VENUS.— Plate XXIV. 



ash or pale-brown, coiici;utricallv plicately ridged, 

 ligaraentary area large, cui-ved, conca\ely excavated . 



GitAV, Wood, Iiid. Test. Siipp. pi. 2. f. 2. 

 Chioiie Bei-rii, Deshayes. 



Hull. Australia. 



A solid well-marked species, of a peculiarly livid tone of 

 colour. > 



Species 123. (Mus. Cuming.) 



Venus exilis. Ten. icsld ovalu, modice convexd, cceru- 

 tescente-(Mtt, epidermlde corned lavigatd lenui indutd, 

 hiiinld iiiilld. 



The slender Venus. Shell ovate, moderately convex, 

 bluish-white, covered with a thin smooth horny epi- 

 dermis, no lunule. 



Lamarck, Anim. sans vert. vol. vi. p. 359. 



Halt, Ceylon. 



It is not without considerable doubt that I refer this 

 shell to Lamarck's Venus exilis. It is of very simple cha- 

 racter, covered with a smooth horny epidermis. 



Species 124. (Mus. Cuming.) 



Venus Sallei. Veu. testa Irigono-Donaciformi, versus 

 iiiuryines compressd, albidu, cliiereo-griseo latiradiatd. 



hilere antico lavigato, vel exililer plicato, postico dense 

 clatlirato. 



Salle's Venus. Shell triangularly Donax-%\m^pA, com- 

 pressed towards the margins, whitish, broadly rayed 

 with ash-grey, anterior side smooth or faintly concen- 

 trically plicated, posterior side densely latticed. 



Hab. Bird's Island, Caribbean Sea ; Salle. 



A verv characteristic little species, with the general as- 

 pect of a Doiiax. 



Species 125. (Mus. Cuming.) 



Venus varicosa. Fen. lestd oblique trigonCi, subcor- 

 datd, albi.dd, fulvescoite-rufo uhscnrt radiatd el li- 

 neari-marmoratd, coucentrice coslald, costis crassissi- 

 mis, latissimis. 



The varicose Venus. Shell obliquely triangular, some- 

 what heart-shaped, whitish, obscurely rayed and li- 

 nearly mottled with fulvous-red, concentrically ribbed, 

 ribs very thick and very broad. 



SowERBY, Thes. Conch, vol. ii. p. 723. pi. 155. f. 67. 

 C/tione varicosa, Deshayes. 



Hab. Bay of Mexico. 



Remarkable for the very broad and soliilly-developed 

 character of its concentric ribs. 



