COI^ TENTS 



Page. 



1. Record of Meetings 181 



Remarks of Mr. Tryo.n on PaYtELLA Berendtii — Extract of Let- 

 ter FROM W. H. DaLI,, on LiMN.I'IA involuta. 



2. On the Relations of the Amphiperasldae. By Theoilore Gill.... 183 



3. No^es on the Land Shells of East Tennessee. By James 



Lewis, M. D 188 



4. Descriptions of New Fossil Shells of the Upper Amazon. 



Hy T. A. roamd 192 



5. Descriptions of Ne^v Tertiary Shells, -with Notes on Tw^o 



Genera of Lamellibranchiata. By T. A. Conrad I'J'J 



6. Notes on Lingual Dentition. No. 2. By W. G. Binuey and 



Thomas Bland 202 



7. On the Shells of the Holston River. By James Lewis, M. D 216 



s. On the Limpets ; -with Special Reference to the Species of 



the West Coast of America, and to a more Natural Classi- 

 fication of the Group. By William H Dall 227 



9. Notices and Reviews of New^ Conchoiogical Works. By 



George W. Tryon, Jr .- 283 



I. Ajiekican.— Synopsis of the Family Unionidae, by Isaac Lea — Canadian Naturalist — 

 Proceedings California Academy of Sciences — Proceedings Academy of Natural 

 Sciences, Philadelphia. 



II. Foreign.— vBri7is/t— Proceedings of Zoological Society-- Proceedings of Asiatic So- 

 ciety of Bengal— Annals and Magazine of Natural History — Morphological Re- 

 searches on the Mollusca — Conchologia Iconica, etc. 



French. — Journal de Conchyliologie— Revue et Magasin de Zoologie— Senoner's 



Notes Malacologiques., etc. 

 'yerma«— Kreglinger's Binnen-MoUusken— Arehiv fur Naturgeschichte — Kuster's 



Conchylien Cabinet — Novitates Conehologicse, etc. 



NOTICE TO CONTRIBUTORS. 



Authors sending specimens with their papers, can have colored illustra- 

 tions furnished without expense to them. 



Twenty copies of every contribution (without re- paging or illustration) is at 

 the service of its author, if applied for in season. 



Extra copies, re-paged, can be had on the following terms : 



25 copies. 50 copies. 100 copies. 250 copies 



16 pages, .>»4 00 $5 00 %Q 75 $10 00 



8 pages, 3 00 3 75 5 25 7 50 



2 to 4 pages, 2 50 3 12 4 25 6 25 



Uncolored plates at 3 cents each, or colored plates 12 to 18 cents each. 



Contributions, as well as Papers and Works for Review or Exchange, 



should be directed to 



Conchoiogical Section, Acitdemy of Natural Scitnce^, Philadelphia. 



