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The Ohio Naturalist And Journal Of Science Volumes Xiv Xv 1912 1915
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Book Synopsis The Ohio Naturalist and Journal of Science, Volumes XIV, XV, 1912- 1915 by : Trieste Publishing Pty Limited
Download or read book The Ohio Naturalist and Journal of Science, Volumes XIV, XV, 1912- 1915 written by Trieste Publishing Pty Limited and published by . This book was released on 2017-08-18 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ohio Naturalist and Journal of Science, Vol. 15 by : John H. Schaffner
Download or read book The Ohio Naturalist and Journal of Science, Vol. 15 written by John H. Schaffner and published by . This book was released on 2015-07-01 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Ohio Naturalist and Journal of Science, Vol. 15: 1912-1915 He did not find a conjugation of two threads during synapsis. He mentions a slight resting stage between the first or heterotypic division and the second, homotypic division, but docs not speak of any longitudinal splitting of the heterotypic chromosomes until after the transverse splitting occurs. The longitudinal splitting was visible just before the chromosomes reached the poles. Gates (7) in his paper on Oenothera rubrinervis, states that the contraction of the chromatin material is synapsis and that since the cytoplasm of the cells shows no contraction, the cell is perfectly fixed. For this reason, the contraction, so constantly observed at an early stage in the process, is not an artifact, but is a real contraction stage, leading to synapsis. As this contraction proceeds the reticuim is re-arranged into a long, continuous delicate thread. No indication of a doubling or pairing of the threads was evident. After the synapsis the spiretn shortens and thickens and begins to arrange itself more loosely in the nuclear cavity. This shortening is progressive and continues for some time. He states that the shortening may be uniform, or it may vary or may be irregularly constricted at varying intervals. This thickened thread now segments transversely into fourteen chromosomes-fourteen being the sporophytic number. Then these chromosomes break up into pairs which later fuse with each other leaving the x numljcr of chromosomes. They arc taken on the spindle and reduction follows in the usual way. In his paper on Oenothera lata x O. gigas (9) he begins his dicussion with the telophase The usual number of chromosomes found in the hybrid is twenty-one, seven being of maternal and fourteen of paternal origin. In the reduction one germ cell receives ten and the other eleven chromosomes. In a few cases nine and twelve chromosomes were the numbers found at the respective poles. One cell was found which had twenty chromosomes, ten of which went to each pole. The segmentation into ten and eleven proves that there is not a pairing of homologus chromosomes of maternal and paternal origin but the segmentation tends to be into two numerically equal parts. Gates claims evidence from his work, that there are two general methods of chromosome reduction, one a side to side pairing of chromatin threads (parasynapsis) to form a double spirem; the other involving an end to end arrangement (telosynapsis) of maternal and paternal chromosomes, to form a single spirem which afterwards splits longitudinally. He says an individual always has as many chromosomes as the sum of the chromosomes in the germ cells which go to form the new plant. This fact, he says, supports the genetic continuity of the chromosomes. 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 Ohio Naturalist and Journal of Science by :
Download or read book The Ohio Naturalist and Journal of Science written by and published by . This book was released on 1912 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ohio Journal of Science by : Ohio State University
Download or read book The Ohio Journal of Science written by Ohio State University and published by . This book was released on 1953 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Ohio Journal of Science written by and published by . This book was released on 1953 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ohio Naturalist and Journal of Science by : John H. Schaffner
Download or read book The Ohio Naturalist and Journal of Science written by John H. Schaffner and published by Forgotten Books. This book was released on 2017-11-18 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Ohio Naturalist and Journal of Science: Official Organ of the Biological Club of the Ohio State University, and the Ohio Academy of Science; Volumes 13, 14, 15, 1912-1915 Agricultural Chemistry, Agronomy, American History, Anat omy and Physiology, Animal Husbandry, Archaeology, Archi tecture, Art, Astronomy, Bacteriology, Botany, Ceramic Engin eering, Chemistry, Civil Engineering, Dairying, Domestic Science, Economics and Sociology, Engineering Drawing, Electrical Engineering, English, European History, Forestry, Geology, German, Greek, History and Philosophy of Education, Horticulture, Industrial Arts, Latin, Law, Manual Training, Mathematics, Mine Engineering, Mechanical Engineering, Mechanics, Military Science and Tactics, Metallurgy and Miner siogy, Pharmacy, Philosophy, Physical Education, Physics, Political Science, Principles and Practice of Education, Psychol ogy, Romance Languages, Rural Economics, School Administra tion, Veterinary Medicine, Zoology and Entomology. 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.
Download or read book The Ohio Naturalist written by and published by . This book was released on 1912 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ohio Naturalist written by and published by . This book was released on 1913 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Ohio Journal of Science written by and published by . This book was released on 1912 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes book reviews and abstracts.
