138 ENTOMOLOGICAL NEWS [Mar., 'll 



Doings of Societies. 



AMERICAN ENTOMOLOGICAL SOCIETY. 



A meeting was held December 22nd, 1910. Dr. Philip P. 

 Calvert, President in the chair. Ten persons present. The 

 reports of the Treasurer, Curator and Librarian were read. 

 This being the annual business meeting, the following officers 

 for 191 1 were duly elected: 



President, Philip P. Calvert ; Vice-President, Henry W. 

 Wenzel ; Treasurer, E. T. Cresson ; Recording Secretary, Henry 

 Skinner; Corresponding Secretary, E. T. Cresson, Jr.; Curator, 

 Henry Skinner ; Librarian, E. T. Cresson, Jr. ; Publication 

 Committee, E. T. Cresson, C. F. Seiss and B. H. Smith; Ex- 

 ecutivc Committee, Philip Laurent, H. W. Wenzel and D. M. 

 Castle; Finance Committee, J. W. McAllister, C. S. Welles 

 and D. M. Castle. 



Henry Skinner, Secretary. 



ENTOMOLOGICAL SECTION OF THE ACADEMY 

 OF NATURAL SCIENCES OF PHILADELPHIA. 



A meeting was held December 22nd, 1910. Ten persons 

 present. In the absence of the Director and \ice-Director, Dr. 

 D. M. Castle presided. The annual reports of the officers were 

 read. Mr. E. T. Cresson, Chairman of the Publication Com- 

 mittee, stated that on October 27th last he had received the 

 resignation of Dr. Henry Skinner as Editor of Entomological 

 News and that it had been accepted with regret. Dr. Philip 

 P. Calvert was elected Editor, E. T. Cresson. Jr., Associate 

 Editor, Erich Daecke was elected a member of the Advisory 

 Committee and Dr. Henry Skinner Editor Emeritus. 



Dr. P. P. Calvert exhibited a larva and an adult of the 

 Odonate genus Cora from Costa Rica, interesting as possess- 

 ing tracheal gills along the ventral side of abdominal segments 

 2-7 of the larva. It is the first American species known to pos- 

 sess such gills, although Hagen in 1880 described larvae of the 

 Oriental genera Eitpliaea and Anisoplcura which have gills 



