1908] Proceedings of the Society 31 



and the internal parts become semi-fluid, the parasite moults 

 and grows very rapidly completely destroying the host, (July). 

 The pupa digs toward the surface by wriggling movements of the 

 body, and the adult emerges when the surface is reached). V. E. 

 Shelford. Read by title. 



"Circitmfili in the Cecidomyiidce." (A discussion of the mor- 

 phology and taxonomic value of these organs). Dr. E. P. Felt. 



Dr. Riley thought that Dr. Felt's second explanation was 

 correct, — that the circumfili are modified hairs. 



"Ancestral Ephemeridce from the American Permian forma- 

 tion. " (A group of true Ephemeridas obtained from the Permian 

 of Kansas. The earliest known true Ephemerids, and with the 

 exception of a few Russian specimens, all that are known from 

 the Permian. They present a distinct early stage in the evolu- 

 tion of the Ephemerid line). Dr. E. H. Sellards. Title only. 



Mr. Kwiat described the collecting grounds around Chicago. 



Mr. J. H. Cook read a paper on the habits of the larvae of 

 Lycsena. 



The meeting then adjourned until 1 1 o'clock on the following 

 day. 



At eight p. M. the annual address before the Society was given 

 in the botanical lecture room of the University by Prof. Herbert 

 Osborn, entitled, "The Habits of Insects as a Factor in Classifi- 

 cation." 



Afterwards the Society and their guests were entertained by 

 the Entomological Section of the Chicago Academy of Science 

 at a very enjoyable smoker. 

 Business Meeting. 



On Tuesday, Dec. 31, at 11 a. m., the annual business meeting 

 was held, Dr. Fletcher in the chair. 



The Secretary read the minutes of the last annual meeting, 

 also of the special meeting held in Boston in August. These were 

 adopted as read. 



The Secretar}^ read a report from the Executive Committee 

 embracing statement of accounts, the election of members and 

 Fellow^s at the last meeting of the Committee, and a series of reso- 

 lutions on publication adopted by the Committee from the report 

 of their committee on publication. 



These items were as follows: 



