The External and Internal Parasites of Domestic Animals: Their Effects and Remedies (1870) - Couverture rigide

Verrill, A E; Verrill, Addison Emery

Couverture rigide

ISBN 10 : 1436624509 ISBN 13 : 9781436624503

Editeur : Kessinger Publishing, 2008

Synopsis

The External And Internal Parasites Of Domestic Animals: Their Effects And Remedies is a comprehensive guide to the various types of parasites that afflict domestic animals, written by Addison Emery Verrill and first published in 1870. The book covers a wide range of parasites, including ticks, lice, fleas, and worms, and provides detailed information on their life cycles, effects on the host animal, and methods of prevention and treatment. Verrill draws on his extensive experience as a veterinarian to provide practical advice for farmers and livestock owners, including recommendations for the use of various medications and insecticides. The book is written in a clear and accessible style, making it an invaluable resource for anyone interested in the health and well-being of domestic animals.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.

A propos du livre

Présentation de l'éditeur

From the Report of the Connecticut Roard of Agriculture for 1870.] The External Parasites of Domestic A nimals, THEIR EFFECTS AND REMEDIES. BY A. E. VERRILL. The external parasites of our domestic animals nearly all belong to the great class of animals which we call I nsects, but the internal parasites are, with few exceptions, representatives of the class of Worms. The division of the subjects of these lectures is, therefore, both convenient and natural. The class of Insects includes a far greater number of species than any other class of animals, the number actually amounting to several hundred thousands, each country having a vast number peculiar to itself. They are also exceedingly diverse in habits, as well as in form and structure. In order to show the affinities of the insect-parasites and their position among other insects, it will be necessary to give a brief sketch of the whole class, with a few remarks on the more important peculiarities of their anatomy. All insects, like the other articulated animals (worms and Crustacea), have a body composed of a series of segments or rings, placed one behind the other, and together forming a sort of irregular tube, which incloses in one cavity all the in In the preparation of the reports of these lectures on the parasites of domestic animals, we are greatly indebted toD r. A. S. Packard for the use of manycuts of insects from his excellent Guide to theS tudy of Insects and the American Naturalist, published atS alem, Mass.; and toD onald G. Mitchell, Esq., editor of the Hearth and Home, published by Pettingill, Bates Co., New York, for the use of several excellent cuts of parasitic woi-ms, prepared to illustrate a series of articles on parasites of man and domestic animals by the writer. Without this assistance the lectures could have been illustrated only imperfectly. In addition to these we have added, so f
(Typographical errors above are due to OCR software and don't occur in the book.)

Présentation de l'éditeur

Fig. 2. zBOARD OF AGRICULTURE. ternal organs. The nervous system consists of a double nerve-centre or ganglion in the upper part of the head, connected with another below by nerves that pass around the gullet on each side, so as to enclose it as in a ring, and this lower double ganglion is connected by a double nervous cord with a series of similar ganglions or nerve-masses, which are arranged along the lower side of the body, below the intestine, each ganglion sending off small nerves to the adjacent organs (figure 2). The rings of the body are thickened in certain parts, and in the head and middle region of the body are more or less consolidated. They thus form a somewhat firm external skeleton, composed of a peculiar substance, called chitin. When the rings are movable this outer covering, where it connects the rings together, is thinner and flexible, and often folded inward so as to form peculiar joints. The legs, jaws, and other external organs, are merely hollow outfoldings of the outer covering, and contain, like the body, the muscles that move the various parts, while their cavities communicate freely with that of the body, and thus receive their supply of blood, nerves, etc. Each joint of the legs and other appendages is also formed by a thinner portion of the outer covering, which is folded in upon itself in various ways. The wings, when present, are also outfoldings of the integuF or description ofF igures see next page. Fig.
(Typographical errors above are due to OCR software and don't occur in the book.)

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Détails de l'édition

• Éditeur: Kessinger Publishing
• Date d'édition: 2008
• Langue: anglais
• ISBN 10: 1436624509
• ISBN 13: 9781436624503
• Reliure: Relié
• Nombre de pages: 144
• Coordonnées du fabricant: non disponible
• Personne responsable: KreGa Onlinehandel GmbH; 4950000000000; info@krega-onlinehandel.de; ; Birkenweg 31; Brakel; 33034; Allemagne