443 
444 
445 
446 
447 
448 
449 
450 
451 
452 
453 
454 
455 
456 
457 
458 
459 
460 
461 
462 
463 
464 
465 
466 
22 
decisum, 
Conrad, 
Upper California, 
Jour. A. N. Sci., 7, pi. 19, f. 2. Amphidesma roseum? Sowb. 
ellipticum, 
Sowb., 
West Columbia, 
Zool. Proc., 1832, p. 200. 
formosum, 
Sowb., 
West Columbia, 
Wood’s Supp., pi. 12, f. 48. 
Jayanum, 
Adams, 
Jamaica, 
Proc. Bost. Soc. N. H., 2,p. 10. 
laeve, 
Sowb., 
West Columbia, 
Sowb. Conch. 111., f. 5. 
multistriatum, 
Sowb., 
Philippines, 
is Amphid. camicolor, Han. 
nucleolum. 
Lam., 
15 
England, 
Mont. T. B. Supp., pi. 27, f. 4. is Kellia rabra, Turton. 
phaseolina, 
Lam., 
11 
Cherbourg, 
is Thraoia phaseolina, Kiener. 
prismaticum, 
Lam., 
10 
England, 
Mont. T. Brit., pi. 26, f. 3. Syndosmya, Recluz. 
pubescens, 
Flem., 
England, 
is Thraoia pubescens, Leach. 
pulchrum, 
Sowb., 
St. Elena, 
Conch. 111., f. 2. 
purpurascens. 
Lam., 
14 
England, 
Chenu (Ervilia), pi. 1, f. 2. is Ervilia nitens, Turt. 
reticulatum, 
Sowb., 
Rio Janeiro, 
Sowb. Spec. Conch., f. 11, 12. 
scabrum, 
Hanley, 
Isl. of Zebu, 
Wood., pi. 12, f. 9, Z. P. 1844, 17. 
solidum, 
Gray, 
Arica, 
Desh. Trait. EL, pi. 11, f. 10-12. 
subtruncatum, 
Nevis, 
Brazil, 
tenue, 
Lam., 
8 
England, 
Mont. T. Brit., pi. 17, f. 7. Syndosmya tenuis, Recluz. 
variegatum, 
Lam., 
1 
Brazil, 
Sowb. Gen., f. 1. 
Zebuense, 
Hanley, 
Isl. of Zebu, 
Wood’s Supp., pi. 12, f. 7. 
GENUS CUMINGIA. 
Sowerhy . 
Californica, 
Conrad, 
St. Barbara, 
Jour.A.N.S.,7,p.234,pl.l7,f.l2. 
camellosa. 
Sowb., 
Chili, 
Sow. Gen., f. 3. 
Tellinoides, 
Conrad, 
Maine, 
Conr. Mar. C., pi. 14, f. 2. Mactra Tellinoides, Conrad. 
C L 
ASS. TROPIOPODA. 
OuDEE. BIMUSCULOSA. 
Family LITHOPHAGA. 
GENUS SAXICAVA. De Bellevue. 
Californica, 
Conrad, 
California, 
J our. Ac. N. Sci., 7, pi. 20, f 9. is Saxicava Pholadis, Lam. 
distorta. 
Say, 
Rhode Island, 
Gould Invert. Mass., f. 40. 
Pholadis, 
Lam., 3 
N. Europe, 
Turt. B. Biv., pi. 2,^ f. 10, 11. Byssomya Pholadis, DeBlain. 
“ var.. 
New York, 
Jour. Ac. N. Sci., V. 2, p. 318. Saxicava distorta. Say. 
praecisa. 
Turton, 
England, 
Turt. B. Biv., pi. 2, f. 12. 
rhomboides. 
Desh., 7 
Mediterranean, 
Poll, V. 1, pi. 15, f. 12, 13, 16. HiateUa arctica, Lam. 
“ var., 
rugosa. 
Lam., 1 
North Europe, 
Mont. T. Brit., p. 53, pi. 1, f. 4. 
Reeve C. Syst., pi. 50, f. 1—4. Mytilus mgosus, Flem. 
