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  • 1
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    The Nature of the Association between Anthozoa and Zooxanthellae (1925)
    National Academy of Sciences
    Details
    Publication Date: 1925-01-01
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 2
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    Elminius modestus in the Netherlands (1948)
    Springer Nature
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    Publication Date: 1948-03-01
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Springer Nature
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  • 3
    Electronic Resource
    Electronic Resource
    Elminius modestus in the Netherlands (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 403-404 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RECENTLY, Jones1 remarked that the barnacle Elminius modestus Darwin, if introduced into France and Holland, is likely to become particularly troublesome for the oyster culture industry. It may be worth while to state that the species seems to be already fairly common in the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161403b0
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    Paper (German National Licenses)
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  • 4
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    Notes on three species of the genus Sacculina (1952)
    In:  Beaufortia (0067-4745) vol.2 (1952) nr.18 p.1
    Details
    Publication Date: 2014-10-27
    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
    Type: Article / Letter to the editor
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  • 5
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    On specimens of the coral genus Tubastraea, with notes on phenomena of fission (1953)
    In:  Studies on the Fauna of Curaçao and other Caribbean Islands (0166-5189) vol.4 (1953) nr.1 p.109
    Details
    Publication Date: 2014-10-27
    Description: Among the material brought together in the West Indies by Dr P. Wagenaar Hummelinck there are some coral colonies of the genus Tubastraea that are interesting from various points of view, in the first place because this genus of Madreporaria has but recently become known to occur in the West Indies. Vaughan & Wells (1943, p. 239) note as range of distribution of the genus Panamá, Indo-Pacific, Gulf of Guinea, and the West Indies. As I did not succeed in finding data in the previous literature on the occurrence of Tubastraea in the West Indian area, I wrote to Dr J. W. Wells, Cornell University, Ithaca, New York, who kindly informed me that the statement given above was based on otherwise unpublished recent finds of material from off Puerto Rico, whilst later a specimen was received from Curaçao. Moreover, the genus is mentioned in the Taxonomic Key to Genera of Living Western Atlantic Corals in Smith (1948, p. 108). Vaughan & Wells (l. c., pp. 238/239) define the genus Tubastraea with the following characters: “Like Endopsammia, but producing small subplocoid clumps by extratentacular budding from the edge-zone, polyps remaining organically united and with corallites united by some coenenchyme and feeble costae. Columella feeble, but occasionally well developed.” As the authors refer to the genus Endopsammia, the characters of the latter genus also may be cited here (l. c., p. 238): “Simple, subcylindrical, nonepithecate, fixed by broad base. Wall thin, costate. Septa thin, arranged according to Pourtalès plan only in early stages, later appearing normal. Columella small and spongy or scarcely developed.”
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 6
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    Revision of the Indo-Pacific species of the genus Distichopora (1959)
    In:  Bijdragen tot de dierkunde vol. 29 no. 1, pp. 121-171
    Details
    Publication Date: 2024-01-12
