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The Embryology Of Limulus Classic Reprint
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Book Synopsis The Embryology of Limulus (Classic Reprint) by : John Sterling Kingsley
Download or read book The Embryology of Limulus (Classic Reprint) written by John Sterling Kingsley and published by Forgotten Books. This book was released on 2018-10 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Embryology of Limulus The observations here recorded were made at the Marine Biological Laboratory at Woods Holl, Massachusetts, during the months of June, July, and August, 1889 and 1890, and in the zoological laboratory of the University of Nebraska. In writing up the results obtained I have been hampered not a little by my distance from the larger libraries, and hence the compare tive portion of the paper is sadly deficient - a fact which no one can realize more than myself. 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.
Book Synopsis The Anatomy, Histology, and Embryology of Limulus Polyphemus (Classic Reprint) by : A. S. Packard Jr.
Download or read book The Anatomy, Histology, and Embryology of Limulus Polyphemus (Classic Reprint) written by A. S. Packard Jr. and published by . This book was released on 2015-08-05 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Anatomy, Histology, and Embryology of Limulus Polyphemus Since the publication of my first paper on the development of the horse-shoe or king crab (Limulus polyphemus), in the Memoirs of this Society, I have, as opportunity allowed, made additional observations on the development of the larva, and also on the histology of the different organs, and especially the brain. In making the microscopic sections of the embryos and for a series of sections of a brain, the latter of which were unstained, I am indebted to Professor T. D. Biscoe. For mounting some of these sections for study, I am indebted to Dr. C. B. Johnson of Providence, R. I., who also kindly cut, stained, and mounted preparations of the digestive canal. Within the past year I again returned to a study of the brain, using the methods of staining employed by German observers, Dietl and Krieger, also by Mr. E. T. Newton. The sections of the brain were cut and stained, as also those of the eyes, parts of the stomach and rectum, kidneys and liver, etc., by Mr. Norman N. Mason, of Providence, R. I., who kindly devoted a great deal of time to the work. To his unusual skill and delicacy of manipulation, I am indebted for a large number of preparations much better than I could have made myself, and which have been of most essential aid in preparing this paper; so that portions of the histological part of this paper, especially that on the structure of the eyes, are really joint productions with Mr. Mason, as we together examined the preparations. Position of Limulus among Arthropoda. The researches of M. Alphonse Milne-Edwards on the anatomy of Limulus, proved that this animal, so far from being a genuine normal crustacean, is either the type of a group equal to all the other Crustacea, namely a sub-class of Branchiata; or, as several authors contend, should be regarded as the representative of a distinct class of Arthropoda. Before arguing what we now believe to be the true position of Limulus and the allied fossil forms, including the Trilobites, let us take a review of the different opinions of the leading zoologists who have done special work on the animal. The titles of their work will be found in the bibliographical list at the end of this paper. 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.
Book Synopsis The Anatomy, Histology, and Embryology of Limulus Polyphemus by : Alpheus Spring Packard
Download or read book The Anatomy, Histology, and Embryology of Limulus Polyphemus written by Alpheus Spring Packard and published by . This book was released on 1880 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Embryology of Limulus by : J. S. Kingsley
Download or read book The Embryology of Limulus written by J. S. Kingsley and published by . This book was released on 1892 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Embryology of Limulus by : John Sterling Kingsley
Download or read book The Embryology of Limulus written by John Sterling Kingsley and published by Theclassics.Us. This book was released on 2013-09 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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. 1892 edition. Excerpt: ... Stage K, Figs. 34 and 35 (Packard, Fig. 25; Self, Figs. 16 and 17) is the last stage previous to the molt which results in the adult form. The abdomen is relatively much larger than before; the opercular lobes have nearly met in the median line, and the animal begins to burrow in the sand, although embryos of this stage are not infrequently taken in the towing net. Stage L (Packard, Fig. 27) is produced from the last by a single molt. It is characterized by the presence of an elongate telson much like that of the adult. With this stage my studies end. The following points may also be of interest. The Blastodermhaut is molted at about Stage F, the time varying with different eggs. It still persists as an embryonic envelope (vicarious chorion of Packard) until a late stage. Soon after it is shed from the parent cells a second embryonic cuticle is cast, and then the true chorion is shed, and the embryo, encased in the distended Blastodermhaut, escapes from the egg at about Stage K or L. The Blastodermhaut itself is ruptured, and the animal begins its free existence at the end of Stage I, Comparisons. A. With Previous Accounts.--H. L. Osborn ('85) and Brooks and Bruce ('85) have described some of the phases of segmentation, the latter studying sections. Their account so far as it goes is reconcilable with what I have described, including the pre-segmental movements. They have also noticed the primitive cumulus and interpret it as giving rise to the mesoderm, a point to be discussed later. Neither, however, traces the relationship of the cumulus to the embryo. According to the last quoted paper the blastoderm is to be regarded as ecto-mesoderm, the yolk as at least largely, if not wholly, entoderm. Packard ('72) has apparently seen some of...
