1908.1 NATURAL SCIENCES OF PHILADELPHIA. 11 



February 4. 

 Dr. William P. Wilson in the Chair. 



Thirty persons present. 



The Pubhcation Committee reported the reception of a paper 

 entitled "Acrididse (Orthoptera) from Sao Paulo, Brazil, with 

 ■descriptions of one New Genus and three New Species," by James A, G. 

 Rehn (January 27). 



WiTMER Stone made a communication on the geographical distri- 

 bution of plants and animals in Southern New Jerse3^ (No abstract.) 



February 18. 

 Arthur Erwin Brow^n, Sc.D., Vice-President, in the Chair. 



Ninety persons present. 



The reception of a paper entitled "Remarks on the Fossil Cetacean 

 Rhabdosteus latiradix Cope," by Frederick W. True (February 18), 

 was reported by the Publication Committee. 



Philip P. Calvert, Ph.D., made a communication on the general 

 results of nine years' study of the dragon-flies of Mexico and Central 

 America for the Biologia Centrali Americana. (No abstract.) 



Burton Chance, M.D., was elected a member. 



The following were ordered to be published : ^ 



