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1859 Hallowell, E. Explor. and Surveys Pacific R. R. Route 



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1 917 Grinnell, J. and C. L. Camp. Univ. Cal. Publ. Zoo/. Vol. 

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1925 Storer, T. I. Univ. Cal. Publ. Zool. Vol. 27, pp. 1-342. 

 1928 Klauber, L. M. Zool. Soc. San Diego. Bull. No. 4, pp. 1-8. 

 1930 Klauber, L. M. same, 2nd edition. 



1929b Burt, C. E. and M. D. Burt (see Arizona). 

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 1932 Klauber, L. M. Copeia 1932, No. 3, pp. 1 18-128. 



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191 1 Cary, M. North American Fauna. No. ^3, pp. 1-256. 

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1926 Burnett, W. L. Occ. Papers. Mus. Zool. and Entomology. 

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1927 Cockerell, T. D. A. Zoology of Colorado, pp. 111-113. 

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1898 Sherwood, W. L. Proc. Linn. Soc. N. Y. 1897-98, No. 10, 



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1904 Henshaw, S. Fauna of New England. List of Batrachia. 



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 1926 Babcock, H. L. Bull. Boston Soc. Nat. Hist. No. 38, pp. 



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Delaware. 



1906 Stone, W. Am. Naturalist. Vol. XL. pp. 159-164. 

 1925 Fowler, H. W. Copeia, pp. 57-64, 65—67. 



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1902 Hay, W. P. Proc. Biol. Soc. Wash. Vol. XV, pp. 1 27-131. 

 191 5 Gronberger, S. M. Copeia, No. 24, pp. 54, 55. 



191 8 McAtee, W. L. Bull Biol. Soc. Wash., No. 1, pp. 44-46. 



207 



