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GENUS ANATINELLA. Sowerby. 
Stutchbury. 
GENUS MYOCHAMA. 
Anomioides, Stutch., Sydney, N.S.W., Zool. Jour., v. 5, pl. 42, f. 1-4. 
Crass.) DR O PAO Ora . 
Orpver. BIMUSCULOSA. 
Famity OSTEODESMATA. 
GENUS osTEODESMA. Deshayes. 
Corbuloides, Desh., Great Britain, W. G. C;, pl 18; f. 4) 5: 
ce var., Ireland, DRurts BBS plas, t. 6; 7 
cuneata, Gray, Iquiqui, Spicil. Zool., pl. 3, f. 14. 
elongata, Gray, Mediterranean, Hanley’s Spec., pt. 1, p. 25. 
hyalina, Conrad, New York, Conr. M. C., pl. 11, f. 2. 
GENUS COCHLODESMA. Couthouy. 
Leana, Conrad, New York, Jour. Ac. N.S.,6,pl.11, f. 11. 
pretenuis, Pennt., England, Turt. B. B., p. 48, pl. 4, f. 4. 
GENUS LIcuLA. Montague. 
pretenuis, Mont., Torbay, Chenu, pl. 1, f. 1. 
GENUS PERIPLOMA. Schumacher. 
angulifera, Phil., Galveston, Zeitsch Malak, 1847, p. 73. 
argentaria, Conrad, California, Jour. Ac. N.S., 7, pl. 18, f. 9. 
inequivalvis, Schum., 6. Brazil, Schum. C., pl. 5, f. 1, a b. 
Lyonsia, Turton. 
Amphidesma Corbuloides, Lam. 
Mya Norvegica, Gmel. 
Mya striata, Mont. 
Lyonsia striata, Turt. 
Anatina cuneata, Gray. 
Anatina Leana, Conrad. 
is Ligula pretenuis, Mont. 
Mya pretenuis, Mont. 
Anatina trapezoides, Lam. 
