48 



1004. Pawley, R. 1971. Annual inventory... reptile house, 1970, Chicago Zoological Park. Bull. Chicago 

 Herpetol. Soc. 6(1):37-41. 



1005. Pawlovsky, E.N. 1927. Gifttiere und ihre Giftigkeit. pp. 247-333, 350-380 (Von G. Fischer), Verlag, 

 Jena. 



1006. Pearce, F.L. 1973. Absence of nerve growth factor in the venoms of bees, scorpions, spiders, and 

 toads. Toxicon 1 1(3):309-310. 



1007. Pennisi, E. 1989. Living in a land of extremes. Natl. Wildlife Mag. 27(3):14-21. 



1008. Perkins, C.B. 1947. A note on longevity of amphibians and reptiles in captivity. Copeia 1947:144. 



1009. Perrier, J.O.E. 1928. Developpement embryogenique des Vertebres allantoidiens les Reptiles. Traite 

 de Zoologie. 8:2885-3118. 



1010. Perry, J.J. 1996. Taxon management account for the beaded lizard/escorpion, Heloderma horridum 

 ssp. Arizona-Sonora Desert Museum, Tucson, Arizona. 



101 1. and C. Ivanyi. 2001. North American Regional Beaded Lizard Studbook, 3'^'' ed., Arizona- 

 Sonora Desert Museum, Tucson, Arizona. 



1012. Perry, P. 1990. The Concise Illustrated Book of Reptiles. W.H. Smith, New York. 



1013. Perry, S.F. 1998. Lungs: Comparative anatomy, functional morphology, and evolution, pp. 1-92. In: 

 C. Gans and A.S. Grant (eds.). Biology of the Reptilia, Vol. 19, Morphology C, Visceral Organs, 

 SSAR, Contr. Herpetol. (14). 



1014. Peters, G. 1967. Klasse Reptilia- Kriechtiere. pp. 355-508. In: K. Deckert (ed.), Urania Tierreich, 

 Band 4, Fische, Lurche, Kriechtiere, Urania- Verlag, Leipzig. 



1015. Peters, J. A. 1954. The amphibians and reptiles of the coast and coastal sierra of Michoacan, Mexico. 

 Occas. Pap. Mus. Zool. Univ. Michigan (554): 1-37. 



1016. . 1960. Notes on the faunistics of southwestern and coastal Michoacan with lists of reptilia and 



amphibia collected in 1950 and 1951. pp. 318-333. In: D.D. Brand (ed.), Coalcoman and Motines del 

 Oro, an ex-distrito of Michoacan, Mexico, Institute for Latin American Studies, Univ. Texas, Austin, 

 Texas. 



1017. and R. Donoso-Barros. 1970. Catalogue of the neotropical Squamata: Part II. Lizards and 



Amphisbaenians. Smithsonian Inst. Press, Washington, D.C. 



1018. Peters, W.C.H. 1861. Eine neue Gattung von ExdQchsQW, Xenosaurus fasciatus, aus Mexico. 

 Monatsber. Akad. Wiss. Berlin 1861:453-454. 



1019. . 1862. Uber Cercosaura und die mit dieser Gattung verwandten Eidechsen aus Siidamerica. 



Monatsber. Konilg. Akad. Wiss. Berlin, : 165-225. 



1020. Peterson, J. A. 1984. The microstructure of the scale surface in iguanid lizards. J. Herpetol. 18:437- 

 467. 



1021. Peterson, K.H. 1982. Reproduction in captive Heloderma suspectum. Herpetol. Rev. 13:122-124. 



1022. Peyer, B. 1968. Comparative odontology. Univ. Chicago Press, Chicago. 



1023. Philippen, G. 1989. Neue Unterart der Krusteneidechse aus dem Motagua-Tal in Guatemala. Aquar.- 

 u. Terrar.-Z. 42:588. 



1024. Philpot, V.B., Jr. and R.L. Stjemholm. 1984. Resistance of reptiles to venom, pp. 693-701. /«.• G.L. 

 Hoff, F.L. Frye, and E.R. Jacobson (eds.), Diseases of Amphibians and Reptiles, Plenum, New York. 



1025. Phisalix, M. 191 1. Note sur les effets mortels reciproques des morsures de V Heloderma suspectum 

 Cope et de la Vipera aspis Laur. Et sur les caracteres differentiels de leurs venins. Bui. Mus. Paris 

 1911:485-491. 



1026. . 1911. Effets reciproques des morsures de V Heloderma suspectum et de la Vipera aspis. Bull. 



Soc. Pathol. Exot. Paris 4:631-635. 



1027. . 191 1. Effets de la morsure d'un lezard venimeux d'Arizona, V Heloderma suspectum Cope. C. 



R. Hebd. Seances Acad. Sci., Paris 152:1790-1792. 



