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University of California Publications in Zoology [Vol. 27 
1896. The geographical distribution of Batrachia and Beptilia in North 
America. Am. Naturalist, 30, 886-902, 1003-1026. 
A general discussion of geographic distribution with critical 
attention to the Nearctic Region and lists of amphibians and reptiles 
from the major life-provinces of North America. 
Coues, E. 
1875. Synopsis of the reptiles and batrachians of Arizona; with critical field 
notes, and an extensive synonymy. Iiept. Geog. and Geol. Expl. and 
Surveys west of 100th meridian [= Wheeler Survey], 5, zoology, 
pp. 509-584, pis. 16-25 (part). 
Coues, E., and Yarrow, H. C. 
1878. Notes on the herpetology of Dakota and Montana. Bull. U. S. Geol. 
and Geog. Surv. Terr., 4, 259^-291. 
[Crosswhite, E., and Wyman, M.] 
1920. [Figure and notes on abnormal toad, evidently Bufo boreas halophilus ]. 
Jour. Ent. and Zool. (Pomona College, Claremont, Calif.), 12, 78, 
1 fig. 
Dickerson, M. C. 
1906. The frog book (New York, Doubleday, Page & Co.), xvii-t- 1-253 pp., 
col. pis. 1-16, halftone pis. 1-95, 35 text figs. 
Contains brief accounts, with figures, of all of the principal west- 
ern species of Salientia. 
Ditmars, R. L. 
1906. Our collection of amphibians. Ann. Rept. New York Zool. Soc., 10, 
1905 [1906], 145-157, illus. 
Duges, A. 
1834. Recherches sur Posteologie et la myologie des batraciens a leurs differ- 
ents ages. Memoires par PInstitut de France, pp. 5 + iii-v + 6-216, 
pis. 1-18. 
Dunn, E. R. 
1918. The collection of Amphibia Caudata of the Museum of Comparative 
Zoology. Bull. Mus. Comp. Zool. (Harvard College), 62, 445-471. 
Locality records for many western species; discussion of generic 
groupings, and of nomenclature of Salamandridae. 
1920. Notes on two Pacific Coast Ambystomidae. Proc. New England Zool. 
Club, 7, 55-59, 3 figs, in text. 
Amby stoma tenebrosum and Triton ensatus shown to be the same 
species. 
1922a. The sound-transmitting apparatus of salamanders and the phylogeny of 
the Caudata. Am. Naturalist, 56, 418-427. 
Dicamptodon ensatus shown to be separate from Amby stoma on 
basis of sound-transmitting apparatus. 
1922ft. Two new insular Batrachoseps. Copeia, no. 109, pp. 60-63. 
Batrachoscps leucopus from Los Coronados Islands, Lower Cali- 
fornia, and Batrachoseps catalinae from Santa Catalina Island, Cali- 
fornia. 
1923a. Mutanda herpetologica. Proc. New England Zool. Club, 8, 39-40. 
