Proceedings 235 



254th Meeting, May, 1901. 



Lecture room of Chemistry, University of Minnesota. 



Seventy-five persons present. 



Professor Geo. B. Frankforter gave a lecture on Color 

 Photography, illustrated by man}- views, diagrams and ex- 

 periments. 



255th Meeting, October 8, 1901. 



Directors' room, Public Library. 



President Hall presiding. 



The thanks of the Academy were voted to the donors of 

 late gifts. 



W. F. Decker and W. F. Kunze were elected members. 



The program was the experiences of the members during 

 the summer in research work or at the meetings of scientific 

 gatherings. Dr. C. P. Berkey told of his work in Utah, Mon- 

 tana, and Idaho. 



Dr. H. T. Eddy spoke of the meetings of the American 

 Mathematical Society and the Institute of Electrical Engin- 

 eers. 



Prof. John Zeleny described the work of the Physics sec- 

 tion, A. A. A. S. at Denver; Drs. Frankforter and Harding of 

 the Chemical section ; Dr. A. H. Elftman of mining in Color- 

 ado. 



Prof. E. P. Leavenworth of his research work in Astrono- 

 my ; A. D. Roe of geodes, and Prof. N. H. Winchell of the 

 Geological section of the A. A. A. S., which brought forth a 

 discussion of Chamberlin's theory of Celestial Alcchanics and 

 Van Hise's theory of Ore Deposits. 



256th Meeting, January 7, 1902. 



ANNUAL MEETING. 



Xine present. 



President Hall in the chair. 



Report of Treasurer E. C. Gale: 



By balance from 1900 $ 269.99 



\\y Museum receipts, Mar. 6. 7900. to ?^rar. 



3I' 1901 707-65 



