396 THE AMERICAN NATURALIST. [VoL. XXXII. 
During that year a map was. made of the lake bottom, a brief 
survey of the animal contents was undertaken, and material 
was collected for the main object of the station, the study of 
variation. 
The trustees appropriated in the two years following $200 
and $300, respectively, to provide permanent equipment to carry 
on the work and furnish accommodations for additional students. 
INDIANA BIOLOGICAL STATION. 
A building 18 x 55 feet, two stories high, was erected for the 
station by the owner of the ground. 
The conditions for biological work, coupled with camp life on 
a fine lake, five miles from the nearest village, free from the 
university lecture-hour appointments, proved so attractive that 
during the second summer the number of students rose from 
Ig to 32, and in the third to 68. 
The advantages for biological work at a biological station all 
recognize to be ideal; here some of the enthusiasm of the older 
natural history is aroused. To the special advantages mentioned 
should be added the acquisition on the part of the student of 
the ability to help himself, to adapt himself to new environments. 
Most of the failures by teachers of biology in the secondary 
