PLATE 6 
Fig. 18. Dorsal view of ¢ Phrynosoma platyrhinos (Univ. Calif. Mus. 
Vert. Zool., no. 1311). Note the short occipital horns; the temporal 
horns; the small equal-sized head shields; the single row of peripheral 
spines; and the color pattern. Approximately life size. 
Fig. 14. Ventral view of ¢ Phrynosoma platyrhinos (Univ. Calif. Mus. 
Vert. Zool., no. 13811). Note the large sublabial plates; the equal-sized 
gular seales; the single row of peripheral spines; the femoral pores and 
the enlarged postanal plates. Approximately life size. 
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