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  • 2025-2025  (3)
  • 1950-1954  (88,766)
  • 1952  (45,699)
  • 1951  (43,119)
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Language
Years
Year
  • 1
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    Annotated record of the detailed examination of Mn deposits from the Swedish Deep Sea Expedition (1951)
    PANGAEA
    In:  Supplement to: Nybelin, Orvar (1951): Introduction and Station List. In: Pettersson, H. (Ed.), Jerlov, N. and Kullenberg, B. Reports of the Swedish Deep Sea Expedition, Volume II. Swedish Natural Science Research Council Stockholm 23 - Sweden, 1-28
    Details
    Publication Date: 2024-06-26
    Description: The cores and dredges described in this report were taken during the Swedish Deep Sea Expedition from July 1947 until October 1948 aboard the S/S Albatross (Boström). A total of 370 cores and trawls during this World circumnavigation.
    Keywords: Albatross IV (1963); Comment; Core; CORE; core_43; core_44; core_45; core_46; core_47; core_48; core_50A; core_51; core_52; core_53; core_56; core_57; core_69; core_70; core_72; core_76; core_80; core_81; core_82; core_87; core_89; Date/Time of event; Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; Elevation of event; Event label; GC; Gravity corer; Latitude of event; Longitude of event; Method/Device of event; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; NODC-0418; North Pacific Ocean; Position; Quantity of deposit; Sample ID; SDSE_065; SDSE_066; SDSE_068; SDSE_069; SDSE_070; SDSE_073; SDSE_076; SDSE_078; SDSE_079; SDSE_081; SDSE_086; SDSE_087; SDSE_102; SDSE_104; SDSE_105-2; SDSE_114-2; SDSE_125-2; SDSE_127-2; SDSE_128; SDSE_136-2; SDSE_139-2; SDSE_373-2; Sediment type; Size; South Atlantic Ocean; South Pacific Ocean; Substrate type; SwedishDeepSeaExpedition; TRAWL; Trawl net; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 276 data points
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    DATA PANGAEA
  • 2
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    (Appendix Table 1) Physical oceanography during the Swedish Deep Sea Expedition with R/V Albatross in 1947-1948 (1951)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Albatross IV (1963); Alboran Sea; Arabian Sea; Canarias Sea; CTD, handheld; Date/Time of event; Density, sigma, in situ; DEPTH, water; Eastern Basin; Elevation of event; Event label; Flores Sea; Gases, dissolved; Gulf of Aden; hCTD; Indian Ocean; Lakshadweep Sea; Latitude of event; Longitude of event; NODC-0418; North Pacific Ocean; Number; Pacific Ocean; pH; Philippine Sea; Phosphate; Red Sea; Salinity; SDSE_043CTD; SDSE_045CTD; SDSE_047CTD; SDSE_048CTD; SDSE_049CTD; SDSE_052CTD; SDSE_055CTD; SDSE_058CTD; SDSE_059CTD; SDSE_060CTD; SDSE_062CTD; SDSE_063CTD; SDSE_065CTD; SDSE_067CTD; SDSE_069CTD; SDSE_070CTD; SDSE_072CTD; SDSE_074CTD; SDSE_076CTD; SDSE_077CTD; SDSE_078CTD; SDSE_079CTD; SDSE_080CTD; SDSE_081CTD; SDSE_082CTD; SDSE_084CTD; SDSE_085CTD; SDSE_086CTD; SDSE_087CTD; SDSE_088CTD; SDSE_089CTD; SDSE_090CTD; SDSE_091CTD; SDSE_093CTD; SDSE_094CTD; SDSE_102CTD; SDSE_105CTD; SDSE_108CTD; SDSE_111CTD; SDSE_113CTD; SDSE_115CTD; SDSE_116CTD; SDSE_119CTD; SDSE_121CTD; SDSE_122CTD; SDSE_123CTD; SDSE_126CTD; SDSE_128CTD; SDSE_129CTD; SDSE_130CTD; SDSE_131CTD; SDSE_133CTD; SDSE_135CTD; SDSE_137CTD; SDSE_138CTD; SDSE_143CTD; SDSE_150CTD; SDSE_157CTD; SDSE_162CTD; SDSE_173CTD; SDSE_183-184CTD; SDSE_190CTD; SDSE_196CTD; SDSE_200CTD; SDSE_202CTD; SDSE_204CTD; SDSE_205CTD; SDSE_206CTD; SDSE_207CTD; SDSE_208CTD; SDSE_211CTD; SDSE_213CTD; SDSE_216CTD; SDSE_220CTD; SDSE_223CTD; SDSE_225CTD; SDSE_227CTD; SDSE_228CTD; SDSE_232CTD; SDSE_235CTD; SDSE_240CTD; SDSE_243CTD; SDSE_244CTD; SDSE_246CTD; SDSE_247CTD; SDSE_248CTD; SDSE_251CTD; SDSE_254CTD; SDSE_261CTD; SDSE_262CTD; SDSE_263CTD; SDSE_266CTD; SDSE_267CTD; SDSE_268CTD; SDSE_269CTD; SDSE_270CTD; SDSE_271CTD; SDSE_272CTD; SDSE_285CTD; SDSE_301CTD; SDSE_306CTD; SDSE_307CTD; SDSE_308CTD; SDSE_309CTD; SDSE_314CTD; SDSE_319CTD; SDSE_321CTD; SDSE_322CTD; SDSE_323CTD; SDSE_325CTD; SDSE_326CTD; SDSE_327CTD; SDSE_328CTD; SDSE_330CTD; SDSE_332CTD; SDSE_333CTD; SDSE_335CTD; SDSE_336CTD; SDSE_337CTD; SDSE_340CTD; SDSE_342CTD; SDSE_343CTD; SDSE_344CTD; SDSE_345CTD; SDSE_347CTD; SDSE_349CTD; SDSE_351CTD; SDSE_353CTD; SDSE_354CTD; SDSE_357CTD; SDSE_360CTD; SDSE_362CTD; SDSE_367CTD; SDSE_371CTD; SDSE_373CTD; SDSE_384CTD; SDSE_387CTD; SDSE_400CTD; Silicate; South Atlantic Ocean; South Pacific Ocean; Strait of Gibraltar; SwedishDeepSeaExpedition; Temperature, water; Western Basin
    Type: Dataset
    Format: text/tab-separated-values, 15537 data points
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  • 3
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    Rediagnosis of the Old World Cyprinodont genus Aphanius (1951)
    In:  Beaufortia vol. 1 no. 1, pp. 1-6
    Details
    Publication Date: 2024-01-12
    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, S\xc3\xb6zer and Aksiray, have recently been published. Besides the species known, several new forms and species are described.\nWhile compiling an account on these fishes suitable for the home aquarium (Hoedeman & Bronner, 1950\xe2\x80\x941951), 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: info:eu-repo/semantics/article
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  • 4
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    Description d\xe2\x80\x99une esp\xc3\xa8ce nouvelle, type d\xe2\x80\x99un genre in\xc3\xa9dit, appartenant \xc3\xa0 la famille des Cynoglossidae, sous-famille des Cynoglossinae (1951)
    In:  Beaufortia vol. 1 no. 7, pp. 1-10
    Details
    Publication Date: 2024-01-12
    Description: Le processus pr\xc3\xa9oral est court. L\xe2\x80\x99\xc5\x93il migrateur d\xc3\xa9passe le bord ant\xc3\xa9rieur de l\xe2\x80\x99\xc5\x93il fixe de plus de la moiti\xc3\xa9 de son propre diam\xc3\xa8tre. La narine exhalante z\xc3\xa9nithale est pr\xc3\xa9sente. La l\xc3\xa8vre mandibulare z\xc3\xa9nithale est hypertrophi\xc3\xa9e en un petit nombre de larges processus nullement cili\xc3\xa9s. Ko\xce\xbc\xcf\x88\xc3\xb2s, \xc3\xa9l\xc3\xa9gant; \xce\xbc\xce\xb5wia\xce\xbca, sourire.
