Section 4 

 EUROPE 



Definition of the Region: 

 Entire continent of Europe. European Russia {liussian Soviet Federated 

 Socialist Republic) and the Mediterranean islands, the Vkranian SSR and the 

 Autonomous Soviet Republics north of the Caucasus and west of the 

 Volga River. 



TABLE OF CONTENTS 



Page 



Map of the region '3 



Introduction '3 



Distribution Chart >" 



Key to Genera '" 



VIPERIDAE: 



Vipera '* 



CROTALIDAE: 



Agkisfrodo7i '^ 



References '" 



71 



