1917] Camp: Notes on the Systematic Status of Toads and Frogs 125 
LITERATURE CITED 
Batrp, 8. F. 
1856. Descriptions of new genera and species of North American frogs. 
Proe. Acad. Nat. Sci. Phila., 7, 1854-1855, 59-62. 
Bairp, 8. F., and Girarp, C. 
1854a. Descriptions of new species of reptiles, collected by the U. S. Ex- 
ploring Expedition under the command of Capt. Charles Wilkes. 
Proc. Acad. Nat. Sci. Phila., 6, 1852-1853, 174-177, 378-380. 
1854b. List of reptiles collected in California by Dr. John L. LeConte, with 
description of new species. Ibid., 300-302. 
BOULENGER, G. A. 
1882. Catalogue of the Batrachia Salientia s. Ecaudata in the collection of 
the British Museum. (Ed. 2; London), xvi + 503, 80 pls. 
Corr, E. D. 
1884. Notes on the geographical distribution of Batrachia and Reptilia in 
western North America. Proe. Acad. Nat. Sci. Phila., 1883, 10-35. 
1889. The Batrachia of North America. U.S. Nat. Mus. Bull., 34, 1-525, 
86 pls. 
DICKERSON, M. C. 
1906. The frog book of North American toads and frogs, with a study of 
the habits and life histories of those of the northeastern states. 
(New York, Doubleday, Page & Co.), xvii + 253, 96 + 16 pls. 
GIRARD, C. 
1858. United States Exploring Expedition during the years 1838, 1839, 1840, 
1841, 1842 under the command of Charles Wilkes, U.S. N. (Phila- 
delphia, J. B. Lippincott & Co.), 20, Herpetology, xvii + 496; atlas, 
pp- 1-10, 32 pls. 
STEJNEGER, L. 
1893. Annotated list of the reptiles and batrachians collected by the Death 
Valley Expedition in 1891, with descriptions of new species. U.S. 
Dept. Agric., Div. Ornithology and Mammalogy, N. Amer. Fauna, 
7, 159-228, 394-398, 4 pls. 
Tompson, H. B. 
1913. Deseription of a new subspecies of Rana pretiosa from Nevada. Proce. 
Biol. Soe. Wash., 26, 53-56, 1 pl. 
Yarrow, H. C., and HensHaw, H. W. 
1878. Report upon the reptiles and batrachians collected during the years of 
1875, 1876, and 1877, in California, Arizona, and Nevada. Ann. 
Rep. Chief U. 8. Engineers to Secy. of War., 1878, pt. 3 (Appen- 
dices), Appendix L, in Appendix NN, pp. 1628-1648. 
