224 PROCEEDINGS OF THE ACADEMY OF [March, 



Hyla arenicolor Cope. Sand-colored Tree Toad. 



17,533-64. North side of Grand Canon, Mystic Spring Trail, 

 Coconimo County, Ariz. October, 1907. Dr. H. A. Pilsbry. 



17,920. East of saddle of "Old Baldy," Santa Rita Mountains, 

 Arizona, 7,500 feet. 1910. Dr. H. A. Pilsbry. 



Chorophilus triseriatus Wied. Swamp Tree Frog. 



17,876-8. Las Vegas, Lincoln County, Nev. September 2, 1909. 

 Hebard and Rehn. 



18,034. Nampa, Canon County, Idaho. August 9, 1910. Hebard 

 and Rehn. 

 Rana pipiens brachycephala Cope. Mountain Leopard Frog. 



18,011-14. Mountain Home, Elmore County, Idaho. August 9, 

 1910. Hebard and Rehn. 



Rana pipiens Shreber. Leopard Frog. 



17,899. Agua Caliente Canon, Santa Rita Mountains, Arizona. 

 1910. Dr. H. A. Pilsbry. 



17,904. Santa Cruz River, Tucson, Ariz. Dr. H. A. Pilsbry. 

 17,933. Santa Cruz River, Tucson, Ariz, Dr. H. A. Pilsbry. 

 17,907. Tucson, Ariz. Dr. H. A. Pilsbry. 



Rana fisheri Stejne^er. Fisher's Frog. 



17,873-5. Las Vegas, Lincoln County, Nev. September 2, 1909. 

 Hebard and Rehn. 



These specimens are from the type locality and seem in every way 

 like the originals. They were not observed elsewhere. 



REPTILIA. 



Dipsosaurus dorsalis (Baird and Girard). Crested Lizard. 



Three specimens collected by Messrs. Hebard and Rehn as follows: 

 17,857-8. Lyons, San Bernardino, Cal. September 1, 1909. 

 18,027. Yuma, Ariz. October 1, 1910. 



Crotophytus collaris baileyi Stejneger. Bailey's Lizard. 



Three specimens obtained by Messrs. Hebard and Rehn. 



17,512. Mesa south of Franklin Mountains, El Paso, Tex. July 



9, 1907. 



18,033. Mesa at El Paso, Tex., 2,800 feet. August 9, 1910. 

 18,006. Mason, Lyon County, Nev., 4,500 feet, September 5, 1910. 



Crotophytus wislizeni Baird and Girard. Leopard Lizard. 



Eight specimens collected by Messrs. Hebard and Rehn. 



17,511. Desert east of Franklin Mountains, El Paso, Tex. July 



10, 1907. 



