Walker, Edmund. <br/><br/>
The Odonata of Canada and Alaska :  Volume One, Part I: General, Part II: the Zygoptera-Damselflies. 

 - 1st ed. 
 - 1 online resource (307 pages) 
 - Heritage Series .
 - Heritage Series .
<br/><br/>Cover -- CONTENTS -- PREFACE -- PART I. GENERAL -- A. EXTERNAL STRUCTURE-The Order Odonata -- External Features of the Adult Dragonfly -- External Features of the Full-grown Nymph -- B. LIFE HISTORY AND HABITS -- Habitats -- Habits of Adults -- Developmental Stages -- Enemies of Dragonflies -- Parasites -- PART II. THE ZYGOPTERA OF CANADA AND ALASKA -- Abbreviations -- Key to the Suborders of Odonata -- Key to the Families of Zygoptera -- Distribution of the Zygoptera of Canada and Alaska -- FAMILY AGRIIDAE -- Key to the Genera -- FAMILY LESTIDAE -- Genus Lestes Leach -- FAMILY COENAGRIIDAE -- Key to the Genera -- Addenda -- BIBLIOGRAPHY -- INDEX -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- V -- W -- Z. 
<br/><br/> Dr. Walker makes a signal contribution in gathering together all available information on the dragonflies of Canada and Alaska. 
<br/><br/><label>ISBN: </label>9781442654181 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QL520.2.C2.W355 1953