This is a well-illustrated guide to all the fossil and present-day species of butterflies in the florissant region of central Colorado. Some fossils, 35 million years old, bear a close resemblance to various species today, while other, living examples, have unusual life histories.
Publisher
Stanford University Press
Publication Date
May 1992
ISBN
9780804720182
Pages
148 p.
Item Type
Book
Format
Paperback
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