1 V^ - 1^ li, l^i M > IKS 



I] 

 CONTENTS. V. 



9. Descriptions of New Miocene Shells, by T. A. Conrad, 186 



10. Notes on Fossil Shells and Descriptions of New Spe- 



cies, by T. A. Conrad, "188 



11. Description of a New Genus of Astartidge, by T. A. 



Conrad, 191 



12. Descriptions of New West Coast Shells, by T. A. Con- 



rad, 192 



13. Description of a New Species of Limnea, by S. S. Hal- 



deman, ......... 194 



14. Notices and Reviews of New Works, by George W. 



Tryon, Jr., 195 



American. — Land and Fresh Water Shells of North America, 

 Parts 2 and 3, by Wm. G. Binney. Catalogo de los Mo- 

 luscos de la Tsla de Cuba, by Rafael Arango. 



British. — Generic Forms of Shells, by Sowerby. Alcock on 

 the Tongues of MoUusca. Sowerby's Thesaurus Conchy- 

 liorum. Annals and Magazine of Natural History. Jour- 

 nal of the Asiatic Society of Bengal. 



French. — Journal de Conchyliologie. Revue et Magasiu de 

 Zoologie. 



German. — JVIalakozoologische Blatter. Novitates Concholo- 

 gicse, etc. 



Italian. — Rigacci's Catalogue of Shells. 



Norwegian. — Journal of the Scientific Society of Christiana. 



15. Scientific Intelligence, ...... 207 



New Locality for Glandina truncata. Shell Collecting in Bra- 

 zil. Dr. Gould's Cabinet of Shells, etc. 



APPENDIX. 



16. By-Laws of the Conchological Section of the Academy 



of Natural Sciences of Philadelphia, 



17. Prospectus of a Catalogue and Synonymy of all the 



Genera, Species and Varieties of Recent Mollusca. 



18. Catalogue and Price List of rare and valuable Concho- 



logical Works. 



19. Price List of Shells from the Poulson Collection, 



ILLUSTRATIONS, 



One Colored and Four Plain Plates, 



