WORMS, TESTACEA. $9. Cardium, 204 
Knorr Vergn. 4. tab. 34, f. 3, 0. t. 5.7. 4. 
Chemn. conch, 6. tab. 16. fig. 170. 
Inhabits fhores of Africa and America. 
Papyracee Shell pellucid, cinereous, with thin longitudinal ftriz; 
“as Inhabits India. Chemn. conch. 6. tab. 18. fig. 184. 
Shell very brittle, within white, with purplifh fpots. 
Shell thick, with longitudinal anterior ftriz, and tranfverfe 
poíterior ones. 
Lifer conch. tab. 314. Argenv. conch. tab, 21, A. 
Bonan. recr. 2. fig gt. Mauf: Kircb. 2. fg, 89. 
Knorr. Vergn. 5. tab. 26, f. Y, 2. tab. 27, fr 5. 
Chemn. conch. 6. tab. 18. f. 187, 188. 
Inhabits Guinea and the Antilly Iflands; very convex, varied 
with white and reddifh. 
Acolicum. 
Cblongum. Shell yellowifh, oblong, turgid, ribbed, the anterior parts 
glabrous, heart-fhaped, with a crenate margin. 
Chemn. conch. 6. tab. 19, fig. 1906 
Born. Muf. Caf. Vind. tet. tab. 3, f. 8. 
Inhabits the Mediterranean: 3 inches long, and about 21 broad : 
ribs about 40. 
Crafum. Shell brownifh, rather oblong, thick, antiquated, with 
deeper teeth on the margin. 
Schret. Einl, conch, 2. tab. 7, fig. 12. 
Lifter conch, tab. 332. fig. 169. 
Inhabits the Mediterranean and North Seas; re(embles C. ob- 
longum, but is much larger, not fo narrow; thicker, and has 
abouc 23 flatter ribs, 
Latum. Shell broad, with unequal fides, within white; the ribe 
rather flat and fpinulous. 
Chemn, conch. 6. tab 19. fig. 192, 193. 
Knorr Vergn 6. tab. 7. fig. 6, 
Born. Muf. Caf. Vind. Teft. tab. 3, f- 9. 
Inhabits Tranquebar and Nicobar ifland:: 2 inches long, 22 
broad ; fometimes white on the crown, yellowifh in the mid- 
dle and edged with yellow; fomctimes the crown is varied 
with brown, the other part yellowish with a few brown bands. 
*Pygmaum Shell fomewhat heart-fhaped, fubangular; the grooves im- 
bricated or befet with recurved fcales. 
Donovan, i. tab. 32, fig. 3. Lifer conch, tab. 317. 
inhabits Englz coast : reddifh-brown or blueifh-white. 
