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  • 1955-1959  (110,973)
  • 1956  (57,729)
  • 1955  (53,306)
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Year
  • 1
    Publication Date: 2024-01-12
    Description: The results of a complete census of the breeding population of the White Stork (Ciconia ciconia) in the Netherlands, carried out in the year 1950 by the State Forestry Service, have been published by M\xc3\x96RZER BRUIJNS and BRAAKSMA in Beaufortia 5, Nr. 45, April 15, 1955, p. 23\xe2\x80\x9442.\nA new census was performed during the year 1955 ; it is the intention to repeat the census from now on every year.\nThe results of the last census are even more alarming than those from 1950 (see table, p. 113). The number of occupied nests decreased from 83 nests in 1950 to 58 nests in 1955. The number of fledged young decreased from 195 in 1950 to 96 in 1955. Many nests, still occupied in 1950, were either in a state that they could no longer be used or they had vanished altogether in 1955. On the other hand some new nests have been erected in recent time, some of them yielding good breeding results. The data have been arranged in tables according to the provinces. Every nest is numbered. The numbers of the 1950 census are given in parentheses. Nests marked + means that the nest was occupied by a pair of birds, but that no young were fledged. Nests marked \xe2\x80\x94 means that the nest was not inhabited, or that it was visited irregularly or else occupied by one solitary bird. The number of young fledged is marked by a figure. A gale in the spring of 1955 destroyed 4 nests ; 12 eggs got lost.\nFighting was reported frequently, the unfortunate result being that 3 young storks and at least 37 eggs got lost. These figures probably indicate that at present an insufficient number of nesting sites is avaible in the Netherlands. Therefore it seems worth while to try to erect new nests in localities where fighting has been frequently reported, and to repair those nests that have been visited, but remained unoccupied, owing to the poor state of the nest. In this connection Mr. W. DRIESSEN got most remarkable results with a newly erected nest, made according to a special method. This method should be used for the nests which we hope can be erected or repaired before the new breeding season. Surely the alarming decrease of the White Stork in the Netherlands is not primarily caused by housing problems, but a more appropriate condition and a greater number of nesting sites probably helps to prevent the yearly destruction of perhaps ten or twenty eggs or chicks.\nPhotomechanical reproduction
    Repository Name: National Museum of Natural History, Netherlands
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  • 2
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    Unknown
    In:  Zoologische Verhandelingen vol. 30 no. 1, pp. 1-41
    Publication Date: 2024-01-12
    Description: Anticipating a revision of the genera and subgenera of the tribe Anthophorini, a number of south-east Asiatic species previously included in Anthophora Latreille, are transferred by the author to Amegilla Friese. The types were studied of Anthophora villosula F. Smith, and of 19 valid and 3 invalid species of Amegilla (i.e., of all species discussed, except that of himalajensis Radoszkowski), and a key to their identification is included. The following new species are described: A. proboscidea, \xe2\x99\x80 (Simalur I.), sumatrana, \xe2\x99\x82\xe2\x99\x80 (Sumatra), pagdeni, \xe2\x99\x82 \xe2\x99\x80 (Malaya), and leptocoma, \xe2\x99\x82 \xe2\x99\x80 (Siam & Malaya). Re-descriptions of both sexes and figures are given of A. insularis (F. Smith), himalajensis (Radoszkowski), florea (F. Smith), and urens (Cockerell). Apart from the specific descriptions, notes and records are provided concerning geographical distribution, new localities, and the identity of plants visited. The following cases of synonymy are established : A. fulvohirta Meade-Waldo, 1914 (= insularis F. Smith, 1858) A. proserpina Gribodo, 1893 (= himalajensis Radoszkowski, 1882) A. pahangensis Meade-Waldo, 1914 (= himalajensis Radoszkowski, 1882) A. pahangensis Cockerell, 1927 (= pendleburyi Cockerell, 1929) A. anthreptes Lieftinck, 1944 (= pendleburyi Cockerell, 1929) Anthophora villosula auct, nec F. Smith, 1854 (= Amegilla spec. diff.) Anthophora soror J. P\xc3\xa9rez, 1905 (= Anthophora villosula F. Smith, 1854) Anthophora pingshiangensis Strand, 1913 (= Anthophora villosula F. Smith, 1854)
    Repository Name: National Museum of Natural History, Netherlands
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  • 3
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    In:  Zoologische Bijdragen vol. 1 no. 1, pp. 1-35
    Publication Date: 2024-01-12
