WORMS. TESTACEA. 6a. Venus, 
231 
"‘“taJc 
da. 
Shell triangular, white or yellow, with about 40 tranfverfe 
parallel grooves. 
Inhabits Senegal. Adans Sencg. tab. iS. fig. 5. 
Refembles V. tripla : about i ^ inch long. 
Shell heart-lhaped with tranfverfe remote excavated grooves; 
the margin crenulate. 
Inhabits Mant. 2. p. 546. 
Shell about the fize of the little finger, with 14 grooves; pof- 
terior flope ovate impreffed, anterior Hope with a jagged 
fent. 
Shell nightly heart-lhaped, very much comprelTed, tranf- 
verfely grooved. 
Inhabits Mant. z. p. 546. 
Margin very entire : Hopes linear and a little jagged. 
Shell heart-lhaped polilhed, white with brownilli charac- 
ters ; the margin very entire. 
Cbemn, conch, 10. tab. \']l,fig. 1662. 
Z. Martin unimers. Conchol. tab. 40 ? 
Inhabits the Southern Ocean, 
Shell ovate livid, with numerous interrupted blueilh rays: 
poftcrior impreffion ovate, 
Chemn. conch. lo. tab, t'jx.fig, 1 661. 
Fa'vann, Conch, tab. ^c^.fig. 91, 
Inhabits Ihores of Ceylon and Florida, 
B. Orbicular. 
Shell lentiform w'ith crenate decuffate ftri® : pollerior Hope 
imprefl'ed ovate. 
Lifier.tab. Adans. feneg. tab. 16. Jig. 3. 
■Honan, recr z.fg.Cg. MuJ' Kirch, z.fig:. 70. 
Rumpf. MuJ. tab. 43. H. Oualt. ted. tab. 77. A, 
Petins. Amb. aq, tab. li.ftg. 9. 
Argen-ville c<nch, tab. 2 t. J'lg. E. 
Hytem. app, tab. 1 1 -Jig. 44. 
Knorr. Vergn. 2. tab. if- fig. I. t. 3./'. 2. and 6. t. yj.f- 2, 
Chemn. conch, 6. tab. yj. Jig. 390, 391. 
Knorr Vergn. 4. tab. I- Jig. 2. 
3 * Venus orbicularis. SyJl. Nat, x.p. 688. 
Inhabits Amrican and Indian Ocean ; large. 
