WORMS. TESTACEA. 84. Patella. 
569 
'‘^^^Aens. Shell flattidi, brownlfli, with 10 elevated ftriae : crown of 
a different colour; bottom with a pale liver-colour 
fpatulate fpot edged with glaucous and gold: inner 
margin brown. 
Sc/jrcet. «. Litterat. 3. f, 50 — 53. n, 9; — too. 
Inhabits Shell 2\ — 3f inches long ; more or lefs convex ; 
often perpendicularly ftriate, aud ufually varied' or undulate 
with black, or marked with paler linear bands : cro’vcn black 
edged with grey, or li\er-colour with angular brownilh and 
black veins, or varied with cinereous and glaucous with a 
whifilh margin, or grecnifh with a whicilh margin : rays 
to — It, with lefler ones between them, acute, obtufe or 
flattened, fometimes golden : external margin fometimes 
whitilh j inner furface with often fugacious gold fpots : fpot 
at the bottom of the fhell rarely greenifh with a whitiflt 
margin. 
Shell flattened, the fore-part narrow and rounded, yellow- 
ifh fpotted with brown, with a white crown ; with 
flat rounded equal rays. 
. SckrCet, n. Litterat. 3.^). 54, K-. tot. 2) 1 02. 
Shell I inch long, oval, within fpotted with white and 
brown with a fpatulate brown fpot at the bottom: rays to 
or 1 1. 
‘‘"’‘data. Shell fuboval, flattened, varied with brown, with rounded 
flat ribs and differently coloured crown and bottom. 
Inhabits — —Sehreet. n.Litterat. 3. p. 53. n. 103, 104. 
Shell rf—2j inches long, pale brown radiate or fpotted with 
yellow: ertrjun grey-brown or liver-colour With a white bor- 
der : margin fometimes cinereous with brown lines : bottom 
dull liver-colour with a calcareous and w'hitifli belt, or cine- 
reous varied with brownifb with a whitilh belt. 
Shell ovate, obfeurely edged with while, radiate, with 
diftant ftrite pedlinate outwardly ; crown grey: bot- 
tom with a fubfpatulate fpot furrounded with a white 
belt. 
Schroei* n. Litterat. 3. 103. a) 106, 
3, Marty n mhves-f. conch. 1. tab. 16? 
Inhabits North America : 1 J., if of an inch long' 
Shell cinereous varied with brownilh, or white radiate with 
brown : margin brown or black, within grey radiate with 
fcrown: brown or grey . 
VOL. IV,— 4 C 
Corns- 