    Description: Twenty-one species of Distichopora have been described after specimens from various localities in the Indo-Pacific region, viz., D. violacea (Pallas, 1766) from \xe2\x80\x9cMare Indicum\xe2\x80\x9d, D. cinnabarina Nardo, 1844, from the Red Sea (?), D. gracilis Dana, 1848, from the Tuamotu Islands, D. coccinea Gray, 1860, from New Caledonia, D. fulvacea Michelin, 1862, from R\xc3\xa9union, D. nitida Verrill, 1864, from the Marshall Islands, D. rosea Kent, 1871, from the East coast of Australia, D. purpurea Schmeltz, 1875 (nomen nudum), from the Marshall Islands (?), D. irregularis Moseley, 1879, from the Philippine Islands, D. livida Tenison-Woods, 1879, from the Solomon Islands, D. brasseyi Wright, 1882, from the Gilbert Islands, D. allnutti Wright, 1882, from the Gilbert Islands (?), D. breviserialis Quelch, 1884, from unknown locality, D. milesii Quelch, 1884, from the Pacific (probably from the region of the Society and Tuamotu Islands), D. granulosa Quelch, 1885, from Rarotonga (?), D. conferta Quelch, 1885, from Rarotonga, D. ochracea Quelch, 1885, from the Solomon Islands, D. profunda Hickson & England, 1909, from the Chagos Archipelago, D. borealis Fisher, 1938, from the Aleutian Islands, D. fisheri Broch, 1942, from the Fiji Islands, and D. serpens Broch, 1942, from the Philippine Islands. Most of the described species came from shallow water, only three species were collected from great depths, viz., D. profunda (187\xe2\x80\x94274 m), D. borealis (518\xe2\x80\x94881 m), and D. serpens (91\xe2\x80\x94183 m). The type specimen of D. irregularis came from a depth of 10 fathoms (18 m).\nTo the species enumerated above should be added D. providentiae (Hickson & England, 1909) from off Providence Island in the Western Indian Ocean, collected at a depth of 125 fathoms (228 m). This species was originally placed in the genus Sporadopora, but the manner of arrangement of the gastropores and the dactylopores indicate that it presents at least some affinity to the genus Distichopora, and accordingly it may provisionally find a place here.
    Repository Name: National Museum of Natural History, Netherlands
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  • 7
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    Rhizocephala of Cura\xc3\xa7ao (1925)
    In:  Bijdragen tot de dierkunde vol. 24 no. 1, pp. 9-14
    Details
    Publication Date: 2024-01-12
    Description: The authors who have studied the Rhizocephala have a quite different opinion as to the limits of the species, especially those of the genus Sacculina. On the one side KOSSMANN (1874) and GIARD (1887, 1888) are convinced that every specimen of Sacculina found on a certain crab has to be separated specifically from those living on another host. On the other hand SMITH (1906) unites all the described species of Sacculina into one widely distributed species which has to keep the name Sacculina carcini. A better way in separating the forms of Sacculina into different species is without doubt the one avoiding both the extremes of the above-cited authors, as explained by GU\xc3\x89RINGANIVET (1911). Only in the cases where morphological structures of specific value are found the forms are to be regarded as different species. A more detailed account of the questions dealing with the difficulties of the species-problem in Sacculina will be published in the monograph on the Rhizocephala of the Siboga Expedition, now in preparation by Professor VAN KAMPEN and the present author. Here only may be pointed to some particularities found in the material dealt with in this paper.\nThe material collected by Dr. VAN DER HORST at Cura\xc3\xa7ao contains four specimens of Rhizocephalid parasites. Three of these belong to the genus Sacculina, the fourth is a representative of the genus Lernaeodiscus. All of these differ from the hitherto known species of the two genera and are therefore described as new species in this paper. Though the material is comparatively small it is of great interest since the three species of Sacculina have a quite different structure. In this paper the structure of the external cuticle is used as a base in the diagnosis of the species. Many species of Sacculina, especially those from tropical regions, possess appendages on this chitinous cuticle, which have in a certain specimen a well-defined form. The size of the appendages may be different in the various regions of the mantle (e. g. those in the neighbourhood of the stalk may be of smaller size than those next to the mantle-opening), but within certain limits the form of these appendages is constant. Already KOSSMANN (1874) made use of the appendages of the external cuticle in the diagnosis of his species, but most authors have not employed this method. Some years ago VAN KAMPEN (1919), however, pointed out that the principles of KOSSMANN\xe2\x80\x99s method could give good results in the taxonomy of this group.
