Record. lxi 



November 5, 1900. 



President Engler in the chair, nineteen persons present. 



It was reported by the Council that in accordance with 

 Articles XII and XIII of the By-Laws the following names 

 had been canceled from the list of members: H. C.Frank- 

 enfield, W. H. Hammon, John M. Holmes, John A. James 

 James, John Pickard, and William J. Seever. 



Dr. T. Kodis delivered an address on electro-chemical 

 theories of animal electricity, analyzing the theories which in 

 the present state of knowledge seem possible as accounting 

 for the origin of electrical currents in animal nerve tissue, 

 and reaching the conclusion that the only tenable theory is 

 that of chemical differences in the contents of the components 

 of the body. 



Messrs. Marquard Forster, A. Nasse and Herbert F. Rogers, 

 of St. Louis, and Professor T. G. Poats, of Clemson College, 

 South Carolina, were elected to active membership. 



Three persons were proposed for active membership. 



November 19, 1900. 



President Engler in the chair, nineteen persons present. 



Mr. C. F. Baker exhibited a large amount of living and 

 preserved material, including microscopic preparations, illus- 

 trative of American Isopods and Amphipods, accompanying 

 the demonstration by a short resume of the work thus far 

 done on Crustacea, particularly on these two groups, and 

 making some interestingly suggestive remarks on the peculiar 

 affinities of a number of the species found in deep wells or 

 hot springs. 



Dr. Amand Ravold presented an abstract of the results 

 reached in some recent bacteriological examinations of water 

 from the Illinois, Mississippi and Missouri rivers, particularly 

 a series of cultures made under aseptic conditions from the 

 contents of the digestive tract of sixty-eight fish of thirteen 

 species and the soft-shelled turtle, from points in the Missis- 

 sippi and Illinois rivers a short distance above Grafton. In 

 sixty-nine per cent, of the fish examined, the Bacillus coli- 

 communis, which is commonly accepted as an index of the 



