1907.1 NATURAL SCIENCES OF PHILADELPHIA. 23 



February 5. 



Mr. George Vaux, Jr.. in the Chair. 



Thirty-two persons present. 



The death of Alexander J. Cassatt, a member, December 28, 1906, 

 was announced. 



The Publication Committee reported that a paper entitled 

 "Chermes of Colorado Conifers," by C. P. Gillette, had been pre- 

 sented for publication (January 28). 



Mr. Howard W, DuBois made a communication on hydraulic 

 mining in British Columbia. (No abstract.) 



February 19. 

 The President, Samuel G. Dixon, M.D., in the Chair. 



Twenty-two persons present. 



The Publication Committee reportetl that papers under the follow- 

 ing titles had been presented for publication : — 



' ' Notes on Orthoptera from Southern Arizona, with Descriptions of 

 New Species," b}^ James A. G. Relm (February 11). 



"The Morphology of Dinophilus Conklini n. sp.," by James A. 

 Nelson, Ph.D. (February 15). 



Edwin G. Conklix, Ph.D., made a communication on the embry- 

 ology of Fulgur, embodying a study of the influence of yolk on the 

 development of the egg. The paper will be published later. 



The following were ordered to be printed : 



