On the Origin of Species by Means of Natural Selection or the Preservation of Favored Races in the Struggle for Life On the Origin of Species by Means of Natural Selection or the Preservation of Favored Races in the Struggle for Life

On the Origin of Species by Means of Natural Selection or the Preservation of Favored Races in the Struggle for Life (Paperback)

By Charles Darwin 
Publisher: Rarebooksclub.com
Edition: Paperback
Language: English
ISBN: 1150016701
EAN: 9781150016707
No. of Units: 1
No. of Pages: 142
Publish Date: 2012-5-17
Binding: Paperback
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Description

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. 1864 Excerpt: ...acts only by the accumulation of slight modifications of structure or instinct, each profitable to the individual under its conditions of life, it may reasonably be asked, how a long and graduated succession of modified architectural instincts, all tending towards the present perfect plan of construction, could have profited the progenitors of the hive-bee? I think the answer is not difficult: it is known that bees are often hard pressed to get sufficient nectar; and I am informed by Mr. Tegetmeier that it has been experimentally found that no less than from twelve to fifteen pounds of dry sugar are consumed by a hive of bees for the secretion of each pound of wax; so that a prodigious quantity of fluid nectar must be collected and consumed by the bees in a hive for the secretion of the wax necessary for the construction of their combs. Moreover, many bees have to remain idle for many days during the process of secretion. A large store of honey is indispensable to support a largo stock of bees during the winter; and the security of the hive is known mainly to depend on a large number of bees being supported. Hence the saving of wax by largely saving honey must be a most important element of success in any family ofbees. Of course the success of any species of bee may be dependent on the number of its parasites or other enemies, or on quite distinct causes, and so be altogether independent of the quantity of honey which the bees could collect. But let us suppose that this latter circumstance determined, as it probably often does determine, the numbers of a humble-bee which could exist in a country. But let us suppose (differently to what really is the case) that the community lived throughout the winter, and consequently required a store of honey: there can ...
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Specification

Title: On the Origin of Species by Means of Natural Selection or the Preservation of Favored Races in the Struggle for Life
Publisher: Rarebooksclub.com
Author: Charles Darwin
Edition: Paperback
Language: English
ISBN: 1150016701
EAN: 9781150016707
No. of Units: 1
No. of Pages: 142
Publish Date: 2012-5-17
Binding: Paperback

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