216 WORMS. TESTACEA. 61. Donat. 
Muricata. Shell ovate, with muricate ftris: the margin denticulate; 
Inhabits the Indian Ocean. Muf. Lud. Uir. 496. n. 54. 
Shell gibbous reddifh, t^e frontal margin g«ping and da each 
fide in a com preffed tooth. 
* Trus. Shell oval, with tranfverfe waved erect ftriate membrana- 
ceous wrinkles or foliations. 
Donowan’s Brit. Shells. i. tab. 29. fig. 2. 
Da Cofla Brit. Conch, tab. 15. fig. 65 
Gaalt. tefi tab. 9s. fig. 
Chemn. conch. 6. tabs ey fig. 268—2 70. 
Inhabits the Mediterranean, and is found frequently on the fhorea 
of Dewonfhire and Cornwall buried in the fands: about the 
fize ofa {mall kidney-bean ; the anterior part: very obtufe and 
marked with arched wiiniles which are ere& and a little re- 
flected and larger towards the iim; thé hinge fomewhat refembles 
that of a Venus. 
Lavigata: Shell obtufe before, obfoletely ftriate at the fides, yellowith- 
green within and violet at the beaks; Margin very 
entire: hinge without marginal teeth. 
Chemn. conch. 6. tab. 25 jig. 249 
Inhabits 7razgue?ar: an inch and 6 lines long; z inches 3 lines . 
broad: margins near the beak a little incumbent. 
Spinofas ^ Shell fnowy, within blueifh: the hind-part fmooth and 
perpendicularly {triate, fore-part truncate and very 
finely cancellate; the ag fpinous. 
Chemn. conch. 6. tab. 36. fig. 258. 
Inhabits Tranquebar; very rare: beaks glabrous: hinge as ir 
D. rugofa, 
Incarnata. Shell flefh-colour, the anterior part truncate wrinkled and 
marked with reticulate ftriz, hind-part wedge-fhaped 
and furrowed with fine perpendicular ftriz. 
Chemn. conch. 6. tab. 26. fig. 259. 
Inhabits Tranquebar; fometimes croffed with a few yellowith 
bands. 
Argentea. Shell oval fmooth, olive-green within filvery: the margin 
with more elevated acute teeth near the hinge. 
Inhabits Gualt, test. tab, 88. fg. R 
Bicelers | Shell ovate, with elevated ftriz croffing a few tranfverfe 
ones; rufous with a white ray on one fide. 
Inhabits Gualt. test, tab. 88. fig. S. 
Radiata. 
