I would like to thank everybody who allowed me to use their images and

     educational material.  It was great help to complete this project.  Thanks!

BOOKS:

Ernst. H. Carl.  1992.  Venomous Reptiles of North America.  Smithsonian Institution Press, Washington, USA.

Martin, James.  1995.  Poisonous Lizards: Gila Monsters and Mexican Beaded Lizards.  Capstone Press.  Minneapolis, Minnesota, USA.

Mattison, Chris.  2004.  Lizards of the World.  Facts on File, Inc.  New York, New York, USA.

Pringle Laurence. 1997.  Animal Monsters:  The Truth About Scary Creatures.  Marshael Cavendish, Terrytown, New York, USA.

Vitt J. Laurie and Eric R. Pianka. 2003.  Lizards:  Windows to the Evolution of Diversity.  University of California Press, Los Angeles, California, USA.

Zweifel G. Richard and Harold G. Cogger.  1992.  Reptiles and Amphibians.  Smithmark Plublishers, New York,

IMAGES AND WEB SITES:

Boyce Thomson Arboretum 2003.  URL:http://ag.arizona.edu/bta/gilamonster.html.  Accessed 16 April.

Brad and Lynn's Field Photos  2007.  URL:http://www.herpindiego.com/GilaMonster.html.  Accessed 20 April 2008.

Dotcomtucson 2008.  URL:http://www.dotcomtucson.com/tucson_arizona_animals/gila_monster.html.  Accessed  21 April 2008.

Dr. Seward 2002.  URL:http://www.drseward.com>.  Accessed 19 April 2008.

Gila Monster Images 2008.  URL:http://en.wikipedia.org/wiki/Gila_monster.  Accessed 15 April 2008.

San Diego Zoo 2008.  URL:http://www.sandiegozoo.org>.  Accessed 10 April 2008.

Smithsonian National Zoo 2007.  URL:http://www.nationalzoo.si.edu>.  Accessed 13 April 2008.

WhooZoo 2000.  URL:http://www.whozoo.org/anlife2000/jamiebritt/gilaindexrev.html.  Accessed 14 April 2008.