WORMS. TESTACEA. 84. Patella. m 



Schrxt. Einl, in conch* 2. p. 403. «. 125. 

 Inhabits Shell above J of an inch long. 



A»cej>s» Shell folid, glabrous, a little pointed, pale chefnut, within 

 pale flefh-colour. 

 Inhabits—— -Scbraet, n. Litterat. 3. p. 139. n. 271, 



Guineenfis* Shell ovate, convex, very fmooth, one fide broader and 

 chefnut, the other with the crown pale yellow : 

 margin flefh-colour each fide. 

 Sehrcet, n. Litter at* 3. p. 140. n, zyz. 

 Inhabits Guinea; near |- of an inch long: rare, 



Complanata Shell deprefFed-hernifphserical, obfoletely cancellate, varied 

 with white and brownifh. 



Inhabits Schreet. n. Litterat. 3. p. 141. n. 274. 



Shell minute, with a flattened crown, brownilh bottom, and the 

 margin white on one fide. 



Virgata, Shell ovate, longitudinally ftriate, whitifh with brown rays 

 and crown, within perlaceous. 

 Inhabits-^— Born Muf, CafFind. teft. 1. tab, 18./. 10. 



Nivea. Shell fubconic, folid, glabrous, fnowy, with tranfverfc 

 concentric rings. 

 Inhabits Africa, Adant.feneg, 1. tab, 2. Jig. J. \ 



Shell about 4 lines wide, with 7 or 8 rings and rounded crown; 



Grifea* Shell oval with crowded radiate grooves, within polifhed ; 

 crown nearly central. 



Inhabits Africa. Adanf. feneg.- U tab. 2. fig, 5; 



Shell nearly an inch long, when frefh generally grey or with t 

 caft of green, fometimes whitifh or vinaceous with browa 

 bands ; the grooves brown, and bottom whitifh. 



Navicula. Shell narrow with decufTate ftris, rofy with a whitifh 

 callous belt on one fide in the middle and whitifh 

 bottom ; margin revolute each fide. 

 Meufch. Naturf. 18./. 9. tab. 2. fig. 6. 

 2. Meufch. Naturf. iS. p. 9. tab. 2. fig. 5, 

 Inhabits Shell an inch long, with a very acute margin* 



Cingutata, Shell fuboval, obfoletely ftriate, ferruginous with 2 elevated 

 obfcurely barred belts: crown nearly central. 

 Meufch. Naturf 18. p. 8. tab. 2. fig. J. 



Inhabits ■■ Margin revolute each fide. 



Scapha, 



