568 U.S. NATIONAL MUSEUM BULLETIN 2 88 



amphibians with structural organization of the habitat. Caribbean 



Journ. Sci., vol. 4, no. 1, pp. 261-295, figs. 1-8. 

 Shaw, George 



1802. General zoology, or systematic natural history. Vol. 3, pt. 2, pp. 



96-176, pis. 28-53. 

 Shreve, Benjamin 



1935. On a new teiid and Amphibia from Panama, Ecuador, and Paraguay. 



Occ. Pap. Boston Soc. Nat. Hist., vol. 8, pp. 209-218. 

 1947a. On Venezuelan reptiles and amphibians collected b}^ Dr. H. G. 



Kugler. Bull. Mus. Comp. Zool., vol. 99, no. 5, pp. 519-537. 

 1947b. On Colombian reptiles and amphibians collected by Dr. R. E. 



Schultes. Caldasia, vol. 4, pt. 19, pp. 311-316. 

 Smith, Hobart M., and Taylor, Edward H. 



1948. An annotated checklist and key to the Amphibia of Mexico. U.S. 



Nat. Mus. Bull. 194, iv + 118 pp. 



SONNINI, C. M. S., AND LATREILLE, P. A. 



1802. Histoire naturelle des reptiles, avec figures dessinees d'apres nature, 

 vol. 2, 332 pp., 21 pis. 

 Spix, Johann Baptist von 



1824. Animalia nova, sive species novae Testudinum et Ranarum, quas in 

 itinere per Brasiliam, annis 1817-20 . . . collegit et descripsit .... 

 Atlas, 22 pis. 

 Starrett, Priscilla 



1960a. A redefinition of the genus Smilisca. Copeia, 1960, no. 4, pp. 300- 



304, figs. 1-3. 

 1960b. Descriptions of tadpoles of Middle American frogs. Misc. Publ. 

 Mus. Zool. Univ. Michigan, no. 110, 37 pp., 33 figs., 1 pi. 

 Stebbins, Robert C, and Hendrickson, John R. 



1959. Field studies of amphibians in Colombia, South America. Univ. 

 California Publ. Zool., vol. 56, no. 5, pp. 497-540, fig. 

 Steindachner, Franz 



1862. Uber zwei noch Unbeschriebene Batrachier aus den Sammlungen 



des K. K. Zoologischen Museum zu Wien. Arch. Zool. Anat. 

 Fis., vol. 2, no. 1, pp. 77-82. 



1863. Uber einige neue Batrachier aus den Sammlungen des Wiener 



Museums. Sitzb. Akad. Wiss. Wien, vol. 48, pp. 186-192, pi. 1. 



1864. Batrachologische Mitteilungen. Verh. Zool.-Bot. Ges. Wien, vol. 



14, pp. 239-288, pis. 9-16. 

 1867. Amphibien .... In Reise der Oesterreichischen Fregatte Novara 



um die Erde, in den Jahren 1857, 1858, 1859, unter den Befehlen 



des Commodore B. von Wiillerstorf-Urbair. Zoologischer Theil. 



70 pp., 5 pis. 

 1882. Batrachologische Beitrage. Sitzb. Akad. Wien, vol. 85, pp. 188-194, 



3 pis. 

 1901. Herpetologische und Ichthyologische Ergebnisse einer Reise nach 



Sudamerika .... Schrift. Kais. Akad. Wiss. Math.-Naturw., 



vol. 72, pp. 89-148. 

 Stejneger, Leonhard Hess 



1901. An annotated list of batrachians and reptiles collected in the vicinity 



of La Guiara, Venezuela, with descriptions of two new species of 



snakes. Proc. U.S. Nat. Mus., vol. 24, pp. 179-192, 33 figs. 

 1906. A new tree toad from Costa Rica. Proc. U.S. Nat. Mus., vol. 30, 



p. 817. 



