41 



Trutnau, Ludwig. 1979. Schlangen im Terrarium. Vol. I Verlag 

 Eugen Ulmer; Berlin. 



Underwood, Garth. 1967. A Contribution to the Classification of 



Snakes. Publ. 653. Trustees British Mus. (Natur. Hist.); 



London. 

 Underwood, Garth. 1979. Classification and distribution of 



venomous snakes in the world. Pp. 15-40. In: C.-Y. Lee, Ed. 



Handbook of Experimental Pharmacology. Vol. 52. Springer- 



Verlag; Berlin. 

 Upton, S. J., P. S. Freed, and M. G. Freed. 1989. Two new 



species of Coccidia apicomplexa eimeriorina from Peruvian 



reptiles. Trans. Amer. Microscop. Soc. 108(1): 96-100. 



Van Denburgh, John. 1895. A review of the herpetology of Lower 



California. Part 1. Reptiles. Proc. California Acad. 



Sci., Ser. 2. 5: 77-163. 

 Van Denburgh, John. 1922. The reptiles of western North 



America. Part I. Lizards. Occ. Pap. California Acad. Sci. 



10: 1-611. 

 Van Denburgh, John and Joseph R. Slevin. 1914. Reptiles and 



amphibians of the islands of the west coast of North 



America. Proc. California Acad. Sci. 4(4): 129-152. 

 Van Devender, R. W. 1980. Preliminary checklist of the 



herpetofauna of Monteverde, Puntarenas Province, Costa Rica 



and vicinity. Brenesia 17: 319-325. 

 Vanzolini, Paulo E. 1969. Taxonomic index to Andersson and 



Lonnberg papers on present location of Linnaean reptile and 



amphibian types. Smithsonian Herpetol. Info. Serv. 1-10. 

 Vanzolini, P. E. 1977. An Annotated Bibliography of the Land 



and Fresh-water Reptiles of South America (1758-1975). 



Vol. I. (1758-1900). Mus. Zool., Universidade de Sao Paulo; 



Sao Paulo. 

 Vanzolini, P. E. 1978. An Annotated Bibliography of the Land 



and Fresh-water Reptiles of South America (1758-1975). 



Vol. II. (1901-1975). Mus. Zool., Universidade de Sao 



Paulo; Sao Paulo. 

 Vanzolini, P. E. 1981. The scientific and political contexts of 



the Bavarian expedition to Brazil, ix-xxix. In: 1981 



reprint of Spix, Johann Baptist von and Johann Georg 



Wagler. Herpetology of Brazil. Soc. Study Amph. Rept. 



Fasc. Reprints in Herpetology; Athens, Ohio. 

 Vanzolini, P. E. 1981. A quasi-historical approach to the 



natural history of the differentiation of reptiles in 



tropical geographic isolates. Papeis Avulsos de Zool. Sao 



Paulo 34(19) : 189-204. 

 Vanzolini, P. E. and W. Ronald Heyer. 1985. The American 



herpetofauna and the interchange. Pp. 475-487. In: F. G. 



Stehli and S. D. Webb, Eds. The Great American Biotic 



Interchange. Vol. 4, Topics in Geobiology. Plenum Press; 



New York. 



