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  • Articles  (41,752)
  • Other Sources  (974)
  • 1955-1959
  • 1950-1954  (42,726)
  • 1951  (42,726)
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  • 1955-1959
  • 1950-1954  (42,726)
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  • 1
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    In:  Leidse Geologische Mededelingen (0075-8639) vol.16 (1951) nr.1 p.56
    Publication Date: 2014-10-27
    Description: The Dalskog Dais-Rostock area lies in the Swedish province of Dalsland, to the west of lake Vänern. It lies entirely within the Upperud sheet of both the topographic (1926) and geological map (1870) and comprises parts of the parishes Gunnarsnäs, Dalskog and Ör. As shown by the outline map (fig. 1), the investigated region is situated in an area of gneiss-granites and supracrustal formations, which lies to the west of lake Vänern as an island in the great, highly metamorphic complex of gneisses of southwestern Sweden. In the adjoining table the geological events wich left their marks in the rocks of the Dalskog Dals-Rostock area are listed in chronological order. For the sake of clearness the table has been completed with data known from the adjoining regions, but these are placed in parentheses.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 2
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    In:  Leidse Geologische Mededelingen (0075-8639) vol.16 (1951) nr.1 p.197
    Publication Date: 2014-10-27
    Description: The description of the Foraminifera of the type-locality of the Maestrichtian and its stratigraphical value is the object of this thesis. This type-locality is found in the Southern part of the Dutch province of Limburg.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 3
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    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.107 (1951) nr.1 p.1
    Publication Date: 2015-05-08
    Description: In deze publicatie is een deel der Amerikaanse Podostemaceae van de onderfamilie Podostemoideae opgenomen nl. de nauw verwante geslachten Apinagia, Marathrum, Rhyncholacis, Wettsteiniola, Lophogyne, Monostylis, Jenmaniella en het nieuwe geslacht Macarenia. Nagegaan wordt waarom deze geslachten verwant zijn. Uit het onderzoek is gebleken dat de geslachten Apinagia en Oenone, zoals die beschreven werden door Tulasne in 1852, niet als twee afzonderlijke geslachten gehandhaafd kunnen blijven. De indeling van de onderfamilie Podostemoideae, zoals Engler die in 1930 gaf, is gewijzigd in die zin dat de subtribus Mourerinae tot tribus is verheven en de subtribus Apinagiinae en Marathrinae met de tribus Eupodostemeae tot één tribus Eupodostemeae verenigd zijn. In het beschrijvende deel zijn de beschrijvingen van de soorten opgenomen met gegevens over type, verspreiding en vindplaatsen. Tabellen ter determinatie van de soorten zijn opgenomen. 1 Nieuw geslacht, 30 nieuwe soorten, 8 variëteiten en 2 vormen zijn beschreven. Aan deze beschrijvingen zijn de Latijnse beschrijvingen toegevoegd terwijl 16 pagina’s afbeeldingen van de nieuwe soorten en van enige oudere soorten geven. Een literatuurlijst welke alleen de Amerikaanse en de algemene literatuur omvat maken een nadere studie van deze familie mogelijk op die gebieden die in deze publicatie niet behandeld zijn.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 4
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    In:  Flora Malesiana Bulletin (0071-5778) vol.8 (1951) nr.1 p.271
    Publication Date: 2015-06-05
    Description: Alphen de Veer, E.J. & F.A. Verduyn Lunel: Kweekproeven met Intsia palembanica Miq. en Intsia bijuga O.K. (Tec-Tona 40, 1950, 336-345, 5 fig.). Data on germination and seedlings.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 5
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    In:  Flora Malesiana Bulletin (0071-5778) vol.8 (1951) nr.1 p.262
    Publication Date: 2015-04-20
