Bryn Mawr College Monographs. Reprint Series Volume 5-6 downloadPDF, EPUB, MOBI
Bryn Mawr College Monographs. Reprint Series Volume 5-6 downloadPDF, EPUB, MOBI
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Author: Bryn Mawr College
Page Count: 182 pages
Published Date: 01 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
Type: eBook
ISBN: 9781130195224
File size: 14 Mb
Download Link: Bryn Mawr College Monographs. Reprint Series Volume 5-6
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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. 1905 Excerpt: ...make a new surface there) at the time when the oral end had just made a polyp. The long piece was then also cut in two in the middle. It was hoped in this way to find out if preliminary changes, leading toward the development of an aboral polyp, which had been going on at the aboral end, would lead to the aboral polyp developing first. It was found that usually the oral polyp developed first, indicating that little if any change had taken place at the aboral end in the direction of polyp formation. From this result it is not improbable that the slight breaking down of the ridges at this end may not be connected with polyp formation there, but possibly only with the closure of that end. Occasionally, however, the aboral end has changed so that it produces its polyp first--a result that never occurs in this species when long pieces of the normal stem are cut off. The result of experiments with stolons is in some respects more difficult to explain, but may still be brought into line with the remaining results. When the stolon is cut off" it generally produces a hydranth on that end that was nearest to the original polyp. In other words, it behaves like a piece of the stem. In quite a large number of cases, however, the hydranth appears at the apical end. This is not in harmony with my view, unless we assume that the differences in the two ends of the stolon, especially of a very new one, are such that local conditions (the action of water on the new end) may be stronger at times than the differences in the two ends. Moreover, it is not to be forgotten that a stolon, not in contact with a surface, tends to produce a hydranth on its closed end; especially if the oral hydranth is suppressed or the oral end of the stem closed. The newness of the growing tip m...
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Download book Said the Shotgun to the Head
The Wellesley Alumnae Quarterly, Volume 5 download PDF, EPUB, Kindle
Bryn Mawr College Monographs. Reprint Series Volume 5-6. Bryn Mawr College
Author: Bryn Mawr College
Page Count: 182 pages
Published Date: 01 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
Type: eBook
ISBN: 9781130195224
File size: 14 Mb
Download Link: Bryn Mawr College Monographs. Reprint Series Volume 5-6
---------------------------------------------------------------
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. 1905 Excerpt: ...make a new surface there) at the time when the oral end had just made a polyp. The long piece was then also cut in two in the middle. It was hoped in this way to find out if preliminary changes, leading toward the development of an aboral polyp, which had been going on at the aboral end, would lead to the aboral polyp developing first. It was found that usually the oral polyp developed first, indicating that little if any change had taken place at the aboral end in the direction of polyp formation. From this result it is not improbable that the slight breaking down of the ridges at this end may not be connected with polyp formation there, but possibly only with the closure of that end. Occasionally, however, the aboral end has changed so that it produces its polyp first--a result that never occurs in this species when long pieces of the normal stem are cut off. The result of experiments with stolons is in some respects more difficult to explain, but may still be brought into line with the remaining results. When the stolon is cut off" it generally produces a hydranth on that end that was nearest to the original polyp. In other words, it behaves like a piece of the stem. In quite a large number of cases, however, the hydranth appears at the apical end. This is not in harmony with my view, unless we assume that the differences in the two ends of the stolon, especially of a very new one, are such that local conditions (the action of water on the new end) may be stronger at times than the differences in the two ends. Moreover, it is not to be forgotten that a stolon, not in contact with a surface, tends to produce a hydranth on its closed end; especially if the oral hydranth is suppressed or the oral end of the stem closed. The newness of the growing tip m...
Read online Bryn Mawr College Monographs. Reprint Series Volume 5-6 Buy Bryn Mawr College Monographs. Reprint Series Volume 5-6 Download and read Bryn Mawr College Monographs. Reprint Series Volume 5-6 ebook, pdf, djvu, epub, mobi, fb2, zip, rar, torrent Download to iPad/iPhone/iOS, B&N nook Bryn Mawr College Monographs. Reprint Series Volume 5-6 ebook, pdf, djvu, epub, mobi, fb2, zip, rar, torrent
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