104 



(Jrodela 



Uropeltidae 



Uta 



Yaranidae 



Verticaria 



Viperidae 



Virginia 



Works on the classification of Ba- 

 tracbia and Reptilia 



Page. 

 11 

 21 



48 

 19 

 46 

 23 

 35 



97 



Pjga 



Works treating of the geograpb'""!! 

 distribution of Nortb American 



Batracbia and Reptilia 100 



Xontnsia 45 



Xenopeltidae 21 



Xeuosauridae 19 



Zonuridao 19 



'<0' 



J:l' 



