326 



BIBLIOGRAPHY OF 



Page. 



23 Cyclostoma obscurum Gr. preoe. 



= C. Grayanum Adams. 

 29 Thetis preoc. = Gouldia. 

 32 Helixarbustorum.l 

 32 aspersa. 



32 hortensis. 



32 virgata. 



Notes on — 

 32 Helix pulchella, 



Cape Cod 

 y and 

 Portland. 



32 HelLx cellaria- 



H. glaphyra. 



32 Physa hypnorum. 



32 Paludina vivipara. 



32 Limnaea minuta. 

 32 desidiosa. 



32 Helix lucida. 

 32 arborea. 



Kirtlawd.' — Remarks on the Sexes and Habits of some of tbe 

 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 

 species. — W. Gl. B.] 



Ak€rly. — Economical History of the Fishes sold in the Markets 

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

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

 Feb. 1818.) 



Page. 



296 Notes on Mya areliaria. 



296 Venus mercenaria. 



Page. 



296 Notes on Ostrea edulis. 

 (Also on page 475.) 



-Catalogue of Animals observed in Cook County, 

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

 Agricultural Soc, vol. i, p. 511. Mollusca, p. 595. Spring- 

 field, 111., 1855.) 



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



TTnio parvus Barnes. 

 Alasmodonta calceolata 

 Cyclas similis Say. [Lea. 

 Helix mono don Rack. 



proftinda. 

 Planorbis campanulatus 



trivolvis Say. [Say. 



Limnea reflexa Say. 



fragilis Lum. 



Page. 





Page. 



595 



Unio alatus Say. 



595 



595 



CO status Raf. 



595 



595 



iris Lea. 



595 



595 



bullatus Raf. 



595 



595 



fragilis Raf. 



595 



595 



luteolus Lam. 



595 



595 



dilatatus R.of. 



595 



595 



coccineus Hildr. 



595 



595 



cardium Raf. 



595 



