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Author: Canadian Arctic Expedition
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 196
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Author: Canadian Arctic Expedition
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 196
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Book Description
Author: H J Van Cleave
Publisher: Forgotten Books
ISBN: 9780666667427
Category :
Languages : en
Pages : 20
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Book Description
Excerpt from Report of the Canadian Arctic Expedition, 1913-18, Vol. 9: Annelids, Parasitic Worms, Protozoans, Etc.; Part E: Acanthocephala; Southern Party, 1913-16 In so far as the present writer is aware there are no published records of the occurrence of Acanthocephala in the arctic fauna of North America. The collections obtained by the Canadian Arctic Expedition thus offer an opportunity of making a start toward the study of this interesting fauna] region. 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: A. R. Cooper
Publisher: Forgotten Books
ISBN: 9780666469380
Category : Science
Languages : en
Pages : 32
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Book Description
Excerpt from Report of the Canadian Arctic Expedition, 1913-18, Vol. 9: Annelids, Parasitic Worms, Protozoans, Etc., Part G-H, Trematoda and Cestoda; Southern Party, 1913-16 So far as I am aware the parasitic fauna of the Arctic coasts of Eastern Siberia, Alaska and Canada has not up to the present been investigated, but the collections made by the Canadian Arctic Expedition, in so far as they have already been reported upon, show that the region is rich in new forms and worthy of further extensive study. 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: J. H. Ashworth
Publisher: Forgotten Books
ISBN: 9780364246498
Category : Science
Languages : en
Pages : 20
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Book Description
Excerpt from Report of the Canadian Arctic Expedition 1913-18, Vol. 9: Annelids Parasitic Worms, Protozoans, Etc.; Part J: Polychaeta (Supplementary); Southern Party, 1913-16 It is interesting to note that while the Canadian specimen of A.gl11c1a_l1s approaches m the character. Of its gill the littoral variety of A. 11mr1'.11a it agrees in the annulation of the region between the second and third chaetiferous annuli with the laminarian variety of A. Marina which has pinnate gills. Examination of well preserved examples of A. Glacialis would' show how far the funnels of the excretory organs agree-with those of A. Marina, and young examples would be useful for the comparative study'of the chaetae, especially of the neuropodia. 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 : Arctic regions
Languages : en
Pages : 492
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Author: Canada. Department of the Naval Service
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 28
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Book Description
Author: Joseph A. Cushman
Publisher: Forgotten Books
ISBN: 9780265955260
Category : Science
Languages : en
Pages : 20
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Excerpt from Report of the Canadian Arctic Expedition, 1913-18, Vol. 9: Annelids, Parasitic Worms, Protozoans, Etc.; Part M: Foraminifera The whole assemblage seems to call renewed attention to the fact that many species of foraminifera are limited In their distribution to conditions of temper rature, especially certain species, such as Polystomella arctica, are limited to the circumpolar area, with certain localized extensions southward. Others, while abundant ln the Arctic, are now found in the Antarctic, and in the deep cold waters of the ocean basins between, a distribution known from other invertebrate groups as well. 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: Frank Smith
Publisher: Forgotten Books
ISBN: 9780428348939
Category : Science
Languages : en
Pages : 30
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Book Description
Excerpt from Report of the Canadian Arctic Expedition, 1913-18, Vol. 9: Annelids, Parasitic Worms, Protozoans, Etc.; Part An; Oligochaeta; Lumbriculidae; Enchytraeidae; Southern Party, 1913-16 Eight of the collections contained mature enchytraeids representing six species distributed among four genera. Immature specimens not permitting specific identification were also present. Serious difficulties encountered in connection with some of the material necessitated provisional identification of two species. These difficulties were mainly due to incomplete, original descrip tions of arctic Eurasian species made many vears ago when the Enchy traeidae were little known and before the taxonomic impo1tance of several anatomical features 11 as recognized. Since the original Eurasian specimens are not mail able, the desucriptions' and accompanying illustrations are the sole dependence, thus preventing positive identifications, at least m some cases. For this re ason. Brief anatomical descriptions of the representatives of each Species treated in this report have been included and it will be understood that they are based exclusively upon the characters of the Canadian specimens. Characteristics of immature specimens are listed only in case it is unlikely that they are juvenile individuals of a species already discussed. 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: Frank Smith
Publisher: Forgotten Books
ISBN: 9780428809195
Category : Science
Languages : en
Pages : 24
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Book Description
Excerpt from Report of the Canadian Arctic Expedition, 1913-18, Vol. 9: Annelids, Parasitic Worms, Protozoans, Etc.; Part A, Oligochaeta; Lumbriculidae, Enchytraeidae; Southern Party, 1913-16 An Opportunity to examine the collections of Oligochaeta made in the Arctic regions of North America by the Canadian Arctic Expedition has been very welcome, since it has made it possible to materially extend our knowledge of the oligochaete fauna of the Arctic zone as well as that of North America. 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: Canada. Department of the Naval Service
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 130
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Book Description
