Wild Ducks in Halation to Hieo Caltoro 
in California* 
Introduction. 
From August 16 to October 17, 1*18, 1 was engaged in studying 
the relation of wild ducks to rice culture in the Sacramento Valley in 
California* The California State Fi should Cams Commission were actively 
interested in the investigation and cooperated with the Department of 
Agriculture by placing the serwioee of the game wardens in whose dis- 
tricts the rice fields were located at my disposal. These men were 
equipped with automobiles operated at state expense and through their 
knowledge of the region rendered invaluable aid. Thanics are due es- 
pecially to Deputy Wardens 3. J. Carpenter of Maxwell and £• D. Bio- 
i 
ketts of Live Oak for their hearty cooperation in every possible way. 
Following is the itinerary followed during this investigation: 
dan Franoisoo, 
AUg. 
16 
Jac ramen to , 
IV 
17 
Maxwell, 
ft 
16-21 
Maxwell to Live Oak 
•« 
22 
Live Oak 
ft 
23-26 
Sacramento 
It 
27 
San Francisco 
N 
26 
Sacramento 
ft 
29 
Willows 
ft 
30- Sept 
Maxwell 
5*pt. 
2-3 
• 
Live Oak 
n 
4 
Maxwell 
ft 
408 
