1914] Grinncll: Mammals and Birds of the Colorado Valley 271 



1910o. Two heretofore unnamed wrens of the genus Thryomanes. Univ. 



Calif. Publ. Zool.. 5, 307-309. 

 19106. Birds of the 1908 Alexander Alaska expedition, with a note on the 



avifauna! relationships of the Prince William Sound district. 



Univ. Calif. Publ. Zool., 5, 361-428, pis. 32-34. 

 1911(7. Description of a new spotted towhee from the Great Basin. Univ. 



Calif. Publ. Zool., 7, 309-311. 

 19116. A new blue grosbeak from California. Proc. Biol. Soc. Wash.. 24, 



163, 164. 

 1911r. The linnet of the Hawaiian Islands: a problem in speciation. Univ. 



Calif. Publ. Zool., 7, 179-19.5. 



1912. The two pocket gophers of the region contiguous to the lower Colo- 



rado river, in California and Arizona. Univ. Calif. Publ. Zool., 

 10, 171-178, pi. 5. 

 Grinnell, J., and Swabth. H. S. 



1913. An account of the birds and mammals of the San Jacinto area of 



southern California, with remarks upon the behavior of geographic 

 races on the margins of their habitats. Univ. Calif. Publ. Zool., 

 10, 197-406, pis. 6-10. 

 Henshaw, H. W. 



1884. Description of a new song sparrow from the southern border of the 

 United States. Auk, 1, 223, 224. 



HOLLISTER, X. 



1909. Two new bats from the southwestern United States. Proc. Biol. 

 Soc. Wash., 22, 43, 44. 

 Howell, A. H. 



1906. Eevision of the skunks of the genus Spilogale. U. S. Dept. Agric, 



Bur. Biol. Surv., North Amer. Fauna, 26, 5.5 pp., 10 pis. 

 MacDocgal, D. T. 



1908. Botanical features of Xorth American deserts. Carnegie Inst. Wash., 

 99, 1-111, 62 pis. 



Meakxs, E. a. 



1892. A study of the sparrow hawks (subgenus Tinnunculus) of America, 

 with especial reference to the continental species (Falco sparverius 

 Linn.). Auk, 9, 2.52-270. 



1896. Preliminary diagnoses of new mammals from the Mexican border of 



the United States. Proc. U. S. Nation. Mus., 18, 443-447. 



1897. Preliminary diagnoses of new mammals of the genera Lynx, Urocyon, 



Spilogale, and Mephitis, from the Mexican boundary line. Proc. 

 U. S. Nation. Mus., 20, 457-461. 



1907. Mammals of the Mexican boundary of the United States: a descrip- 



tive catalogue oj. the species of mammals occurring in that region; 



with a general summary of the natural history, and a list of trees. 



U. S. Nation. Mus. Bull., 56, Part 1; xv J- 530 pp., 13 pis., 126 figs. 



in text. 

 Mebriam, C. H. 



1S92. The geographic distribution of life in North America with special 



reference to the mammalia. Proc. Biol. Soc. Wash., 7, 1-64, map. 

 1894. Laws of temperature control of the geographic distribution of terres- 

 trial animals and plants. Nation. Geog. Mag.. 6, 229-238. 3 pis. 



(maps). 



