598 WORMS, TESTACEA. 84. Patella. 
Ovalis. | Shelloval, fomewhat convex, thin, with crowded ftrie, 
grey with blackifh rays and fpots. | 
Inhabits Schroct. Einl. in conch. 2. tab, §. fig. 10. 
Shelf near an inch long: crexvz obtufe, yellowifh furrounded 
with a band of white dots: Ze/foz: cinereous furrounded with 
a white band. | 
Rabe, Shell a little convex, firiate, reddifh: crown whitifh fpot- 
j ted with red; bottom whitith. 
Inhabit: Schroet. n. Litterat. 3. p.122. m. 238, 239. 
Shelf abeve half an inch long, fometimes thicker or thinner. 
SpeGabilis, Shell flaitifh, a little wrinkled, firiate, reddifh-white with 
a chefnut band towards the crown and another bay one 
at the margin. 
Inhabits Schroet. n. Litterat. 3. p.124. 7. 241. 
Sell 3 inches long, with about 18 larger ftrie and numerous 
leffer ones between them: eroxwz flat, cinereous: Jotrom with 
a fpatulate white fpot fuzrounded with a cinereous and a red- 
à difh border. 
L 
Confpurca- Shell folid, flattifh, ftriate, black with cinereous dots, within 
fa. c blueifh: crown dirty. yellow. 
Inhabits Schroet. Einl. in conch. 2. p. 497- 1. 133+ 
Shell near 2 inches long, narrower on one fide, with flattened 
ftriz : internal margin filvery : bottom with an oval liver-colour 
{pot furrounded with a white horfe-fhoe fhaped band. 
Melanostic- Shell folid, flattifh, ftriate, whitifh with cinereous rays and 
ta. black dots, within blueifh: crown a little pointed and 
whitith. 
Schroet. Etnl, in conch, 2. tab. 6. fig. 9. 
Inhabits rcfembles P. confpurcata, but is lefs and fubpel- 
lucid, and the black dots are difpofed in 5 or 6 belts: dattom 
{qualid furrounded with a horfe-fhoe-fhaped grey band. 
Aira, Shell black, ftriate, with a paler crown: bottom with a 
brownifh mark furrounded with a white horfe-fhoe- 
fhaped band. ; 
Inhabits Schroet.n, Litterat 3. p. 129+ n. 251, 
Shell ik inch long: crown white or variegated brownifh and 
{traw-colour: internal zargi» cinereous or blue: Zortom with 
a brown or variegated white and brownifh fpatulate fpot. . 
Specularis, Shell oval, convex, folid, glabrous, liver-colour, within and 
the crown brownith, the latter furrounded with a white 
border and interrupted brownifh band. 
Inhabits 
