Vol. XI] VAN DENBURGH-SLEVIN— AMPHIBIANS AND REPTILES 



33 



line. However, the average number of pores varies in speci- 

 mens from various parts of Arizona, as is shown in the follow- 

 ing table : 



19. Uta stansburiana stansburiana (Baird & Girard) 



Two hundred and ninety Nevada specimens are at hand. 

 One hundred and one (Nos. 37548 to 37648) are from Rhyo- 

 lite, Nye County, August 3-9, 1913. Sixty (Nos. 37727 to 

 37786) were collected at Tonopah, Nye County, July 23-27, 

 1913. Eleven (Nos. 37787 to 37797) were shot at Round 

 Mountain, Nye County, July 21, 1913. Three (Nos. 37805 to 

 37807) were taken at Goldfield, Esmeralda County, July 29-31, 

 1913. Fifteen (Nos. 36741 to 36755) were secured at Las 

 Vegas, Clark County, May 1-2, and August 10-13, 1913. 

 Ninety-seven (Nos. 37100 to 37196) were collected at Caliente. 

 Lincoln County, May 4-8 and August 14-21. 1913. In 1916, 

 two (Nos. 40796 and 40797) were secured at SutclifTe, Washoe 

 County, July 1 and 8, 1916, and one (No. 40798) on Anaho 

 Island, Pyramid Lake, July 6, 1916. 



Femoral pores in two hundred and forty-five specimens vary 

 from 11 to 17; being 11 once, 12 forty-one times, 13 one hun- 

 dred and thirty-five times, 14 one hundred and eighty-five 

 times, 15 ninety-eight times, 16 twenty-six times, and 17 four 

 times; an average of 13.86 pores per thigh. 



20. Sceloporus graciosus graciosus (Baird & Girard) 



Only sixteen lizards of this species were collected. Two 

 (Nos. 37993, 37994) were secured at Wells, Elko County, 

 July 9, 1913. One (No. 37841) was shot at Elko, Elko 

 County, July 16, 1913. Ten (Nos. 37819 to 37828) were col- 

 lected at Austin, Lander County, July 17-19, 1913. Two (Nos. 



