*1151D. Silvor-rox Farming, 15^ 



*1227D, Damage to Roxige Grasses 'by the Ziini Prairie Dog, 10^ 



*1249D. Food Ha'bits of Some Winter Bird Visitants, lOi?? 



*126SD. Haturns from Banded Birds, 1920 to 1923, 10^ 



*1346D. Status of the Pronghorned .Ant&lope, 1922-1924, 15^ 



*1350D. Blue-Pox Po.rming in Alaska, 10;;^ 



*1395D. Bats in Relation to Production of QruexiO and Destruction of Insects, 5; 



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



*21T, Beaver Hah its and Experiments in Becaver Culture* 20i2f 



*24T. The Magpie in P.elation to Agriculture, 10^ 



*26T. Our Migrant Shorehirds in Southern South America, 5^ 



*32T. Returns from Banded Birds, 1923 to 1926. 20i^ 



*61T. Wild Birds Introduced or Trejisplanted in Worth America, lO^;^ 



*134T. Red-Squill Powders as Raticides, 10^ 



*145T. Life History 5Jid Eahits of Grasshopper Mice, Genus Onychomys, 10^^ 



*147T. Hah its and Economic Importance of Alligators, 10^ 



*221T. Wild-Duck Foods of North Dakota Lakes. 15^ 



*224T, Hahits cr.d- Economic Status of the pocket Gophers, lfy<P 



*238T. The Pharmacology of ThalliuTi ond Its Use in Rodent Control, 5^ 



*411T, Western Luck Sickness: a Form of Botulism, Iw^ 



*457T. The Crested Myna, or Chinese Starling, in the Pacific Northwest, 5^ 



Horth American Faunas ; 



*27, Biological Investigations of the Athah a ska-Mackenzie Region, $1,25, 



*43, Rice Rats of North America, 20^2^ 



*45, Biological Survey of Alaharaa: 1, Physiography end Life Zonesj 



2, Mammals, 25 i?^ 

 *47, Revision of American Pikas, 15^ 

 *43, Voles of Genus Phenacomj'-s: 1, Revision of Genus Phenacom.ys: 2, Life 



History of Red Tree Mouse. 20;:^ 

 *49, Biological Survey of North DsJkota: 1, Physiography and Life Zones; 



2, Mammals, SOiZ^ 

 *50, Revision of American Lemming Mice, lOiZ^ 

 *51. Taxonomic Review of American Long- Tailed Shrews (Genera Sorex and 



Micro sorex), 50?^ 

 , *52, Revision of American Chipmunks (Genera Tamias and Eutamias) , Z5<^ 

 *53. Mammals of New Mexico. $1.00 

 *54, Alaska-Yukon Carihou, 20^ 



Circulars — including Biological Survey (BSC) Series ; 



*61BSG, Hav.'ks and Owls from the Standpoint of the Farmer, 5<^ 



*82C. Improved Reindeer Handling. 5^ (Superseded hy 207M,) 



*96C. Game Birds Suitable for Naturalizing in the United States, 10?^ 



*107C, The Normal Breeding Season and Gestation Period of Martens, 5^ 



*113C, Calculating Waterfowl Abundance on the Basis of Banding Returns, 5^ 



*339C, Program of Waterfowl Restoration. 5^ 



*342C. The Waterfowl Flyways of North A'nerica. 5^ 



*343C. Quail-Food Plants of the Southeastern States, '5^ 



*362C. Food Hahits of the Coyote in Jackson Hole, Wyo, 5^ 



