A Contribution To The Embryology And Phylogeny Of The Pycnogonids
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A Contribution To The Embryology And Phylogeny Of The Pycnogonids
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Author : Thomas Hunt Morgan
language : en
Publisher:
Release Date : 1891
A Contribution To The Embryology And Phylogeny Of The Pycnogonids written by Thomas Hunt Morgan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1891 with Pycnogonida categories.
Contribution To The Embryology And Phylogeny Of The Pycnogonids
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Author : T. H. Morgan
language : en
Publisher: Legare Street Press
Release Date : 2023-07-18
Contribution To The Embryology And Phylogeny Of The Pycnogonids written by T. H. Morgan and has been published by Legare Street Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-18 with History categories.
This book catalogs the embryology and phylogeny of the Pycnogonids, also known as sea spiders. T. H. Morgan examines the history of these creatures from their earliest known ancestors to their current form, and presents a wealth of information about their development. The book is a must-read for anyone interested in marine life, biology, or evolution. 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 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. 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.
A Contribution To The Embryology And Phylogeny Of The Pycnogonids
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Author : Thomas Hunt Morgan
language : en
Publisher:
Release Date : 1890
A Contribution To The Embryology And Phylogeny Of The Pycnogonids written by Thomas Hunt Morgan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1890 with Pycnogonida categories.
Contribution To The Embryology And Phylogeny Of The Pycnogonids
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Author : Thomas Hunt Morgan
language : en
Publisher: Hardpress Publishing
Release Date : 2013-12
Contribution To The Embryology And Phylogeny Of The Pycnogonids written by Thomas Hunt Morgan and has been published by Hardpress Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12 with Literary Collections categories.
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.
Contribution To The Embryology And Phylogeny Of The Pycnogonids
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Author :
language : en
Publisher:
Release Date : 1891
Contribution To The Embryology And Phylogeny Of The Pycnogonids written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1891 with categories.
A Contribution To The Embryology And Phylogeny Of The Pycnogonids
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Author : Thomas Hunt Morgan
language : en
Publisher: Palala Press
Release Date : 2015-09-05
A Contribution To The Embryology And Phylogeny Of The Pycnogonids written by Thomas Hunt Morgan and has been published by Palala Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-05 with categories.
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.
Contribution To The Embryology And Phylogeny Of The Pycnogonids Scholar S Choice Edition
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Author : T. H. Morgan
language : en
Publisher:
Release Date : 2015-02-19
Contribution To The Embryology And Phylogeny Of The Pycnogonids Scholar S Choice Edition written by T. H. Morgan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-02-19 with categories.
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.
Contribution To The Embryology And Phylogeny Of The Pycnogonids Vol 5
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Author : T. H. Morgan
language : en
Publisher:
Release Date : 2015-08-05
Contribution To The Embryology And Phylogeny Of The Pycnogonids Vol 5 written by T. H. Morgan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-05 with Science categories.
Excerpt from Contribution to the Embryology and Phylogeny of the Pycnogonids, Vol. 5: A Dissertation, Presented to the Board of University Studies for the Degree of Doctor of Philosophy Then Prof. Dohrn attempted the solution from the standpoint of Embryology, instituting a comparison "or even identity" between the Pycnogonid larva and the Nauplius, believing the Pycnogonids to have diverged from the Crustacea at this point. During the following tventy: five years opinions once more vacillated between Arachnidan and Crustacean affinities. Recently Prof. Dohrn and Dr. Hoek have each independently monographed the group, placing the morphology of the order on a very firm basis. Independently likewise they each reached the conclusion that the group is to be placed neither with the Arachnids nor with the Crustacea, but that these three groups have come down in parallel lines. The early stages of the embryology of the Sea-Spiders have been practically untouched, and before any final decision as to the affinities of the group is to be made, these stages in the development should be known and take equal rank with Comparative Anatomy in disentangling the relationships of the group. For many reasons the present paper attempts in no way to give a complete answer from the embryological side. The very great difficulties of a suitable technique had slowly to be overcome, and the time at command prevented a detailed description of the different organs arising from the germ-layers, so that much remains that might be done. In the summer of 1889 material for work was collected at Wood's Holl, Mass. Through the courtesy of Prof. MacDonald I was enabled to collect and study at the station of the U.S. Fish Commission at this place. To Prof. MacDonald I am also indebted for many other kindnesses extended during my stay at Wood's Holl. Three genera of Pycnogonids, each with a single species, are to be found at this place, viz. Pallene empusa, Phoxichilidium maxillare, Smith (Anoplodactylus lentus, Wilson), and Tanystylum orbiculare. During July, August and September these are found with eggs. Pallene inhabits the hydroids (Tubularia, Pennaria) on the piles of the wharves, and is also common on the red sea-weeds below low-tide mark. The hydroids or sea-weeds as soon as collected were brought into the laboratory and worked over piece by piece. 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.
A Contribution To The Embryology And Phylogeny Of The Pycnogonids A Dissertation By T H Morgan
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Author : Thomas Hunt Morgan
language : en
Publisher:
Release Date : 1891
A Contribution To The Embryology And Phylogeny Of The Pycnogonids A Dissertation By T H Morgan written by Thomas Hunt Morgan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1891 with categories.
Contribution To The Embryology And Phylogeny Of The Pycnogonids By T H Morgan
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Author :
language : en
Publisher:
Release Date : 1890
Contribution To The Embryology And Phylogeny Of The Pycnogonids By T H Morgan written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1890 with categories.