704 Bulletin American Museum of Natural History (Vol. XL VI 



Cope, E. D . 1860. ' Catalogue of the Colubridse in the Museum of the Academy of 

 Natural Sciences of Philadelphia, with Notes and Descriptions of New 

 Species. Part 2.' Proc. Acad. Nat. Sci. Phila., pp. 241-266. 



1860a. ' Notes and Descriptions of New and Little Known Species of Ameri- 

 can Reptiles.' Idem, pp 339-345. 



1861. 'Contributions to the Ophiology of Lower California, Mexico and 

 Central America.' Idem, pp. 292-306. 



1863. 'Description of New American Squamata in the Museum of the 

 Smithsonian Institution.' Idem, pp. 100-106. 



1863a. 'On Trachycephalus, Scaphiopus and other American Batrachia.' 

 Idem, pp. 43-54. 



1864. 'Contributions to the Herpetology of Tropical America.' Idem, pp. 

 166-181. 



1866. 'On the Structures and Distribution of the Genera of the Arci- 

 ferous Anura.' Journ. Acad. Nat. Sci. Phila., (2) VI, pp. 67-112. 



1866a. 'On Reptilia and Batrachia of the Sonoran Province of the Nearctic 

 Region.' Proc. Acad. Nat. Sci. Phila., pp. 300-314. 



1867. 'A Review of the Species of the Amblystomida?.' Idem, pp. 166-211. 

 1867a. 'A collection of Reptiles from Owen's Valley, California.' Idem, 



p. 85. 



1868. 'On Vertebrata from Nevada and Lower California.' Idem, p. 2. 

 1868a. 'Sixth Contribution to the Herpetology of Tropical America.' 



Idem, pp. 305-313. 

 1871. 'Description of the Common Lizard of Socorro, Uta auriculata.' 



Proc. Boston Soc. Nat. Hist., XIV, p. 303. 

 1889. 'The Batrachia of North America.' Bull. U. S. Nat. Mus., No. 34, 



pp. 1-515, Pis. lxxix, lxxxiii, lxxvi, text figs. 1-119. 

 1889a. 'Report on the Batrachians and Reptiles collected in 1887-1888.' 



(Scientific Results of the Explorations by the U. S. Fish Commission 



Steamer 'Albatross,' No. 3.) Proc. U. S. Nat. Mus., XII, pp. 141-147. 

 1892. 'A Critical Review of the Characters and Variations of the 



Snakes of North America.' Idem, XIV, pp 598-694. 

 1892a. 'A Synopsis of the Species of the Teiid Genus Cnemidophorus.' 



Trans. Amer. Philos. Soc, XVII, pp. 27-52, Pis. vi-xm. 



1894. 'On the Iguanid Genus Uma Baird.' Amer. Nat., XXVIII, pp. 

 434, 435, text figs. 1-4. 



1894a. 'On the Genera and Species of Euchirotidse.' Idem, pp. 436-437, 

 text figs. 5-6. 



1895. ' On Some New North American Snakes.' Idem, XXIX, pp. 676-680. 



1896. 'On Two Species of Lizards from Souther^California.' Idem, XXX, 

 pp. 833-836. 



1896a. 'On the Genus Callisaurus.' Idem, pp. 1049, 1050. 

 1900. 'The Crocodilians, Lizards and Snakes of North America.' Ann. 

 Rept. U. S. Nat. Mus., 1898, pp. 153-1294, Pis. i-xxxvi, text figs. 1-347. 

 Darton, N. H. 1921. 'Geologic Reconnaissance in Baja California.' Journ. Geol., 



XXIX, No. 8, pp. 720-748, figs. 1-22. 

 Dickerson, M. C. 1917. 'Systematic Note on Lower California Lizards.' Copeia, 

 No. 50, pp. 96-98. 



