VENUS. 



Plate XXIV. 



Figure 117. (Mus. Cuiuiiin;.' 



This shell, which w;is thought to be au uudescribed 

 species, appears to be a rather gibbous fortu of /'. uiuht- 

 lo-ia. 



Species 118. (Mus. Cumiug.) 



Venus tmbuicata. J^eit. testa ovato-siibcordatd, posticl- 

 aiiguhild, albidtl, ferriigbwo-fnsco liiictd, ad uiiiboin'H 

 limdo-violacc'u, radiatim costatd, coslis crenalo-imljri- 

 cnds, interstitiis nitide excavatis, palUdis. 



The imbuicated Venus. Shell ovately subcordate, 

 posteriorly angled, whitish, tinged with rust-brown, 

 livid-violet at the umboes, radiately ribbed, ribs cre- 

 nately imbricated, interstices neatly excavated, pale. 



SoWEKBY, Thes. Conch, vol. ii. p. 175. pi. 156. f. 81, S3. 

 Venus Coc/iiiteusis, Sowerby. 

 C/iione iiubricata and Cochinensis, Deshayes. 



llab. China Seas. 



A radiately ribbed CarditaAWe shell, the ribs being 

 neatly imbricated throughout with equidistant scales, and 

 the ribs are coloured with a rust-brown hue, wliile the in- 

 terstices are cleanly excavated and paler in coloLir. The 

 mnboes are livid-violet. 



Species 119. (Fig. a, b, Mus. Cuming.) 



Venus ELUCTUOSA. Ven. leM subtrujom-ovatd, teiiiii, 

 compressiusculd, poslice subprodiicld, albidd, epider- 

 iiiide Inlencenle nilente indutd, ad uuibunea plus niiiiiis 

 erosd, coiicentrice irregidariter corrmjalo-Virald . 



The wavy Venus. Shell somewhat triangularly ovate, 

 thin, rather compressed, posteriorly slightly produced, 

 whitish, covered with a shining yellowish epidermis, 

 more or less eroded at the umboes, concentrically ir- 

 regidarly wrinkle-ridged. 



Gould, Invert. Mass. p. 87. f. 50. 

 Venus Aslartoides, Beck. 

 Chione Asturloides, Deshayes. 



Hah. Greenland ; Newfoundland ; Bay of Massachusetts, 

 United States. 



Of quite a different type from any other species of the 

 genus. 



Species 120. (ilus. Cuming.) 



Venus cuneiforjiis. Ven. iestd oblique cuneij'ornii, 

 solidd, compressiusculd, albidd, fiisco pallide lineari- 

 undatd, ad umhones livido-purpuruscente, concentrire 

 iireyulariier rude plicato-striatd, slriis circa miibonen 

 et ad manjinem posticum liralis. 



The wedge-shaped Venus. Shell obliquely wedge- 

 shaped, solid, rather compressed, whitish, faiutiv 

 linearly waved w'ith brown, livid-purple at the um- 

 boes, concentrically irregularly rudely plieately stri- 

 ated, strife ridged round the umboes and along the 

 posterior margin. 



Hab. ? 



This shell approximates to the Australian V. .Iphrodi- 

 noides, but it differs materially in sculpture. 



Species 121. (Mus. Cuming.) 



Venus Tasmanica. Ven. testa siMrif/ono-oblongd, coi,i- 

 pressd, postice sublruncatd, albidd, limdo-purimras- 

 cente plus minus tinctd et fasciatd, concentrice plicuto- 

 costatis, coslis obtuse rejiexis, ad basin crenutalis, 

 lunula parvd, oblomjo-cordatd, marginibus denliculutis, 

 intus livido-purpured. 



The Tasmanian Venus. Shell somewhat triangularly 

 oblong, compressed, posteriorly rather triuieated, 

 whitish, more or less tinged and banded with livid- 

 purple, concentrically plieately ribbed, ribs obtusely 

 reflected, crenulated at the base, lunule small, obloug- 

 cordate, margins denticulated, livid-purple within. 



Hab. Tasmania. 



An interesting little species of the same peculiar type 

 as M. Deshayes' V. tnitis, one of its most conspicuous fea- 

 tures being the basal crenulation of the ribs. 



Species 123. (Mus. Cumiug.) 



Venus Berrii. Ven. tesld cordato-trigond, solidd, coui- 

 pressd, valde inaquilalerali, albidd, livido-cinerco unl 

 fascesceide tinctd, coucenlrice plicalo-liratd, area liiju- 

 menti ampld, curvatd, concavo-excavatd. 



Berry's Venus. Shell cordately triangular, solid, com- 

 pressed, very inequilateral, whitish, tinged with livid- 



March, 1SC4. 



