WORMS. TESTACEA. 66. Oftrea. 271 
Media. Shell fomewhat oblong, with crowded rays. 
Inhabits Gualt. teft. tab. 74. fo N,O. 
Shell middle-fized, reddifh, faffron or piceous, 
Croceae Shell fatfroo, with muricate fealy rays alternately lefs. 
Inhabits Gualt.teft. tab. 74, f. P.. Small. 
Fhrida. Shell roundiíh, white, with rofy fpots. 
Inhabits ——— Gualt, tef]. tab. 74, f. Q. Small, radiate. 
Ochroleuca, Shell oblong, ochraceous, with rays fmooth on one part and 
granulate on the other. 
Inhabits Gualt. tef, tab, 74, f. S. Minute. 
Mujielina, Shell pale tawny, with yellow fpots and bands and fmooth 
rays: ears tranfverlely ftriate. 
Inhabits ——— Gualt. t2fl. tab. 74, f. Y. 
Sell 2% inches long and about as much broad. 
Fhmmes, Shell faffron, rather oblong, with very fine perpendicular 
ftries? i 
Inhabits —— Gualt. teft. tab. 74, f.V. Very minute. 
Imarnata, Shell rather oblong, flefh-colour, with interrupted red 
- bands and flattened rays. 
Inhabits ——  Gza/r. teft. tab; 74, f. X, Small. 
Guttatae Shell yellowifh, rounded, dotted with red, with rays un- 
equally converging at the hinge. 
Inhabits —— Gzalr. teft. tab. 74, B, B, Small. 
Deprefa, — Shell ochraceous, with flat bifid rays. 
Inhabits —— Gualt. teft. tab. 54. f. D, D. 
Sheil about an inch long and fomething broader. ' 
Regiae Shell roundifh, deep red, with ronnded rays. 
Inhabits —— Seba My. 3. ta}. 87, fig. 6. 
Ear of the lower-valve deeply emarginate, 
Palkata, Shell equivalve, with numerous fmooth rays. 
Inhabits Knorr Vergn. Y. tab. 19. f. 2. 
Refembles O. Pallium, but'is lefs rough, and has fewer rays: 
Jhell ttraw-colour with purple undulate bands. 
Seminuda. Shell orange, oblong, muricate, with fcales as far as the 
. middle; with 22 rays. 
Inhabits ——— Knorr Vergn. 6. tab.9. f. 4. 
\ Shell 1$ of an inchlong, 1i broad: ears with very fine fcales. 
Modesta ~ 
