The Odonata of Canada and Alaska : : Volume Two, Part III: The Anisoptera–Four Families / / Edmund Walker.

• Superior document: Title is part of eBook package: De Gruyter University of Toronto Press eBook-Package Archive 1933-1999
• VerfasserIn: Walker, Edmund,
• MitwirkendeR: Ubquhabt, F. A.,
• Place / Publishing House: Toronto : : University of Toronto Press, , [2017]; ©1958
• Year of Publication: 2017
• Language: English
• Series: Heritage
• Physical Description: 1 online resource (332 p.)
• Other title: Frontmatter --; Foreword --; Preface --; Abbreviations --; Contents --; Part III. The Anisoptera of Canada and Alaska --; General Characteristics of Anisoptera --; Key to the Families of Anisoptera --; Family Aeshnidae Selys --; Family Petaluridae Needham --; Family Gomphidae Rambuh --; Family Cordulegastridae --; Bibliography --; Index
• Format: Mode of access: Internet via World Wide Web.
• ISBN: 9781442654198; 9783110490947
• DOI: 10.3138/9781442654198
• Access: restricted access
• Hierarchical level: Monograph
• Statement of Responsibility: Edmund Walker.

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.