1911.] NATURAL SCIENCES OF PHILADELPHIA. 229 



Phrynosoma douglassii brevirostre Girard. Short-nosed Horned-toad. 



17,566-7. Springfield, Bingham County, Idaho. August, 1906. 

 Dr. Skinner. 



17,958. Green River, Sweetwater County, Wyo. August 3, 1910. 

 Hebard and Rehn. 



Phrynosoma hernandezi Girard. Hernandez's Horned-toad. 



16,495-8. Carr Canon, Huachuca Mountains, Arizona. August, 

 1905. Dr. H. Skinner. 



17,486. Silver City, Grant County, N. Mex. July 21, 1907. 

 Hebard and Rehn. 



17,489-90. Cloudcroft, Otero County, N. Mex. July 15, 1907. 

 Hebard and Rehn. 



18,029. Sidney, Cheyenne County, Neb. July 30, 1910. Hebard 

 and Rehn. 

 Phrynosoma hernandezi ornatissimum Bell. Ornamented Horned-toad. 



17,931. Bisbee, Ariz. 1910. Dr. H. A. Pilsbry. 

 Phrynosoma regale Girard. Regal Horned-t >ad. 



17,528. Greasewood Plain, Northeast of Tucson, Ariz. July 26, 

 1907. Hebard and Rehn. 



17,918-19. Las Gijas, Pima County, Ariz. September 28, 1910. 

 Dr. H. A. Pilsbry. 



17,948. Baboquivari Mountains, Pima County, Ariz. Dr. H. A. 

 Pilsbry. 



17,957. Tucson, Ariz. October 12, 1910. Hebard and Rehn. 



17,906. Mineral Hill, 19 miles south of Tucson. 1910. Dr. H. A. 

 Pilsbry. 



Phrynosoma frontale Van Denlmryh. California Horned-toad. 



17,962. Del Monte, Monterey County, Cal. September 9, 1910. 

 Hebard and Rehn. 



Phrynosoma oornutum Harlan. Texas Horned-toad. 



17,508. Three^ miles southeast of El Paso, Tex. July 10, 1907. 

 Hebard and Rehn. 



Phrynosoma modestum Girard. Little Horned-toad. 



17,513. Mesa east of the Franklin Mountains, El Paso, Tex. July 

 9, 1907. Hebard and Rehn. 



17,589. Guzman, Chihuahua, Mex. August 6, 1906. Dr. P. P. 

 Calvert. 



17,911. El Paso Co., Ariz. August 18, 1910. Dr. H. A. Pilsbry. 



17,935-7. Sheridan Canon, Hachita Mountains, N. Mex. 1910. 

 Dr. H. A. Pilsbry. 



