WORMS. TESTACEA. 65. Area. 
253 
Rump/. Muf. tab. 44. I. Gualt, test. tab. 87. B, C. 
Retiis. tab. 17. /. 8. Klein ofir. tab. ii.f. 73. 
Gronov. Zoopb. tab. 18. f. 13. Upr. tejl, tab. z, /. 15. 
KnorrVerga. t. tab, Z4. fig. 3 > 4 ‘ 
Chemn. conch. 7. tab. 55. fig, 548, 549. 
Inhabits the Mediterranean, Itidian and American fcas. 
Shell rather large, white covered with a hairy flein ; the anterior 
flope with a coraprelled prominent angle. 
Shell obliquely heart-fliaped, fpaooth, with 8 grooves: 
margin plaited. 
Adanf. Seneg. 1. tab. 1 8. f. 5, 
Lifter conch, tab. 238. Gualt. tell, tab, 87. D. 
Argent', conch, tab. Z3. fig. k. 
Chemn. conch. 7. tab. 56. f. S 54 *'S 5 ^* 
Inhabit! America and 4 fri(a: 3 inches long and 4 broad. 
Shell thick, white, covered with a blafk flein mixed with fea* 
grfeen ; anterior part gaping. 
Shell nightly hcart-lhaped, with muricaje grooves. 
Lifter, tab. 2\l, ?42. Peti-v. amh. tab. 17./. 7. 
Major teft. tab. lo, /. 3. Rumpf. Muf. tab. 44. /, k. 
Gualt. teft. tab. 87, E. Argennj. conch, t. 23, C. 
Klein oftr. tab. to. f. 45 > 
Knorr Fergn. 6 . tab, 34, fig. 2 . 
Martin Befch. Naturf. 3. tab. 6 . f. 10. 
Chemn. conch. 7; tab. 56. fig. 557. 
Inhabits the American and Indian Ocean: 1 1 - inch long, t|: broad; 
white, nearly equilateral, with about 20 ribs which are co- 
vered with fpinous tubercles, 
Shell ovate, a little comprefled, with perpendicular knotty 
ftriae : beaks obtufe, approximate. 
Chemn. conch. 7. tab. 56. fig. 55?. 
2. Lister conch, tab. 234. fig. 68, 
Klein Ofir. tab. \ 0 . f. 43, 44. 
Chemn. conch. 7, tab. f. 559 ' 
Inhabits AhVoW ; refembles the lad : about 10 lines long, 
and at; inch broad : a) fubglobular with capillary llria: within. 
Shell lenticular, with longitudinal ftiiae croffed by hardly 
vifiblc tranfverfe ones: anterior flope clofed. 
Regenf. coneb. I. tab. S' fig. 22. 
Knorr Vergn. 5. tab. 30. fig. 3. 
Chemn. conch. 7. tab- 57. fig. 561, 
Inhabits -the American Ocean : Ihcll varied with ffattcred brow)|, 
Ipots; hinge llightly arched. 
