244 WORMS. TESTACEA. 64. Chama. 



Chemn. cffnch. 7, tab. 47. fg % 479 — 482. 

 2. Orange-colour. Regenf. conch. 1. tab.g.fi. 30. 

 Inhabits /«*#*, America and the Mediterranean. 

 Shell white, wi.th yellowifn, reddifh, brownifh, or violet lines 

 and veins. 



Citreus. Shell oblong, plaited, fpinous. 



Inhabits Argen<ville conch, tab. 20, /}>. K. 



Shell imbricate, about 2 inches long, i J broad ; ci^ror. -colour 

 or red with- an orange inner margin. 



64. CHAMA. Animal a Tethys: j%c// bi- 

 valve, fattier coaife : hinge \x\{\\ a callous. 

 gibbofity, obliquely mferted in an ob*? 

 lique hollow: anterior flope clofecl. 



■jfc . &?. Shell roundifh, fmopth: beaks recurved: anterior flope 



with a gaping fent. 



Lifer » tab. 275. f. ill. Barbut. lab 6. £ i. 



Bonan. recr. 2, fi. 88. Muf. Kirch. 2. jig, 92. 



Rumpf. Mfff. tab. 48. /. 10. G*«//. iftg/7. /*£. 71 , E, 



Seha Muf. 3. tab. 86. Jig. 1. 



Ginann. adriat. tab. 2. ta3, I 9. Jig* 129. 



AW JW. 6. tab. 8. / ? . 1. , ^ , 



Chemn. conch. 7. /#£. 48. Jig. 483. ^//»w»<?t/Ar« f^rv/ J Atih 



Inhabits the Adriatic and CaJ'pian feas : very large. 



Shell covered with a blackifh fkin, under which it is varied with 

 white and browniih : thick, roundifh, tranfvciiely wrinkledijj 

 clofcd ; the margin very entire; valves relembling a turgid 

 Jicart : beaks reddidi, large, twilled like a ram's horn : polteH 

 rior (lope retufc, a little elevated in the middle ; anterior flope 

 ovate-oblong, 



Gi S as > Shell plaited, with arched fcales : poilerior Hope gaping* 



with crenulate margins. 

 Lfier, tab. 35 l — 354. Barbut, tab. 6. fig: 2. 

 Rutnpfi Muf. tab. 42. A, B. Arg. <onch. tub. 23. E. 

 Bonan. recr. 2. fig 83, 84. Muf. Kirch. 2 fig. 82, 83. 

 Peti-v. Jmb. aq. tah.$,f. 13. tab. J, fig* 1 3* 

 GW/. tt/0. te£. 92./. A—G. tab. 93. f. B. 

 Klein oflr. tab. \o, fig. 53. Clear. Ma/* ^b. 29. /. 6. 

 Knorrl'ergn. I. /*£. 19. /", 3, and 6. tab* 36, /. 3. 

 Regenf. conch. \ . tab. 10. _/fg\ 48. 

 Murray tefiaceoL tab. z.f.M.ZO. 

 Chemn. conch. 7, tab. 49, f. 492 — 496. I 



2. £#»«•, 



