10 BIBLIOGRAPHY OF [PART II. 



[Many other United States species and synonymy are given in 

 this paper.— W. G. B.] 



December, 1S54. 

 ii 8 Criticism on Dr. Binney's Terrestrial MoUusks of United 



States. 



Angnst, 1835. 

 ii 90 Pfeiflfer. — Kritische Bemerkungen liber die von D'Orbigny 



beschriebenen Landsnecker von Cuba : vom Dr. L. Pfeiffek. 



ii 93 Helix Lavelliana^ Jl.'rainuscula. 



ii 94 Pupa Parriana = P. fallax. 



ii 97 Cyclostoma Auherianum ^ C. dentatum. 



April, 18.56. 



iii 43 Diagnosen neuer Landslmecken. 



iii 43 Helix Mazatlanica Pfr. Mazatlan. 



iii 46 Bulimus chordatus Pfr. Mazatlan. 



iii 47 Cylindrella goniostoma Pfr. Mexico. 



