j4 (Proceedings of the 



ceeded, after thousands of experiments, in prolonging the vital- 

 ity of seeds beyond fifteen years. 



On motion, the Association adjourned until the next regular 

 meeting. 



W. J. HERDMAN, Secretary pro tern. 



March 4, 1870. 



The Association met in the Medical Lecture-Room, and was 

 called to order by the President, Dr. Cocker. 



The minutes of the previous meeting were read and ap- 

 proved. 



Propositions for membership from H. D. B^^nnett and J. 

 McDonald were received, and referred to the Board of Censors. 



The Board reported favorably, and, on motion, the Secre- 

 tary was authorized to cast the ballot for the Association, which 

 was done in favor of their election. 



Prof. Harrington, of the Board of Censors, gave notice of 

 the following lectures and papers to be presented to the Associa- 

 tion : 



Public lecture for the middle of iSIarch, Prof. Langley, on 

 the "Physical Theory of Hearing." 



At the regular meeting in April, a paper by Mr. A. Macy, 

 of Detroit, on " Iceland." 



A paper, at the regular meeting in May, by Prof. J. B. 

 Davis ; subject not yet known. 



Paper, for the regular meeting in June, by Dr. C. George, 

 on the " The Connection between Organic Germs and Disease." 



Dr. Dunster was here introduced, and delivered a very in- 

 teresting lecture on the " History of the Theory of Spontaneous 

 Generation." (See Appendix L. ) 



A discussion of the subject was participated in by Mr. Sea- 

 man, Prof. Langley and Dr. Dunster, after which the Association 



adjourned. 



P. B. ROSE, Secretary. 



