aaa) 
*1196D. 
+1e2 7D. 
*1249D,. 
*1263D. 
*1346D, 
*1350D. 
= SLES IS) 
Flue o10)- 
*1423D. 
*21T, 
*2AT, 
*26T, 
*ZOT, 
*61T, 
*1347, 
*145T, 
*1477, 
*221T, 
* 2247, 
*238T, 
*411T, 
*467T, 
Silver—Fox Farming. 15¢ 
Food and Economic Relntions of North American Grobes 5¢ 
Damage to Range Grasses by the. Zuni Preiric Dog. 104. 
Food Habits of Some Winter Bird Visitents{ 10¢ 
Returns from Banded Birds, 1920 to 1923. 10¢ 
Status of the Pronghorned Antelope, 1922-1924, 15¢ 
Blue=-Fox Farming in Alaska. 10¢ 
Food of American Phala Opes, Avoeets, andiStilts.  10¢ 
Bats im Relation to Production of Guano and Destruction of Insects. 5¢ 
Progress of Reindeer Grazing Investigations in Alaska, 15¢ 
Beaver Habits and Experiments in Beawer Culture. 20¢ 
The Magpie in Relation to Agriculture. 10¢ 
Our Misrant Shorebirds in Southern South Americe. 5¢ . 
Returns from Banded Birds, 1923 to 1926. 20¢ 
Wild Birds Introduced or Transplanted in North America. 10¢ 
Red=Squill Powders as Raticices. 10¢ 
Life History and Habits of Grasshopper Mice, Genus Onychomys. 10¢ 
Habits and Economic Importance of Alligators. 10¢ 
Wild—Duck Foods of North Dekota:imkes. 15¢ 
Habits and Economie Status of the Pocket Gophers. 10¢ 
The Pharmacology of Thallium and Its Use in Rodent Control. 5¢ 
Western Duck Sickness: a Form of Botulism. 10¢ 
The Crested Myna, or Chinese Starling, in the Pacific Northwest. 5¢ 
North American Faunas: 
#27, 
#43, 
*45, 
*47, 
#48, 
*49, 
FDO. 
FOlw 
*Oee 
Biological Investigation of the Athabaska—-MacKenzie Region. $1.25 
Rice Rats of North "Aanere LOS. 20¢ 
Biological Survey of Alabama: 1, Physiograpny and Life Zones; 
2, Mammals. 25¢ 
Revision of American Pikas. 15¢ 
VYoles of Genus Phenacomys; 1, Revision of Genus Phenacomys: 2, Life 
History of Red Tree Mouse. 20¢ 
Biological Survey of North Dakota: 1, Physiography and Life Zones; 
2, Mammals. c0¢ 
Revision of. American Lemming Mice. 10¢ 
Taxonomic Review of American Long-Tailed Shrews (Genera Sorex and 
Microsorex). “504 
Revision of American Chipmunks (Genera Tamias and Butamias). 35¢ 
Circulars--including Biological Survey (BSC) Series: 
*61BSC. 
*820. 
*96C. 
*107C, 
“SC. 
*339C. 
*3420. 
Hawks and Owls from the Standpoint of the Farmer. 5¢ 
Improved Reindeer Handling. 5¢ (Superseded by 207M.) 
Game Birds Suitable for Naturalizing in the United States. 10¢ 
The Normal Breeding Season and Gestation Period of Martens, 5¢ 
Calculating Waterfowl Abundance on the Basis of Banding Returns. 5¢ 
Program of Waterfowl Restoration. 5¢ 
The Waterfowl Flyways of North America. 5¢ 
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