1010] Proceedings. 5 



Whitnall, Earth, Graenicher, discussed what Mr. Whitnall termed the 

 biennial death of trees. Mr. Burrill mentioned the senile decay of 

 queen ants as an instance natural old age. 



Dr. Dernehl pointed out the failure of experiments with sterilized 

 animals fed with sterilized food based on Metchnikoff's theory. Dr. 

 P. H. McGovern supported Metchnikoff, and explained his theory of 

 the life of multicellular organisms as contrasted to that of unicellular. 



Upon motion the meeting then adjourned. 



Milwaukee, October 28, 1909. 

 Regular meeting of the society. President Barth in the chair. 



Thirty people present. Minutes of the last meeting read and ap- 

 proved. The emergency appointment of Dr. P. H. Dernehl as treasurer 

 by the chair owing to the resignation of Mr. Win. McLaren was ratified 

 by the members. Mr. Charles T. Brues of Harvard University was 

 continued in the office of editor of the bulletin by the chair. The ap- 

 plication of Miss Mary C. Lunney, 930 Cedar St. for membership was 

 read; Mr. H. L. Ward nominated Dr. S. A. Barrett, Public Museum, 

 and Mr. Henry Amos Betts, 895 Hackett Ave., for membership; the 

 names being referred to the board of directors for action, who subse- 

 quently elected them active members. 



The following resolution was introduced by Mr. Geo. W. Colles : 



Resolved, That in future at all meetings which are open to the 

 public the first four rows of seats, or such other number as the com- 

 mittee in charge shall deem proper, shall be reserved for members ; and 



That such seats shall be set off by suitable signs in the aisles at 

 the points of demarkation. 



This resolution was referred to the board of directors for con- 

 sideration. 



Miss M. L. Shorey, Professor of Biology at the Milwaukee Downer 

 College, then gave the evening's lecture on The Development of The 

 Nervous System. Miss Shorey stated that the object of her experiments 

 was to ascertain whether the neuroblasts are entirely self -differentiat- 

 ing, or if they are wholly, or in part, dependent on some stimulus arising 



