APPENDIX F. REPTILES. 215 



A large specimen was found in a cold spring near the head of the south 

 fork of Cache creek, in the Witchita mountains. The upper parts of 

 body and limbs are covered with warty eminences, more crowded on the 

 body. These warts are perfectly smooth, like the skin itself. The 

 ground-color is greenish brown above, with crowded deep brown or 

 blackish spots. Beneath, dull yellow, with clouded bluish patches. The 

 lower surface of the feet has the same marmorated appearance as the 

 back. The jaws and snout are greenish brown, and perfectly smooth. 



The specimen before us is remarkable for the size of its tympanum, 

 which is much larger than the eye. 



