i 3 o INTRODUCTION 



8. Coluber leopardinus (Crimea). 



9. Coronella austriaca (as far north as 57 ). 



10. Contia modesta (Caucasus). 



11. Tarbophis iberus (Caucasus). 



12. Vipera renardi (south). 



13. Vipera berus (as far north as 64 ). 



14. Ancistrodon halys (south, between Volga and 

 Ural). 



Without attempting anything like a complete 

 bibliography, we have compiled a list of faunistic 

 works and papers dealing with the snakes of Europe: 



Europe in General 



Schreiber, E. : Herpetologia Europaea. Zweite 

 Auflage, Jena, 1912, 8vo. 



Steinheil, F. : Die Europaeischen Schlangen. 

 Kupferdrucktafeln nach Photographien der lebenden 

 Tiere. Jena, 1913, 4to. (in progress). 



Great Britain 



Bell, T. : A History of British Reptiles. 2nd 

 edit., London, 1849, 8vo. 



Cook, M. C. : Our Reptiles. London, 1865, 8vo. 



Leighton, G. : The Life-History of British 

 Serpents. Edinburgh and London, 1901, 8vo. 



France 



Gadeau de Kerville, H. : Faune de la Nor- 

 mandie. IV. Reptiles. Paris, 1897, 8vo. 



