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  • 1990-1994  (18)
  • 1955-1959  (123,545)
  • 1958  (64,119)
  • 1957  (59,493)
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Year
  • 1
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: SCRIPPS Institution of Oceanography (1957): MUKLUK Expedition, July-August, 1957: Cores and Dredge Samples. SIO Reference Series, 57-53, 6 pp
    Publication Date: 2024-06-26
    Description: The cores and dredges described are taken during the MUKLUK expedition of the R/V Spencer Baird in July-August 1957 by the Scripps Institute of Oceanography. A total of 31 cores and dredges were recovered and are available at Scripps Institute of Oceanography for sampling and study.
    Keywords: Date/Time of event; Deposit type; DEPTH, sediment/rock; Description; Dredge, rock; DRG_R; Elevation of event; Event label; Latitude of event; Longitude of event; MKLK02BD; MKLK03BD-029D; MKLK03BD-030D; MUKLUK-B; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Pacific Ocean; Position; Quantity of deposit; Sample ID; Spencer F. Baird; Substrate type; Uniform resource locator/link to image
    Type: Dataset
    Format: text/tab-separated-values, 21 data points
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  • 2
    Publication Date: 2024-06-25
    Description: The cores described in this report were taken on the DOWNWIND Expedition in October 1957 to February 1958 by the Scripps Institution of Oceanography from the R/V Spencer F. Baird and the R/V Horizon. A total of 201 cores and dredges were recovered and are available at Scripps for sampling and study.
    Keywords: Comment; Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; DNWB0ABD; DNWB0ABD-002G; DNWB0ABD-003G; DNWB0ABD-007G; DNWB0ABD-015G; DNWB0ABD-016G; DNWB0ABD-017G; DNWB0ABD-018G; DNWB0ABD-019G; DNWB0BBD; DNWB0BBD-030GA; DNWB0BBD-030GB; DNWB0BBD-031G; DNWB0BBD-037G; DNWB0BBD-040G; DNWB0BBD-043G; DNWB0BBD-044G; DNWB0BBD-045G; DNWB0BBD-046G; DNWB0BBD-047G; DNWB0BBD-048G; DNWB0BBD-052G; DNWB0BBD-054G; DNWB0BBD-055G; DNWB0BBD-056G; DNWB0BBD-057GA; DNWB0BBD-057GB; DNWB0CBD; DNWB0DBD; DNWB0DBD-147GB; DNWH0AHO-0014H; DNWH0AHO-004H; DNWH0AHO-007H; DNWH0AHO-008TB; DNWH0BHO-031G; DNWH0BHO-034G; DNWH0DHO-092H; DOWNWIND-B1; DOWNWIND-B2; DOWNWIND-B3; DOWNWIND-B4; DOWNWIND-H; Dredge; DRG; DWBD1; DWBD2; DWBD4; DWBD5; DWBD7; DWBD8; DWBG122A-C; DWBG147B; DWBG15; DWBG16; DWBG17; DWBG18; DWBG19; DWBG2; DWBG3; DWBG30A; DWBG30B; DWBG31; DWBG37; DWBG40; DWBG43; DWBG44; DWBG45; DWBG46; DWBG47; DWBG48; DWBG52; DWBG54; DWBG55; DWBG56; DWBG57A; DWBG57B; DWBG-58; DWBG-59; DWBG7; DWH48; DWHD15; DWHD16; DWHD25; DWHD42; DWHD47; DWHD55; DWHD72; DWHG31; DWHG34; DWHH14; DWHH27; DWHH32; DWHH4; DWHH7; DWHH92; DWHT8B; Elevation of event; Event label; GC; Grab; GRAB; Gravity corer; Horizon; Identification; Latitude of event; Longitude of event; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Pacific Ocean; Position; Quantity of deposit; Sediment type; Size; Spencer F. Baird; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 669 data points
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  • 3
    facet.materialart.
