334 PROCEEDINGS OF THE ACADEMY OP 



Nov. 5th. 

 Mr. Lea, President, in the Chair. 



Twenty-seven members present. 

 The following papers were presented for publication : 

 Descriptions of new species of American tertiary Fossils, and of a 

 new carboniferous Cephalopod, by Wm. M. Gabb. 



A monograph of the genus Aegiothus with descriptions of new species, 



by Elliott Coues. .0-1,-011 



Note on the Bartram oak, (Quercus heterophylla,) by S. 1>. Buckley. 

 New species of Coleoptera inhabiting the Pacific district of the 



United States, by John L. Le Conte, M. D. 



Notes on certain Decapod Crustacea, by Wm. Stimpson. 



Nov. 12th. 

 Mr. Lea, President, in the Chair. 



Twenty-three members present. 



The following papers were presented for publication : 



Notes on Cretaceous Fossils, with descriptions of a few additional 

 new species, by Wm. M. Gabb. 



Notes on the Coleopterous Fauna of Lower California, by John L. 

 Le Conte, M. D. 



Monograph of the Poljzoa of the Secondary and Tertiary formations 

 of North America, by Wm. M. Gabb, and George H. Horn, M. D. 



New Unionida) of the United States, by Isaac Lea. 



Nov. 19th. 

 Mr. Lea, President, in the Chair. 



Thirty-four members present. 



The following papers were presented for publication : 



Description of a new species of North American Grouse, by George 

 Suckley, M. D., U. S. A. 



Descriptions of new Birds from Western Africa in the Museum of 

 the Academy of Natural Sciences of Philadelphia, by John Cassin. 



Description of a new Mexican Bat, by Harrison Allen, M. D. 



A copy of the Proceedings for September and October was placed on 

 the table. 



The following Resolution was adopted : 



That the President of the Academy be requested to invite Dr. Isaac 

 I. Hayes, commander of the late Arctic Expedition, to attend the next 

 meeting of the Academy, and to give such information as he may con- 

 sider of special interest in relation to the expedition. 



[Nov. 



