1. 
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17. 
LIST OF PREVIOUS SPECIAL SCIENTIFIC REPORTS 
"Migration of Some North American Waterfowl — A Progress Report 
' on an Analysis of Banding Records." John W. Aldrich, August 199. 
"Waterfowl Populations am Breeding Conditions - Summer 19,9 with 
Notes on Woodcock and Wilson Snipe." Walter F. Crissey, December 
19h49. 
"A Punch-card System Suitable for Use with Small Samples in Wild- 
life Management and Research." Lowell Adams, April 1950. 
"Experiments in the Marking of Seals and Sea-lions." Victor B. 
Scheffer, April 1950. 
"A Fish and Wildlife Survey of Guatamala."" George B. Saunders and 
Ancil D. Hollaway, June 1950. 
"Japanese Fur Sealing." OQliver L. Austin, jr. and Ford Wilke, 
September 1950. 
“Waterfowl Habitat Management in the Tennessee Valley."* John H. 
Steenis, November 1950. 
"Waterfowl Populations and Breeding Conditions - Summer 1950." 
C. S. Williams, April 1951. 
"Chronic Toxicity of Some New Insecticides to Bob-white Quail." 
J.» P. Linduska and Paul Springer, June 1951. 
"Effects of DDT on Saltmarsh Wildlife, 1949." Paul Springer and 
John R. Webster, June 1951. 
"Movements of Coyotes from and to Yellowstone National Park." 
W. B. Robinson and M. W. Cummings, December 1951. 
Not Published. 
‘Waterfowl Populations and Breeding Conditions - Summer 1951." 
Walter F. Crissey, January 1952. 
Investigations of Woodcock, Snipe and Rails in 1951." John W. 
Aldrich, January 1952. 
"Survival Studies of Banded Birds." Joseph J. Hickey, June 1952. 
"Movements of Waterfowl Broods in Manitoba.” Arthur S. Hawkins, 
May 1952. 
“Investigations of Methods of Appraising the Abundance of Mourning 
Doves." Leonard E. Foote and Harold S. Peters, September 1952. 