    Repository Name: National Museum of Natural History, Netherlands
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  • 8
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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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  • 9
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    \xc3\x9cber den Trichterapparat der Larven von Megalophrys Montana Kuhl (1922)
    In:  Bijdragen tot de dierkunde vol. 22 no. 1, pp. 9-12
    Details
    Publication Date: 2024-01-12
    Description: W\xc3\xa4hrend eines Aufenthaltes in Tjibodas war ich in der Lage \xc3\xb6fters die Larven von Megalophrys montana zu bekommen. Prof. WEBER beschrieb diese eigent\xc3\xbcmlichen Larven zuerst (1888) von demselben Fundort, w\xc3\xa4hrend sie sp\xc3\xa4ter auch anderswo auf Java (VAN KAMPEN 1909) und auf der malayischen Halbinsel (ANNANDALE 1903) gefunden wurden \xc2\xb9).\nIn Tjibodas und in der Umgebung fand ich diese Larven an ruhigeren Stellen schnellfliessender wasserreicher B\xc3\xa4che, in einem beinahe trockenen T\xc3\xbcmpel, und in einem Sumpfe mit sehr langsam str\xc3\xb6mendem Wasser und dichter Vegetation. Die H\xc3\xb6he der Fundorte variierte von etwa 1400 bis 1600 Meter, sie befinden sich alle im Urwalde. In Dezember, Januar und April fand ich jedesmal Larven von 23 mm. Totall\xc3\xa4nge bis Larven mit wohlentwickelten Vorderbeinen, j\xc3\xbcngere Entwickelungsstadien habe ich leider nicht auffinden k\xc3\xb6nnen. Auffallend war der Gr\xc3\xb6ssenunterschied zwischen den Larven aus dem Sumpfe und denen von anderen Fundorten. W\xc3\xa4hrend die gr\xc3\xb6sseren Larven von den anderen Fundorten, bei denen die Bildung der Hinterbeine schon angefangen hatte, keine gr\xc3\xb6ssere L\xc3\xa4nge erreichten als 54 mm., waren die Larven aus dem Sumpfe viel gr\xc3\xb6sser und kr\xc3\xa4ftiger, sie erreichten eine Totall\xc3\xa4nge von 62 mm. WEBER gibt f\xc3\xbcr die Totall\xc3\xa4nge dieser Larven 45 mm. an, VAN KAMPEN fand Larven bis zu 54.5 mm., w\xc3\xa4hrend die L\xc3\xa4nge der gr\xc3\xb6ssten Larve von der malayischen Halbinsel nach BOULENGER (1912) ungef\xc3\xa4hr 40 mm. betrug. Nur in diesem Sumpfe fand ich diese kr\xc3\xa4ftigen Larven, und hier kamen keine gew\xc3\xb6hnlichen, kleineren Larven vor.
    Repository Name: National Museum of Natural History, Netherlands
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  • 10
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    The species problem in Millepora (1948)
    In:  Zoologische Verhandelingen vol. 1 no. 1, pp. 1-116
    Details
    Publication Date: 2024-01-12
    Description: CONTENTS\nI. Introduction............. 3\nII. Historical notes, including the successive views concerning the specific value of the growth forms.......... 6\nIII. The species of the genus Millepora........ 18\nIV. Synonymy and geographical distribution....... 23\nV. Discussion of the various characters for specific distinction .................................................... 44\nVI. Notes on specimens of Millepora from the islands Edam and Noordwachter in the Java Sea........... 71\nVII. Notes on specimens of Millepora in the Paris Museum ............................................................... 79\nVIII. Notes on specimens of Millepora in the Leiden Museum ............................................................. 86\nIX. Notes on specimens of Millepora in the Amsterdam Museum .................................................. 100\nLiterature............... 108\nI.\nINTRODUCTION\nAs a result of his studies on the growth forms of Millepora Hickson (1898 a, b, 1899) came to the conclusion that these various forms entirely are caused by different environmental factors, and that they are nothing else but manifestations of the extreme variability of the one species Millepora alcicornis L. Previously Hickson (1889) had seen more or less extreme growth forms on the reefs of North Celebes, and at that time he distinguished a more or less delicately branched growth form named by him Millepora alcicornis from a plate-like growth form named by him Millepora plicata. Now these growth forms are so strongly different that it seems a matter of fact that they are specifically distinct. Later, however, Hickson made an extensive study of material from expeditions and of
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