CHECK-LIST 



or 



North American Batrachia and Reptilia; 



WITH A 



SYSTEMATIC LIST OF THE HIGHER GROUPS, 



AND AN 



ESSAY ON GEOGRAPHICAL DLSTRIBUTION. 



BASED ON 



THE SPECIMENS CONTAINED IN THE V. S. NATIONAL MUSErM. 



By EDWARD D. COPE. 



WASH JNGTON: 

 OOVKIINMENT PRINTING OFPIOB. 



1875 



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