REFERENCES & GUIDES TO IDENTIFICATION

Glassberg, Jeffrey. 1993. Butterflies through binoculars. Oxford University Press. New York, New York. 166 p.(*)

Hall, Marney L. 1981. Butterfly monitoring scheme. Instructions for independent recorders. Institute of Terrestrial Ecology. Cambridge, Lancashire, England. 14 p.

Iftner, David C., John A. Shuey, and John V. Calhoun. 1992. Butterflies and skippers of Ohio. Ohio Biological Survey Bulletin. NS. 9(1). Columbus, Ohio. 212 p.(*)

Mitchell, Robert T. and Herbert S. Zim. 1987. Butterflies and moths. A Golden Nature Guide. Golden Press. New York, New York. 160 p. (*)

Nature Science Network. 1995. Video guide to eastern butterflies. Di rected by Michael Godfrey. Written by Kenn Kaufman. Nature Science Network. 108 High Street, Carrboro, North Carolina. (*)

Newcomb, Lawrence. 1997. Newcomb's wildflower guide. Little, Brown and Company. New York. 490 p.

Opler, Paul A. and George O. Krizek. 1984. Butterflies east of the great plains. The Johns Hopkins University Press. Baltimore, Maryland. 294 p.

Opler, Paul A. and Vichai Malikul. 1998. A field guide to eastern butterflies. 2nd Edition. The Peterson Field Guide Series. Houghton Mifflin Co. NewYork, NewYork. 396 p. (*)

Pollard, Ernest. 1991. Monitoring butterfly numbers. Monitoring for conservation and ecology. Barrie Goldsmith, ed. Chapman and Hall, Inc. New York, New York. 288 p.

Pollard, Ernest, and Tina J. Yates. 1993. Monitoring butterflies for ecology and conservation. Chapman and Hall, Inc. New York, New York. 274 p.

Shuey, John A., John V. Calhoun, and David C. Iftner. 1987. Butterflies that are endangered, threatened and of special concern in Ohio. Ohio Journal of Science 87:98-106.

Walton, Richard K. 1995. Skippers of the northeast: A video guide. R. Walton. 7 Concord Greene #8, Concord, Massachusetts. (*)

(*) = Available from The Ohio Lepidopterists Sales Program