:8o 



WORMS. TESTACEA. 84, Patella. 



Trigone 



Minima. 



Shell compreffed, convex in the middle, cancellate, white 

 with a brownifh band on the out fide' and margin 

 within: crown marginal, obtufe. 

 Scbratt. n. Litter at. 3. p. 84. fig. 6. 

 Inhabits. Shell fdlid, \ an inch long. 



Shell rounded, convex, thin, fmooth, whitifh with reddifh 

 fpots: crown very obtufe, white, marginal. 

 Schroet.n. Litterat. 3. p. 84 n. 162. 

 Inhabits Ferroe JJland ; \ inch long, very entire. 



Shell ovate, thin, pellucid, with very fine crowded fjtris, 



chefnut with white fcales, within milk-white with a 



brown fpot at the bottom : crown with an azure fpot. 



Lister, tab. 530. j%. 8. Mart, conch, i. /. 12,/. 114. 



Inhabits Tranquebar. 



Yerwrfa* Shell oblong, horny, very thin,, pellucid, glabrous, with a 

 ferruginous bafe. 

 Adanf. feneg. 1. tab. 2. fig. 2. 

 Martini cOnch. I, tab. I 2. fig. 1 14. A, B. 



Inhabits Africa. Point of the crown recurved towards the hind- 

 parts of the fnail. ; 



'Iranque- 

 bartca* 



Csrnua. Shell with decuiTate grooves, thin, pale flefti-colour, with 

 an objong aperture. 

 Inhabits-^— Meufcb. Naturf* l8„ tab, 2. Jig. 9. U 9. a. 



Incurva. SJiell entirely white, flat: point of the crown twifted. 



Inhabits- — . — —Meufch. Naturf. 18. tab. i. fig. 10. & 10. b. 



hterrupta. Shell oval, deprefted, glabrous, brownifh with green dots 

 difpofed in oblique interrupted rays: crown with an 

 obtufe hook. 



Schroet. Einl. in conch. Z.p. 490. n. Il6, 117. 



Inhabits—- — -about an inch long. Shell liver-colour or brown- 

 ifh with a few black dots among the green ones, within dirty 

 grey or pale olive ; the bottom liver-colour, fometimes fur- 

 rounded with a grey band. 



D. Very entire, and not pointed at the tip or crown. 



■ ' '• \ 



Afra. Shell conic, ftriate, greeniih or pale brown, within white: 



,:-i crown glabrous, white, obtufe, central: margir 



O r 



Glabrous. , , , 



fc ^ Adanf. 



