$86 WORMS. TESTACEA. 84. Patella. 
compofed of crowded yellow rigid crifp hairs united to the 
reft of the body by a bluetendon; ovaries branched orange; 
eggs globular. 
Guttata. Shell very finely ftriate and varied with dots of different 
colours: bottom dufky. 
Schrat, Einl. in conch. 2 tab. 6, fig. 2, 3. 
Inhabits——— 12 an inch long: ‘refembles P. toits Tas 
S bell generally « cinereous, with fometimes a peach-colour bloom, 
or liver-colour variegated with white, with green and white 
dots moftly difpofed in rays or rows, and generally with 2 or 
3 darker bands or belts ; fometimes marked with decuffate ftriz, 
Mytilifor- Shell glabrous, lead-colour, with a white horfe-fhoe fhaped: 
iid band within. 
Schrat. Einl. in conch. 2. tab. 6; fig.5. 
Inhabits Ferree I/land, adhering to Zoophytes. 
Sheil about £ of an inch long, refembling a Mytilus, darker from 
the back to the crown; the bottom paler, 
Scutiformis Shell oval, thin, black with white perpendicular flattened 
. ftriz. 
Schrat. t, Litterat. 3. b. 103. 2. 199--201. 
Inhabits Shell not an inch long, whitifh within; rarely 
cheínut : crown generally grey : Gottom with a brownifh fpot, 
Cochlear. Shell white, flattiíh, one part narrow, caniculate within 
with a blueifh callus fhaped like a horfe-fhoe, the 
other part rounded. 
Knorr Vergn. 2. tab. 26. fig. 3. 
2. Schret.n. Litterat. 3. p. 105--107. 1. 204--207. 
3. Born. Muf. Caf. Vind. tefl. tab. V8. fig. 3. 
Inhabits —— She/] 1—2 inches long, fometimes íolid, often 
tranfverfely barred and ftriate, the interftices of the ftrie 
chefnut ; the margin often ftriate on the outfide. 
Craticulata Shell oval, thin, depreffed, cancellate, radiate. 
Schrat. n, Litterat. 3. p. 11. 2. 216--220, 
Inhabits------ Sheil 1--13 of an inch long, generally hoary within 
white, with chefnut or reddith- -grey or red or yellowith- 
brown or alternately red and white rays, and fometimes 2 
darker tranfverfe bands: crowa grey, cinereous, ochraceous or 
white, fometimes dotted with red: Zottez; moflly white. 
Crueztata, Shell oval, a little convex, varied with red and flightly 
todthed, with elevated unequal rough ftriz. 
Schroct, m. Litterak Bape 113s 7, 2214-225. 
Inhabits 
