UNITED STATES DEPARTMENT OF AGRICULTURE 
BUREAU OF BIOLOGICAL SURVEY 
WASHINGTON, O. C. 
| H !-i ‘f 
H 
October 0, 1914. 
Mr. Alex Wetraore, 
Care, Marion Hotel, 
Ogden, Utah. 
Dear Mr. Wetraore: 
The water samples you recentl^bent have been re- 
ceived and will be transmitted to the Bureau of Chemistry 
at once. All of the other packages have arrived safely. 
The small ones which you have marked "Hold" are in your 
desk and the large ones in the taxidermist's shop. 
Concernin'? vour camera. I should think it would be 
best to wedge the diaphragm open or remove it altogether 
and depend on snapshots entirely. If you have a good 
lens you will have fair success with detail pictures 
even then. 
Your report on the number of duck3 killed at the 
opening of the season suggests that you may have a good 
opportunity of collecting stomachs and crops showing 
what the normal food of ducks of the region is. We shall 
♦ 
have to get material from thi3 locality sometime and may 
as well begin now. 
I wish to congratulate you on the result of your 
experiment in producing the disease in teal with an 
alkaline solution. Even if sick ducks are lacking you 
can undoubtedly do good by continuing these experiments. 
From your success in killing teal I should judge that 
