234 
WORMS. TESTACEA. 62. Venus. 
PeSinata, 
Scrip/a. 
FJentula. 
Cin 8 a, 
Brit. Zool. iv. p. 96. Gualt. test. tab. $• 
1 ifter conch, tab. fig. 88. 
LUier an. Angl. tab. c^. Jig. 23. 
Chemn. conch., 7. tab. 39 .Af- 412 — 4*4. 
Inhabits Euiofean Seat', t j inch long and nearly 2 broad; 
vered with a chel’nuc cuticle, under which it is white, ang^' 
lar, with unequal llria: which are a little more remote tb*'* 
they are in V. exolcta: anterior Hope with a long and narro"^ 
fent, polterior depreffion heart-Ihaped : hinge with i tooth t** 
one valve and 2 in the other. 
Shell fublentiform with longitudinal wrinkled groove®) 
branched near the anterior margin. 
Lister conch, tab. 312, 313. 
Rumpf. Muf. tab, 42. D. Pet, amb. tab. \ %.Jig. 14. 
Gualt. teft. tab. 72. E, F. tab. 75. A. 
Argenni. conch, tab, 21. P. Knorr Vergn. 6 . tab. fig. 3- 
Chemn. conch. 7. tab. l<). fig. 415—419". 
Inhabits the Indian and American Ocean ; above l i inch lotjo’ 
and about 2 broad, more or lefs convex, fometimes white 
a brown pofterior Hope and a few fpots on the antei 
fometimes entirely fpottcd with brown, fometimes 
with a few black brown fpots on the anterior part : luatfi"' 
unequally crenate. 
Shell lentiform comprefled ftriatc angular, the hinder' aiig^ 
ftraight. 
Rumpf. Muf. tab. 43. C. Argenno. conch, tab. 24. M. 
Pet, Amb. tab. fig, Gualt, teft. tab. 77. C. 
Knorr Vergn. 5. tab. tt^.fig. 3. 
Chemn. conch. 7, tab. 40. fig. 420—426, 
2. Born. Muf. Ccef. Vind. teft. tab. 5. fig, 7. 
Chemn. conch. 7. tab. ’it), fig. 410, 41 1. 
Inhabits the Indian Ocean Oind Red Sea: very rare,' 
Shell truncate each fide, the hind-part more fo than the 
within white with a brown fpot ; without varied : m^rg’ 
very entire : flopes marked with chelnut fpots. 
Shell fubglobular-lenticular, wrinkled, without 
pofterior Hope ovate. 1 
Lister conch, tab. ziso. Gualt. test. tab. I 
Chemn. conch, p . tab . ip. fig, ipz'] — 
Inhabits the American Ocean: diaphanous whitiHi, when fr® 
little reddifl), within golden except the margin which is ^ 
entire : font on the anterior flopc narrow : beaks turned 
Shell very convex and, furrounded with rings, the 
mediate grooves crenate : pofterior Hope heart-fhap^ ^ 
margin crenulale. ■ 
