54 



THE AMERICAN NATURALIST [Vol. LIII 



Study of the Ecological Distribu 

 North Central New Mexico with E 

 sects. Eep. Nat. Ees. Survey, N. 



1917a. An Experimental Study of the Reactions of the Horned Lizard, 



Biol. Bull., 32: 98-116 (Bibliography). 

 1917&. The Urine of the Horned Lizard. Science, N. S., 46 : 517-518. 



