Plate 74 



POISONOUS SNAKES 



COMMON VIPER Vipera berus. 

 Abundant in northern Europe, thence southward to Spain and 

 eastward through Siberia to the Island of Saghalien. The only 

 poisonous snake found in the British Isles. An adult is about two 

 feet long. 



TIC POLONGA ; RUSSELL'S VIPER Vipera russelli. 

 Distribution: India; Ceylon; Burma; Siam and the Malay Pen- 

 insula. Reaches a length of five feet. 



