Technical Bulletins — Including Department (P). Series : 

 *205D. Eleven Important ?Ji Id- Duck Foods, bfp 



♦619D. Food Haoits of the Swallows, a Family of Valua"ble ITative Birds; 5<^ 

 ♦10893. Reindeer in Al&ska. 25^^ 

 *1091D. Life History of the Kangaroo Rat. lb(j; 

 *1145D. Migration Records from \7ild Ducks and Other Birds Banded in the Salt 



Lai^e Yalley, Utah. 5^ _ , 



*1151D. Silver-Fox Farming. 15^ 



*1268D. Returns from Banded Birds, 1920 to 1923. 10^ 

 *1345D. Status of the Pronghorned Antelope, 1920-1924. 15-/ 

 *1350D. Blue-Fox Farming in Alaska. IQi;^ 



*1423D. Progress of Reindeer Grazing Investigations in Alaska. 15^ 

 *21T. Beaver Hahits and Experiments in Beaver Culture. 20^ 

 *24T. The Magpie in Relation to Agriculture. 10^ 

 *25T. Our Migrant Shorehirds in Southern South America. 5^ 

 *32T. Returns from Banded Birds, 1923 to 1925. 20^ 

 *61T. VJild Birds Introduced or Transplanted in North America. lOf/? 

 *134T. Red-Squill Powders as Raticides. ' lOf 



*145T. Life History and Haoits of Grasshopper Mice, Genus .Onychomys. 10(2^ 

 *147T. Hahits and Economic ImportcJice of Alligators. 10^ 

 *221T. 'Tild-D-ack Foods of North Dakota Lakes. 15^ 

 *224T. Hahits and Economic Status of the Pocket Gophers. 10^;? 

 *238T. The Pharmacology of Thallium and Its Use in Rodent Control. 5^ 

 *411T. Y/estcrn Duck Siciaiess: a Form of Botulism. 10^' 

 *467T. The Crested Myna, or Chinese Starling, in the Pacific Northwest. 5^ 



North Ajnerican Faunas ; 



*27. Biological Investigations of the Athahaska-Mackenzie Region. $1.25 



*43. Rice Rats of North America. 20^ 



*45. Biological Survey of Alaham.a: 1, Physiography and Life Zones; 



2, Mammals. 25 rf 

 *47. Revision of Ainerican Pikas. 15;?? 

 *48. Voles of Genus Phenacomys: 1, Revision of Genus Phenacomys: 2, Life 



Plistory of Red Tree Mouse. 20f^ 

 *50. Revision of American Lemming Mice, 10^ 

 *51. Taxonomic Review of Ai'nerican Long-Tailed Shrews (Genera Sorex and 



Microsorex). 50(j: 

 *52. Revision of American Chipmunks (Genera Tamias and Eutamias). 35^'^ 

 *53. Mammals of Nev; Mexico. $1.00 

 *54. Alaska-Yukon Carihou. 20^ . 



Circulars — includinF^-; Biological Survey (BSC) Series : 



*613SC. Hawks and Ovds from the Standpoint of the Farmer. 5;;f 



*82C. Improved Reindeer Handling. 5{# (Superseded "by 207M.)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 Vfaterfowl Abundance on the Basis of Banding Returns. 5;^ 



*339C. Progra:n of Waterfowl Restoration, bij: 



*342C. The V'aterfoivl Flyways of North America. 5<^, 



*348C. Quail-Food Plrnts of the Southeastern States. 5^ 



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