    Unknown
    Schweizerbart
    Publication Date: 2024-05-08
    Description: lm Zusammenhang mit den hydrographischen Untersuchungen in der Irminger See, welche im Juni 1955 auf dem Fischerei-Forschungsschiff "Anton Dohrn" ausgeführt wurden und deren Ergebnisse in der vorhergehenden Arbeit: Schichtung und Zirkulation in der Irminger See im Juni 1955 von G. Dietrich (1957) niedergelegt sind, wurden auch Untersuchungen über die Verteilung chemischer Faktoren in den verschiedenen Wassermassen angestellt. Das Gebiet der lrminger See ist gerade in dieser Beziehung von besonderem Interesse, weil, wie wir im einzelnen durch die Untersuchungen von G. Böhnecke, E. Hentschel und H. Wattenberg (1930) und G. Böhnecke, B. Føyn und H. Wattenberg (1931) wissen, hier die verschiedenen Wassermassen der Golfstrom-Ausläufer, des nordatlantischen Wassers und des Ostgrönlandstromes aufeinandertreffen und sich in einer großen Anzahl größerer und kleinerer Wirbel mitinander vermischen. Diese bewirken ihrerseits durch mit ihnen gekoppelten Hebungs- und Senkungsbewegungen eine recht verwickelte Verschiebung der Wassermassen in vertikaler Richtung. Die große Ausdehnung des befahrenen Gebietes im Verlauf der etwa 5 wöchigen Untersuchungsdauer gestattete nur, den chemischen Untersuchungen ein ganz weitmaschiges Stationsnetz zugrunde zu legen. Von den insgesamt durchgeführten 140 hydrographischen Stationen konnten daher nur 50 Stationen mit den vollen Tiefenserien chemisch bearbeitet werden. Bei der Wahl der Stationen wurde so verfahren, daß der Untersuchungsraum einigermaßen gleichmäßig durch Meßpunkte aufgeteilt wurde (Abb . 17). Auf Feinheiten im Chemismus der Wasserkörper mußte daher von vornherein verzichtet werden. Das Hauptgewicht liegt vielmehr auf der großräurnigen Verteilung und dem chemischen Aufbau der verschiedenen Wasserkörper im Untersuchungsgebiet. Untersucht wurden: der Phosphat-Gehalt, der Gehalt an gelöstem Sauerstoff sowie die Fluoreszenz und die optische Trübung in mit dem Wasserschöpfer in verschiedenen Tiefen dem Meere entnommenen Wasserproben. Der Phosphat-Gehalt wurde nach der in der Meereskunde seit langem üblichen kolorimetrischen Methode nach G. Denigès {1920) mittels Ammoniummolybdat-Schwefelsaure und Zinnchlorür (K. Kalle, 1934) an 25 ccm messenden Proben mittels des elektrischen Kolorimeters "Elko II" der Fa. C. Zeiß bestimmt. Zur Sauerstoff-Bestimmung diente die gleichfalls seit langem übliche Winkler'sche Methode an 50 ccm Meerwasserproben (K. Kalle, 1939). Die Fluoreszenzstärke wurde an 1 ccm Meerwasserproben nach der vom Verfasser entwickelten Methode (K. Kalle, 1951) mittels des Zeiß'schen Pulfrichphotometer gemessen, während für die optische Trübung der mit dem Farbfilter "S 72" (720 mμ) an 5 cm dicken Wasserschichten gewonnene Extinktionswert diente. Für diesen Zweck wurde wiederum das "Elko II"-Gerät benutzt, weil die Messung mit diesem Gerat nur 20 ccm Wasser benötigt und die Meßgenauigkeit trotz der verhältnismäßig geringen Schichtdicke extrem genau durchführbar ist (Fehlergröße = ± 0,000 2 E)1). Die Meßwerte für den Phosphat- und den Sauerstoff-Gehalt werden zusammen mit den zugehörigen Temperatur- und Salzgehaltswerten im Bulletin Hydrographique 1955 (Kopenhagen) erscheinen. Die entsprechenden Werte für die Fluoreszenzstärke und die optische Trübung sind in Zahlentafel 1 niedergelegt. An je drei Vertikalschnitten durch das Untersuchungsgebiet (A, B, C) (Abb. 1-12), deren Lage aus Abb. 17 hervorgeht, sowie an je 4 Horizontal-Schnitten in den Tiefen-Niveaus von O m, 200 m, 500 m und 1000 m (Abb. 13-16 und 18-28) soll versucht werden, die Verteilung der chemischen Faktoren im Untersuchungsgebiet in großen Zügen deutlich zu machen.
