40 SERPENTS OF THE NORTHEASTERN STATES 



Books of Reference on Serpents 



The following publications may be consulted for a more 

 extensive study of serpents and other reptiles: 



Reptiles and Amphibians: Their Habits and Adaptations 



Thomas Barbour 

 Houghton Mifflin Company, New York City. 



Check List of North American Amphibians and Reptiles 



(Technical) Leonhard Stejneger and Thomas Barbour 



Harvard University Press, Cambridge, Massachusetts. 



Reptiles and Batrachians E. G. Boulenger 



E. P. Dutton & Company, New York City. 



The Crocodilians, Lizards, and Snakes of North America 



(Technical ) Edward Drinker Cope 



Annual Report of the United States National Museum, 1898 (1900) 



The Reptile Book (Reptiles of North America) Raymond L. Ditmars 



Doubleday, Doran & Company, Garden City, Long Island, New York. 



(On file in the larger libraries. New edition known as 



Reptiles of North America. ) 



Reptiles of the World Raymond L. Ditmars 



The Macmillan Company, New York City. 



Amphibia and Reptiles Hans Gadoiv 



The Macmillan Company, New York City. 



The Poisonous Snakes of North America Leonhard Stejneger 



United States National Museum, Washington, D. C. 



