1911.] NATURAL SCIENCES OF PHILADELPHIA. 227 



17.488. Luna County, N. Mex., north side of Florida Mountains. 

 July 19, 1907. Hebard and Rehn. 



17,496. Greasewood belt, east of Alamogordo, M. Mex. July 13, 

 1907. Hebard and Rehn. 



Sceloporus olarkii Baird and Girard. Clark's Swift. 



16,534-40. Carr Canon, Huachuca Mountains, Arizona. August, 

 1905. Dr. H. Skinner. 



16,524. Carr Canon, Huachuca Mountains, Arizona. August, 

 1905. Dr. H. Skinner. 



17,952. Baboquivari Mountains, Arizona. 1910. Dr. H. A. 

 Pilsbry. 



Dr. Skinner states that they were found among rocks along the 

 stream, and sought refuge under them when pursued. 



Sceloporus magister Hallowell. IlalloweH's Swift. 



17,471. Roeble's Ranch, near Coyote Springs, Pima County, 

 Ariz. July 24, 1907. 



17,483. Yuma, Ariz. July 28, 1907. Hebard and Rehn. 



Sceloporus jarrovii Cope. Yarrow's Swift. 



16,510-13. Carr Canon, Huachuca Mountains, Arizona. August, 

 1905. Dr. H. Skinner. 



16,515-23. Carr Canon, Huachuca Mountains, Arizona. August, 

 1905. Dr. H. Skinner. 



16,525-27. Carr Canon, Huachuca Mountains, Arizona. August, 

 1905. Dr. H. Skinner. 



16.489. Carr Canon, Huachuca Mountains, Arizona. August, 

 1905. Dr. H. Skinner. 



17,529. Cave Creek Canon, Chiracahua Mountains, Cochise County, 

 Ariz. 1907. Dr. H. A. Pilsbry. 



17,898, 17,900 and 17,912. Santa Rita Mountains, Arizona. 1910. 

 Dr. H. A. Pilsbry. 



19,923-4. Cochise Stronghold, Dragoon Mountains, Arizona. 1910. 

 Dr. H. A. Pilsbry. 



Found among rocks, according to Dr. Skinner: entering miners' 

 cabins and everywhere the most common species in the regions 

 visited by Dr. Pilsbry. 



Soeloporus consobrinus Baird and Girard. Yellow-banded Swift. 



17,506-7. Three miles southeast of El Paso, Tex., on the Rio 

 Grande. July 10, 1907. 



17,829-31. Sandhills, Halsey, Thomas County, Neb. July 11, 

 1909. Hebard and Rehn. 



