443 
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447 
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453 
454 
455 
456 
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decisum, 
ellipticum, 
formosum, 
Jayanum, 
laeve, 
multistriatum, 
nucleolum, 
phaseolina, 
prismaticum, 
pubescens, 
pulchrum, 
purpurascens, 
reticulatum, 
scabrum, 
solidum, 
subtruncatum, 
tenue, 
variegatum, 
Zebuense, 
Californica, 
camellosa, 
Tellinoides, 
Californica, 
distorta, 
Pholadis, 
= var., 
precisa, 
rhomboides, 
s var., 
rugosa, 
22 
Conrad, Upper California, 
Sowb., West Columbia, 
Sowb., West Columbia, 
Adams, Jamaica, 
Sowb., West Columbia, 
Sowb., Philippines, 
Lam., 15 England, 
Lam., 11 Cherbourg, 
Lam, 10 England, 
Flem., England, 
Sowb., St. Elena, 
Lam., 14 England, 
Sowb., Rio Janeiro, 
Hanley, Isl. of Zebu, 
Gray, Arica, 
Nevis, Brazil, 
Lam., 8 England, 
Lam., 1 Brazil, 
Hanley, Isl. of Zebu, 
GENUS CUMINGIA. 
Conrad, St. Barbara, 
Sowb., Chili, 
Conrad, Maine, 
Cia sie 
ORDER. 
Conrad, 
Say, 
Lam., 
Turton, 
Desh., 
Lam., 
7 
1 
Jour. A. N. Sci., 7, pl. 19, f. 2. Amphidesma roseum? Sowb. 
Zool. Proc., 1882, p. 200. 
Wood’s Supp., pl. 12, f. 48. 
Proc. Bost. Soc. N. H., 2, p. 10. 
Sowb. Conch. Ill., f. 5. 
is Amphid. carnicolor, Han. 
Mont. T. B. Supp. pl. 27, f. 4. is Kellia rubra, Turton. 
is Thracia phaseolina, Kiener. 
Mont. T. Brit., pl. 26, ano Syndosmya, Recluz. 
is Thracia pubescens, Leach. 
Conch. IIl., f. 2. 
Chenu (Ervilia), pl. 1, f. 2. 
Sowb. Spec. Conch., f. 11, 12. 
Wood., pl.12, f. 9,Z. P. 1844, 17. 
Desh. Trait. El., pl. 11,f. 10-12. 
is Ervilia nitens, Turt. 
Mont. T. Brit., pl. 17, f.'7.  Syndosmya tenuis, Recluz. 
Sowb. Gen., f. 1. 
Wood's Supp., pl. 12, f. 7. 
Sowerby. 
Jour.A.N.S.,7,p.234,pl.17,£12. 
Sow. Gen., f. 3. 
Conr. Mar. C., pl. 14, f. 2. 
Mactra Tellinoides, Conrad. 
TR OPLTOLO DA: 
BIMUSCULOSA. 
Famity LITHOPHAGA. 
California, 
Rhode Island, 
N. Europe, 
New York, 
England, 
Mediterranean, 
North Europe, 
GENUS SAXICAVA. 
De 
Bellevue. 
Jour. Ac. N.Sci.,7, pl. 20, f. 9.is Saxicava Pholadis, Lam. 
Gould Invert. Mass., f. 40. 
Tutt. B. Biv., pl. 2, f. 10, 11. Byssomya Pholadis, DeBlain. 
Jour. Ac. N. Sci., v. 2, p- 318. Saxicava distorta, Say. 
Turt. B. Biv., pl. 2, f. 12. 
Poli, v. 1, pl. 15, f. 12, 18, 16. Hiatella arctica, Lam. 
Mont. T. Brit., p. 58, pl. 1, f. 4. 
Reeve C. Syst., pl. 50, f. 1-4. Mytilus rugosus, Flem, 
