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Describes the physical characteristics, habitat, and types of worms, including leeches, earthworms, and tapeworms.
Introduction of the nematoda; Tylenchorids and rhabditorids; Hookworms; Strongyles; Nodular worms, bowel worms, gapeworms and kidney worms; Trichostrongyles; Lungworms and related nematodes; Ascarids and related nematodes; Heterakids and other cecal worms; Pinworms and related nematodes; Spirurorids; Filarial nematodes; Guinea worms and related nematodes; Whipworms; Capillariins and related nematodes; Trichinella and trichinosis; Dioctophymatorids.
The first edition of this book was published in 1992 (see Helminthological Abstracts (1993) 62, abstract 1457). This new enlarged edition includes additional relevant information from some 450 articles published between 1989 and 1998 (with a few from 1999), and some articles overlooked or unavailable for the first edition. The number of species covered has been increased by 34 (total now 595). As before, the book is in 2 parts, the Secernentea and Adenophorea, which are now regarded as classes rather than subclasses. The Secernentea covers the orders Rhabditida, Strongylida, Oxyurida, Ascaridida and Spirurida (suborders Camallanina and Spirurina), and the Adenophorea covers the order Enoplida, with the Dioctophymina and Trichinellina now treated as separate suborders. The aim of the book remains "to summarize and synthesize knowledge of the basic features of the development and transmission of parasitic nematodes of vertebrates, and to place this information in the context of the modern classification as found in the CIH Keys to the Nematode Parasites of Vertebrates" [but see the 2 departures from these keys as noted above]. Nematode parasites of humans, domestic animals and wildlife (including fish) are covered. Each chapter or part begins with an overview of the mode of feeding, habitat and life cycles of the group. This is followed by descriptions and illustrations of larval stages of named specific examples. The number of illustrations has been increased from 33 to 43. Comprehensive bibliographies appear at the end of the sections on each order or suborder.
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1898 edition. Excerpt: ... lows: a hole was made with a stick in the soil reaching nearly to the bottom of the bed, or pot if such happened to be used, into this was inserted a funnel to catch the liquid and convey it to the bottom of the hole, after which the funnel was removed and the top of the hole was stopped up with earth. The fumes from the very volatile liquid soon permeate the soil and in this way many worms are killed. It was not possible, however, to apply much of this solution to pots containing cucumber plants, as we found that they were invariably injured even when as small a quantity as 15 drops were used, although in the open soil it can be employed with much less injury to the plants. Commercial Ammonia and Ammonia water from gas works were usually applied in the same way as was the Carbon bisulfid, although neither of them at the concentration used caused any injuries to cucumber plants. From the experiments with solutions we may draw the following deductions: -- There are many solutions capable of killing a certain percentage of adult worms that can be applied to the soil either before or after planting without injuring the plant. The strength and the amount of the solution necessary to kill the adult worm in the soil is considerably greater than that necessary to apply when the worm is isolated. This is due to the difficulty in getting the solution to come in contact with each particle of matter m and around which the nematodes thrive. None of the solutions named above are capable of killing the eggs of the nematode in the soil, and unless this is accomplished the treatment is of no account. Sterilizing or Heating the Soil the most Effectual and Practical Method of Exterminating Nematodes in the Greenhouse. Our experiments in heating the soil by..
Many different kinds of animals have adopted a parasitic life style on the skin and gills of marine and freshwater fishes, including protozoans, flatworms, leeches, a range of crustaceans and even some vertebrates (lampreys). There is a parasitic barnacle, described first in the 19th century by Charles Darwin, fish lice that change sex and bivalve molluscs parasitic only when young. This book explores for the first time in one volume, the remarkable biology of these little known and frequently bizarre animals. The following closely interwoven themes are considered for each group of parasites: how they find their hosts, how they attach, feed and reproduce, the damage they inflict and how the host’s immune system retaliates. Based on the British fauna, but extending where appropriate to examples from North America, Australia and elsewhere, the book is essential reading, not just for the professional parasitologist, but also for anyone interested in fishes and in this neglected field of British natural history. With the enquiring naturalist in mind, terms and concepts are explained as they arise, backed up by a glossary, and the text is liberally illustrated. An introductory chapter on fish biology sets the scene and common fish names are used throughout, as well as scientific names.
Black & white print. Concepts of Biology is designed for the typical introductory biology course for nonmajors, covering standard scope and sequence requirements. The text includes interesting applications and conveys the major themes of biology, with content that is meaningful and easy to understand. The book is designed to demonstrate biology concepts and to promote scientific literacy.
Parasitic Diseases of Wild Birds provides thorough coverage of major parasite groups affecting wild bird species. Broken into four sections covering protozoa, helminths, leeches, and arthropod parasites, this volume provides reviews of the history, disease, epizootiology, pathology, and population impacts caused by parasitic disease. Taking a unique approach that focuses on the effects of the parasites on the host, Parasitic Diseases of Wild Birds fills a unique niche in animal health literature.