175 



tail is short, it is not as stnmpj nor as heavy as the tails of the 

 two venomous species of serpents which we have. The largest 

 specimen which we have collected is forty inches, and the smallest 

 specimen is nine inches long. 



Opecimen rt-ieas 



Specimera ft- 7i4b-b 



Specimen rf? izes 



Specimea n^7M5-b 



Specimen M« 7i>ts-b 



Specibiea n5 \c'.e>5 



-De.1. 



Fig. 16. — Structural Characters of House Snake {L(xm- 

 propeltis doUatus triangidus). 



Natural Size. Drawn under Supervision of H. A. 

 Surface, Economic Zoologist. 



The House or Milk Snake, or Spotted Adder, is found from Vir- 

 ginia to Iowa and northward and occurs throughout Pennsylvania 

 as the most common snake in the State, excepting the Garter Snake. 

 We have received it from the following forty-eight out of sixty- 

 seven counties in this Commonwealth, and it, of course, is found in 

 the other counties: 



Adams County Sprenkel, B. A Fairfield. 



Allegheny County Johnson, Stewart Pittsburg. 



Brumbaugh, C. L., Wilkinsburg. 



Walker, R. K, Carnegie. 



Couch, W., Carnegie. 



Heed, C. G Bridgeville. 



Cruikshank, Dr. O. T Swissvale. 



Beaver County, Walls, R. B., Saxton. 



Doughty, G Smiths Ferry. 



Bedford County Williams, L. S, Everett. 



Berks County Neithamer, E. F Reading. 



Becker, W. D Fleetwood. 



Grimm, W. H. Hamburg. 



Dengler, J. E Tulpehocken. 



Bradford County Huffman, J. D. , New Albany. 



Bucks County Oppenlander, E Passer. 



Godshalk, S. T., Perkasie. 



Cambria County, Dishart Patton. 



