Description
Dr. Walker makes a signal contribution in gathering together all available information on the dragonflies of Canada and Alaska. The order as a whole and the zygoptera are covered. The treatment is not confined to taxonomy and geographical distribution, but includes data on habitats, seasons of adult life, and brief notes on habits when these are available.
Typham this is the title: The Odonata of Canada and Alaska Volume One, Part I: General, Part II: The Zygoptera�Damselflies 1st Edition
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