Revista de Biología Tropical. Vol. 2. Fasc. 1, Etc. Jul. 1954, Etc PDF Download

Author: Universidad de Costa Rica (SAN JOSE, Costa Rica)
Publisher:
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Category :
Languages : en
Pages :

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Author:
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ISBN:
Category : Best books
Languages : en
Pages : 488

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Author: British Museum. Department of Printed Books
Publisher:
ISBN:
Category : Subject catalogs
Languages : en
Pages : 488

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Author: British Museum. Department of Printed Books
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ISBN:
Category : Best books
Languages : en
Pages : 496

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Author: National Library of Medicine (U.S.)
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Category : Medicine
Languages : en
Pages : 1242

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First multi-year cumulation covers six years: 1965-70.

Author: British Library
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ISBN:
Category : Best books
Languages : en
Pages : 624

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Author: author 1
Publisher:
ISBN: 9781776707232
Category :
Languages : en
Pages : 231

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"Abstract: In more than 150 years of research in the waters surrounding the Azores, several publications on the fauna of echinoderms of the archipelago have been produced, in the form of papers, notes, reports, reviews, and monographs. This work attempts to summarize the present knowledge on this marine group in the Azorean exclusive economic zone (i.e., waters within 200 nautical miles of the archipelago's shores). A short review of the history of the species' taxonomy is given, with key references, geographical distribution, ecology, additional notes and, when possible, figures. We herein report 172 species of echinoderms (6 crinoids, 55 ophiuroids, 45 asteroids, 36 holothurians, and 30 echinoids) from the Azores Archipelago, most of them inhabiting deep waters (>200 m). Only 29 shallow-water species were recorded locally (≤50 m depth). In general, the echinoderm species present in the Azores are characterized by a wide geographical distribution in the Atlantic Ocean. Only nine taxa (all deep-water species, >840 m) appear to be restricted to the Azorean waters. Overall, the knowledge of the echinoderm fauna of the Azores is out-dated, with many species last collected in the archipelago over 100 years ago. A recent interest in the Azorean Mid-Atlantic waters has brought oceanographic cruises back to the archipelago, thus providing new opportunities for the renewal of 150 years of echinoderm studies in the area. Keywords: Echinodermata"--Page 3.

Author: Hermann Burmeister
Publisher:
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Category : Entomology
Languages : en
Pages : 758

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Author: Menno Reemer
Publisher: PenSoft Publishers LTD
ISBN: 9546426806
Category : Science
Languages : en
Pages : 220

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Hoverflies of the subfamily Microdontinae have a reputation for causing confusion. The adult flies differ so much from other hoverflies that according to some they should be placed in a family of their own. Their diversity in shape and size is astonishing: from large, furry-haired species and convincing wasp-mimics to tiny, unsightly creatures, easily mistaken for something uninteresting. This paper introduces a new generic classification of the Microdontinae. A key to all 43 genera, 7 subgenera and some species groups is presented. All 552 available species names are classified into (sub)genera and species groups. The resulting classification comprises 454 valid species and 98 synonyms, of which 17 valid names and three synonyms are left unplaced. A total number of 26 new species are described, 267 new combinations of species and genera are proposed. The paper concludes with a discussion on diagnostic characters of Microdontinae.

Author: University of California (System). Institute of Library Research
Publisher:
ISBN:
Category : Library catalogs
Languages : en
Pages : 876

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