Br] 
THIRTEENTH ANNUAL MEETING OF THE IN- 
DIANA ACADEMY OF SCIENCE. 
The thirteenth annual meeting of the Indiana Academy of Science 
was held in Indianapolis, Wednesday and Thursday, December 29th and 
30th, 1897, preceded by a session of the Executive Committee of the 
Academy, 8 p. m., Tuesday, December 29th. 
At 9a.m., December 29th, President Thomas Gray called the Academy 
to order in general session, at which committees were appointed and 
much other routine and miscellaneous business transacted. After the 
disposition of these affairs the reading and discussion of papers of the 
printed program, under the title of “General Subjects” occupied the time 
until adjournment at 12 m. 
The Academy met at 2 p. m. in two sections, biological and physico- 
chemical, for the reading and discussion of papers. President Thomas 
Gray presided over the physico-chemical section and Vice-President C. 
A. Waldo over the biological section. At 5 p. m. the section meeting 
adjourned to meet in general session of the Academy at 7 p. m. 
The Executive Committee met at 5:30 p. m., holding a brief business 
session. 
Academy met 2 p. m. Following the disposition of committee reports 
and the transaction of other business the retiring president, Dr. Thomas 
Gray addressed the Academy on “The Development of Electrical 
Science.” 
Thursday, December 30th, 9:20 a. m., the Academy met in general 
session for the transaction of business, after which it divided into ‘sec- 
tions for the consideration of papers. President Gray acted as chair- 
man of the physico-chemical section, Vice-President Waldo presided over 
the biological. ; 
Adjournment of physico-chemical section, 10:20 a. m. 
Adjournment of biological section, 12:15 p. m. 
