326 



BIBLIOGRAPHY OF 



2 

 2 



32 



: 2 

 : 2 

 32 



Cyclostoma obscurum Gr. preoc 



= C. Grayanum Adams. 

 Thetis preoc. = Gouldia. 

 Helix arbustorum.l 



aspersa. 



hortensis. 



virgata. 

 Notes on — 



Cape Cod 



and 

 Portland. 



32 Helix pulchella. 



32 Helix cellaria. 



II. glaphyra. 



.32 Physa hypnorum. 



32 Paludina vivipara. 



32 Lirnnaga minuta. 

 32 desidiosa. 



32 Helix lucida. 

 32 arborea. 



Kil'tSand. — Remarks on the Sexes and Habits of some of the 



Acephalous Bivalve Mollusca: by Jared P. Kirtland, M. D. 

 (From Proc. Am. Assoc. Adv. Sci., vol. v, p. 85-91. Wash- 

 ington, 1851.) 



[Notes on sexual differences, byssus, locality, rarity, &c, of numerous 

 -. — W. tf. B.] 



AliCl'Jy. — Economical History of the Fishes sold in the Markets 



of the city of New York: by Dr. S. Akerly. (From Ainer. 

 Monthly Magazine and Critical Review, vol. ii. New York. 

 Feb. 1818.) 



296 Notes on Mya arenaria. 



Venus mercenaria. 



296 Notes on Ostrea edulis. 

 (Also on page 475.) 



MeflllBCOtt. — Catalogue of Animals observed in Cook County, 

 Illinois: by Robert Kennicott. (From Trans. Illinois State 

 Agricultural Soc, vol. i, p. 577. Mollusca, p. 595. Spring- 

 field, 111., 1855.) 



[No descriptions are given. — W. Gr. B.] 