    Description: De hier gegeven tabel werd samengesteld naar aanleiding van een wens om op gemakkelijke wijze de namen te leren kennen van de zoogdieren die in Nederlands Nieuw-Guinea schade kunnen toebrengen aan land-, tuin- en bosbouw. Daar de tabel in de eerste plaats beoogt van practisch nut te zijn is er naar gestreefd om haar te baseren op eenvoudige kenmerken die zonder veel moeite zijn waar te nemen. Met uitzondering van de knaagdieren, waarvan in de meeste gevallen zelfs de genusnaam niet te bepalen is zonder gebruik te maken van schedelkenmerken en tandstructuren, is het mogelijk gebleken op uiterlijke kenmerken van ieder zoogdier tenminste vast te stellen tot welk genus het behoort. Omdat er in de eerste jaren nog geen sprake kan zijn van een goed georganiseerde bestrijding van schadelijke zoogdieren in dit gebied zal de man van de practijk er ook geen behoefte aan gevoelen om van ieder gevangen dier de naam van de soort of die van het geographische ras te kennen. De gelegenheid, die ons echter met de uitgave van deze tabel werd geboden om meer bekendheid te geven aan de grote vormenrijkdom van de Nieuw-Guinese zoogdieren, heeft ons doen besluiten om deze, met behoud van het practische doel, zodanig uit te werken dat zij als een voorlopige gids voor het identificeren van vele in het gebied waargenomen zoogdieren kan dienen. Amateur-mammalogen in Nederlands Nieuw-Guinea waren tot nu toe immers voor dit doel aangewezen op enige verouderde boeken die bovendien slechts antiquarisch zijn te verkrijgen, terwijl de verdere vakliteratuur verspreid is in artikelen welke in verschillende tijdschriften werden gepubliceerd.\nZoals in iedere diergroep bevinden zich onder de Nieuw-Guinese zoogdieren naast gemakkelijk te herkennen soorten en rassen ook vele vormen
    Repository Name: National Museum of Natural History, Netherlands
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  • 4
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    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 8 no. 1, pp. 2-95
    Publication Date: 2024-01-12
    Description: During a recent treatment of the Proteaceae for \xe2\x80\x9cFlora Malesiana\xe2\x80\x9d it has become evident that a revision of the generic status of all proteaceous taxa reported from S. Asia and Malaysia as well as from the adjacent regions of Micronesia, Melanesia, Polynesia and subtropical-tropical Australia had to be made to reach a satisfactory correlation of the genera and species concerned as a basis for the discussion of phytogeographical relations both within and outside the proper Malaysian area. During this work it appeared necessary to transfer some species to other genera. A revision of the genus Helicia showed that a group of species had to be segregated as a distinct new genus Heliciopsis.\nMy studies are based on herbarium specimens borrowed from the following Institutions: Arnold Arboretum (A), Bot. Mus. Berlin-Dahlem (B, where the type-material of the family remained intact), Bogor (BO), Brisbane (BRI), Calcutta (CAL), Edinburgh (E), Florence (FT), Kepong (KEP), Lae (LAE), Leiden (L), Melbourne (MEL), Miinchen (M), New York (NY), Manila (PNH), Singapore (SING), Stockholm (S) and Utrecht (IT). The material preserved in the British Museum (BM), at Kew (K), and Paris (P) has been studied during a stay at London and Paris.
    Repository Name: National Museum of Natural History, Netherlands
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  • 5
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    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht vol. 120 no. 1, pp. 148-149
    Publication Date: 2024-01-12
    Description: Recently I got the opportunity of examining a specimen from the \xe2\x80\x9cRijksherbarium\xe2\x80\x9d, Leiden, which was provided with a label on which ROTH had written in the middle the name of the plant, viz. \xe2\x80\x9c Micranthus serpyllifol-Roth \xe2\x80\x9d and in the lower right corner the name of the collector, viz. \xe2\x80\x9cHeyne\xe2\x80\x9d; in the lower left comer another hand had added \xe2\x80\x9cInd. or. Hb. Roth\xe2\x80\x9d. As the specimen proved to answer the description of Micranthus serpyllifolius given on p. 282 of ROTH\xe2\x80\x99s \xe2\x80\x9cNovae Plantarum Species, Halberstadt 1821,\xe2\x80\x9d there can be little doubt that it is either the type of this species or else a duplicate of the latter. This is the more important as none of the authors who in the past ventured an opinion with regard to the taxonomic position of ROTH\xe2\x80\x99s species, apparently had seen the type.\nROTH\xe2\x80\x99s specimen was inserted in the Leiden Herbarium under the name Andrographis serpyllifolia R.W. (Acanthaceae), but this is obviously a misidentification. for Andrographis serpyllifolia does not fit ROTH\xe2\x80\x99s description. The plant described by the latter has smaller and less numerous leaves and its flowers are arranged in terminal spikes instead of solitary or a few together in the axils of ordinary leaves.
    Repository Name: National Museum of Natural History, Netherlands
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  • 6
    Publication Date: 2024-01-12
    Description: Une \xc3\xa9valuation des plantes d\xe2\x80\x99apr\xc3\xa8s leur pouvoir \xc3\xa9dificateur de dunes doit \xc3\xaatre pr\xc3\xa9c\xc3\xa9d\xc3\xa9e d\xe2\x80\x99une description de leur structure a c\xc3\xb4t\xc3\xa9 de l\xe2\x80\x99\xc3\xa9tendue et de la densit\xc3\xa9 des organes a\xc3\xa9riens il faut consid\xc3\xa9rer d\xe2\x80\x99importance capitale et d\xc3\xa9cisive la structure des organes souterrains, tel que K\xc3\x9cHNHOLTZLORDAT (1923) et VAN DIEREN (1934) l\xe2\x80\x99ont sugger\xc3\xa9.\nLes organes souterrains peuvent \xc3\xaatre: des rhizomes, des racines, ou des tiges ensevelies par le sable meuble. Une comparaison des diff\xc3\xa9rentes qualit\xc3\xa9s m\xc3\xa8ne \xc3\xa0 la distinction de groupements et \xc3\xa0 la cr\xc3\xa9ation d\xe2\x80\x99un syst\xc3\xa8me.
