572 



PROCEEDINGS OF THE ACADEMY OF 



[Dec, 



the family Olcacinidce. Studies have also been made of the snails 

 collected in Arizona in 1906, an account of which will shortly be ready 

 for publication. 



Mr. E. G. Vanatta has given careful and efficient assistance in the 

 work of the department. 



H. A. PiLSBRY, 



Special Curator. 



REPORTS OF THE SECTIONS. 

 The Biological and Microscopical Section. 



Nine stated and several informal meetings have been held during the 

 year with the usual attendance. 



The following communications were made: 



On Filaria sanguinis Jiominis, b}'' Dr. T. S. Stewart. 



On Amphigyra alabaminensis , and on an apparatus for showing 

 polarized light, by Mr. F. J. Keeley. 



On motion of diatoms, by Mr. T. Chalkley Palmer. 



A paper "On Consciousness of Micro-Organisms," by Mr. John G. 

 Rothermel, was presented to a large audience by request in the Library 

 Hall. 



Dr. Sylvester J. Deehan, by invitation, read a paper "On the House 

 Fly and Its Relation to Public Health." 



Shorter communications on various subjects were made by Messrs. 

 J. A. Shulze, William B. Davis, Silas L. Schumo, Hugo Bilgram, Dr. 

 J. C. Morris and C. S. Boyer. 



The semi-centennial anniversary of the founding of the Section will 

 occur on March 30, 1908. Of the twenty-seven original members but 

 few are now living; it is hoped, however, that the occasion may be the 

 means of some commemoration of the work of the Section. 



The following officers were elected for the year 1908: 



Director, 



Vice-Director, 



Recorder, 



Correspo nd ing Secretary, 



Treasurer, 



Conservator, . 



J. Cheston Morris, M.D. 

 T. Chalkley Palmer. 

 Charles S. Boyer. 

 Silas L. Schumo. 

 Thomas S. Stewart, M.D. 

 F. J. Keeley. 



Charles S. Boyer, 



Recorder. 



