PLATE 1 
Fig. 1. Side view of a living specimen of Blainville’s horned lizard, 
Phrynosoma blainvillei blainvillei. Note the horns of the occipital and 
temporal regions; the postorbital spines; the sublabial spines; the gular 
folds; the large, keeled, tubereular spines of the back; the small granular 
seales of the back; the smooth; equal-sized scales of the ventral surface; 
the two widely separated rows of peripheral spines; the row of enlarged 
scales on the anterior surfaces of arm and thigh; and the neck patch. 
Approximately life size. 
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