143 
(weight 15 pounds). The exhibit consists of 44 pictures, arranged 
in sets of four, for such topics as forest fires, lumbering, forests 
and water supply, and how the national forests are used. Appli- 
cations should be made directly to the Forester, Washington, 
Professor Josephine E. Tilden, of the University of Minnesota, 
has been given leave of absence on half salary, for the coming 
year, to carry on botanical research in the Islands of Tahiti and 
New Zealand. 
We learn from Science (31 May) that Dr. B. M. Duggar, of 
Cornell University, has been elected to fill the professorship of 
plant physiology and applied botany in Washington University, 
St. Louis. 
Professor F. O. Grover, head of the department of botany in 
Oberlin College, has been appointed by the faculty to represent 
the college in the Ohio Biological Survey. 
At the University of Pennsylvania Guy E. Albert, of York 
Springs, and John Y. Pennypacker, of Philadelphia, have both 
received university scholarships in botany. 
The following botanists have been elected to the fraternity of 
Sigma Xi at Columbia University: C. A. Darling, B. O. Dodge, 
R. C. Benedict, and W. S. Cameron. 
