Books with author Louis Agassie

This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. 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 the original work.

Excerpt from Outlines of Comparative Physiology: Touching the Structure and Development of the Races of Animals, Living and Extinct; For the Use of Schools and CollegesThe Principles of Zoology, of which the present volume forms the first part, was designed by Professor Agassiz, in conjunction with Mr. Gould, as a text-book for the use of higher schools and colleges, for which it is undoubtedly well adapted, as the style is simple, the arrangement clear, and the range of subjects important and comprehensive: it is, moreover, well suited for imparting to the general reader a sound knowledge of Physiology and the Philosophy of Natural History.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. 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 the original work.

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1851 Excerpt: ...n bloodvessels. In Eunices, they have a Branchiae of pectinated form, and in Aphrodita they are placed the Arenicola. on scales along the back. In the Hirudo (fig. 178) a series of vesicles lined with mucous membrane, and richly supplied with blood vessels, are regarded as respirating sacs. § 383. Fishes respire by branchiae, or gills, for the support and-protection of which a complicated framework of bones, cartilages, ligaments, and muscles is provided; the form and arrangement of this apparatus varies in the different families and genera. It may, however, be classified into--1st. The lingual bone and branchiostegous rays; 2nd. The branchial arches; 3rd. The opercula or gill covers. The gills are for the most part attached to the branchial arches, which extend from the sides of the os hyiodes, backwards to the cranium. They are, in general, four in number on each side of the head, and are composed of numerous lamellae, placed closely together, and arranged in a regular series over the whole external convex margin of the branchial arches, like the barbs of a feather, or the teeth of a comb. Everything is arranged to afford the greatest possible extent of surface for the contact of the water with the mucous membrane on which a rich vascular network is spread. In the common ray, the extent of surface of the mucous membrane of the gills is estimated at 2250 square inches. In osseous fishes, as the pike and perch, the gills adhere by their superior border, and are covered by moveable opercula. In the cartilaginous genera, as the rays and sharks, they are attached by both borders, and there are no opercula; the water, which in the former enters by the mouth and escapes by the opercula, in the latter is expelled by a series of fissures situated at the sides...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Lang:- English, Pages 74. Reprinted in 2015 with the help of original edition published long back[1847]. This book is in black & white, Hardcover, sewing binding for longer life with Matt laminated multi-Colour Dust Cover, Printed on high quality Paper, re-sized as per Current standards, professionally processed without changing its contents. As these are old books, there may be some pages which are blur or missing or black spots. If it is multi volume set, then it is only single volume. We expect that you will understand our compulsion in these books. We found this book important for the readers who want to know more about our old treasure so we brought it back to the shelves. (Customisation is possible). Hope you will like it and give your comments and suggestions.Original Title:- An Introduction to the Study of Natural History: In a Series of Lectures Delivered in the Hall ... 1847 [Hardcover] Author:- Louis Agassiz

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