Reports of Observations and Experiments in the Practical Work of the Division, Made Under the Direction of the Entomologist (Classic Reprint) PDF Download
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Author: Charles Valentine Riley
Publisher: Forgotten Books
ISBN: 9780265828090
Category : Science
Languages : en
Pages : 70
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Book Description
Excerpt from Reports of Observations and Experiments in the Practical Work of the Division, Made Under the Direction of the Entomologist The description of the principles and mechanism of the Serrell auto matic silk-reel has been prepared by Mr. Philip Walker, assistant in charge of the reeling experiments and machinery at the Department. It will be found useful in explaining the advantages which that deli cate and remarkable invention has over the ordinary reel as a labor saver, though no amount of description will impress the fact on the mind so forcibly as a few moments' observation of the reel at work. 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: Charles Valentine Riley
Publisher: Forgotten Books
ISBN: 9780265828090
Category : Science
Languages : en
Pages : 70
Get Book Here
Book Description
Excerpt from Reports of Observations and Experiments in the Practical Work of the Division, Made Under the Direction of the Entomologist The description of the principles and mechanism of the Serrell auto matic silk-reel has been prepared by Mr. Philip Walker, assistant in charge of the reeling experiments and machinery at the Department. It will be found useful in explaining the advantages which that deli cate and remarkable invention has over the ordinary reel as a labor saver, though no amount of description will impress the fact on the mind so forcibly as a few moments' observation of the reel at work. 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: Charles Valentine Riley
Publisher: Forgotten Books
ISBN: 9781528219556
Category : Science
Languages : en
Pages : 68
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Book Description
Excerpt from Reports of Experiments and Observations in the Practical Work of the Division: Made Under the Direction of the Entomologist Mr. Bruner has reported in the main on the observations made upon injurious locusts, and judging from these observations there is no reason to fear serious injury during the year 1894. The occurrence in special abundance of several injurious insects, including the army worm and the wheat-head army worm is reported, and a number of new insect injuries are mentioned. 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: United States Division of Entomology
Publisher: Wentworth Press
ISBN: 9781372238895
Category : History
Languages : en
Pages : 780
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Book Description
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.
Author: United States Bureau Of Entomology
Publisher: Forgotten Books
ISBN: 9780265508688
Category : Science
Languages : en
Pages : 726
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Book Description
Excerpt from Reports of Experiments, Chiefly With Kerosene, Upon the Insects Injuriously Affecting the Orange Tree and the Cotton Plant: Made Under the Direction of the Entomologist The further experience in this Bulletin, so far as it goes, bears out that above stated, and we shall continue experiments with the sole view of establishing the facts in relation to an insecticide which we have thus far, good reason to believe is the most valuable for scale-insects. 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: L. O. Howard
Publisher: Forgotten Books
ISBN: 9781396067419
Category : Science
Languages : en
Pages : 104
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Book Description
Excerpt from Some Miscellaneous Results of the Work of the Division of Entomology Up to the present year the twig-borer of stone fruits and the crown miner of the strawberry have been treated as the same insect, as indicated in the appended bibliography and as will be fully explained later. Prior to the observations made by Mr. E. M. Ehrhorn, as published by Mr. Alex. Craw, the knowledge of the twig-borer was confined to the fact of its injury to peach twigs, either in terminals before the trees leaved out in the Spring, as described by Glover; or in the young shoots and later in the ripening fruit, as described by Professor Com stock and others. What was supposed to be the same insect had also been observed to affect the crown of the strawberry, as reported by Mr. William Saunders and later by other writers, one brood wintering in the half-grown larval stage in the crowns and a second brood work ing durin g early summer in the young shoots and runners. 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: Charles Valentine Riley
Publisher: Forgotten Books
ISBN: 9780265809495
Category :
Languages : en
Pages : 50
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Book Description
Excerpt from Miscellaneous Notes on the Work of the Division of Entomology for the Season of 1885 The great Merced Irrigating Canal passes through the middle of the Buhach plantation, and the latter is supplied with water from it by a system of irrigating ditches which, if extended in any one direction, would reach to a distance of about thirty miles. 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: L. O. Howard
Publisher: Forgotten Books
ISBN: 9781334726866
Category : Science
Languages : en
Pages : 110
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Book Description
Excerpt from Some Miscellaneous Results of the Work of the Division of Entomology, Vol. 3 Under this enactment it would appear that all American unpeeled sun-dried or evaporated fruits are denied entrance to Switzerland. This practically shuts out all American sun-dried or evaporated plums, prunes, apricots, nectarines, cherries. 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: James William Tutt
Publisher: Forgotten Books
ISBN: 9780656404209
Category : Science
Languages : en
Pages : 360
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Book Description
Excerpt from The Entomologist's Record and Journal of Variation, 1919, Vol. 6 The number of preparations I made was not quite so great as did Dr. Reverdin, but my technique must be rather better, as very few of them failed to be perfect, if not artistically, at least for all practical purposes of detailed examination. 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: S. N. A. Jacobs
Publisher: Forgotten Books
ISBN: 9780267808663
Category : Science
Languages : en
Pages : 712
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Book Description
Excerpt from The Entomologist's Record and Journal of Variation It must be borne in mind that these inconclusive experiments were neither expected, nor intended' to produce a final conclusion; all that was contemplated was by elementary experiment to find the Optimum conditions for breeding variations. SO far, apart from examples with a certain amount Of bleaching or a deficiency Of scaling or a colour change probably due to a chemical condition in the environment, the chances of Obtaining extreme variations by temperature variations seem almost as remote as the chance one might expect from a batch Of wild larvae bred under normal conditions unless one is fortunate enough to collect a brood in which a mutant gene is already functioning. 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: Malcolm Burr
Publisher: Forgotten Books
ISBN: 9780265798164
Category :
Languages : en
Pages : 192
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Book Description
Excerpt from The Entomologist's Record and Journal of Variation, 1950, Vol. 62 Tutt gives a table of the different colour forms which were known to him 162 There are, however, two objections to this nice looking scheme. The first is that the 6' type was not correctly fixed. 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.
