104 



[Irodela. 11 



Uropeltidae 21 



Uta 48 



Varaniclae 19 



Verticaria 46 



Viperidae 23 



Virginia 35 



Works on the classificatiou of Ba- 



trachia and Reptilia 97 



Page. 

 Works treating of the geographical 

 distribution of North American 



Batrachia and Eeptilia 100 



Xantusia 45 



Xenopeltidae 21 



Xenosauridae 19 



Zonuridae 19 