    Repository Name: National Museum of Natural History, Netherlands
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  • 5
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    Some notes on the taxonomy, the distribution and the ecology of four species of the Amphipod genus Corophium (Crustacea, Malacostraca) (1952)
    In:  Beaufortia vol. 2 no. 21, pp. 1-10
    Details
    Publication Date: 2024-01-12
    Description: Corophium arenarium was first described by CRAWFORD in his excellent review of the entire genus, in 1937. In the description, the author expressed his doubt already whether it might be a distinct species or merely a variety of C. volutator. CRAWFORD\xe2\x80\x99S observations on the variation of the number of spines on antenna II, segment 4 and 5, suggest that it is only a variety.\nCHEVAIS, 1937, does not give a definite opinion, whether he considers the species distinct from each other or not. For biometrical reasons, as well for reasons of variation observed by other authors, he suggests, however, that C. volutator and C. arenarium are only local races of one species.
    Repository Name: National Museum of Natural History, Netherlands
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  • 6
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    Notes on three species of the genus Sacculina (1952)
    In:  Beaufortia vol. 2 no. 18, pp. 1-9
    Details
    Publication Date: 2024-01-12
    Description: One of the specimens dealt with in the present paper has been described in previous papers, in which it appeared under three different names, all of which for different reasons eventually proved to be erroneous. The present identification as Sacculina cordata Shiino at last seems to be definite. The second specimen, as the first from the material collected by the Siboga Expedition, belongs to the species Sacculina papposa V. K. & B., of which up till now the type specimen only was known; the parasite dealt with here is interesting because the excrescences of its external cuticle are of a structure slightly different from that of the corresponding parts in the type; moreover, in this specimen retinacula were found, yielding an additional character for the definition of the species. The remainder of the material dealt with here proved to belong to a new species, characterized in the first place by the peculiar excrescences of the external cuticle.
    Repository Name: National Museum of Natural History, Netherlands
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  • 7
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    Een nieuwe kleine Gobiide vis met samengegroeide buikvinnen bij de man (Dormitator lophocephalus sp. nov.) (1951)
    In:  Beaufortia vol. 1 no. 2, pp. 1-6
    Details
    Publication Date: 2024-01-12
    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.\nOnmiddellijk 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
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  • 8
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    Growth-Inhibiting Substances in the Roots of Fuchsia hybrida and of Pelargonium zonale (1952)
    In:  Beaufortia vol. 2 no. 17, pp. 1-16
    Details
    Publication Date: 2024-01-12
    Description: Scientific research concerning growth inhibitors, which has been pursued for several decades already, dealt mainly with the effect of these substances on the germination process. WIESNER (1894) demonstrated the presence of a growth inhibitor in the slime of the mistletoe (Viscum album) which prevented the germination of a great variety of seeds. OPPENHEIMER (1922) supplemented the analysis by placing seeds on the pulp of ripe tomatoes and he observed a strong inhibitive effect as a result of this treatment. In addition, however, he found that the inhibiting substance is thermolabile and insoluble in ether or alcohol. REINHARD (1933) corroborated Oppenheimer\xe2\x80\x99s results for the most part. According to this author, however, the inhibiting agent in tomato juice is thermostabile, and it is not destroyed by boiling, neiher by neutralisation or by diluting the juice 50 times. In other fleshy fruits such as apples, pears and quinces K\xc3\x96CKEMANN (1934) detected inhibiting substances capable of preventing the germination of Lepidium seeds. These substances were reported to be sensitive to peroxide and to alkali, thermostabile and soluble in water and in ether, but insoluble in petroleum ether. On the other hand, the inhibiting agent extracted by LEHMANN (1937) from the exocarp if buckwheat is thermolabile. In Helianthus annuus and Avena sativa, finally, RUGE (1939) demonstrated the presence of an inhibitor that reduces the speed of germination to a considerable extent. FR\xc3\x96SCHEL\xe2\x80\x99S investigations on Trifolium and Beta will be dealt with in 4.\nThis survey is not quite exhaustive, but clearly demonstrates that the inhibiting agent should not be regarded as a definite, well-defined chemical substance which is always the same in every individual case, but as a group of substances with analogous activities but most probably with widely divergent physical and chemical properties. Following K\xc3\x96CKEMANN (1934) we can classify the inhibiting substances into two groups, as follows : 1. inhibiting substances in the testa or in the seed, and 2. inhibiting substances in the mesocarp of pulpy fruits.
