Oc. PAPERS, CAL. ACAD. Sci., VOL. X 



[VAN DENBURGH] 



PLATE 34- 



PhrynosoTna so/are, Regal Horned Toad 



Fig. 1. Adult male and female (larger) collected near Tucson, Pima County, Arizona, 



September, 1912. 

 Fig. 2. Adult male collected near Tucson, Pima County, Arizona, June, 1920. 



