June 22, 1951 
Dr. Irving Burr, 
c/o Department of Mathematics, 
Purdue University, 
L^afayette, Indiana. 
Dear Dr. Burr: 
The enclosed may serve as a little souvenir 
of our meeting in the Kirtland's Warbler territory 
earlier this month. 
This was certainly a memorable experience 
and one that I shall not forget. 
Sincerely yours. 
Enclosure. 
A. Wetmore, 
Secretary. 
