49 



Scehporus undulatus, Harlan, subspecies thaycrii, Baird and Girard,Proc. 

 Acad. Phila., 1852, ji. 127. California, Utah, New Mexico, and Rio 

 Grande Valley. 



Sceloi)orm consobrinus, Baird and Girard ; Marcy's Report Red River, 

 1853, p. 237. Sonoran and Central regions ; Oregon and Texas. 



Sceloporus scalaris, Wiegmann, Herpetologia Mexicana, 1834, p. 52. So- 

 nora. 



Sceloporus Jloridaiius, Baird, Proc. Acad. Phila., 1858, p. 254. Florida. 



Sceloporus spinosusj Wiegmann, Herpetologia Mexicana, p. 50. Texas. 



Sceloporus clarJcii, Baird and Girard, subspecies clarkii, Baird and Girard, 

 Proc. Acad. Pbila., 1852, p. 127. Sonoran and Southern Pacific 

 regions. 



Sceloporus clarkii, Baird and Girard, subspecies zosteromiis, Cope, Proc. 

 Acad. Phila., 1863, p. 105. Lower California. 



Phrynosoma, Wiegmann. 



Phrynosoma modestum, Girard, Stansbury's Rept. Salt Lake, p. 365. So- 

 noran region. 



Phrynosoma platyrhinwn, Girard, Stansbury's Rept Salt Lake, p. 361. 

 Utah and Nevada. 



Phrynosoma 7naccallii, Hallowell ; Baird, U. S. Mex. Bound. Surv., p. 9. 

 Desert of Gila and Colorado. 



Phrynosoma regale, Girard, U. S. Mex. Bound. Surv., p. 9. Desert of 

 Gila and Colorado. 



Phrynosoma planiceps, Hallowell, Proc. Acad. Phila., 1852, p. 178. South- 

 ern Sonoran region. 



Phrynosoma cornutum, Harlan ; Girard, Stansbury's Rept. Salt Lake, p. 

 360. Texas. 



Phrynosoma hernandezii, Girard, Herp. U. S. Expl. Exped., p. 395. New 

 Mexico ; Rio Grande Valley. 



Phrynosoma douglassii, Bell, subspecies ornatissimum, Girard, Herp. U. 

 S. Expl. Exped., 1858, p. 396. Sonoran region. 



Phrynosoma douglassii, Bell, subspecies douglassii. Bell ; Girard, Herp. 

 U. S. Expl. Exped., p. 398. Entire Central region ; Oregon and 

 Washington. 



Phrynosoma blainvillei, Gray 5 Girard, U. S. Expl. Exped. Herp., p. 400. 

 Pacific region. ^ 



4 H 



