4 CATALOGUE OF AUTHORS. 



Binney, W. G. Report upon the Land Shells collected by the Survey. In Vol. 

 VL of Pacific Rail Road Exploration Report. Washington, 1857. 



Vide Say. 



Bland, Thomas. Remarks on certain Species of Noi'th American Helicidaj, 

 with Descriptions of new Species. PartL New York, 1858. From vol. vi. of Ann. 

 of Lye. Nat. Hist, of New York, p. 277-299, Febr. 1858; p. 336-358, Sept. 1858. 



Bourgignat, J. R. Du genre Carychium. In Revue et Magasin de Zoologie, 

 Mai, 1857. 



Carpenter, P. P. Cat. of the Reigen Collection of Mazatlan MoUusca. War- 

 rington, 1855 - 57. 



Report on the Present State of our Knowledge with Regard to 



the Mollusca of the West Coast of North America. (From the Report of the Brit. 

 Ass. Adv. Sc. 1856.) London, 1857. 



Case, William. Description of two new Species of Shells in Silliman's Journal, 

 N. S. Vol. 111. No. 7, Jan. 1847. 



Chenu. Hlustrations Conchyliologiques, &c. 



Delessert, Benj. Receuil de coquilles decrites par Lamarck et non encore 

 figurdes, 1841. 



Fabricius, 0. Fauna Groenlandica. 1780. 



Foi-bes, Edward. In Proc. of the Zoological Society of London. 



Forbes and Hanley. A History of British Mollusca and their Shells. 4 vols. 

 1848-52. 



Frauenfeld, G. In Verhandlungen des Zoologisch-botanischen Vereins zu 

 Wien, 1854. 



Die Gattung Carychium. Aus dem lahreshefte des lahrganges 



1856 der Sitzungsberichte der mathem.-naturwiss. Classe der Kais. Akademie der 

 Wiss. (Band xix. S. 70.) Wien, 1856. 



Gould, A. A. In Agassiz's Lake Superior, &c. 1850. 



Mollusca of the United States Exploring Expedition. Boston, 



1852. The plates ai-e not yet published. 



Grateloup, S. Distribution Geographique de la Famille des Limaciens. Bor- 

 deaux, 1855. 



Gray, J. E. Catalogue of Pulmonata, or Air-breathing Mollusca in the Collec- 

 tion of the British Museum. Part I. March, 1855. 



and Pfeiffer, L. Catalogue of Plianeropneuraona or Terrestrial 



Operculated Mollusca in the Collection of the British Museum. London, 1852. 



Gray, M. E. Figures of Molluscous Animals, selected from various Authors. 

 Vol. IV. 1850. 



Held in Isis. 



Higgins, Frank. Catalogue of Shellbearing Mollusca inhabiting the Vicinity of 

 Columbus, Ohio, &c. 



Kiister, H. C. Auriculacea (1844). Truncatella (1855). Bulimus, Achatina, 

 and Pupa of the new edition of Martini and Chemnitz Conchylien Cabinet. 



Lapham, I. A. Catalogue of Wisconsin Mollusca. In the Trans, of the Wis- 

 consin State Agricultural Soc. Vol. II. Madison, 1852. 



Lea, Isaac, in Transactions and Proceedings of the American Philosophical 

 Society, and in the Journal and Proceedings of the Philadelphia Academy of 

 Natural Sciences, passim. 



Lewis, James. Shellbearing Species of Mollusca observed in Portions of Herki- 



