AMEEICAN 



JOURNAL OF C0NCH0L0GY. 



NEW SERIES 



PUBLISHED BY THE 



CONCHOLOCrlOAL SECTION of the Academy of Natural Sciences of Philadelphia 



Vol. IV. 1868. No. 5. 



Meeting December 3d, 1868. 



Twelve Members present. 



Mr. Tryon, Vice-Director, in the Chair. 



Several donations to the Museum and Library were reported. 



The following papers were presented for publication, and re- 

 ferred to committees : 



" Descriptions of some new species of Secondary Fossils from 

 the Pacific States;" by Win. M. Gabb.* 



" Catalogue of the Families Saxicavidae, Myidse and Cor- 

 bulidse;" by George W. Tryon, Jr. 



" Catalogue of the Family Tellinidae. Part 2d. Sub-families 

 Donacinae and Scrobicularinse ;" by George W. Tryon, Jr. 



'* Descriptions of and References to Miocene Shells of the At- 

 lantic slope of the United States, and descriptions of two new 

 (supposed) Cretaceous species," and " Description of a new Unio 

 and Fossil Goniobasis;" by T. A. Conrad. 



*On account of the necessity of preparing five plates to illustrate this 

 paper, its publication will be delayed until the first part of Vol. 5th. 



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