NATURAL SCIENCES OF PHILADELPHIA. 345 



Srpt. 2d. 

 Mr. Cassin in the Chair. 



Ten members present. 



The following papers were presented for publication : 



Additions to the Nomenclature of North American Lepidoptera, 

 No. 2. By Aug. K. Grote. 



Descriptions of Fossils from the Marshall and Huron Groups of 

 Michigan. By Alex. Winchell. 



Sept. 9 th. 

 Mr. Cassin in the Chair. 



Fifteen members present. 



The following papers were presented for publication : 



Catalogues of the Reptiles obtained during the Exploration of the 

 Paraguay, Vermejo and Uraguay Rivers, by Capt. T. J. Page, U. S. N., 

 and of those procured by Lieut. N. Michler, U. S. Top. Eng., Com- 

 mander of the Expedition conducting the Survey of the Atrato River. 

 By E. D. Cope. 



Supplementary note to a Synopsis of N. American Colymbidae, &c. 

 By Elliott Coues. 



Sept. IQth. 

 Mr. Cassin in the Chair. 



Ten members present. 



The following papers were presented for publication : 

 Synopsis of the Carangoids of the Eastern Coast of North America. 

 By Theo. Gill. 



Description of a new generic type of Mormyroids, &c. By Theo. Gill. 



Sept. 23J. 

 "Vice-President Bridges in the Chair. 



Seventeen members present. 



The following papers were presented for publication : 



Monograph of the family Teredidas. Notes on American fresh water 

 Shells, &c. Description of a new Genus and Species of Pholadidae. 

 By Geo. W. Tryon, jr. 



Remarks on the species comprising the genus Pediocastes. By D. 

 G. Elliott. 



On the synonymy and systematic position of the Genus Etelis. By 

 Theo. Gill. 



Sept. oOth. 

 Dr. Bridges, Vice-President, in the Chair. 

 Fifteen members present. 



On report of the respective Committees, the following papers were 

 ordered to be published in the Proceedings : 



1862.] 



