WORMS. TESTACEA. 84. Patella. 595 



Inhabits Shell 1 — if inch long; fometimes marked with 



more or leis elevated belts, with crowded longitudinal ftriae or 

 grooved ; yellowifh-white with narrow undulate violet or 

 cinereous rays, or half white and blue, or varied grey and 

 white, or white radiate with red grooves, or outwardly 

 marked with rofy rays, or entirely cinereous; within ufually 

 7: white, *r 



A-vdlana. Shell thin, white, with very fine ftrias: perforation oblong 

 and divided by a ligament. 



Inhabits Meufcben Naturf. 18. tab. z.fig,^ 



2. Arge.n<v, conch* tab. z. fig. E ? 

 Margin a little rcvolute each fide. 



Spinqfai Shell ovate, convex, white, with elevated ftrias growing 

 thicker towards the margin and marked with 4 rows 

 of tubercles, the exterior tubercles fpinous. 



Inhabits Schroet, EinL in conch* 2. tab. 6*fi 12, 



Shell within whitifh : crvwn rofy : perforation oblong : inner- 

 margin crenate. 



Denticular Shell ovate, gibbous, whitifh radiate with brown, within 

 ta. green, with elevated fomewhat rugged alternately 



larger ftrias : margin denticulate, crenate within. 



Inhabits — Schrat. Einl. in conch, 2, p. 513. n. 169. 



Shell an inch long, with a parallelogram perforation and white 

 bottom, 



Noduloja. Shell ovate, convex, with elevated nodulous ftrias croiling 

 thinner tranfverfe ones, within white: crown black. 

 Schrcet. Einl. in conch, z. p. 514, », 170. 

 2. SchrcEt, n.Litterat % 3. p. 160. n. 306. 



Inhabits — - Shell fometimes grey with white ftriae, within 



often marked with pale grey bands : margin repand. 



Anguflai Shell depreffed, white, with elevated ftriae, every fourth of 

 which is larger: perforation very narrow and fur- 

 rounded with a chefnut band on the outlide, and a 

 green one within. 



Schroet. EinL in conch* 2. tab, 6. fig. 13. 



Inhabits > S hell about | of an inch long. 



lnaqualis. Shell ovate, convex, with decufTate ftriae, white, fomething 

 triangular on the broader fide : perforation furrounded 

 with an elevated ring, round which is a red line. 



Inhabits - — Schroet. Einl. in conch. 2. p, 5 14. n, 1 72. 



Shell an inch long : margin with a greenifh band within. 



4 F 2 Minuta. 



