AMPHIBIA AND REPTILIA OF COLORADO 69 



the female; sides of the abdomen of the male with large greenish blue 

 blotches. 



This species is quite common through the Rocky Mountain region, 

 ranging south into Mexico. By some zoologists it is considered as 

 but a variety of the common swift of the east, S. undulatus (Latreille). 

 S. consobrinus, however, is a species of the elevated arid portion of 

 the United States. 



Colorado specimens. — University Museum: Boulder, May 18, 1907 

 (171 mm.), F. Rohwer, No. 207; Little Fossil Mountain, near Rifle, July 2, 1908 

 (160 mm.), S. A. Rohwer, No. 209; Perry Park, July 25, 1908 (146 mm.), Albert 

 Dakan, No. 212; Box Elder Creek, foothills, northwest of Ft. Collins, August 13, 

 1908, J. Henderson, No. 68; four miles west of Meeker, August 11, 1909 (2 speci- 

 mens, 1 10 and 150 mm.), J. Henderson and T. Duce, No. 208; Boulder, October 9, 



191 1 (157 mm.), Ben Rowland, No. 146; two miles east of Durango toward Rio 

 Florida, August 11, 1912 (144 mm.), J. Henderson and M. M. Ellis, No. 210; near 

 Chautauqua, Boulder, September 21, 1912 (56 mm., vent to snout, with regenerat- 

 ing tail), N. deW. Betts, No. 211; Wray, October 27, 1912 (2 specimens, 70 and 

 75 mm.), M. M. Ellis and A. G. Vestal, No. 213; Colorado State Historical and 

 Natural History Museum: Estabrook, July 4, 1903 (2 specimens, 120 and 130 mm.), 

 H. B. McCurdy; Estabrook, July 11, 1903 (120 mm.), E. A. Dugan; Durango, 

 August 27, 1903 (3 specimens, no to 125 mm.), H. G. Smith; Buffalo Park, Sep- 

 tember 7, 1903 (150 mm.), W. C. Ferril; Wray, September 17, 1903 (150 mm.), 

 H. G. Smith; Pagosa, August 8, 1904 (2 specimens, 105 and 115 mm.), H. G. 

 Smith; Grand Junction, September 16, 1904 (40 mm.), H. G. Smith; Grand 

 Junction, September 17, 1904 (3 specimens, 130-145 mm.), H. G. Smith; Wray, 

 May 31, 1905 (90 mm.), H. G. Smith; Grand Junction, August 13, 1905 (6 speci- 

 mens, 100-125 mm.), H. G. Smith; Basalt, August 16, 1905 (120 mm.), H. G. 

 Smith; Colorado Museum of Natural History: Trinidad, August 5, 1909 (3 speci- 

 mens, 60-120 mm.), L. J. Hersey; Ponia, near Trinidad, August, 1910 (120 mm.), 

 L. J. Hersey; Agricultural College Museum: Larimer County, May 11, 1902 

 (180 mm.), W. L. Burnett; private collection of A. G. Vestal, Wray: October 27, 



191 2 (50 mm.), A. G. Vestal; State Teachers^ College Museum: Trinidad, A. E. 

 Beardsley. 



Sceloporus graciosus Baird and Girard 



Sage-Brush Swift 



Sceloporus graciosus Baird and Girard, Proc. Acad. Nat. Sci. Phila., Vol. VT, 

 p. 69, 1852. 



Sceloporus graciosus — Cary, N. Am. Fauna, No. 33, p. 24, 191 1 (Bear River 

 Bluffs near Maybell, Colo., and twenty miles west of Baggs Crossing, Colo.). 