    Type: Article , PeerReviewed
    Format: text
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  • 4
    Publication Date: 2024-01-12
    Description: In May 1938 I had the opportunity to observe seven living Aplysia depilans in the Zoological Station Naples. Notes on the size and colour were made and different methods of preservation were tried.\nAs one often wonders how much of the original colour pattern has been preserved in museum specimens of Aplysia, it seems important to give the result of the comparison of the living specimens as studied in 1938 and the same specimens after 18 years of preservation, in 1956. The best way of preservation appears to be killing in diluted alcohol as specimen nr. V shows.
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 5
    facet.materialart.
    Unknown
    In:  Zoologische Verhandelingen vol. 38 no. 1, pp. 1-112
    Publication Date: 2024-01-12
    Description: CONTENTS\nIntroduction................... 1\nOrder Artiodactyla Owen............... 8\nFamily Bovidae Gray................ 8\nSubfamily Bovinae Gill................ 8\nDuboisia santeng (Dubois).............. 8\nEpileptobos groeneveldtii (Dubois)............ 19\nHemibos triquetricornis R\xc3\xbctimeyer............ 60\nHemibos acuticornis (Falconer et Cautley).......... 61\nBubalus palaeokerabau Dubois............. 62\nBubalus bubalis (L.) subsp............... 77\nBibos palaesondaicus Dubois.............. 78\nBibos javanicus (d\'Alton) subsp.............. 98\nSubfamily Caprinae Gill................ 99\nCapricornis sumatraensis (Bechstein) subsp........... 99\nLiterature cited.................. 106\nExplanation of the plates............... 11o\nINTRODUCTION\nThe Bovidae make up a very large portion of the Dubois collection of fossil vertebrates from Java, second only to the Proboscidea in bulk. Before Dubois began his explorations in Java in 1890 we knew very little about the fossil bovids of that island. Martin (1887, p. 61, pl. VII fig. 2) described a horn core as Bison sivalensis Falconer (?); Bison sivalensis Martin has already been placed in the synonymy of Bibos palaesondaicus Dubois by Von Koenigswald (1933, p. 93), which is evidently correct. Pilgrim (in Bron-
    Repository Name: National Museum of Natural History, Netherlands
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  • 6
    facet.materialart.
    Unknown
    In:  Zoologische Verhandelingen vol. 34 no. 1, pp. 1-82
    Publication Date: 2024-01-12
    Description: CONTENTS\nIntroduction...............1\nTaxonomic studies.............3\nProvespa...............7\nVespa................10\nBionomics of Oriental and Papuan Vespinae........51\nProvespa...............51\nVespa................52\nHabitat...............52\nFood...............53\nColony foundation, castes, and periodicity.......59\nNest construction.............60\nDuration of life of colonies...........64\nAggressiveness and effect of sting.........66\nEnemies ..............69\nMimicry...............71\nDistribution of Oriental and Papuan Vespinae........72\nLiterature...............80\nIndex................83\nINTRODUCTION\nIt is now more than fifty years ago since R. du Buysson published a monograph of the genus Vespa, a group of wasps which is at present regarded as representing a subfamily consisting of four or five different genera.\nIn the collections used for the preparation of that work, the fauna of the
    Repository Name: National Museum of Natural History, Netherlands
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  • 7
    facet.materialart.