    Description: A short account of the establishment of the Herbarium of the Department of Forests, Papua and New Guinea appeared on p. 61, no 3, volume I of Flora Malesiana Bulletin. This Herbarium has now been firmly established and is constantly receiving collections of plants from various parts of Papua and New Guinea. As a routine measure these are being distributed to the following herbaria: The Queensland State Herbarium at Brisbane, Queensland; The Herbarium of the Division of Plant Industry, Commonwealth Scientific and Industrial Research Organisation, Canberra; The Arnold Arboretum, America; The Herbarium at Kew, England; The Herbarium at Leiden, Holland; The Herbarium at Bogor, Indonesia; The Herbarium at Singapore, Malay States; The Herbarium of the Imperial Forestry Institute, Oxford, England. Duplicates of Coniferae are also sent to M.Y. Orr at Edinburgh, Scotland and to E. Stirling Booth at Adelaide, South Australia.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 6
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    In:  Beaufortia (0067-4745) vol.1 (1951) nr.1 p.1
    Publication Date: 2014-10-27
    Description: Compared with their New World relatives of the subfamily Cyprinodontinae, the Old World Cyprinodonts are but little known. However, some interesting accounts on Turkish species, discovered by Kosswig, Sözer and Aksiray, have recently been published. Besides the species known, several new forms and species are described. While compiling an account on these fishes suitable for the home aquarium (Hoedeman & Bronner, 1950—1951), we felt some characters need reexamination, not only of Aphanius, but also of the North African genus Tellia which is said to differ from Aphanius only in the absence of ventral fins.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 7
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    In:  Beaufortia (0067-4745) vol.1 (1951) nr.2 p.1
    Publication Date: 2014-10-27
    Description: Voorjaar 1949 ontving ik een kleine collectie levende vissen uit Suriname (Nederlands Guiana), door een zeeman verzameld in een poel nabij Paramaribo. Helaas is de juiste vindplaats niet nader aangegeven, dan enige kilometers ten zuiden van de hoofdstad. Onmiddellijk na ontvangst werden de vissen, die hier het onderwerp van bespreking zijn, in een groot gezelschapsaquarium (150 X 60 X 50 cm. hoog) ondergebracht, dat reeds werd bevolkt door verscheidene Nannostomini, Hasemania marginata, Rivulus cylindraceus, Acanthophthalmus kuhli, Dermogenus pusillus en Nannacara anomala en N. taenia.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 8
    Publication Date: 2014-10-27
    Description: Le processus préoral est court. L’œil migrateur dépasse le bord antérieur de l’œil fixe de plus de la moitié de son propre diamètre. La narine exhalante zénithale est présente. La lèvre mandibulare zénithale est hypertrophiée en un petit nombre de larges processus nullement ciliés. Koμψòs, élégant; μεwiaμa, sourire.
    Repository Name: National Museum of Natural History, Netherlands
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  • 9
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    In:  Flora Malesiana Bulletin (0071-5778) vol.8 (1951) nr.1 p.257
    Publication Date: 2015-06-05
    Description: March 1951 Dr J.C. Koningsberger, Director of the Botanic Gardens, Bogor, 1910 – 1918, died at The Hague, aged 84. Dr J. Mattfeld, well-known to Malaysian botanists by his excellent work on Papuan Compositae, commissioned Director of the Botanic Gardens and Herbarium at Berlin-Dahlem died Jan. 19, 1951, aged 57.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 10
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    In:  Flora Malesiana Bulletin (0071-5778) vol.8 (1951) nr.1 p.264
    Publication Date: 2015-04-20
    Description: Scope, organization, and purpose of Series III, Flora Malesiana (Musci and Hepaticae) are explained. Collaboration is asked on the following points: (a) To collect Mosses and Hepaticae in Malaysia and to add extensive and detailed data to the specimens (directions available on application to the Editor). (b) To send on loan or donate existing collections. (c) To forward data concerning collectors, travels, and collections made. (d) To name (if necessary provisionnally) all unnamed specimens. (e) To collect data from literature (and to forward reprints). (f) To join the team of bryologists revising groups of Malaysian Bryophyta and to write the Editor about planned research.
    Repository Name: National Museum of Natural History, Netherlands
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