590 WORMS. TESTACEA. 84. Patella. 



Inhabits— —Schrcet. n. Litterat. 3. p. 136. n. 2622 



Shell I of an inch long, with very thin perpendicular flriae. 



Glauca, Shell ovate, narrower on one fide, very finely ftriate, blue-, 

 ifti, with a white band towards the margin and ano- 

 ther blueifh one: crown and margin white. 



Inhabits— Schraet. n. Litterat. 3. p. I 36. n. 263. 



Shell £ of an inch long, with perpendicular ftriae, within whitd 

 with a yellowifh-brown band, and another white one fur- 

 rounding the yellow bottom. 



Obfcuroi Shell ovate, flattifn, ftriate, varied with yellowifh and 

 brown and dotted with green, within brown : crown 

 bay. 



Schraet. n. Litterat. 3. /, 137. n. 264. 



Jnhabits ■ Shell hardjy half an inch long. 



Exaleta. Shell oval, fubconvex, unequally ftriate, whitifh with a] 

 few black lines reaching half-way : bottom with arn 

 ochraceous fpatulate fpot. 



Inhabits Schroet. Einl in conch. 2. p. 493. », 124. 



Shell near an inch long, within glofTy-white. 



Jffinis. Shell oval, flattifh, folid, with a few black rays reaching 

 half-way: bottom with a fpatulate white fpot. 



Inhabits Schraet. n, litterat. 3. p. 138. n. 266. 



Shell I of an inch long, refembles the lalt, but js not ftriate. 



• Ratal/:. Shell white, opake, flat, round, with a regularly toothed* 

 margin. 



Kanmacb. and Adams Microfc. p. 635. tab. x^.fg. 9, 

 Fonnd at Sandwich : very minute and rare. 



Fufcata* Shell ovate, convex, very finely ftriate and varied with 

 brown. 



Schroet. Einl. in conch. 2. p. 493. n. 1 26. 



2. Schroet. n+ Litterat. 3. p. I 38. n. 267. 



3. Sehrazt. n. Litterat. 3. p. I 39. ri. 269. 



Inhabits Shell near an inch long, with black dots, fpots and 



bands varied with chefnut and brown one*. 



Mellia. Shell rounded, folid, glabrous, honey-colour, within white: 

 crown brownifh : margin fpotted with brown and 

 filvery within: bottom with a liver-colour fpatulate 



fpot. 



Schroet< 





