WORMS. TESTACEA. 64. Chama. 249 
"Bora Muf. Caf. Vind. tef. tabs 5. f. 12—14. 
Chemn. conch. 7. tab. 51. fig. 507—509. 
Inhabits /xdia, and is found adhering to rocks. 
Shell yellow er white with red beaks, within glabrous; the up- 
per valve a little lefs and flatter ; in the hinge of the lower 
valve an obtufe thick broad callus crenate on each fide, with 
an oblique adjacent hollow. 
Gryphoides. Shell orbicular, muricate; one valve a little flatter, the 
other with a fubfpiral produced beak. 
Sloan. Jamai. tab. 241. f. 4--7. Lister, tab. 212, 213. 
«anf Seneg. Y. tab. 15. Kleinoffr. tab, 12. f. 86. 
Gaalt. tefl. tab. 101, fg. C—F., 
Knorr Vergn. 6. tab. 16. f. 1. 
Chemn, conch, 7. tab. $1. fig. 510—515. 
2. Gualt, test. tab. 101. fig. Li 
3. Knorr Vergn. 3. tab. 6. fig. 1. 
4. Sebrezt. Einl. in conch. 3. tab. 8 f. 1g. 
5. Chemn conch. 9. tab. 116. fig. 992. 
6. Chemn conch. 9. tab. 116, fig. 993. 
Inhabits the Mediterranean, American and Indian íeas, fixed to 
rocks: yellow or red varied with reddifh or white: fcale: 
fometimes more foliaceous, fometimes arched and muricate. 
Bicornis, Shell with conic valves, and horn-fhaped oblique tubular 
beaks longer than the valve. 
Lifter. tab. 214. Klein. ofr. tab, 12. fig. 97,88. 
Major teftac. tab. 2. Gualt. teft, tab. 101. fa G. 
Chemn. Naturf. 20. tab. 1. fig. 1—$. 
Übemn. conch. 7. tab. 52. fig. 516—520. 
Schret. Einl. in conch. 3. tab. 8, fig. 18, 
Inhabits American, Indian and Mediterranean feas. 
Shell yellow each fide red or white, with imbricate lamella and 
feldom wrinkled. ; 
Atcinella. Shell grooved, muricate, with excavated dots: hinge with 
a feffile callus. » 
Lifter conch. tab. 355. Olear. Muf. tab. 29. f. 3. 
Bonan. recr. 3. f. 336. .Muf. Kirch. 2. f. 111. 
Chema. 7. tab. 52. f 5525 553- Leffer teft. f 98. 
Knorr. Vergn. 6. tab, 14. fig. 1. t. 36. f 1,2. 
Inhabits the American Ocean; 2 inches broad and nearly as much 
long: white with fometimes rojy fpines, within yellowifh: 
the margin crenate: pofterior excavation large, heart fhaped, 
warty, wrinkled, with frequently an appendage on one fide, 
M 
