378 
WORMS. TESTACEA. 66. Oftres. 
Sehrat. Einl. conch, 3. p. 378. 
Found firmly fixed with the Lepas Tintianabulum. 
Annulata.’ Shell equivalve orbicular white, with concentric femicircles. 
Inhabits North Seas. Mull, Zool, Dan, prodr. 2987. 
Retufa. Shell equivalve oblong white glabrous ftriate; with an um- 
bo or knob UNES frorh the hinge. 
Inhabits North Seas. Mull. Zool. Dan, prodr. 2988, 
C. Hinge with a perpendicular groaved line, 
Perna. Shell equivalve obovate unequal, rounder at one end. 
Barbut. tab. 9. fig. 3. Lifer. tab. 199. 228. 
Klein oft. tad, 8. fig. 19, 20. Seba Muf. 3. tab. go. 
Martin Bejch Naturf. 3. tab, 7. fig, 20, 2t. 
Chemn. conch. 7. tab. $9. sig. £79. 580. 
Schret. Einl. in conch. 3. tab, 9. fig. 8. 
Inhabits the Indian and American Seas; about 2} inches long, 
and in figure fomething reíembles a ham or gammon of bacon: . 
fel] white or dull ferruginous, lamellate, fmooth at the hinge, 
with a fhort ftraight open beak, 
Lignum. Shell equivalve, with a largerlobe nearly forming a right 
Ze 
3+ 
4. 
angle with the hinge. 
Barbut. tad. 9. fig. 4. Rumpf. Muf, tab. 47. I. 
Petiv. Amb. aq. tab. 20. fig. 11. 
Klein ohr. tab. 8. fg. 15. Seba Muf. 3. t. 91. f. 6, 
Chemn. conch. 2. tab- $9. ie 584. 
Seba Muf. 3. tab. 91. fig. 
Gualt. tef. tab. 97. A. uh abb, tab, 13. fig 3+ 
Seba Muf. 3, tab. gr. 
Knorr ath ae t. ce eg 2. and 6. 1. 15. f. 1. 
Martin Befch. Naturf. 4. t. 2. f. 194 
Chemn. conch. 7. tab. 69. fig. 582. 
Chemn. conch. 7. tab. $9. fig» $83. 
Inhabi:s the Indian Ocean and South Seas; 6—7 inches long, and 
about 1 2 broad in the middle: fell black with a violet mixe 
ture and pearly within; lamellate with an open beak ; a very 
rare fbell. 
Ephitpium. Shell equivalve M compreifed (3 9X0 abdito 
Lifter conch. tab. 227. Klein, ojir. tab. 18. fig. 8 
Seba Muf. 3. tab, ES A in n 
Knorr. Vergn. 6. tab. 21. fg. Y. 
Martin Befch. Naturf. 3. t. 7. f. 22. 
Che tie COW b. "74 tab. 8. * e 77° 
Ws ee VIARUM Inhabits 
