WORMS. TESTACEA. 66. Oflrea. 271 



MeMa, Shell fomewhat oblong, with crowded rays. 

 Inhabits — I — Gualt. teft. tab. 74. / N,0. 

 Shell middle-fized, reddiih, faffron or piceous. 



Crocea* Shell faiFron, with muricate fcaly rays alternately lefs. 

 Inhabits Gualt. teft. tab. 74, /. P. Small. 



Florida. Shell roundifh, white, with rofy fpots. 



Inhabits — Gualt, tejl. tab. 74, f. Q_ Small, radiate, 



Qchroleuca. Shell oblong, ochraceous, with rays fmootlj on one part and 

 granulate on the other. 

 Inhabits Gualt. tejl, tab, 74, /. S. Minute. 



Muftelina* Shell pale tawny, with yellow fpots and bands and fmooth 

 rays: ears tranfverlely ftriate. 



Inhabits Gualt. tejl. tab. 74, f. T. 



Shell z\ inches long and about as much broad. 



Flammea* Shell faffron, rather oblong, with very fine perpendicular 

 ftrise. 

 Inhabits — Gualt. teft. tab. 74, /. V. Very minute. 



Intarnata. Shell rather oblong, flefh-colour, with interrupted red 

 bands and flattened rays. 

 Inhabits Gualt.teft. tab. 74, f. X. Small. 



Guttata* Shell yellowifh, rounded, dotted with red, with rays un- 

 equally converging at the hinge. 

 Inhabits Gualt. teft. tab. 74, B, B. Small. 



Depreffa, Shell ochraceous, with flat bifid rays. 



Inhabits Gualt. teft. tab. 74. f % D. D. 



Shell about an inch long and fomething broader, j 



Regia % Shell roundifh, deep red, with rounded rays. 



Inhabits Seba Muj. 3; tab. 87, fig. 6. 



Ear of the lower-valve deeply emarginate. 



Palliata, Shell equivalve, with numerous fmooth rays. 



Inhabits Knorr Vergn. 1. tab. 19./. 2. 



Refembles O. Pallium, but is lefs rough, and has fewer rays : 

 fhell flraw-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. /. 4* 



Shell t J of an inch long, i| broad: ears with very fine fcales. 



Modesta 



