References

 B.& Sabet-Peyman , J.  (2000, July 16,2000). Introduction to the

arthropoda...the real rulers of  the earth. Retrieved 9/22/02,

http://www.ucmp.berkeley.edu/arthropoda/arthropoda.html

Bright, E. & O'Brien, M. F. (1999, January,7 1999). Petalurdae - Tachopteryx, Uhler in Selys, 1859 Tachopteryx thoreyi (Hagan, in Selys, 1859) - Gray Petaltail. Retrieved September 19, 2002, http://insects.ummz.lsa.umich.edu/michodo/test/Tachoptx.htm

Trueman , J. W., & Rowe ,  . J. (2001). Dragonflies and damselflies. Retrieved 9/22/02, http://tolweb.org/tree?group=Odonata&contgroup=Pterygota

(1987). Encyclopaedia Brittannica (15th, ed. vol 21). : .

World Wide Dragonfly Association (). . Retrieved 9/11/02, http://powell.colgate.edu/wda/Beginners_Guide.htm

The University of Michigan Museum of Zoology Animal Diversity Web . Retrieved 9/11/02,

             http://animaldiversity.ummz.umich.edu/arthropoda/insecta/odonata.html

Multimedia Encyclopedia version 1 PB. The Software Toolworks. 1991-1992. On Compact Disc. Groiler. 9/15/02.

Cooper, Bob, Naturalist at Cummings Nature Center. Spoke with Bob 9/15/02.

Dunkle, S. W. (1981, September 1, 1981). The ecology and behavior of tachopteryx thoreyi (Hagan) (Anisoptera:Petaluridae). Odonatologica, 10(3), 189-199.

Kazlev, M. A. (2002, July 25, 2002). Evolutionary history of the insects. Retrieved11/16/02,

http://www.palaeos.com/Invertebrates/Arthropods/Insecta/insect_evolutio
n.htm

Dunkle, S. W. (2000). Dragonflies through binoculars: A field guide to dragonflies of North America. New York: Oxford University Press.

Novak, Paul. Zoologist, NYS Department of Conservation, NY Natural Heritage Program, Abany, NY. E-mail October 4 and10, 2002. pgnovak@gw.dec.state.ny.us

Dunkle, Sidney. Biology Dept., Collin County Community College Spring CreekCampus Plano, TX. E-mail October 10, 2002. sdunkle@ccccd.edu

Bright, E. & O'Brien, M. F. (1999, January 7, 1999). Petaluridae - Tachopteryx, Uhler in    Selys, 1859.Tachopteryx thoreyi (Hagen, in Selys, 1858) - Gray Petaltail:Notes on  Petaluridae and Tachopteryx thoreyi in Michigan. Retrieved 9/19/02, http://insects.ummz.lsa.umich.edu/michodo/test/Tachoptx.htm

 Abbott, J. C. (1999, December 16, 1999). Gray Petaltail Tachopteryx thoreyi (Hagen inSélys):  Petaluridae. Retrieved 9/19/02,                

http://www.esb.utexas.edu/jcabbott/odonata/texas/Texasspecies.asp?Tax
aID=2

New York State Department of Conservation (2001, July 2,2001). Special concern list. Retrieved 10/08/02,   http://www.dec.state.ny.us/website/dfwmr/wildlife/endspec/etsclist.html

I have included links to the sources of the images I was so kindly allowed to use, next to or under the images.