180 



2 Undet. Mammals. 

 1 Jumping Mouse. 



3 Undet. Mice. 



9 Meadow Mice (M. pennsylvanicus). 



6 Microtus sp. Mice (uncertain species). 



1 White-footed mouse. 



1 House mouse. 



Fig-. 17'b. — Diagram showing the percentages of 

 Food Items of House Snalce (Lampropettis doliatui* 

 triangulus ) found during September and October 

 only: 67 per cent. Field Mice; 16% per cent. Un- 

 identified Vertebrates; 16i/^ j^ev cent. Unidentified 

 Mammals. 



Whon we consider that tlie .above table shows positively that 

 more than half of those individuals which contained food had 

 i-ecently I)een eatin<»- mice of some kind, and that these same mice 

 ai-e amon^- the most destructive creatures of the house, barn, 

 storeroom and farm, we can see suffi<'ient justification for preserv- 

 ing^ the House Snake or Milk Snake, not\^ithstandinJ;• the unjust 

 superstition, i<,aiorance and fear with which it is regarded. 



No. 21. Ihterodon platirhmos (Latr). Spreading Adder or Blowing 

 Viper. PlaiM XXXII, XXXIV, XXXV. 



This snake is another species of reptile with a great variety of 

 common names. It is variously known as the Spreading Adder, 

 Hissing Viper, Blowing Viper, Blow Viper, Hog-nosed Snake, Blow 

 ing Adder, Hissing Adder, Spreading Viper, Hog-nosed Viper, Pilot, 

 Bastard Rattle Snake or Rossel Boshtard and Blaser, and otlu-r 

 common names. Most of these names refer to its habit of spreading 



