f 
WORMS. TESTAGEA. 68. Mytllus. 295 
Shell fmooth ; the valves 2-lobed, lobe at thehinge longer 
and thinner. 
Lifter, tab. zzo, ZZ4. Barbut. tab, U./^. 8. 
Admit fitieg. i. tab; 15. fig. 6. 
Argen<v. (onch. tab, l<). B. Gualt, ted. tab. 94 ’ 
Rumff. MuJ. tab. 46. G. Peti^v. amb. tab, l<).fig‘ 9. 
Bonan. recr. Z.fig. 58. Muf. Kirch, l.f. 57. 
Klein ofir. tab. '^.fig. * 3 ; 9 ‘f' 3 ®" 
Knorr. delic Nat. tab, B, iv. fig. 7. 
Knorr Kergn. 4, tab. S.fiig. 5 ^*'d J* t. lo,/, ij Z. 
Chemn. conch. 8. tab. il.fig. 7ZZ-.— 7Z5. 
2. Chemn. conch, 8. tab. 726. 
3. Chemn. conch- 8. tab. ^i,fig, JZ"]. 
4. Gualt. tat. tab, 94. A. Knorr. Kergn. 6. tab. zi 
Chemn. conch. 8. tab. %l.fig. 728. 
5. Adansfeneg, l, tab. t^ifig, J. 
64 Chemn, conch. 10. tab. lyi.fig. 167Z. 
Inhabits the Indian American Mediterranean and Atlantic Seas, in 
great varieties of fize thicknefs form colour and markings t 
fiell contrafted at the bafe, with very fine and crowded tranf- 
verle wrinkles j within pearly. 
Wr.- 
Ut. 
Shell oblong, more obtufe on the fore-part, rough with' 
tranfverfe wrinkles. 
It. Wgothitab. S-fig- 22. 
Mull. Zool, Dan. 3, /. II. tab. Sy.figc 1—3. 
Chemn. conch. 8. tab Sz. fig. r r, 1 j 1 
Inhabits the North Seas, and penetrates beds of Coral and rocks 
like the Phloas: about if inch long and if broad; the ends 
not quite clofed : hinge w'ithout teeth, or with a very fmall 
one.' 
Shell very finely ftriate ; the hinge terminal and i-toothed. 
■Born Muf. Caf, Kind, teft. tab. 7. fig. J ? 
Chemn. conch. 8. tab. ^l)-fig. 7 + 4 * 
Schreet. Einl. in conch. 3. f. 9./'. 16. 
Inhabits the Northern zesA. Indian Seas i if inch long and ij 
broad: ^sZ/femilunar, dilated on the fo -part, fuodiaphanous, 
chefnut: the margin very finely crenate outwardly. 
Shell fiattilh on one fide and inflefled, with convergent in- 
curved beaks ; hinge t -toothed. 
Chemn. conch, 8, tab, %z.fig. 732. 
Inhabits the American Ocean ; within pale cla^ -col )ur' covered 
with a brown coat or ikin. 
Shell rhombic inequilateral, tranfverfely ftriate and wrink» 
led: beaks incurved. 
Chemng 
