RECORDS. 109 



SECOND SESSION. 

 December 28, p.m. 



President Gilbert in the chair. Thirty-five members present. 



Dr. C. A. Oliver opened the afternoon meeting with an illus- 

 trated paper on "■ Color Blindness and a Color Sense Measurer," 

 followed by a discussion by Profs. Martin, Davis, and others. 



Prof. Hyatt delivered a paper entitled " A Method of Instruct- 

 ing Large Classes with Specimens." 



Prof. H. Newell Martin exhibited several pieces of physiologi- 

 cal apparatus recently devised at the Johns Hopkins Biological 

 Laboratory. 



Prof. Henry Sewall displayed and explained the working of 

 several pieces of Physiological apparatus lately invented at the 

 Universitv of Michigan. 



THIRD SESSION. 

 December 29, a.m. 



President Gilbert in the chair. Thirty-eight members present. 



The morning was mainly devoted to the two addresses by Prof. 

 Henry S. Williamson methods of instruction in General Geology, 

 and by Prof. William M. Davis on instruction in Geological In- 

 vestigation. 



Joseph P. Lesle}^ LL.D., wliose name was recommended to 

 the Society by the Executive Committee, for honorary member- 

 ship, was unanimouslv elected. 



It was moved by Prof. Davis that the Executive Committee be 

 requested to consider an amendment to Article 11. , Section i, of 

 the Constitution, to the end tliat election to membership shall be 

 accomplished by the Executive Committee ; and that a report on 

 such amendment be made at the meeting a year hence. 



Cari'ied. 



