396 



ZOOLOGY 



Fig. 201. 



Fin. 201. Common Garter Snake {Thamnot>his sirtalis). Photographed from hfe by Dr. R. W 



Shufeldt. 



Fig. 202. 



Fig. 202. Brown King Snake (Lam/)fopellis rhombomaculalai). Photographed from hfe by Dr. 



R. W. Shufeldt. 



Questions on the figure. — What structural adaptations have the snakes which 

 tend to take the place of appendages? Illustrate your conclusions by citing ex- 

 amples. 