Download or read book Embryology of Limulus written by and published by . This book was released on 1892 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Anatomy, Histology, and Embryology of Limulus Polyphemus by : A. S. 1839-1905 Packard
Download or read book The Anatomy, Histology, and Embryology of Limulus Polyphemus written by A. S. 1839-1905 Packard and published by Sagwan Press. This book was released on 2015-08-23 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis On the Embryology of Limulus Polyphemus by : Alpheus Spring Packard
Download or read book On the Embryology of Limulus Polyphemus written by Alpheus Spring Packard and published by . This book was released on 1871 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Embryology of Limulus by : John Sterling Kingsley
Download or read book The Embryology of Limulus written by John Sterling Kingsley and published by Palala Press. This book was released on 2016-05-21 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis On the Embryology of Limulus Polyphemus by : Alpheus Spring Packard
Download or read book On the Embryology of Limulus Polyphemus written by Alpheus Spring Packard and published by . This book was released on 1870 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Notes on the Embryology of Limulus by : John Sterling Kingsley
Download or read book Notes on the Embryology of Limulus written by John Sterling Kingsley and published by . This book was released on 1885 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Anatomy, Histology and Embryology of Limulus Polyphemus by : Alpheus S. Packard
Download or read book The Anatomy, Histology and Embryology of Limulus Polyphemus written by Alpheus S. Packard and published by . This book was released on 1880 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Embryology of Crepidula (Classic Reprint) by : Edwin Grant Conklin
Download or read book The Embryology of Crepidula (Classic Reprint) written by Edwin Grant Conklin and published by Forgotten Books. This book was released on 2017-12-19 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Embryology of Crepidula It is because of the perennial interest in these questions of the earliest homologies, and of the significance and causes of the various forms of cleavage, and also with the hope that I may be able either directly or indirectly to add something, however little, to the solution of some of these problems, that I now bring forward this long-delayed contribution on the Embryology of Crepidula. 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.
Book Synopsis The Embryology of the Opossum (Classic Reprint) by : Edward McCrady Jr.
Download or read book The Embryology of the Opossum (Classic Reprint) written by Edward McCrady Jr. and published by Forgotten Books. This book was released on 2018-09-15 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Embryology of the Opossum After that change the females began to ovulate, and we got our first litters from animals which had been raised in cap tivity. In the spring and summer of 1935 we had 250 young born in the colony. This year (1937) we have some third generation, captive-born young; so we feel that at least our major problems must have been solved. 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.
Book Synopsis A Textbook of General Embryology (Classic Reprint) by : William E. Kellicott
Download or read book A Textbook of General Embryology (Classic Reprint) written by William E. Kellicott and published by . This book was released on 2015-08-09 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from A d104book of General Embryology General embryology should occupy an important place in the collegiate study of biology. In no other connection are the essential phenomena of life better illustrated, in no other form are they more readily appreciated. The facts of embryology lead directly to the great problems of the science of biology as it exists to-day, and many fundamental biological conceptions either are directly connected with, or are illuminated by, the study of the early phenomena of individual development. The author's experience has clearly indicated that the subject has this value as a collegiate study. Indeed, the book is the direct outgrowth of such experience, and it ha, in substance, been in use as such a text for several years. In its present form it is hoped that it will be found useful to the student who is endeavoring to comprehend the general principles of the science of life, as well as to the student preparing for the professional study of some field of biology or of medicine. Its design as a textbook, rather than as a handbook, accounts for certain characteristics. The topics considered have throughout been approached from the standpoint of their general biological relations, and in the selection of the facts mentioned and the topics discussed, as well as in the style and method of presentation, the student has been first in mind. The arrangement of the subject matter in two sizes of type may prove useful for those undertaking a brief course. In a few instances this has involved slight repetition, but repetition is not always a pedagogic evil. At the end of each chapter will be found a list of references to literature. Usefulness to the student has been the only criterion in determining the admission of titles to these lists. 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.
Book Synopsis An Introduction to the Study of Embryology (Classic Reprint) by : Alfred C. Haddon
Download or read book An Introduction to the Study of Embryology (Classic Reprint) written by Alfred C. Haddon and published by Forgotten Books. This book was released on 2017-10-30 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from An Introduction to the Study of Embryology The name of embryo (or foetus, in mammalian embryology) is restricted to the unborn young. At birth the young may closely resemble the parent, or be very dissimilar; in the latter case, it is known as a larva, and undergoes a series of changes or a meta morphosis before it attains the adult state. Even closely allied animals may be born at very different stages in their development; the higher animals are, however, generally born at s relatively later stage than those lower in the animal scale. They are thus better fitted for the struggle for existence, and expend less energy during their development than if they had to provide for themselves. 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.
Book Synopsis Text-Book of Embryology (Classic Reprint) by : Frederick R. Bailey
Download or read book Text-Book of Embryology (Classic Reprint) written by Frederick R. Bailey and published by Forgotten Books. This book was released on 2018-02-06 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from d104-Book of Embryology The generally favorable criticisms with which the first edition of the text book has been received and the necessity for a second edition in two years is gratifying. If its reception may serve as a criterion of its usefulness as a book intended primarily for the student of medicine, it is fulfilling the main pur pose of its authors. In the present edition some errors have been corrected and some para graphs have been rewritten, owing to the fact that important advances have been made in the science even in the brief time elapsing between the two editions. There has been however no change in the general plan and scope of the work, as outlined in the preface to the first edition. 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.
