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.
购买此电子书可免费获赠一本!
格式 PDF ● 网页 332 ● ISBN 9781442654198 ● 出版者 University of Toronto Press, Scholarly Publishing Division ● 发布时间 1958 ● 下载 3 时 ● 货币 EUR ● ID 6568473 ● 复制保护 Adobe DRM
需要具备DRM功能的电子书阅读器