m 





^5f . v v 







i.V*. 





^ i, 





Upper: Fig. 58. Western Bull Snake 



A harmless and very useful reptile found near the Carlsbad Cave. 

 Photograph by Russell Reid, North Dakota. 



Lower: Fig. 59. Diamond-backed Rattlesnake from Texas 



Occasionally found in the Carlsbad Cave countrv. Photograph 

 by J. D.Mitchell. 



165 



