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Peterson Field Guide(R) to Eastern Butterflies (Peterson Field Guides)
Peterson Field Guide to Eastern Butterflies - R - Peterson Field Guides Author:Paul A. Opler, Roger Tory Peterson This all-new edition of the classic guide contains information on identifying marks, ranges, habitats, and other pertinent facts concerning 524 species of butterflies. Opler expands on a tradition of viewing these beautiful creatures as living organisms to be understood and conserved, not merely as specimens to be acquired. 48 color plates.