The British Noctuæ and Their Varieties, Vol. 2 (Classic Reprint) - Softcover
Excerpt from The British Noctuæ and Their Varieties, Vol. 2
That the apparent result will not always be the same in different species, and that sometimes this incomplete development of pigment may tend to produce a duller (darker and sometimes a paler imago, is readily seen; but, it is clear, that in all cases, an obsolescence or tendency to obsolescence of positive markings must ensue. For example, the pig ment may be produced in scales having a base or framework of white or black (or, in fact, any other colour). In other words, the colour of the scale is independent of the colour of the base. Now, if we dissolve all the pigment from the yellow portion of the wing of Calms edasa, the resultant wing is white, whereas, if we dissolve the pigment of Vanessa t'o, the resultant colour is black. Hence, a retrogression of, or failure to develop pigment in the former, must, I think, tend to produce dull, whitish specimens the retrogression in the latter to produce black specimens with a more or less diaphanous tendency. The normal colour of the basement structure of the wing must, there fore, have a considerable influence on the net result.
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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.
That the apparent result will not always be the same in different species, and that sometimes this incomplete development of pigment may tend to produce a duller (darker and sometimes a paler imago, is readily seen; but, it is clear, that in all cases, an obsolescence or tendency to obsolescence of positive markings must ensue. For example, the pig ment may be produced in scales having a base or framework of white or black (or, in fact, any other colour). In other words, the colour of the scale is independent of the colour of the base. Now, if we dissolve all the pigment from the yellow portion of the wing of Calms edasa, the resultant wing is white, whereas, if we dissolve the pigment of Vanessa t'o, the resultant colour is black. Hence, a retrogression of, or failure to develop pigment in the former, must, I think, tend to produce dull, whitish specimens the retrogression in the latter to produce black specimens with a more or less diaphanous tendency. The normal colour of the basement structure of the wing must, there fore, have a considerable influence on the net result.
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.
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- PublisherForgotten Books
- Publication date2020
- ISBN 10 1331514762
- ISBN 13 9781331514763
- BindingPaperback
- Number of pages207
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The British Noctuæ and Their Varieties, Vol. 2 (Classic Reprint)
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Forgotten Books
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ISBN 10: 1331514762
ISBN 13: 9781331514763
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Book Description Paperback. Condition: New. Print on Demand. Excerpt from The British Noctuæ and Their Varieties. About the Publisher, Forgotten Books publishes hundreds of thousands of rare and classic books. 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. This text has been digitally restored from a historical edition. Some errors may persist, however we consider it worth publishing due to the work's historical value. The digital edition of all books may be viewed on our website before purchase. print-on-demand item. Seller Inventory # 9781331514763_0
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