Dr. Walker and Dr. Corbet make 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.

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.

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.

This issue, we begin the second volume in Ed Glasby’s monumental fantasy trilogy with The Dark Pilgrimage, plus we have a complete science fiction novel by Nelson S. Bond and a complete classic mystery novel Mary Roberts Rinehart, Avery Hopwood (adapted from their play by acclaimed author Stephen Vincent Benét).On the mystery short story end of things, Acquiring Editor Michael Bracken has an original from Tom Larsen, and Acquiring Editor Barb Goffman as a Thanksgiving tale...

Originally published in the Great Depression this accessible volume was aimed not only at the academic economist, but also the general reader. The cycles of panic, boom and bust are discussed and solutions provided as to how to get over the bust periods as efficiently as possible. The commodities of wheat and gold are discussed in detail, and comparisons made between UK and US budget surpluses and deficits.

Make sure you can identify the many different types of surgical instruments! Surgical Instruments: A Pocket Guide, 4th Edition is a quick "go-to" source for information on over 160 of the most commonly used surgical instruments. Each two-page spread features full-color photos of an instrument and its tip (if applicable), and then describes how it is used, its common variations, and any alternative names. Written by Maryann Papanier Wells, this compact, durable reference is easy to keep wit...

This is the first comprehensive, reliable, well-illustrated book covering the enormous diversity of Australian moths, summarising our knowledge of them by the acknowledged experts in the field. The text includes nomenclature and a wealth of information on distribution, larval food plants, and the fascinating behaviour of these often colourful insects. There are authoritative accounts of moth structure, their life history, biology, population control, economic significance, evolution and geogr...

"For melittologists . . . as well as anyone interested in the conservation, ecology, biology, natural history, or simple appreciation of bumble bees." —Michael S. Engel, Entomologist's MonthlyMore than ever before, there is widespread interest in studying bumble bees and the critical role they play in our ecosystems. Bumble Bees of North America is the first comprehensive guide to North American bumble bees to be published in more than a century. R...

Despite numerous scientific investigations on vector-borne human infections such as malaria, Lyme disease and typhus these diseases continue to threaten human health. Understanding the role of vectors in disease transmission, and the most appropriate control strategies, is therefore essential. This book provides information on the recognition, biology, ecology and medical importance of the arthropods that affect human health. The fifth edition of this popular textbook is completely updated...

It seems to the author that three kinds of work should be included in the elementary study of zoology. These three kinds are: (a) observations in the field covering the habits and behavior of animals and their relations to their physical surroundings, to plants, and to each other; (b) work in the laboratory, consisting of the study of animal structure by dissection and the observation of live specimens in cages and aquaria; and (c) work in the recitation- or lecture-room, where the signifi...

This book provides practical morphological information, together with detailed illustrations and concise texts explaining each entry. The book details the morphological characters of each organism, providing fundamental information for palaeontologists and palaeobiologists alike. Each chapter starts with a brief introduction and goes on to describe the organism’s morphology in detail, followed by a brief note on classification and lastly illustrated examples of stratigraphically important ...

Longhorn Beetles — Cerambycidae are one of the most easily recognised groups of beetles, a family that worldwide encompasses over 33,000 species in 5,200 genera. With over 1,400 species classified in 300 genera, this is the sixth largest among 117 beetle families in Australia. These beetles often attack and kill living forest or orchard trees and develop in construction timber (like European House borer, introduced to WA), causing serious damages. Virtually all Cerambycidae feed on living or ...