*1151D. Silver-Fox Farming. 15¢ 
*1196D. Food and Economic Relations of North American Grebes. 5¢ 
*1227D. Damage to Range Grasses by the Zuni Prairie Dos. 10¢ 
*1249D. Food Habits of Some Winter Bird Visitants. 10¢ 
*1268D. Returns from Banded Birds, 1920 to 1923. 10¢ 
*1346D. Status of the Pronghorned Antelope, 1922-1924. 15¢ 
*1350D. Blue-Fox Farming in Alaska. 10¢ 
*1359D. Food of American Phalaropes, Avocets, and Stilts. 10¢ 
*1395D. Bats in Relation to Production of Guano and Destruction of Insécts. id¢ 
*1423D. Progress of Reindeer Grazing Investigations in Alaska. 15¢ 
*21T. Beaver Habits and Experiments in Beaver Culture. 20¢ 
“247. The Mazspie in Relation to Agriculture. 10¢ 
*26T. Our Migrant Snorebirds in Southern South America. 5¢ 
poet Heburns from Banded Birds, 2925 to 1926. 20¢ 
*61T. Wild Birds Introduced or Transplanted in North America. 10¢ 
*134T. Red-Squill Powders as Raticides. 10¢ 
*145T. Life History and Habits of Grasshopper Mice, Genus Onychomys. 10¢ 
*147T. Habits and Economic Importance of Alligators. 10¢ 
*221T. Wild-Duck Foods of North Dakota Lakes. 15¢ 
*224T. Habits and Economic Status of the Pocket Gophers. 10¢ 
*238T. The Pharmacology of Thallium and Its Use in Rodent Control. 5¢ 
*411T. Western Duck Sickness: a Form of Botulism. 10¢ 
*467T. The Crested ifvna, or Chinese Starling, in the Pacific Northwest. 5¢ 
North American Faunes: 
*27. Biological Investigations of the Athabaska-MackKenzie Region. $1.25 
*43. Rice Rats of North America. 20¢ 
*45. Biological Survey of Alabama: 1, Physiography and Life Zones; 
2, Mammals. 25¢ 
*47. Revision of American Pikes. 15¢ 
*48. Voles of Genus Pheneacomys: 1, Revision of Genus Phenacomys: 2, Life 
History of Red Tree Mouse. 20¢ 
*49, Biological Survey of North Dakota: 1, Physiography and Life Zones; 
2, Miammals. 60¢ 
*50. Revision of American Lemming Mice. 10¢ 
*51. Taxonomic Review of American Long-Tailed Shrews (Genera Sorex and 
Microsorex). 50¢ 
*52. Revision of Amcrican Chipmunks (Genera Tamias and Eutamias). 35¢ 
*53. Mammals of New Mexico. $1.00 
Circulars—-incluéing Bislosical Survey (BSC) Series: 
*61BSC. Hawks and Owls from the Standpoint of the Farmer. O5¢ 
*B82C. Improved Reindeer Handling. 5¢ (Superseded by 207M.) 
*96C. Game Birds Suitable for Naturalizing in the United States. 10¢ 
*107C. The Normal Breeding Season and Gestation Period of Martens. 5¢ 
*118C. Calculating Waterfowl Abundance on the Basis of Banding Returns. 5¢ 
*339C, Program of Waterfowl Restoration. 5¢ 
*342C. The Waterfowl Flyways of North America. 5¢ 
*Z48C. Quail-Food Plants of the Southeastern States. 5¢ 
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