This book has been considered by academicians and scholars of great significance and value to literature. This forms a part of the knowledge base for future gen
Excerpt from A Handbook of the Dragonflies of North America Owing to the insistence of other duties the completion of this book has been long delayed. Many of t
This monograph is the first of its kind devoted entirely to the dragonfly nymphs of North America north of Mexico, the focus being accurate identification of th