BS-135. 
BS-136 . 
BS=-137. 
BS-138 ° 
BS-139 . 
BS-142 « 
Personnel in Federal game=law enforcement. By il. E. Crouch ond 
»JOb Specificétions, salaries, entra ance. requirements, duties; 
qualifications as to Dhysique, education, experience, anc 2vti- 
tude. 
The waterfowl situation: 1958-39. Pre epared in the Section of Dis- 
tribution and Migration of Birds, Division of ijildlife Researcn. 
18 pp., 1 granh, 1 map, 2 tables, My 1939. 
Comparison of Posorte on the volume of the flizitts in botk 
spring and fall migrations of 1937 and 1938. Summary of fi 
Surveys of the flyways and wintering grounds. Results 
annual January inventory. Remarks on vag limits and totel kill. 
The waterfowl population continues to increase. 
Fall and winter food habits of deer in northeastern Minnesota. ¥ 
Shaler HE, Aldous and Clarence F. Smith. 10 pp., 3 pls., < tables 
June 1939. 
Discussion of the food supply and its utilization, with report 
on 72 stomach enalyses, The food items and their frequency of 
occurrence in stomachs are tabulated. Availability of focds 
determined by ficld observations indicates decline in the winter 
carrying-capacity of the range studicd. Management to correct 
the situation is suggested. 
Sperm studies as a guide in fur-animeal breeding practicc. By 
Robert K. Endors 
of the findings. The practice may be used 1 
2 
wintijon Po oaeniy 1 ee nn AE <2 ly sy = atari 
Deseription of cauivment end methcds used and interpretatio: 
ri = 
> Wy i “ v 
ee eee = Be man 
Of Tailures 2n lnprecnation. 
Rabbit-ben construction in rclation to sore hocks, By George 5. 
Temeleron. 2c ob. Jcune LOSos. - 
e n flooring and management that will reduce the 
Ass rags > + -= 
Maloy oa as 
a & 
fe) 
reatment of affectcd animals. 
B 
wy 
}3 
£, 
5 
a 
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oO 
ct 
A survey of the annual fur catch of the United States. Prepared i 
the Section of Fur Resources, Pete of WiFa@lifc Rescarch. 19 
pp», 40 tables, June 1939. 
Total catch by spccics for 1957-38 as reported by conscrvation 
departments of 27 Statos; also detailed for Alaska aur numorous 
Statcs for various years. 
Protecting blueberries from damage by herring gulls. By Rovert C. 
McClanahan. 4 po., August 1939. 
Habits of the gulls in Washington and Hancock Counties, Maine; 
causing damage to blueberries is restricted to a srmlI proportion 
of the gull povulation; suggestions as to control by frightening 
devices and modification of cultural practices. 
Big-game inventory of the United States. Compiled in the Section 
of Wildlife Surveys, Division of Wilalite Research, li pp 
17 tables, Ausust 1939, 
shin 
