40 



Perez, J. Z., G. Ojeda, and J. R. Leon. 1975. Analisis 



electroforetico de esterasas, hemoglobina y proteinas no 



enzimaticas en algunas especies de la familia Hylidae (Anura) . 



Carib. J. Sci. 15: 79-88. 

 Peters, J. A. 1960. The snakes of the subfamily Dipsadinae. 



Misc. Publ. Mus. Zool. Univ. Michigan, 114: 1-224. 

 . 1964. Supplemental notes on snakes of the subfamily 



Dipsadinae (Reptilia: Colubridae) . Beitr. Neotrop. Fauna 4: 



45-60. 



. 1964. Dictionary of Herpetology. Hafner Publ.; New York. 



. 1965. Colubridae (Dipsadinae). Das Tierreich 81: 1-18. 



. 1967. On Venezuelan snakes. Review of "La Taxonomia y 



Zoogeografia de los Ofidios de Venezuela" by Janis Roze. 



Copeia 1967(2): 496-498. 

 . 1968. A replacement name for Bothrops lansbergii 



venezuelensis Roze, 1959 (Viperidae, Serpentes) . Proc. Biol. 



Soc. Washington 81: 319-322. 

 . 1970. Generic position of the South American snake 



Tropidodipsas periianensis . Copeia 1970(2): 394-395. 

 , and R. Donoso-Barros. 1970. Catalogue of the Neotropical 



Sguamata. Part II. Lizards and Amphisbaenians. Bull. United 



States Nat. Mus. (297): 1-293. 

 , and B. Orejas-Miranda. 1969. Notes on the hemipenis of 



several taxa in the family Leptotyphlopidae. Herpetologica 



26(3) : 320-324. 

 , and B. Orejas-Miranda. 1970. Catalogue of the Neotropical 



Sguamata. Part I. Snakes. Bull. United States Nat. Mus. (297): 



1-347. 

 Polder, W. N. 1976. Dendrobates . Phyllobates un Colostethus . Het 



Aguarium 46: 260-266. 

 Pons, A. R. 1965. Rhinobothryum bovallii , Andersson - Genero y 



especie de ofidios nuevos para Venezuela. Kasmera 2(1):99-103. 

 Pope, C. H. 1961. The giant snakes. Knopf, New York. 290 pp. 

 Praderio, M. J. 1985. Aspectos ecologicos de una poblacion de 



Colostethus herminae (Dendrobatidae) en la guebrada de la 



Guairita, Estado Miranda. Tesis Esp. Grado. , Univ. Simon 



Bolivar, Caracas. 

 Presch, W. 1973. A review of the tegus, lizard genus Tupinambis 



(Sauria: Teiidae) from South America. Copeia 1973: 740-746. 

 . 1975. The evolution of limb reduction in the teiid lizard 



genus Bachia . Bull. S. California Acad. Sci. 74(3): 113-121. 

 . 1978. Description of the hemipenial morphology in eight 



species of microteiid lizards (Family Teiidae, Subfamily 



Gymnophthalminae) . Herpetologica 34: 108-112. 

 . 1980. Evolutionary history of the South American microteiid 



lizards (Teiidae: Gymnophthalminae) . Copeia 1980: 36-56. 

 Prieto A. S., J. R. Leon, and 0. Lara. 1976. Reproduction in the 



tropical lizard, Tropidurus hispidus (Sauria: Iguanidae) . 



Herpetologica 32(3): 318-323. 

 Pritchard, P. C. H. 1967. Living Turtles of the World. T.F.H. 



Publ. Inc.; Neptune, N. J. 

 . 1969. Studies of the systematics and reproductive cycles of 



the genus Lepidochelys . Ph.D. Dissertations. Univ. Florida, 



Gainesville. 



