218 BULLETIN 17 5, UNITED STATES NATIONAL MUSEUM 



RtJTHLING, P. D. R. 



1915a. Los Angeles snakes. Copeia, No. 15, p. 4. 



1915b. The hibernation of reptiles in southern California. Copeia, No. 19, 



pp. 10-11. 

 1916a. Snake conservation in California. Copeia, No. 37, pp. 90-91. 

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Lorquinia, vol. 1, No. 1, p. 6. 

 RuTHVEN, Alexander Grant. 



1907. Reptiles and amphibians frona New Mexico and Arizona. Bull. 



Amer. Mus. Nat. Hist., vol. 23, pp. 483-603, 19 figs. 



1908. Variations and genetic relationships of the garter snakes. U. S. Nat. 



Mus. Bull. 61, 201 pp., 82 figs., 1 pi. 

 1913. Contribution to the herpetology of Iowa II. Iowa Acad. Sci., vol. 19, 



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Nevada. Bull. Amer. Geogr. Soc, vol. 47, pp. 948-952. 

 1919. Contributions to the herpetology of Iowa III. Occ. Pap. Mus. Zool. 



Univ. Michigan, No. 66, pp. 1-3. 

 1932, Notes on the amphibians and reptiles of Utah. Occ. Pap. Mus. Zool. 



Univ. Michigan, No. 243, pp. 1-4. 

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1915. The reptiles and amphibians collected in northeastern Nevada by the 



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1922. The amphibians and reptiles of Lower California and the neighboring 



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 Schmidt, Karl Patterson, and Necker, Walter Ludwig. 



1935. Amphibians and reptiles of the Chicago region. Bull. Chicago Acad, 

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1891. An annotated list of the reptiles and batrachians collected by Dr. C. 

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 1893. An annotated list of the reptiles and batrachians collected by the 

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 North Amer. Fauna, No. 7, pp. 159-228. 

 1902. The reptiles of the Huachuca Mountains, Arizona. Proc. U. S. Nat. 

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1917. CheckUst of North American amphibians and reptiles. 125 pp. 

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1923. Checklist of North American amphibians and reptiles, ed. 2, 171 pp. 



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1921. An annotated list of the amphibians and reptiles of San Diego County, 

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