276 WORMS. TESTACEA. 66, Oftrea. 
Spondilo- — Shell equivalve, pellucid, flattened, oval, beaked, glabrous, 
idea, with perpendicular undulate granulate {trix on the 
upper-valve: margin very fharp. 
Chemn. conch. 8. tab. 72, fig. 669, 670. EIE 
Inhabits Jzdia; 3 inches 2 lines long, 2 inches 5 lines broad: - 
frell white with a few tawny fpots. 
Forfiabl#. Shell plaited and terminating in a long incurved hollow 
_ beak ; the middle ribs with imbricate fpinous wrinkles ; 
the other valve flat. . 
Chemn. conch, 8. tab. 72. fig. 671, a, c. 
Inhabits the Red ea: 2 inches 3 lines long, and about an inch 
broad : the flat valve whitifh, the other fubviolet,, 
Phcatula, Shell with longitudinal wrinkled plaits ; the lower-valve a 
little lefs and flatter. 
Gualt. teft. tab. 304, fig. A. 
Chema. conch. 8. tab. 73. fig. 674. 
Inhabits American and Mediterranean feas: varies very much in 
fhape and fize, but is generally cinereous with a mixture of 
violet, fometimes white with red or blueifh ftreaks, 
Shell oblong, rugged; the upper-valve lamellate with a 
denticulate margin, the other excavated and longitudi- 
nally grooved; beak prominent. 
Gualt. teft. tab. 102, fig. D- —* 
Chemn. conch. 8. tab. 73. fg» 676. 
Inhabits the Mediterranean’; upper-valve yellowifh-green, the 
other violet varied with white ; within cretaceous or chalky- 
white. 
Rostrata, 
Virginica. Shell nearly equivalve, thick, rough, lamellous; one valve 
| with a prominent beak. 
Lifter conch. tab. 200. fig. 34- 
Chemn. conch. 8. tab, 73. fis. 677. 
2. Lister conch. tab. 201. f. 35. 
Chemn, conch, 8. tab. 74. fig. 678. 
Inhabits American and Indian Oceax: 9 inches long and 4 broad : 
whitifh or ochraceous, within glofly-white. 
Cornucopia, Upper-valve flat, lower-one hollow and ftriate, rough with 
fcales, wrinkles and plaits, and ending in an elongated 
beak. 
Born Muf. Caf. Vind. tet. tab. 6, fig. 11, 12, 
Chemn. conch. 8. tab 74. fig» 679. 
Inhabits the Jndian and African ocean, 
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