162 HERPETOLOGY OF MICHIGAN. 



GENERAL BIBLIOGRAPHY. 



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1901. Atkinson, E. A. The Reptiles of Allegheny County, Penn- 

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1903. Clark, H. L. Notes on the Michigan Snakes. Fifth Annual 

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1903a. Clark, H. L. The Short-mouthed Snake (Eutainia brachy- 

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1903b. Clark, H. L. The Water Snakes of Southern Michigan. 

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1889. Cope, E. D. Batrachia of North America. Bull. U. S. Na- 

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1878. Cones, E and Yarrow, H. C. Notes on the Herpetology of 

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1878. Cragin, F. W. Amer. Nat., XII, 820-821. 



1842. DeKay, J. E. Reptiles and Amphibia. New York Fauna. 



1906. Dickerson, Mary C. The Frog Book. New York. 



1907. Ditmars, R. L. The Reptile Book. New York. 



