XI.VII 



DOUGLASS'S HORNED LIZARD, Phrynosoma douglassii 

 The homs are reduced to mere tubercles. Inhabits the northern Pacific region 



PAINTED HORNHi I.I/AKIi. P. doutlatniornatisiimuf 



This desert variety slums in it* markings remarkable 



similarity to the soil 



HERNANDEZ'S HORNED LIZARD, P. douglassii hernandrti 



On this variety the horns are much more developed than with 



the typical form. Common in the Western Plains region 



