WORMS. TESTACEA. 59. Cardium. 
207 
>in,. 
^col, 
Knarr l^ergn, 4, tab. I4> 3> 3‘/' 4' 
Chemn. conch. 6. tab. \’] 0 . 
Inhabits Ihores of Africa and Amrica. 
Shell pellucid, cinereous, with thin longitudinal ftrix. 
Inhabits India. Chemn. conch. 6. tab. 18. ;»4- . 
Shell very brittle, within white, with purpulh Ipots. 
Shell thick, with longitudinal anterior ftrioe, and tranfverfe 
pofterior ones. 
Lilier conch, tab. 314. Argennj conch, tab. 21, A. 
Honan, recr. fg 9 ^* lAuf. Kirch, t'.fiz* ® 9 * 
Knorr. Vergn. 5. tab. 26,/. i, 2. tab, ‘i'J, f. 3. 
Chemn conch. 6. tab. 18. f. 187, 188. _ 
Inhabits Guinea and the Antilly IJlands ; very convex, varied 
with white and reddilli. 
»t. 
•P 
’gm. Shell yellowilh, oblong, turgid, ribbed, the anterior parts 
glabrous, heart-lhaped, with a crenate margin. 
Chemn, conch, 6. tab. fg. 190. 
Born. Mu/. Caf. Find, ted tab. f ^ 
Inhabits the Mediterranean t 3 inches long, and about 2 j 
ribs about 30. 
broad ; 
Shell brownifli, rather oblong, thick, antiquated, with 
deeper teeth on the margin. 
Schrcet. Einl. conch, 2. tab. 7, fg. la. 
Lifer conch, tab. 112 . fig. 169. 
Inhabits the Mediterranean and North Seas ; refembles C. ob- 
longum, but is much larger, not fo narrow, thicker, and has 
about 23 flatter ribs. 
Shell broad, with unequal Tides, within white ; the rjb§ 
rather flat and fpinulous. 
Chemn. conch. 6. tab 19. fig. 192, 193. 
Knorr Vergn 6 tab 7. Jig. 6, 
Born. Muf. Caf. Find. left. tab. f. <). 
Inhabits Lranquebar and Nicobar IJlands: 2 inches long, 2i 
broad ; fometimej white on the crown, yellowilh in the mid- 
dle and edged with yellow ; fometimes the crown is varied 
with brown, the other part yellowilh with a few brown bands* 
Shell fomewhat heart-fliaped, fubangular; the grooves im- 
bricated or befet with recurved fcales. 
Boncman, i. tab, ‘^ 2 , Jig. 3. Lifier conch, tab. 
Inhabits EngUJh coasts : reddilh-brown or blueilli -white. 
Macuf 
