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University of Iowa Studies in Natural History, Vol. 9 (Classic Reprint)

University of Iowa Studies in Natural History, Vol. 9 (Classic Reprint)
Author: University of Iowa
Publisher:
Total Pages: 478
Release: 2015-06-30
Genre: Science
ISBN: 9781330514900

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Excerpt from University of Iowa Studies in Natural History, Vol. 9 Lake Okoboji lies in Dickinson county close to the northern boundary of Iowa; it is situated in T. 99 N; R. 36 and 37 W. Its approximate position is lat. 43.35 N; long. 95.13 W. The region adjacent to the lake is thickly studded with other lakes and lakelets. Two lakes of considerable size - East Okoboji and Spirit lakes - are connected with it. Besides these there are ten or more bodies of water, which are large enough to bear names, and smaller ponds and pondlets by the score. None of these bodies of water, except Okoboji lake, has any considerable depth. East Okoboji lake reaches a maximum depth of about 8 m. (26 ft.), but most of its area is less than 3 m. (10 ft.) deep. Spirit lake has a maximum depth of 7.6 m. (25 ft.), but much of the area is between 6 m. and 7.5 m (20 ft., 25 ft.) deep. Okoboji lake has a maximum depth of more than 40 m. (132 ft.) and therefore differs widely from its two neighbors both in physical and biological characters. The following paper records the results of a limnological reconnaissance of the lake, July 28-August 2, 1919. The reconnaissance was made as part of the cooperative work done by the United States Bureau of Fisheries in connection with the Wisconsin Geological and Natural History Survey. The present report is issued with the permission of the Bureau. The study was carried on at the Iowa Lakeside Laboratory, to which the authors are indebted for much help and many courtesies. 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."


University of Iowa Studies in Natural History

University of Iowa Studies in Natural History
Author: Chancey Juday
Publisher: Wentworth Press
Total Pages: 472
Release: 2019-03-16
Genre: History
ISBN: 9781010361121

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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.


University of Iowa Studies in Natural History

University of Iowa Studies in Natural History
Author: University of Iowa
Publisher: Forgotten Books
Total Pages: 815
Release: 2015-06-26
Genre: Science
ISBN: 9781330402771

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Excerpt from University of Iowa Studies in Natural History, Vol. 10 The material which serves as the basis for the present paper was secured mainly by the writer and Mrs. Stoner who were members of the scientific party from the University of Iowa which visited some of the West India Islands, Barbados and Antigua, in particular, during the spring and summer of 1918. Collecting was done on Barbados at irregular intervals and as time afforded from other duties between May 16 and June 11, and at Antigua between June 19 and July 19. To the best of the writer's knowledge no systematic collecting of this group of insects has heretofore been indulged in on either Barbados or Antigua, although extensive general collecting has been undertaken on these as well as on certain other islands of the West Indies, namely Trinidad, Jamaica, St. Vincent and Grenada. Indeed, considerable intensive collecting has been done in some of these places. Of course various species have been reported from time to time on different islands of the group and on some islands certain species are of considerable economic importance. At Barbados, only members of the family Pentatomidæ were secured, but, without doubt, representatives of the families Cydnidæ and Scutelleridæ also occur on the islands. Fortunately we were able to take two species of Scutelleridae at Antigua, but representatives of the Cydnidæ were not discovered. Most of the pentatomids here discussed have been hitherto recorded from the "West Indies" and some more specifically from Grenada and St. Vincent, but few from either Barbados or Antigua. Several of the present records are, therefore, new 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.