    Repository Name: National Museum of Natural History, Netherlands
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  • 7
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    In:  Correspondentieblad ten dienste van de floristiek en het vegetatie-onderzoek van Nederland vol. 1 no. 1, pp. 12-12
    Publication Date: 2024-01-12
    Description: He in het vooruitzicht gestelde literatuur-rubriek zal in het volgende nummer worden geopend.
    Repository Name: National Museum of Natural History, Netherlands
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  • 8
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    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht vol. 127 no. 1, pp. 1-81
    Publication Date: 2024-01-12
    Description: For many years already there has been a close co-operation between archaeology and palynology. This co-operation is particularly concerned with the investigation of archaeological objects\xe2\x80\x94sometimes even complete settlements\xe2\x80\x94which were discovered in the peat. With the help of archaeologically well datable finds it was possible to obtain a dating of some parts of the pollen diagram and of stratigraphical phenomena as the recurrence surfaces in the Swedish raised bogs. Next, objects which were archaeologically not datable, viz. trackways and peat burials, could be dated more or less accurately by means of pollen analysis. In the last few years, moreover, attention has been paid to the pollen analytical investigation of samples from burial monuments. It was WATERBOLK who worked out this method, and who attained important results.\nIn this investigation much stress is laid on the correlation between archaeological and scientific phenomena. In this connection it was in the first place of much importance to have the disposal of a detailed diagram from a large raised bog whose pollen content cannot have been influenced to a great extent by local conditions. From this diagram reflecting the vegetation development in a given region alterations of the vegetation effected by climatic changes or human interference can be read. Moreover, by means of such a diagram other pollen analytical data from that given region\xe2\x80\x94which have often been influenced by local conditions\xe2\x80\x94can be compared better with those from other regions.
    Repository Name: National Museum of Natural History, Netherlands
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  • 9
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    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht vol. 125 no. 1, pp. 459-480
    Publication Date: 2024-01-12
    Description: The genus Erisma is found in the Amazonian basin and in the Guianas; it comprises 16 species as defined in this paper, all of them typical Hylaean forest trees.\nThe genus was first described by RUDGE in 1805; its name is a greek word meaning \xe2\x80\x9ca cause of dispute\xe2\x80\x9d. RUDGE may have wanted it to refer to the romantic story of the type-specimen of his Erisma floribundum, a specimen belonging to a set of plants collected by the Frenchman Martin in French Guiana and captured by British privateers on its way to Paris. The name was also well suited to indicate the difficult taxonomic position of the genus.
    Repository Name: National Museum of Natural History, Netherlands
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  • 10
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    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht vol. 123 no. 1, pp. 405-411
    Publication Date: 2024-01-12
    Description: Sectio Ciliantha Stafl., subsectio Ferrugineae Warm. A V. vismiifolia Spruce ex Warm. stipulis nullis, foliis longe petiolatis majoribus latioribus, nervis lateralibus pluribus, floribus minoribus calcare inflato instructis differt.\nArbor. Ramuli juveniles, petioli, inflorescentia, foliorum pagina inferior indumento ferrugineo-canescente instructi. Stipulae nullae. Folia opposita, petiolo c. 15 mm longo, lamina elliptica, c. 12-16 cm longa, c. 5\xc2\xbd-7 cm lata, apice breviter obtuse apiculata, retusa, basi obtusa, nervis supra haud prominentibus, lateralibus subtus prominentibus, majoribus utrinque 15-20 sub angulo c. 50-60\xe2\x80\x99 e costa ortis a nervo limbali undulato margini proximo junctis, venulis supra haud conspicuis, subtus prominulis, reticulatis. Inflorescentia cylindrica, densiflora, cincinnis bifloris, pedunculis 2-3 mm longis, pedicellis 5-7 mm longis, alabastris c. 7 mm longis, 1\xc2\xbd mm latis, subrecurvis, obtusis, calcare c. 5 mm longo, basi constricto, inflato, sub angulo 60-90\xe2\x80\x99 e pedicello orto instructis. Petala suboblonga, apice obtusa; intermedium c. 5 mm longum, extus dense pilosum; lateralia c. 4 mm longa, stamen subpilosum, anthera c. 4 mm longa apice rotundata, filamento c. 2 mm longo. Staminodia c. 1 mm longa ciliata. Stylus glaber, stigmate laterali parvo instructus.
    Repository Name: National Museum of Natural History, Netherlands
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