Author:
Publisher:
ISBN:
Category : Amphibians
Languages : en
Pages : 684

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Author: Oliver Perry Hay
Publisher: Palala Press
ISBN: 9781377838014
Category :
Languages : en
Pages : 630

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Book Description
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.

Author: Oliver Perry Hay
Publisher: Forgotten Books
ISBN: 9781527894846
Category : Science
Languages : en
Pages : 714

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Excerpt from Chondrocranium Amphibia: Misc. Papers As stated in the communication referred to, these eggs were found in a cypress swamp at Little Rock, Ark., on Sept. 1, 1887. They had been deposited in a small excavation under an old log, which was lying at a distance of some rods from the nearest water; and were being cared for by the mother, who was lying coiled up around them. The mass of eggs was about as large as one's fist, and, being connected in strings, they greatly resembled a mass of large beads. When the eggs were put into alcohol, the young were seen to move about within the eggs. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.

Author: OLIVER PERRY. HAY
Publisher:
ISBN: 9781033909249
Category :
Languages : en
Pages : 0

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Author: Oliver Perry Hay
Publisher: Nabu Press
ISBN: 9781294030836
Category :
Languages : en
Pages : 630

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This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.

Author: William E. Duellman
Publisher: JHU Press
ISBN: 9780801847806
Category : Nature
Languages : en
Pages : 702

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Book Description
Now reissued in paperback with an updated preface by the authors, Biology of Amphibians remains the standard work in its field.

Author: William Kitchen Parker
Publisher:
ISBN:
Category : Amphibians
Languages : en
Pages : 669

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Author: Willie Vorster
Publisher: Springer Science & Business Media
ISBN: 3642739997
Category : Science
Languages : en
Pages : 117

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This volume is a valuable contribution to the comparative morphology of the bird's skull, especially the development of the chondrocranium. The normal stages of the development of the chondrocranium of Gallus are described in detail to provide a model with which to compare cranial abnormalities developing from the experimental application of teratogenic material. A full discussion and evaluation of the various problems and conflicting interpretations concerning aspects of the avian chondrocranium are also provided.

Author: George Marsh Higgins
Publisher:
ISBN:
Category : Amphibians
Languages : en
Pages : 90

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Author: Johannes M. de Kock
Publisher: Springer Science & Business Media
ISBN: 3642725783
Category : Medical
Languages : en
Pages : 124

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The study of the avian chondrocranium began in 1866 with W.K. Parker's "On the structure and development of the skull in the ostrich tribe". With this and other excellent papers, W.K. Parker (1866, 1869, 1875, 1876) laid the foundation for the study of the bird's skull. W.K. Parker's work was continued by T.J. Parker (1888, 1891), who investigated the skull of Apteryx. Apart from the studies of the Parkers, the most important contribution to the study of the development of the bird's skull published before 1900 is Suschkin's (1899) excellent and detailed account of Tinnunculus. At the beginning of the twentieth century, Sonies (1907) made a further contribution with his study on the development of the chondrocrania of Anas and Gallus. The first major work to appear after that of Sonies was De Beer and Barr ington's (1934) study on the segmentation and chondrification of the skull of Anas. This was an important contribution, because they not only standardized the nomenclature but also compared the avian chondrocranium with that of reptiles and mammals and discussed morphological problems on the basis of these comparisons.