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  • Journals
  • Articles  (937,775)
  • 1960-1964  (420,809)
  • 1955-1959  (295,558)
  • 1950-1954  (221,408)
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  • 1
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    Bomenboek voor Suriname (1963)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht vol. 200 no. 1, pp. 1-312
    Details
    Publication Date: 2024-02-22
    Description: The aim of this book is to provide all persons interested in the tree and wood species of Suriname with a simple means to find the name of a given tree. To this end two dichotomous keys have been drawn up with the help of punched cards prepared from studies of conserved material and field observations made by the authors. The first one makes use only of vegetative characters of leaves and twigs and a few saliant features of the bark, disregarding flower and fruit characters mostly used in floras. The second key is based on the anatomy of the wood as far as this can be observed with a good 10 X or sometimes 20 X magnifying hand-lens.\nIn the \xe2\x80\x9cInleiding\xe2\x80\x9d the terminology applied in each of the keys and in the descriptions is explained and elucidated by sketch drawings. After the keys follows the descriptive part in which the families are treated in alphabetical sequence as are the genera within each family and species within a genus. In general the taxa are taken in the same circumscription as in the \xe2\x80\x9cFlora of Suriname\xe2\x80\x9d; where a different name is accepted, following recent views, the name in the Flora has been added in brackets. Attention is drawn to the Mimosaceae and Papilionaceae which are treated here on account of their close relationship as two major subdivisions of Leguminosae, the latter name being used as general family heading.
    Repository Name: National Museum of Natural History, Netherlands
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  • 2
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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
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  • 3
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    Two new Strongylosomidae from Indochina (Diplopoda, Polydesmida) (1953)
    In:  Beaufortia vol. 2 no. 29, pp. 1-8
    Details
    Publication Date: 2024-01-12
    Description: Material: Indochina, Tonkin, Manson Mts. 2\xe2\x80\x943000\xe2\x80\x99. April\xe2\x80\x94May. (Coll. H. FRUHSTORFER), 2 \xe2\x99\x82 \xe2\x99\x82, 1 \xe2\x99\x80.\nColour: probably somewhat faded. Head yellowish, with frons and vertex rather dark brown. Antennae yellowish, the distal part of the 6th, and the 7th joint brownish. Somites with a broad median yellowish band from collum to tail and yellowish lateral keels, the rest castaneous, slightly paler at the ventral side. Sternites and legs yellowish.
    Repository Name: National Museum of Natural History, Netherlands
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  • 4
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    Walkeriana tosariensis, a new Monophlebine coccid, from Casuarina Junghuhniana Miq. in East-Java (1957)
    In:  Beaufortia vol. 6 no. 70, pp. 115-145
    Details
    Publication Date: 2024-01-12
    Description: Among some coccids from Indonesia, received from Dr. L. G. E. KALSHOVEN, four large specimens were found which by their well developed ovisac showed some resemblance to Icerya purchasi MASK. After comparing the specimens with the photographs in MORRISON\xe2\x80\x99S Classification of the Margarodidae (1928) it appeared, however, that the wax covering of the body was more alike that of Walkeriana floriger (WALKER).\nThe old pinned specimens were not labelled, but Dr. KALSHOVEN remembered that they had been collected by Prof. ROEPKE on \xe2\x80\x9etjemara\xe2\x80\x9d (Casuarina). Upon inquiry Prof. ROEPKE informed me that in 1910 he had collected a giant coccid on old stems of Casuarina Junghuhniana MIQ. in the Tengger Mts. (East-Java). The specimens were found on trees near the last bend of the road leading to Tosari, a well-known health-resort at an elevation of about 1750 m, where Europeans often used to spend their holidays. Some specimens had been sent to Mr. E. E. GREEN in Ceylon who replied that it was a species of Walkeriana, but that he wanted the larvae for a description of this new species.
    Repository Name: National Museum of Natural History, Netherlands
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  • 5
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    The occurrence of Xyleborus perforans (Woll.) and X. similis in Java (Coleoptera, Scolytidae) (1964)
    In:  Beaufortia vol. 11 no. 141, pp. 131-142
    Details
    Publication Date: 2024-01-12
    Description: In 1898 a shot-hole borer, identified as X. perforans (Woll.) appeared in an experimental plantation of sugar-cane varieties at Kagok, near Tegal, West Java. Zehntner, the Swiss entomologist on the staff of the Sugar-cane Experimental Station at Kagok, used the opportunity to study the borer extensively in the laboratory as well as in the field. The borer was already notorious at the time by its boring into the bung and staves of wine-casks in Madeira and beercasks in India, which caused leakages \xc2\xb2).\nZehntner published the very important results of his investigations in an extensive paper written for the planters in the Dutch language, in 1900. A summary of this paper on \xe2\x80\x9dDe riet-schorskever\xe2\x80\x9d (the cane bark-borer) was inserted in an annual report for 1900. An excerpt of the paper, quoting some parts verbatim but wanting several of the most interesting biological details, appeared in 1906 in VAN DEVENTER\xe2\x80\x99S volume on \xe2\x80\x9eDe dierlijke vijanden van het suikerriet en hunne parasieten\xe2\x80\x9d (= The enemies of sugar-cane and their parasites).
    Repository Name: National Museum of Natural History, Netherlands
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  • 6
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    On the Influence of Preservation on the External Appearance of Specimens of Aplysia depilans Linn\xc3\xa9 (1957)
    In:  Beaufortia vol. 5 no. 66, pp. 241-243
    Details
    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
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  • 7
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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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  • 8
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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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  • 9
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    Tumours of fishes 29. Lipoma in the eel Anguilla anguilla (1959)
    In:  Beaufortia vol. 7 no. 84, pp. 193-198
    Details
    Publication Date: 2024-01-12
    Description: In an adult female of the common eel Anguilla anguilla a large lipoma was found, situated on the left side, caudally of the left operculum. Microscopically, the tumour, which originated from the subcutaneous connective tissue, was composed of areas of adipose tissue and areas of fibrous connective tissue.\nThe tumour belongs to the fibrolipomatous type and shows a striking resemblance with the lipoma, described by Stolk (in press) in the lizard Lacerta muralis.
    Repository Name: National Museum of Natural History, Netherlands
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  • 10
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    \xc3\x96kologische Schlussfolgerungen (1960)
    In:  Bijdragen tot de dierkunde vol. 30 no. 1, pp. 139-144
    Details
    Publication Date: 2024-01-12
    Description: Die Untersuchung des Ems-Estuarium mit dem Dollart und dem anschlie\xc3\x9fenden Wattgebiet wurde u.a. vorgenommen, um durch das Sammeln von \xc3\xb6kologischer Kenntnisse, die pal\xc3\xa4o-\xc3\xb6kologischen Verh\xc3\xa4ltnisse derartiger Regionen aus fr\xc3\xbcheren Epochen der Erdgeschichte besser kennen zu lernen. Deshalb haben diese Schlu\xc3\x9ffolgerungen \xc3\xbcber die \xc3\xb6kologischen Verh\xc3\xa4ltnisse einen etwas anderen Akzent, als wenn sie von einem Biologen stammten.\nDie \xc3\x96kologie der Diatomaceae, Mollusca, Ostracoda, Amphipoda, Copepoda, Foraminifera und noch einiger anderer wirbelloser Tiere wurde einer n\xc3\xa4heren Untersuchung unterzogen. Absichtlich war die Aufmerksamkeit auf die Mikrofauna und -flora gerichtet, weil wir besonders unsere mikropal\xc3\xa4ontologische Kenntnis vertiefen wollten.
    Repository Name: National Museum of Natural History, Netherlands
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