Excerpt from Studies on Marine Ostracods, Vol. 1: Cypridinids, Halocyprids and Polycopids The present treatise is based for the most part on studies carried out by me at the Zoological Institution of the University of Upsala on material belonging to the Swedish State Museum (Riksmuseum), Stockholm. For the purpose of carrying out verificatory investigations smaller collections have also been furnished by the Zoological Museum of the University of Upsala, the Christiania Zoological Museum, the Copenhagen Zoological Museum and by Professors G. W. Muller, Greifswald and G. S. Brady, Sheffield. In addition the Ostracod material brought home by the "Michael Sars North Atlantic Deep Sea Expedition," 1910 has been kindly entrusted to me for examination. - In order to study the oecology of the marine Ostracods and to collect material for this group of animals I have spent some summer months (assisted partly by grants from the Swedish Royal Academy of Science) at the west coast of Sweden (the Zoological Marine Station at Kristineberg) and from December 1915 till June 1916 (with a grant from the C. F. Liljewach's travelling scholarship fund) at the Labotatoire Russe de Zoologie at Villefranchesur-Mer and the Musee Oceanographique de Monaco. Among the Ostracod collections in the Swedish State Museum I found the original material of P. T. Cleve's work of 1900 (a part of which had been already published by C. W. S. Aurivillius in 1899). On re-examining this material I verified that Conchoecia bispinosa, C. horealis, C. elegans and Microconchoecia Clausii (Conchoecia curta J. Li Brock) were correctly determined. On the other hand Paraconchoecia oblonga was incorrectly determined; the specimens on which this statement was based turned out to belong to Euconchoecia Chierchiue G. W. Muller. See these species below. There was only a single specimen of Conchoecella (=Conchoecia) acuminata; this was a male which was not yet mature (presumably belonging to the oldest larval stage). The length of this specimen was 2, 1 mm.; the number of furcal claws seven. As far as could be seen the correctness of its determination was fairly certain. In the collections of this museum there is also a part of the original material of Conchoecia horealis, C. elegans and C. obtusata in P. T. Cleve's work of 1903 (=P. T. Cleve's and O. Pettersson, 1903). On re-examining this material I found that the determinations were correct. In the collections of the Zoological Museum of the University of Upsala I found the original material of Philomedes globosus and Cypridinu Reynaudii. 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."

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