WORMS. TESTACEA. 84. Patella. $9r 
Schrat. Einl. in conch, 2. p. 403. 2-125; 
Inhabits——-Shell above 2 of an inch long. 
Ancepse Shell folid, glabrous, a little pointed, pale chefnut, within 
pale flefh-colour. 
Inhabits Schret. n. Litterat. 5.5. 139. 2. 271, 
Guineenfi. Shell ovate, convex, very fmooth, one fide broader and 
chefnut, the other with the crown pale yellow : 
margin flefh-colour each fide. 
Schrat, n. Litterat. 3. p. 140. 2. 272. 
Inhabits Guzzea; near 3 of an inch long: rare. 
Complanata Shell depreffed-hemifphzrical, obfoletely cancellate, varied 
with white and brownifh. 
Inhabits——-Schret. n. Litterat. 3. p. 141. 2. 274. 
Shell minute, with a flattened crown, brownifh bottom, and the 
margin white on one fide. 
Virgata. Shell ovate, longitudinally ftriate, whitifh with brown rays 
and crown, within perlaceous. - 
Inhabits—— Born Muf. Caf. Find. teft. 1. tab. 18. f. 10. 
Nivea. Shell fubconic, folid, glabrous, fnowy, with tranfverfe. 
concentric rings. 
Inhabits Africa. Adans. feneg. Y. tab. 2. fig. 5. 
Shell about 4 lines wide, with 7 or 8 rings and rounded crown: 
Grifa. Shell oval with crowded radiate grooves, within polifhed:. 
crown nearly central. 
Inhabits Africa. Adanf. feneg. 1. tab. 2. fig. 5. 
Shell nearly an inch long, when frefh generally grey or with a 
caít of green, fometimes whitifh or vinaceous with brown 
bands; the grooves brown, and bottom whitifh. 
Navicua. Shell narrow with decuffate ftrie, rofy with a whitith 
callous belt on one fide in the middle and whitifh 
bottom : margin revolute each fide. 
Meufch. Naturf. 18. p. 9. tab. 2. fig. 6. 
2. Meuftb. Naturf. 18. p. 9. tab. 2. fig. 5... 
Inhabits————  S/e/] an inch long, with a very acute margin. 
Cingulata, Shell fuboval, obfoletely.ftriate, ferruginous with 2 elevated 
obfcurely barred belts: crown nearly central. 
Meufb. Naturf. 18. p. 8. tab. 2. fig- 7. 
Inhabits————— Wargin revolute each fide. 
Scapha. 
