OF CONCHOLOGY. 159 



Observations on the Microscopic Shell Structure of Spirifer 

 cuspidatus, Sowerby, and some Similar American Forms. 

 BY F. B. MEEK. 



American Journal of Science and Arts. Vol. XLI. (2d series), 

 No. 121. January, 1866. 



Notice of a New Group of Eocene Shells. BY T. A. 

 CONRAD. 



Descriptions of New Species of Pupadse. by edwakd s. morse. 

 (Reprinted from the Annals of the New York Lyceum of Natural His- 

 tory, VIII., Nov., 1865.) 



Isthmia ventricosa, Maine, Concord, N. H v Mohawk and 

 Greenwich, N. Y. 

 " Bollesiana, Maine, New Hampshire, Massachu- 

 setts, New York, Norfolk, Ya. 

 " corpulenfa, Little Valley, "Washoe Co., Nevada. 

 Pupilla Blandii, Missouri River, near Fort Berthold. 



This paper contains magnified figures of the shells, and of 

 the lingual dentition and buccal plates of two of the species. 



Notes on Certain Terrestrial Mollusca, with Descriptions of 

 New Species, by thomas bland. (Keprinted from the sameO 



Proserpinella Berendti, Mexico. 

 Stenopus? Guildingi, Venezuela. 

 Helix conspecta, San Francisco, Cal. 

 Succinea Sillimani, Humboldt Lake, Nevada. 



" Stretchiana, Little Valley, "Washoe Co., Nev. 

 Verrilli, Salt Lake, Anticosti Island, Gulf of 

 St. Lawrence. 



In this paper, Proserpinella, a new genus, is described. It 

 differs from Proserpina in being destitute of a columellar fold. 

 There are also figures of the animal and dentition of the Ste- 

 nopus, and of the dentition of Gylindrella and Macroceramus, 

 with explanatory remarks. 



Achatina Californica, Pfr., is shown to be from New Gran- 

 ada instead of California. 



Finally, Pupa Rowellii, Newcomb, and Pupa Californica, 

 Rowell, are compared and figured. 



Reperterio fisieo-natural de la Isla de Cuba. 8vo. Habana. 

 No. 1, April, 1865. No. 2, May/1865. 



Review of Natural Science Literature of Cuba [including 

 Mollusca). BY D. MANUEL J. PRESAS. 



