VENUS. 



Plate IX. 



Species 28. (Mus. Cuming.) 



Venus cor. Ven. testa trapesiformi-globosd, temdculii, 

 injlatd, sordide albd, plus minus feiTiiffineo tlnctd, 

 cuncentrice liratd, llris obtusis, valde irregular ib us, hie 

 itlic luididatis. 



The heart Venus. Shell trapezifonnly globose, rather 

 thin, inflated, diiJl-white, more or less rust-stained, 

 coiieentrically ridged, ridges obtuse, numerous, very 

 irregular, here and there undulated. 



SowERBY, Thes. Couch, part xiv. p. 727. pi. 160. f. 18-t. 



Ilab. Kurachee, mouth of the Indus. 



A light trapeziformly globose sheU, sculptured with 

 concentric ridges, which are veiy irregular and undulating. 



Species 29. (Mus. Cuming.) 



Venus Dombeii. Ven. testa orbiadari-ovatd, subdepressd, 

 sordide fuscescente-albd, fuscescente radiatim undulatd 

 et lentiginosd, undique obtuse crenato-decitssald. 



Uombey's Venus. SheU orbicularly ovate, rather de- 

 pressed, duU brownish-white, radiately waved and 

 freckled with light-brown, everywhere obtusely cre- 

 nately decussated. 



Lamarck, Anim. sans vert. p. 346. 

 Venus Chilensis, Sowerby. 

 Tapes Dombeii, Sowerby, Jun. 



Hub. Valparaiso Bay ; Cuming. 



This shell has veiy much the form and sculpture, but 

 not the whiteness, of a Liiciua. 



Species 30. (ilus. Cuming.) 



Venus costellata. Ven. testa sitbquadrato-ovatd, sor- 

 dide albd, ferrugineo tinctd, radiatim tenuicostatd, 

 costis planis, confertis, liris obtusia concentricis irregu- 

 laribits decussatis. 



The finely-ribbed Venus. Shell somewhat squarely 

 ovate, dull-white, rust-stained, radiately finely ribbed, 

 ribs flat, close-set, decussated with obtuse ii-regular 

 concentric ridges. 



Sowerby, Pro. Zool. Soc. 1833, p. 42. 

 Dosina antiqua. Gray. 



Hob. Chili and Peru (in coarse sand from six to fifteen 

 fathoms) ; Cuming. 



A dull stone-colom-ed shell vei-y rudely ii-regularly de- 

 cussated. 



Species 9. (Mus. Cuming.) 



Venus crispata. Ven. testa ovatd, crassiusculd, albidd, 

 riifo-fusco undatd et radiatim fasciatd, concentrice 

 crenato-laminatd, laminis tumidiusculis, confertis, iu- 

 terslitiis radiatim liratis, liris subdistantibtis. 



The crisped Venus. Shell ovate, rather thick, whitish, 

 waved and radiately banded with red-brown, concen- 

 trically crenately laminated, lamin<e rather swollen, 

 close-set, interstices radiately ridged, ridges ratiier 

 distant. 



Deshayes, Pro. Zool. Soc. 1853, p. 2. 



Hab. ? 



Of a ])eeuliar regularly convex oval form, with the con- 

 centric laminae close-set and very crowded on the anterioi- 

 side. 



April, 1863. 



