70 PROCEEDINGS OF THE ACADEMY OF [VOL. LXXVI 



Among major groups of the fauna, this statement is particularly 

 true concerning the Mollusca. The very name "desert" seems to 

 imply a terrain ill suited for these soft-bodied, cool-blooded animals; 

 and it has been only a few years since that we began to realize 

 that aridity, far from prohibiting life of this sort, actually has 

 seemed in many instances to tend directly toward an increase in 

 the variety and richness of the fauna. Whether this would be 

 true in that classical type of desert which consists only of long 



Avifauna, no. 11, p. 1-217, pi. 1-3, 1915. 



:15a. The vertebrate fauna of the Pacific Coast. Nature and Science 

 on the Pacific Coast, p. 104-114, pi. 12-13, San Francisco, 1915. 



GRINNELL, J., & S\VARTH, H. S. 



:13. An account of the birds and mammals of the San Jacinto area of 

 southern California with remarks upon the behaviour of geographic races 

 on the margins of their habitats. University California Publications, 

 Zoology, v. 10, p. 197-406, text fig. 1-3, pi. 6-10", October, 1913. 

 Grinnell, J., and Camp, C. L. 



:17. A distributional list of the amphibians and reptiles of California. 

 University California Publications, Zoology, v. 17, p. 127-208, text fig. 

 1-14, July, 1917. 

 Hall, H. M. 



:02. A botanical survey of San Jacinto Mountain. University Cali- 

 fornia Publications, Botany, v. 1, p. 1-140, pi. 1-14, June, 1902. 

 Hall, H. M. & Grinnell, J. 



:19. Life-zone indicators in California. Proceedings California Academy 

 Sciences, (4), v. 9, p. 37-67, June, 1919. 

 MacDougal, D. T., et al. 



:14. The Salton Sea. Carnegie Institution Washington Publication 

 193, p. i-xi, 1-182, maps, pi. 1-32, June, 1914. 



:17. A decade of the Salton Sea. Geographical Review, v. 3, p. 457-473 

 :17. A decade of the Salton Sea. Geographical Review, v. 3, p. 457-473 

 text fig. 1-8, June, 1917. 



M EARNS, E: A. 



:07. Mammals of the Mexican boundary of the United States. A des- 

 cription catalogue of the species of mammals occurring in that region; 

 with a general summary of the natural history, and a list of trees. Part 1— 

 Families Didelphiidae to Muridae. United States National Museum 

 Bulletin 56, p. i-xv, 1-530, text fig. 1-125, pi. 1-13, 1907. 

 Parish, S. B. 



:07. Contributions toward a knowledge of the genus Washingtonia. 

 Botanical Gazette, v. 44, p. 408-434, December, 1907. 

 Richardson, C. H., Jr. 



:12. The distribution of Hyla arenicolor Cope, with notes on its habits 

 and variations, American Naturalist, v. 46, p. 605-611, map, October, 1912. 

 Van Denburgh, J. 



,( .)7. The reptiles of the Pacific Coast and Great Basin. Occasional 

 Papers California Academy Sciences, v. 5, 1-236, numerous text figs., 

 September, 1S97. 

 Williamson, R. S. 



'55. Report of exolorations in California for railroad routes, to connect 

 with the routes near the 35th and 32d parallels of North Latitude. Reports 

 of explorations and surveys . . . for a railroad . . . to the Pacific 

 Ocean ... in 1853-4, v. 5, pt. 1, p. 1-43, pi. 1-12, maps, cuts, 1S51 

 (Date of complete volume, L856). 



