3ULLETIN UNIVERSITY OF MONTANA, 
No. 10. 
BIOLOGICAL SERIES No. 3. 
A Biological Reconnoissance 
FLATHBRAD LAKK 
n 
MORTON 3 BLROD. 
Professor of Biology, University of Montana, Director University of Montana Biological Station, 
President Montana Academy of Sciences, Arts and Letters. 
Prepared at the 
T)NIVERSITY OF MONTANA BIOLOGICAL STATION, 
Bicrork, Mont, 
University of Montana, Missoula, Mont., U.S. A. 
1902 | 4, 
S> 