    Repository Name: National Museum of Natural History, Netherlands
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  • 9
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    A taxonomic study of the Phytoseiinae (Family Laelaptidae) Predaceous upon Tetranychidae of Economic importance (1951)
    In:  Zoologische Verhandelingen vol. 12 no. 1, pp. 1-64
    Details
    Publication Date: 2024-01-12
    Description: The increased importance which the European red mite (Paratetranychus pilosus (Can. et Fanz.)) (= Metatetranychus ulmi (Koch)) has assumed in recent years has led to an intensive study of its biology and natural history.\nIn the course of these investigations many workers, and in particular those in Nova Scotia (vide Lord, 1949), have become convinced that this pest can be controlled, on apple trees at least, by natural means and that some of the most active agents in its eradication are the representatives of that group of predaceous mites which Vitzthum (1941) placed in the subfamily Phytoseiinae Ber\'lese, 1916 1). As the late Dr. A. C. Oudemans of Arnhem included many if not most of these species in the genus Typhlodromus as he conceived it, this paper is in essence a revision of that genus.\nPresumably because of their small size and limited distribution, which is largely contingent upon readily available populations of their hosts, little attention has been paid to these predators from either the ecological or taxonomic point of view. A cursory survey of the literature pertaining to the predaceous relationship which exists between the Phytoseiinae herein to be discussed and the tetranychid mites may serve as an appraisal of this economically significant group of mites. Koch (1839) in describing what now appears to be a typhlodromid, viz., Gamasus vepallidus, made no reference to its possible predaceous habits. Scheuten (1857) thought that the eriophyids which he found associated in numbers with his Typhlodromus pyri were its offspring. Berlese (1882-1898), however, had a better understanding of these relationships and was able to state in his redescription of G. vepallidus as Seius (Seiulus) vepallidus (K.) that it was a predator of small acari as well as being a mycophage. His countryman, Ribaga (1902), writing of the
    Repository Name: National Museum of Natural History, Netherlands
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  • 10
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    A new gamily of Dicotyledons: Davidsoniaceae (1952)
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 7 no. 1, pp. 293-296
    Details
    Publication Date: 2024-01-12
    Description: In January 1949 Professor H. J. Lam, director of the Rijksherbarium, Leyden, on his way to the 7th Pacific Science Congress in New Zealand, spending some time in Fiji, was shown by Mr B. E. V. Parham, Department of Agriculture, Suva, Viti Levu, Fiji Islands, a slender tree, cultivated in the Agricultural Experimental Garden Naduruloulou. The tree was unidentified and of unknown origin. Some flowering material was collected and at our request Mr Parham was good enough to send some ripe fruits in liquid for an investigation I was entrusted with.\nAdditional material was studied from the herbaria at Brisbane, Kew, Leiden, Melbourne and Paris. It is my pleasant duty to tender my best thanks to the directors of these institutes for the loan of this valuable material, among which the type.
    Repository Name: National Museum of Natural History, Netherlands
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