. 1854. 15.

List of the Shells of South America, described by M. D'Orbigny.
1854. . 2s.

List of the Mollusea and Shells collected and deseribed by
MM. Eydoux and Souleyet. 1855. 84.

Nomenclature of Mollusea. By Dr. W. Bainp, F.L.S. &e.
Part ]l. Cyclophoridz. 1851. 1s. 6d.

IV. RADIATA.

Catalogue of Marine Polyzoa. By G. Busk, F.R.S. &e., with
characters and figures of all the species.
Part l. Chilostoma. 1852. 17s. With Plates.
Part 2. Chilostoma. 1854. 15s. With Plates.

List of British Radiata; with Synonyma. By Dr. J. E. Gnav,
F.R.S. 1848. 4s.

List of British Sponges; with Synonyma. By Dr. J. E. GRAY,
F.R.S. 1848. 10d.

V. BRITISH ZOOLOGY.

List of the British Animals; with Synonyma and references to
figures.
Part l. Radiata. By Dr. J. E. GnAv. 1848. 4s.
Part 2. Sponges. By Dr. J. E. GnAv. 1848. 10d.
Part 3. Birds. By G. R. GnAv. 1850. 4s.
Part 4. Crustacea. By A. WurrrE. 1850. 2s. 6d.
Part 5. Lepidoptera. By J. F. SrEPHENs. 1850. 5s.
Part 6. Hymenoptera. By F. SurrH. 1851. 2s.
Part 7. Mollusea Acephala and Brachiopoda. By Dr. J. E.
Gnav. 1851. 3s. 6d.
Part 8. Fish. By A. WurrE. 1851. 3s.
Part 9. Eggs of British Birds. By G. R. Gnav. 1852.
2s. Gd.
Part 10. Lepidoptera (continued). By J. F. STEPHENS.
1852. 2s.
Part 11. Anoplura or Parasitie Insects. By H. DENNY. ls.
Part 12. Lepidoptera (continued). By J. F. SrEPHENS.
9 "

1852. :

Part 13. Nomenclature of Hymenoptera. By F. SurTH.
1853. 1s. 4d.

Part 14. Nomenclature of Neuroptera. By A. Wurrk.
1853. 6d.

Part 15. Nomenclature of Diptera. (I.) 1853. ls.
Part 16. Lepidoptera (completed). 1854. 3s.

N.B.— These Catalogues ean be obtained at the Secretary's Office
in the Barrisu. MusEuw ; or through any Bookseller.

Feb. 1855.
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