Technical Bullet ins- "'Continued« 



*26Tt Our Migrant Sl'iore'birds in Southern South America. 5^ 



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



*134T. Red-Sq.uill Powders as Raticides. 10^ 



*145T. Life History and Hatits of Grasshopper Mice, Genus Onychomys. IQxp 



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



238T. The Pharmacology of Thallium and Its Use in Rodent Control, 



*411T« Western Duck Sickness; a Form of Botulism. 10^2^ 



*467T. The Crested Myna, or Chinese Starling, in the Pacific Northwest. b(J! 



*608T. Pocket Mice of Washington and Oregon in Relation to Agriculture. 10^ 



616T. The Reproductive Cycle of the Coyote. 



North American Faunas ; 



*47. Revision of American Pikas. 15^^ 



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



History of Red Tree Mouse. 20^ 

 *50. Revision of American Lemming Mice. 10^ 

 •51. Taxonoraic Review of American Long>*Tailed Shrews (Genera Sorex and 



Microsorex). 50<p 

 *53. Mammals of New Mexico. $1.00 

 •54. Alaska-Yukon Caribou. 20j^ 

 *55. Mammals and Life Zones of Oregon* 75^ 

 •56. Revision of the North American Grotond Squirrels. 40^ 



Circulars*»-includina: Biological Survey (BSC) Series ; 



•61BSC. Hawks and Owls from the Standpoint of the Farmer. 5^^ 



*82C. Improved Reindeer Hnadling. 5^ (Superseded hy 207MO 



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



3420. The Waterfowl Flyways of North America. 



•348C. Q,uail-Food Plants of the Southeastern States. 5^ 



•3620. Food Hahits of the Coyote in Jackson Hole, %o. 5^ 



•363C. The Migration of North American Birds. 10^ 



■370C. Food Hahits of Common Haviks. 



381C. Rodents and Moles as Pests in Bulh Plantings. 



•409C. Effect of Thallium on Plant Growth. 5/ 



410C. Results from Breeding Rahhits that are Suckling Young, 



412C. Groups of plants Valuable for Wildlife Utilization and Erosion Control. 



423C. The House Rat. 



428C. Flight Speed of Birds. 



433C. Crow-Waterfowl Relationships; Based on Preliminary Studies on 

 Canadian Breeding Grounds. 



460C. Silver Fox Pelt Prices as Affected by Time of Pelting, Sex, 'and Age. 



474C, Muskrat Investigations in Dorchester County, Md., 1930-34. 



Miscellaneous Publications ; 



*88M. The United States Department of Agriculture; Its Structure and 



Functions (with chapter on the Biological Survey). 15^ 

 •115M. Information for the Guidance of Field Men and Cooperators of the 



Bureau of Biological Survey Engaged in the Control of Injurious 



Rodents and Predatory Animals. b<p 

 127M. Peafowl and fheir Care. 



-3- 



