9 



55. . 1987. Management and breeding of the Mexican beaded lizard Heloderma horridum at the 



Detroit Zoo. pp. 25-42. In: M.J. Rosenberg (ed.), 1 1"" International Herpetological Symposium on 

 Captive Propagation and Husbandry, Chicago, Illinois. 



56. Applegate, R.W. 1993. Tails of Gila monsters and beaded lizards, pp. 39-44. In: R. Staub (ed.). 



Proceedings of the 1991 Northern California Herpetological Society Conference on Captive 

 Propagation and Husbandry of Reptiles and Amphibians, Davis, California. 



57. . 1999. Heloderma suspectum-horridum : The horrible, suspicious, venomous lizards of the New 



World. Reptilia (GB) 20(7):28-33. [Heloderma suspectum-horridum: Los terribles lagartos 

 venenosos del Nuevo Mundo. Reptilia (E) 20:28-33.] 



58. Applegarth, J.S. 1977. Index to the genera of living families of Reptilia. Sauria (Lacertilia and 



Amphisbaenia). Priv. Printed. 



59. . 1980. Index to the genera of living families of Reptilia. Sauria (Lacertilia and Amphisbaenia). 



Rev. ed., Priv. Printed. 



60. . 1983. Index to the genera of Reptilia - a device to assist curators. Sauria (Lacertilia and 



Amphisbaenia). 3"* ed., Priv. Printed. 



61. Ariano Sanchez, D. 2003. Distribucion e historia natural del Escorpion, Heloderma horridum 



charlesbogerti Campbell y Vannini (Sauria: Helodermatidae) en Zacapa, Guatemala y 

 caracterizacion de su veneno. Unubl. Tesis Licenciado en Biologia, Univ. del Valle de Guatemala, 

 Guatemala. 



62. Amberger, L.P. 1948. Gila monster swallows quail eggs whole. Herpetologica 4:209-210. 



63. Amett, J.R. 1976. Mexican beaded lizards in captivity, pp. 107-1 11. In: Regional Conference 



Proceedings, American Association of Zoological Parks and Aquariums (AAZPA), Knoxville, 

 Tennessee. 



64. Arnold, E.N. 1984. Variation in the cloacal and hemipenial muscles of lizards and its bearing on their 



relationships, pp. 47-85. In: M.W.J. Ferguson (ed.). The Structure, Development and Evolution of 

 Reptiles, Symp. Zool. Soc, London. 



65. . 1984. Evolutionary aspects of tail shedding in lizards and their relatives. J. Nat. Hist. 18:127- 



169. 



66. . 1988. Caudal autotomy as a defense, pp. 235-273. In: C. Gans and R.B. Huey (eds.). Biology of 



the Reptilia, Vol. 16, Ecology B, Alan R. Liss, Inc., New York. 



67. Arnold, R.E. 1973. What To Do About Bites and Stings of Venomous Animals. Macmillan, New York. 



68. Aronsky, J. 1998. Watching Desert Wildlife. National Geographic Society, Washington, D.C. 



69. Arrington, O.N. 1930. Notes on the two poisonous lizards with special reference to Heloderma 



suspectum. Bull. Antivenin Inst. Am. 4:29-35. 



70. Ashton, R.E., Jr., S.R. Edwards and G.R. Pisani. 1976. Endangered and threatened amphibians and 



reptiles in the United States. SSAR Misc. Publ., Hereptol. Circ. (5): 1-65. 



71. Ast, J.C. 2001. Mitochondrial DNA evidence and evolution in Varanoidea (Squamata). Cladistics 



17:211-226. 



72. Auffenberg, W. and W.W. Milstead. 1965. Reptiles in the Quaternary of North America, pp. 57-568. 



In: H.E. Wright, Jr. and D.G. Frey (eds.). The Quaternary of the United States. A Review Volume 

 for the Vll Congress of the International Association for Quaternary Research, Princeton Univ. 

 Press, Princeton, New Jersey. 



73. Auge, M. 1995. Un herlodermatide (Reptilia, Lacertilia) dans I'Eocene inferieur de Dormaal, Belgique. 



Bull. Inst. R. Sci. Nat. Belg. Sci. Terre 65:277-281. 



74. Avery, R.A. 1982. Field studies of body temperatures and thermoregulation, pp. 93-166. In: C. Gans 



and F.H. Pough (eds.). Biology of the Reptilia, Vol. 12, Morphology C, Physiological Ecology, 

 Academic Press, New York. 



