The RFmir H^ok 



Plate XLVI 



HEADS flF HORN'EI) LIZARDS. Phrynijsnma 



1. ■; Heman'lpz'5 Homcfi IAt^tA. P. dmnlassii hernandm. o. i! Texas Homed Lizard. P. cornutum. 



2. 6 Douglass's Homed Lir^trd. P. tlouglassii (typical). lo. 14 .-Vshy Homed Lizard, P. calidiarum. 



3.7 Ditmars's Homed Lizard, P. rf'""'!''"'- 11. 15 ReRal Homed Lizard. P. ffgaie. 



4.8 Mexican Homed Lizard, P. (wW^"''"''' 12,16 Pacific Homed Lizard. /! rcromjfwm. 



