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Author: Danish Ingolf-Expedition
Publisher: Forgotten Books
ISBN: 9780656528318
Category : Science
Languages : en
Pages : 408
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Book Description
Excerpt from The Danish Ingolf-Expedition, Vol. 5 Colour: salmon-red, with tentacles a little paler, or white. Reproductive organs white or sal mon-red. Dimensions: Length of the column to about cm. Breadth of the oral disc to about cm. Diameter of the pedal disc to about 1 cm. 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: Danish Ingolf-Expedition
Publisher: Forgotten Books
ISBN: 9780656528318
Category : Science
Languages : en
Pages : 408
Get Book Here
Book Description
Excerpt from The Danish Ingolf-Expedition, Vol. 5 Colour: salmon-red, with tentacles a little paler, or white. Reproductive organs white or sal mon-red. Dimensions: Length of the column to about cm. Breadth of the oral disc to about cm. Diameter of the pedal disc to about 1 cm. 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: Hjalmar Broch
Publisher: Forgotten Books
ISBN: 9780656036554
Category : Science
Languages : en
Pages : 216
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Book Description
Excerpt from The Danish Ingolf-Expedition, Vol. 5: Hydroida (Part II) These features have been the subject of general attention in systematic respects; less considera tion, on the other hand, has been devoted to the different structural conditions in the polyps them selves, as arising from varying conditions in the endoderm. 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: Oskar Carlgren
Publisher: Forgotten Books
ISBN: 9780656102082
Category : Science
Languages : en
Pages : 284
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Book Description
Excerpt from The Danish Ingolf-Expedition, Vol. 5: 12, Actiniaria, Part II I have written this paper according to nearly same plan I have indicated in 1921 in the first report. Of the Actiniaria of the Ingolf expedition. 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: Th. Mortensen
Publisher: Forgotten Books
ISBN: 9781334679056
Category : Science
Languages : en
Pages : 148
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Book Description
Excerpt from The Danish Ingolf-Expedition, Vol. 5: Ctenophora On my asking Sir John Murray, whether it might be possible to get some specimens of these Planarians for examination, he kindly applied to the British Museum about the matter, and I had the pleasure to receive some specimens found among Crustaceans from that station. The examination of these specimens certainly left no doubt that they were really Planarians. The matter is, however, not definitely settled thereby. The specimens examined had no tentacles or processes, so that they could not have been described as having digitiform processes or a superior penis. It seems then not un reasonable to suppose that there have really been some Coeloplmza among the Planarians, which have, however, become 'lost on account of the difficulty of preservation. 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: P. L. KRAMP
Publisher: Forgotten Books
ISBN: 9781333690946
Category :
Languages : en
Pages : 424
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Book Description
Excerpt from The Danish Ingolf-Expedition, Vol. 5: 8. Medus ; Part I. Leptomedus I have made use of that material to such an extent as I found suitable. The ingolf-expedition. V. 8. 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: 9780656387588
Category : Science
Languages : en
Pages : 576
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Book Description
Author: Danish Ingolf-Expedition
Publisher: Forgotten Books
ISBN: 9780656525973
Category : Science
Languages : en
Pages : 108
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Book Description
Excerpt from The Danish Ingolf-Expedition, Vol. 5: Zoantharia The paper is divided into three parts 1. Literature and summary of the northern and arctic Zoantharia. 2. Contribution to the systematic {classification of Zoantharia (zoanthidae). 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: Danish Ingolf-Expedition
Publisher:
ISBN: 9781331942467
Category : Science
Languages : en
Pages : 376
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Book Description
Excerpt from The Danish Ingolf-Expedition, Vol. 1 According to the Financial Law of 1894 - 95, a sum of 30,000 Kroner was voted on the budget of the Ministry of Public Instruction for preliminary arrangements for a Danish scientific deep-sea expedition by the cruiser Ingolf for exploration of the Arctic seas around Iceland and Greenland, zoological collections being the principal object of the expedition. The expedition was to be made in two voyages of 4 months each, respectively in 1895 and 1896. On the 12th of April 1894, I received a communication from the Ministry of Public Instruction to undertake the necessary arrangements for the expedition together with professor Lutken, and on the 16th of the same month, I received another communication from the Ministry of Naval Affairs to inform me that I was appointed captain of the cruiser Ingolf and Leader of the expedition. The