    Unknown
    In:  Zoologische Bijdragen vol. 3 no. 1, pp. 1-26
    Publication Date: 2024-01-12
    Description: I.\nINLEIDING\nDe vaak gestelde vraag of er in de Nederlandse Antillen ook zeekreeften voorkomen, kan naar gelang van de definitie van het woord zeekreeft zowel ontkennend als bevestigend beantwoord worden. Dat de nederlandse zeekreeft, Homarus gammarus (Linnaeus), er niet voorkomt zal wellicht niemand bevreemden, maar ook de noordamerikaanse soort, Homarus americanus H. Milne Edwards, ontbreekt er. Wel vindt men in de zee\xc3\xabn rondom de Nederlandse Antillen andere kreeften, die echter niet tot de familie der echte zeekreeften (Nephropsidae) behoren, doch tot de families van de langoesten (Palinuridae) en beerkreeften (Scyllaridae). In tegenstelling met de Nephropsidae hebben deze laatste twee families geen echte scharen aan de eerste drie paren looppoten.\nVan de langoesten zijn tot nu toe vier soorten in de Nederlandse Antillen gevonden, terwijl er twee soorten beer- of zandkreeften aangetroffen werden. Deze zes soorten zullen hieronder uitvoerig besproken worden. Enkele andere soorten kreeften zijn in het overige West Indi\xc3\xab waargenomen, doch dit zijn meest dieren uit het diepere water. Mocht echter een dergelijke, hier niet besproken soort in de Nederlandse Antillen gevangen worden, dan is dit een zeer belangrijke vondst en verdient het aanbeveling het exemplaar ter identificatie op te zenden aan het Caraibisch Marien Biologisch Instituut, Piscadera Baai, Willemstad, Cura\xc3\xa7ao (postadres Berg Carmelweg 7, Willemstad), of aan het Rijksmuseum van Natuurlijke Historie te Leiden, waar het dan aan een nader onderzoek zal worden onderworpen. De dieren worden het best geconserveerd in 70 % alcohol of in een 4 % formaline oplossing; soms is aan droge schilden (zowel die van de staart als van het kop-borst-
    Repository Name: National Museum of Natural History, Netherlands
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  • 8
    facet.materialart.
    Unknown
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 8 no. 2, pp. 525-527
    Publication Date: 2024-01-12
    Description: Differt a speciebus ceteris generis Riveae habitu erecto et praesertim speciei proximae Riveae ornatae sepalis exterioribus margine piano non involute et staminibus circa medium tubi corollae insertis vel paullo inferius.\nIndo-China. Laos, prov. Vientiane, vicinity of Vientiane, c. 200 m alt., in open Dipterocarpaceae monsoon forest, on sandy lateritic soil; erect shrub, 1.50 m high; flowers white with greenish midpetaline bands, fl. Aug. 20, 1953 (rain-season); vernacular name: phi yik; Vidal 2350 (TL, type; fragments in L). A fruiting specimen from the same locality was collected Oct. 8, 1952; Vidal 1120 (TL; fragments in L).
    Repository Name: National Museum of Natural History, Netherlands
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  • 9
    facet.materialart.
    Unknown
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 8 no. 2, pp. 452-509
    Publication Date: 2024-01-12
    Description: In the present study only those species of the genus Pouteria have been incorporated which are found in the area covered by the Flora Malesiana, as well as those of Australia and western Polynesia.\nThe results of this study could not have been obtained without the kind help of the Directors of the herbaria of Berkeley, Brisbane, Bogor, Florence, Jamaica Plain, Kew, Lae, Leiden, London, Manila, Melbourne, Paris, Singapore, Stockholm, Sydney and Z\xc3\xbcrich to whom we express our most sincere thanks.
    Repository Name: National Museum of Natural History, Netherlands
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  • 10
    facet.materialart.
    Unknown
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 9 no. 1, pp. 143-186
    Publication Date: 2024-01-12
    Description: For identifying the mosses collected in different localities of the Malaysian region, the need was felt for a key to the genera. In the preliminary one that I constructed to this end the genera were taken in the delimitation accepted in the second edition of Brotherus, Nat\xc3\xbcrl. Pflanzf. In addition to the latter the genera published after 1925 and therefore not included in Brotherus 1. c. are taken into account. In revising the families for Flora Malesiana I will doubtless be compelled to alter the position of some of the species and the delimitation of some of the genera, and at the end of series III of Flora Malesiana, which will contain the Mosses, I therefore intend to give a final key. I sincerely hope that the preliminary key will in the meantime have been tested by different bryologists, and that they will let me profit by their remarks. For this reason it is published here.\nThe analytical key is based as far as possible on vegetative characters, especially on the shape of the leaf cells. The principal features of the sporophyte are noted, but are not, as a rule, made use of as alternatives. This applies particularly to those alternatives that lead to the main groups. Only when no reliable vegetative characters could be found, have characters of the sporophyte, especially those of the peristome, been used. The habitat of each genus, not its distribution in the Malaysian region, is indicated in the key.
    Repository Name: National Museum of Natural History, Netherlands
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