The REPntE Dook. 



Pi ATF XI.VII 



S^i?5 



DOUGLASS'S HORNED LIZARD, Phrynosoma doughssii 

 The hnms are reduced to mere tubercles. Inhabits the nurtheni Pacific region 



PAINTED HORNED LIZARD. P. doughssii ortmtissimum 



This desert variety shows in its inarkings remarkable 



similarity to the soil 



HERNANDEZ'S HORNED LIZARD. P.douglassiihernandrsi 



On this varielv the horns are much more developed than with 



the typical form. Common in the Western Plains region 



