1911.] NATURAL SCIENCES OF PHILADELPHIA. 223 



BATRACHIA. 



Ambystoma maorodactylum. Baird. Long-toed Salamander. 



18,032. La Grande, Union County, Ore. August 15, 1910. 

 Hebard and Rehn. 



This was the only salamander obtained by any of the parties. 



Scaphiopus couchii Baird. Couch's Spadefoot. 



17,475-6. Roeble's Ranch, near Coyote Springs, between Tucson 

 and the Baboquivari Mountains, Arizona. July 24, 1907. Hebard 

 and Rehn. 



17,891-3. Mesa east of Big Hatchet Mountains. Dr. H. A. Pilsbry. 



Scaphiopus hammondi Baird. Western Spadefos^. 



17,491-4. Alamogordo, Otero County, N. Mex. July 13, 1907. 

 Hebard and Rehn. 



Bufo boreas Baird and Girard. Northwestern Toad. 



17,841-3. Siskiyou, Siskiyou Mountains, Jackson County, Ore., 

 4,100 feet. August 13, 1999. Hebard and Rehn. 



Bufo cognatus Say. Gr.at Plains Toad. 



17,477. Roeble's Ranch, between Tucson and the Baboquivari 

 Mountains, Arizona. July 24, 1907. Hebard and Rehn. 

 17,905. Tucson, Ariz. 1910. Dr. H. A. Pilsbry. 



Bufo alvarius 'drard. Desert Toad. 



17,890. Maricopa, Pinal County, Ariz. 1910. Dr. H. A. Pilsbry. 



This specimen came hopping in at the door of a restaurant. Messrs. 

 Hebard and Rehn saw several in a rain-water barrel at Sentinel, 

 Ariz., in October, 1910. 



Bufo punctatus Baird and Girard. Spotted Toad. 



17,913-6. Agua Caliente Canon, Santa Rita Mountains, Arizona, 

 5,000 feet. 1910. Dr. H. A. Pilsbry. 



17,949-51. Otero (?) Canon, Baboquivari Mountains, Arizona. 

 1910. Dr. H. A. Pilsbry. 



17,532. North side Grand Canon, Mystic Spring Trail, Coconimo 

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



Bufo lentiginosus americanus Le Conte. American Toad. 



17,834. North Platte, near Casper, Natrona County, Wyo. July 

 17, 1909. Hebard and Rehn. 



18,030-1. Sidney, Cheyenne County, Neb. July 30, 1910. Hebard 

 and Rehn. 



Bufo lentiginosus woodhousei Girard. Rocky Mountain Toad. 



17,879-80. Caliente, Lincoln County, Nev. September 3, 1909. 

 Hebard and Rehn. 



