CONTENTS. 



Part 3— July 1st, 1865. 



1. Memoir of Charles B. Adams, late Professor of Zoology 



in Amherst College, Massachusetts, by Thomas Bland ... 191 



2. Descriptions of two New Species of Monocondyloea, by 



John G. Anthony 305 



3. Description of a New Exotic Melania, by John G. An- 



thony 207 



4. Descriptions of three New Species of Mexican Land 



Shells, by William M. Gabb 208 



5. Descriptions of New Eocene Shells, and References with 



Figures to published Species, by T. A. Conrad 310 



6. Descriptions of five New Species of Older Eocene 



Shells from Shark River, Monmouth Co., N. J., by T. 

 A. Conrad 313 



7. Descriptions of New Species of Melania, by George W. 



Tryon, Jr 216 



8. Descriptions of New Species of Amnicola, Pomatiopsis, 



Somatogyrus, Gabbia, Hydrobia and Rissoa, by George 

 W. Tryon, Jr 319 



9. Descriptions of New Species of North American Lim- 



nseidse, by George W. Tryon, Jr 223 



10. Remarks on the Genera Monocondyloea, D'Orb., and 



Pseudodon, Gould, with a Synopsis of the latter, by T. 



A. Conrad 233 



11. Description of a New Genus of Unionidge, by T. A. Conrad. 234 



12. Description of a New Species of Helix, by "Wesley New- 



cmb, M. D 235 



13. Review of the Goniobases of Oregon and California, by 



George W. Tryon, Jr , 236 



14. Catalogue of the Species of Limnsea inhabiting the Uni- 



ted States, by George W. Tryon, Jr 247 



15. Descriptions of New Species of Eocene Fossils, by R. P. 



Whitfield 259 



EDITOR'S TABLE. 



Reviews and Summary of Conchological Publications 269 



American. — Bibliography of North American Conchology, by Wm. G. 

 Binney.— Proceedings of the Academy of Natm-al Sciences.— Remarks 

 on Beatricese, by A. Hyatt, Jr.— Synonymy of Strepomatidse, by Geo. 

 W. Tryon, Jr. 



Foreign. — Conch ologica Iconica, by Lovell Reeve. 

 Malacologie de I'Algerie, by J. R. Bourguignat.— Journal de Conchyli- 



ologie. 

 Land and Fresh Water Shells of Denmark, by O. A. L. Morch, etc. 



Scientific Intelligence 285 



Locality of Navea Newcombii.— On the Distinctive Characters of Buli- 

 mus marginatus, and B. fallax.— New Works in Preparation.— New 

 Locality of Limnaea ampla, Mighels. 



ILLUSTRATIONS. 

 Portrait of Prof. Charles B. Adams, with Autograph. 

 Three Colored and Five Plain Plates. 



