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Author: Jean Louis Rodolphe Agassiz
Publisher:
ISBN:
Category : Insects
Languages : en
Pages : 36
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Book Description
Author: Jean Louis Rodolphe Agassiz
Publisher:
ISBN:
Category : Insects
Languages : en
Pages : 36
Get Book Here
Book Description
Author: Louis Agassiz
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Louis Agassiz
Publisher:
ISBN:
Category : Insects
Languages : en
Pages : 28
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Book Description
Author: Louis Agassiz
Publisher: Forgotten Books
ISBN: 9780267978434
Category : Science
Languages : en
Pages : 34
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Book Description
Excerpt from The Classification of Insects From Embryological Data, Vol. 2 The reason why Coleoptera have been so universally considered as the highest among insects, is plainly shown by the position assigned to Cicindela, which is placed at the head. That group is the most carnivorous of the order. But I do not think it right to assign to the carnivorous insects the highest rank, if there is no other reason to consider them as such than the fact, that among Mammalia the Carnivora rank higher than the herbivorous animals. 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.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Jean Louis Rodolphe Agassiz
Publisher:
ISBN:
Category : Insects
Languages : en
Pages : 28
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Book Description
Author: Louis Agassiz
Publisher: Forgotten Books
ISBN: 9781330400913
Category : Science
Languages : en
Pages : 34
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Book Description
Excerpt from The Classification of Insects From Embryological Data, Vol. 2 The various classifications of Insects which have been proposed by zoölogists rest either on considerations derived from their external characters and form, and in part from their internal structure, or on the various modes of their development from the egg. The earliest writers on classification availed themselves principally of the number and structure of their wings, to divide the numberless insects into several general divisions, and such an arrangement, as finally adopted by Linnaeus, has prevailed to a great extent, sometimes modified by the introduction of some smaller groups, which have been more generally admitted by English writers than by those of the Continent of Europe. Fabricius introduced an entirely new view of the subject, dividing the insects according to the structure of the organs by which they take their food, and the various structures and degrees of complication of the jaws became the foundation of his system, which he not only applied in a general manner, but worked out in all its details, assigning even to the smaller divisions characters derived chiefly from the peculiar form of those parts. More recently the metamorphosis of insects has been made the foundation of their classification, and they have been grouped according to the extent of the changes they undergo from the egg, and according to the condition in which the young animal remains for a time before it has arrived at its complete perfect growth. According to these views, those insects that are hatched from the egg with a form very similar to the full-grown perfect animal, and which undergo slight or only partial changes during their growth, such as the additional development of wings, or which remain active throughout their metamorphosis, have generally been considered as belonging to one and the same great division, and have been brought together as insects without metamorphosis, or with imperfect metamorphosis. 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.
Author: Louis Agassiz
Publisher:
ISBN: 9780598427373
Category :
Languages : en
Pages : 29
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Book Description
Author: Louis Agassiz
Publisher:
ISBN:
Category : Insects
Languages : en
Pages : 30
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