Book Synopsis The Ohio Naturalist and Journal of Science, Volumes 1-4 by : Ohio State University Biological Club
Download or read book The Ohio Naturalist and Journal of Science, Volumes 1-4 written by Ohio State University Biological Club and published by . This book was released on 2023-07-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ohio Naturalist and Journal of Science, Volumes 13-15 by : Ohio State University Biological Club
Download or read book The Ohio Naturalist and Journal of Science, Volumes 13-15 written by Ohio State University Biological Club and published by Palala Press. This book was released on 2016-05-24 with total page 50 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 The Ohio Naturalist and Journal of Science, Volumes 4-6 by : Ohio State University Biological Club
Download or read book The Ohio Naturalist and Journal of Science, Volumes 4-6 written by Ohio State University Biological Club and published by . This book was released on 2016-04-28 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ohio Naturalist and Journal of Science, Volumes 7-9 by : Ohio State University Biological Club
Download or read book The Ohio Naturalist and Journal of Science, Volumes 7-9 written by Ohio State University Biological Club and published by Palala Press. This book was released on 2016-04-28 with total page 86 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 The Ohio Naturalist and Journal of Science, Volumes 1-4 - Primary Source Edition by : Ohio State University Biological Club
Download or read book The Ohio Naturalist and Journal of Science, Volumes 1-4 - Primary Source Edition written by Ohio State University Biological Club and published by Nabu Press. This book was released on 2013-09 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis The Ohio Journal of Science, Vol. 16 by :
Download or read book The Ohio Journal of Science, Vol. 16 written by and published by Forgotten Books. This book was released on 2017-09-16 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Ohio Journal of Science, Vol. 16: Continuation of the Ohio Naturalist, Official Organ of the Ohio State University Scientific Society and of the Ohio Academy of Science, 1915-16 Some four years before the above quotations were written, the author started to work up a course in Optics which should aim, not only to give to the student a knowledge of the funda mental theory of lenses, but should also apply those principles to the methods of optical design and thus enable him to compute the curves of the component lenses of a photographic objective. This has now been fairly well worked out and is given in the Arts college under the official titles Astronomy, 107, 108, 109 and The basis of this course is A System of Applied Optics, by H. Dennis T aylor, the inventor of the Cooke lens. This splendid volume develops, from the standpoint of geometric optics, a complete discussion of the formation of an image by a combination of any number of lenses, but does not apply the methods and formulae there developed to the actual design of a photographic objective. The writer of this paper was, therefore, compelled to work out this part of the theory for himself and, as he had always felt that all mathematics should ultimately end in arithmetic and that all arithmetic should ultimately end in doing something, he resolved at the outset that the course should end in laboratory work in the actual computation, grinding and polishing of lenses. As to how well this has succeeded, I will let the illustrations which accompany this article speak for themselves. Suffice it to say that the half tone cuts were made from five by seven enlargements from negatives, one and three quarters by two and one-eighth inches, taken with a lens designed and built at this observatory and working at an aperture of F six. A peculiar feature of this lens is that it is composed of four lenses all cut from the same piece of crown glass. This lens beautifully illustrates the importance of adding to the theoretical side of the course, the practical work in the laboratory in construction and testing as this lens, though in the main satisfactory, has one serious defect and a defect which is very instructive in that it shows that at a certain point in the design, the theory was weak and needed to be extended and enlarged. It should be stated that this theoretical investigation is now completed and ready to be put to the test of practice. 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 Ohio Journal of Science, Vol. 16 by : UNKNOWN. AUTHOR
Download or read book The Ohio Journal of Science, Vol. 16 written by UNKNOWN. AUTHOR and published by Forgotten Books. This book was released on 2015-06-26 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Ohio Journal of Science, Vol. 16: Continuation of the Ohio Naturalist, Official Organ of the Ohio State University Scientific Society and of the Ohio Academy of Science, 1915-16 This Board elects annually the Editor and two Associate Editors. Editorial Board. Agricultural Chemistry, J. F. Lyman; Agricultural Engineering, F. W. Ives; Agronomy, A. G. McCall; Anatomy, F. L. Landacre; Botany, J. H. Schaffner; Ceramic Engineering, Carl B. Harrop; Chemistry, Jas. R. Withrow; Civil Engineering, F. H. Eno; Forestry, N. W. Scherer; Geology, C. S. Prosser; Horticulture, V. H. Davis; Industrial Arts, W. A. Knight; Mathematics, C. J. West; Mechanical Engineering, Horace Judd; Pathology, Jonathan Forman; Physics, F. C. Blake; Physiology (General) R. J. Seymour; Physiology (Medical), Clayton McPeek; Public Health and Sanitation, E. R. Hayhurst; Zoology and Entomology, J. S. Hine. The Ohio Journal of Science is to be considered as a continuation of The Ohio Naturalist. It is hoped that with the wider field covered, it may interest a much larger number of the scientific people of the state, and be financially supported so that it may soon develop into a journal of high standard. It is the intention of the present Editors, with the large field before them, to publish results of research as well as articles of general interest in the advancement of Science. On the natural history side the aim at present will be to pay more especial attention to the biology, geology and geography of Ohio, but articles dealing with any other region will be acceptable. The Editors for the present year are as follows: John H. Schaffner - Editor. James S. Hine - Associate Editor (Business). Frederick W. Ives- Associate Editor (Subscriptions). 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 Ohio Journal of Science, 1921-22, Vol. 22 by : Ohio Academy of Science
Download or read book The Ohio Journal of Science, 1921-22, Vol. 22 written by Ohio Academy of Science and published by Forgotten Books. This book was released on 2016-12-16 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Ohio Journal of Science, 1921-22, Vol. 22: Continuation of the Ohio Naturalist The following Auditing Committee was elected by the Academy: L. B. Walton, E. L. Fullmer. The following Nominating Committee was elected by the ballot of the Academy: F. H. Herrick, E. L. Fullmer, J. E. Carman, F. C. Waite, H. H. Young. 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.
