Worms, test ace a. 62. Vends. 217 
^ty 
'^O’-lnea. 
Shell brown with hyaline fpots ; the outfide with crowded 
arched tranfverfe llrix, infide with perpendicular ones/ 
the fore-part wrinkled. 
Schrett. Eir.l. conch, S./ig. 3. i v J 
Inhabits ’2 ranjiieiar : about an inch broad an* more than I ^ 
long : the fore-part not very obtufe and marked with z white 
rays, the hind-part rotinde’d with a white border; within 
fnowy {potted with pale yellow and blucifh; hinge with a 
fingle obtufe middle tooth in each valve, and a double roar- 
ginal one in each ; margin or rlin very entire. 
Shell with Very thin perpendicular ftria: groding the tranf- 
verfe ribs on the fore-part 5 ftraw-colour with darker 
tranfverfe bands; the margin tawny and very entire 
behind. 
Schreet. Einl. Conch, 3, tab. ’&.fig. 4. a, b. 
Inhabits -above an inch long and -I broad: within flelh- 
colour, violet towards the rim, with a broad fubconvex border 
on the anterior part : beaks reddifh : hinge with z marginal 
teeth in each valve. 
Shell entirely white with a few thin arched tranfverfe ftrix 
which are oblique towards the rim: hinge with 3 ob- 
lique middle teeth : margin very entire. 
Schreet, Einl conch, 3. tab. 8 jig. 5. , /■ t- 
Iiihabits Tranqutbar : not quite an inch long and fomething 
broader; //if// thin brittle, a little elevated in the middle on 
the fore-par: : the ftria: forming wrinkles towards the rim. 
0\>, VENU S. Animal a Tethys : Jhell bivalve, 
the I'rontal margin Hatteued with in- 
cumbent lips: hinge with 3 teeth, all of 
them approximate, the lateral ones di- 
vergent at the tip. 
A. Shell fomeuihat heart-Jhaped. 
Shell tranfverfcly grooved, with a double row of fpines on 
the flattened lide. 
Shanju Natur hlifcetl. tab. 163. Barbut. tab, 4 * 7 %’ 9 ' 
Liflir tab. 307. Bonan. MiiJ. kirch, z.fig tai. 
Rumpf. Mu/, tab- 48. fig. 4* O.ear . Muf. zq* 
Eeti'-v. Gax. tab, 31. fig, g. Gualt. telt. t. 76./. D. 
Leffertest. fig. 134. Argen-ville cone, tab. 21. ng. I, 
VOL. IV.— E e 
Murr, 
