20 INDEX TO PAPERS RELATING TO FOOD OF BIRDS. 



Fauna 7. The Death Valley expedition. A biological survey of 

 parts of California, Nevada, Arizona, and Utah. 402 pp. 15 

 pis. 2 figs. 5 colored maps. May 31, 1893. 

 Report on the ornithology of the Death Valley expedition of 1891, 

 comprising notes on the birds observed in southern California, 

 southern Nevada, and parts of Arizona and Utah. By A. K. 

 Fisher, M. D. [pp. 7-158, colored map 3]. 



Fauna 14. Natural history of the Tres Marias Islands. Mexico. 97 

 pp. 1 pi. [map]. 2 figs. April 29, 1899. Birds of the Tres 

 Marias Islands. By E. W. Nelson [pp. 21-62]. 



Fauna 16. Kesults of a biological survey of Mount Shasta, Cali- 

 fornia, by C. Hart Merriam. 179 pp. 5 pis. 46 figs. October 

 28, 1899. 



Fauna 19. Results of a biological reconnoissance of the Yukon River 

 region. 100 pp. 7 pis. [1 map]. Oct. 6, 1900. Birds of the 

 Yukon region, with notes on other species. By Louis B. Bishop, 

 M. D. [pp. 47-96]. 



Fauna 21. Natural history of the Queen Charlotte Islands, British 

 Columbia. Natural history of the Cook Inlet region, Alaska. 

 By Wilfred H. Osgood. 87 pp. 7 pis. [1 map]. 1 fig. [map]. 

 Sept. 26. 1901. 



Fauna 22. A biological investigation of the Hudson Bay region. By 

 Edward A. Preble. 140 pp. 14 pis. [1 map]. Oct. 31, 1902. 



Fauna 24. A biological reconnoissance of the base of the Alaska 

 Peninsula. By Wilfred H. Osgood. 86 pp. 7 pis. [2 maps]. 

 Nov. 23. 1904.' 



Fauna 25. Biological survey of Texas. Life zones, with character- 

 istic species of mammals, birds, reptiles, and plants. Reptiles, 

 with notes on distribution. Mammals, with notes on distribu- 

 tion, habits, and economic importance. By Vernon Bailey. 222 

 pp. 16 pis. [6 maps]. 24 figs. [16 maps]. Oct. 24, 1905. 



Fauna 27. A biological investigation of the Athabaska-Mackenzie 

 region. By Edward A. Preble. 574 pp. 25 pis. [4 maps]. 16 

 figs. [4 maps] . October 26, 1908. 



Fauna 30. Biological investigations in Alaska and Yukon Territory. 

 1. East central Alaska. 2. The Ogilvie Range, Yukon. 3. The 

 Macmillan River, Yukon. By Wilfred H. Osgood. 96 pp. 5 

 pis. [1 map]. 2 figs. [maps]. October 7. 1909. 



Fauna 33. A biological survey of Colorado. By Merritt Cary. 256 

 pp. 12 pis. [1 map]. 39 figs. [29 maps.] Aug. 17, 1911. 



