UNIVERSITY OF CALIFORNIA PUBLICATIONS 
IN 
ZOOLOGY 
Vol. 9, No. 1, pp. 1-84, pls. 1-9 December 16, 1911 
THE HORNED LIZARDS OF CALIFORNIA 
AND NEVADA OF THE GENERA 
PHRYNOSOMA AND ANOTA* 
BY 
HAROLD C. BRYANT 
CONTENTS 
PAGE 
APY ta CLUNC OLOING = meson cose eee 2s cos Saco tes cand nosreca tee pecvenec ope sucen ch noee ante fare tstestece 2 
General discussion of the genus .. 3 
Diagnostic characters —............ : Sn eos Sexe ce eta Oy See Bee osencees 3 
Historical discussion -.. 3 
List of recognized species ..... oe RRS Ro 5 
Genus Phrynosoma Wiegmann. 
MBicterem aM Ch are COTS til CS eae wee wa ee oa ote nae ee ace Sebo b tac ed cu -apcenseseaesecentsacestse 6 
Osteology 7 
Integument 12 
TENS ORONO ae le ABBE sen ce eee ter er a Be eo Sea 14 
TRIS OHS), Sel et  a  O e e  eee 14 
VD TRS (PTET SO OWS ae co eee se eer eee a ae reo Coe ECC RSE eee a7, 
Key to genera and species _. 22 
Phrynosoma douglassi douglassi (Bell) Stejneger. 
JOS AAT OEM COTE ENOL E TE 1K A ime ee eee ee a ee 23 
Osteology 24 
Habits 26 
Prsirrpuuron listo lecalitiess o-oo cede eso cc enc acces eae as 27 
Table of measurements 28 
Phrynosona blainvillet blainvillei (Gray) Bryant. 
IHEXde tral CH AMA CUCTLS Ll CS essen ascaccp cone cad_ eee ed et cee cone se --nceve se. vaeese=ieeeess-one 29 
CONSIST OA 2 oe ees 31 
Habits 3 
DIB GU UUTON IS Ga Ores lOC AUG Sy anon scsi ese sa ee ee eee eee eee ese ccesreans 35 
“STEM OY Dy CoH ED GAGNSE NSLS) 6 010 A ee eee ae Se a 37 
Phrynosoma blainvillei frontale (Van Denburgh) Bryant. 
TBS qn reTOP LNT EN ONSTAR ONO a ep ee coc gece ee ee 38 
(OVS LIX Key ee AE ee OE ee 40 
* The present paper is the result of work carried on in the Department 
of Zoology of the University of California as partial fulfillment of the 
requirements for the master’s degree, under the direction of Professor 
Charles A. Kofoid. 
