258 PROCEEDINGS OF THE ACADEMY OF* 



September 3d. 



Dr. Leidy in the Chair. 



Eleven members present. 



The following papers were presented for publication : 



" On the genus Podothecus, by Theodore Grill." 



" Description of a new generic type of Blennoids, by Theodore Gill." 



" Monograph of the Tridigitate Uranoscopoids, by Theodore Gill." 



"Synopsis of the Polynematoids, by Theodore Gill." 



September 10th. 

 Dr. Leidy in the Chair. 



Twenty-one members present. 



The following papers were presented for publication : 



" Rectification of the paper upon Hemiptera of the North Pacific 

 Exploring Expedition, by P. R. Uhler." 



" Homoptera of the North Pacific Exploring Expedition, under 

 Commanders Rodgers and Ringgold, by P. R. Uhler." 



" Descriptions of four new species of Hemiptera, collected by the 

 North Western Boundary Survey, by P. R. Uhler." 



" Nine new species of North American Limnobiadae, by R. Osten 

 Sacken." 



"Contributions to the Ophiology of Lower California, Mexico and 

 Central America, by E. D. Cope." 



September 17th. 



Vice-President Bridges in the Chair. 



Eighteen members present. 



A paper was presented for publication entitled, " List of the Mol- 

 lusca inhabiting the neighborhood of Philadelphia, by Win. M. Gabb." 



September 2th. 



Vice-President Bridges in the Chair. 



Twenty-seven members present. 



On report of the respective Committees, the following papers were 

 ordered to be published in the Proceedings. 



On the genus PODOTHECUS. 



BY THEODORE GILL. 



In the Proceedings of the Academy of Natural Sciences for April, 1861, a 

 very characteristic type of the family of Agonoids, recently discovered by Dr. 

 Kennerly, the Naturalist of the North-western Boundary Survey, has been 

 noticed. The following full and detailed description of the species is now 

 submitted. The analytical table of the family will exhibit the relations of the 

 genus to the other members of that group. 



[Sept. 