Ministry of Naval Affairs placed the cruiser Ingolf at disposal with officers and crew for the above purpose. Further on negotiations were entered into with the Naval Dockyard, and from these resulted that the principal alterations and fittings that had to be performed were as follows: Building of a deck-house aft with 3 cabins, a large one for the zoologists of the expedition, and two smaller ones, one of which for the physicist and the other for the botanist; fitting of a steam-winch with appertaining reel for the steel-wirerope; a reel for the thermometer-line; a trawl-boom with appurtenances, trawl and dredges as well as weights for soundings. The Ministry of Naval Affairs was not in favour of any alterations being made in the accommodation and fittings below deck, nor were any alterations in this respect necessary. 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: Hjalmar Broch
Publisher: Forgotten Books
ISBN: 9781333725020
Category : Science
Languages : en
Pages : 84
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Book Description
Excerpt from The Danish Ingolf-Expedition, Vol. 5: 6. Hydroida (Part I) The investigation of the large Danish collections of hydroids from the Faroe Islands, Iceland and Greenland, and the researches into the interesting material brought home from the Ingolf Expedition, have realised great results. In fact, several points of dispute as to the classification of northern species have been settled. In the first place, the Danish collections contain original specimens of some species which have been described as new several times after being originally recorded. In other cases, the large number of specimens tend to bridge the division between species which have hitherto been looked upon as good ones. It is, indeed, a matter of regret that deficiencies of diagnosis and inaccuracy of design have frequently put obstacles to the recognition of species previously recorded, and that the literature has, consequently, been encumbered with synonyms which we should rather have done without. This inconvenience, in fact, enforces the necessity of giving full and exhaustive accounts of every single species. The American investigators, indeed, on the pattern of Nutting have long tried to give brief diagnoses and drawings of all American species. But it must be observed that, because of the impressionist way of drawing, the illustrations are, as a general rule, somewhat wanting in accuracy, and to the brief diagnoses there is the objection that they are often too summary to give exhaustive account of the distinguishing features. On the whole such weak points as appear in the last works of Allman, have gone down to his epigones. Great difficulties, indeed, are in this way given to students of the geographical distribution of the hydroids. No doubt, more species than those which are at present pointed out by literature, are common to the European and the American seas. But in general it proves impossible to form, on the ground of the brief diagnoses, a well-founded opinion as to the virtual qualities of many species. As far as the European species are concerned, we are fortunate in possessing the classic work of Hin ck s, A History of the British Zoophytes. However, since the appearance of that work, plenty of fresh subjects have been added by descriptions of several species and genera which can hardly all be maintained, and publications have of late appeared in such abundance that. It proves difficult to students of this group of animals to find their way through the crowded matter. 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: Ad S. Jensen
Publisher: Forgotten Books
ISBN: 9780365895596
Category : Science
Languages : en
Pages : 150
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Book Description
Excerpt from The Danish Ingolf-Expedition, Vol. 2: 5. Lamellibranchiata (Part I) The Danish Ingolf - Expedition of 1895 - 96 brought home a very considerable material of Mollusca from the waters round the Faeroes, Iceland and South Greenland. The Expedition was planned on the lines of a deep-sea investigation and the greater part of the material collected comes therefore from great depths; of the 144 stations investigated no less than 125 have depths of over 100 fathoms. This material is naturally of great interest; the area investigated was but little known before and an extension of our knowledge of the deep-sea fauna must be classed among the relatively rare occurrences. Whilst working up this material I felt appreciably the lack of information regarding the distribution of the Mollusca in the coastal regions round a great part of the area. This does not apply however to Greenland; on the west coast of that country collections have been made for many years and the material has been worked up by H. J. Posselt, and from the east coast the gatherings of the expeditions of recent years have been worked up by Posselt, R. Héigg, Ad. S. Jensen and J. Grieg. From Iceland and the Faeroes, on the other hand, we had, just as previously for Greenland, but incomplete and short lists of the species and, as these, mainly drawn up by O. A. L. Morch. 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.
