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| Registros recuperados: 101 | |
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| Yabe, H.; Hanzawa, S.. |
| Foraminifera are found in the Palaeozoic and Mesozoic deposits of the Netherlands East Indies. Palaeozoic forms have been described or recorded from Sumatra, Timor, Luang, and Letti, while Mesozoic ones are known not only from those islands, but also from Borneo, Java, Rotti, Halmaheira, Sula, Ceram, Great Obi, and New Guinea (?). All the Palaeozoic and Mesozoic forms, generically distinguished, are listed below, with citation of the localities and geological ages. In this list the genera except in the case of Family Fusulinidae, are arranged after J. A. Cushman's system, set forth in his „Foraminifera, their Classification and Economic Use”, 1928. Regarding this family, we rather prefer the classification of C. O. Dunbar and G. E. Condra (Bibl. 8a) to... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505689 |
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| Kruizinga, P.. |
| In arranging a list of fossil Cephalopoda of the Malayan Archipelago it soon proved that the bulk were found on Timor. On some of the other islands viz. Rotti, the Sula islands, Taliabu and Mangoli, Buru, the Misol Archipelago and Sumatra a good deal have been found also. The oldest informations on the occurrence in the Archipelago date from 1705. Rumphius described (jurassic) belemnites or dactyli idaei as he called them which were found on the island Taliabu. That old information is important as later it was the direct cause of the carrying out of further investigations on the Sula islands and in the Molucs (Verbeek, Boehm, Siboga expedition). Important material has already been found there (Brouwer, Boehm) and these discoveries are sufficient to suppose... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505878 |
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| Pannekoek, A.J.. |
| In dem Fossilverzeichnis sind die Arten in der Regel unter dem Namen aufgeführt den sie in der neuesten bei der Art zitierten Arbeit tragen ¹). Wenn eine Art in früheren Arbeiten über Niederländisch Indien anders benannt worden ist, so findet man die Nummern dieser älteren Arbeiten doch hinter dem neueren Artnamen. Der ältere, hinfällige Name ist in solchen Fallen in einer Bemerkung zu finden, ausserdem aber ist er auch in dem Artenverzeichnis aufgenommen, aber dort nur von einem Hinweis nach dem neueren Namen versehen, wo man also die zugehörige Literatur findet. Wenn von einer früher beschriebenen Art einige wenige Exemplare nach neuerer Bearbeitung zu einer anderen, schon vom selben Fundort bekannten Art gebracht worden sind, so sind diese wenigen... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505703 |
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| Wanner, J.. |
| Eine Zusammenstellung der fossilen Echinodermen des ostindischen Archipels gibt heute selbstverständlich auch nicht annähernd ein getreues Bild von dem wirklichen Umfange der Echinodermenfaunen, welche in den uns zugänglichen Ablagerungen dieser ausgedehnten Inselwelt begraben sind. Dafür ist die letztere noch viel zu wenig erforscht. Der älteste Vertreter der Echinodermen, den wir aus dem ostindischen Archipel zur Zeit kennen, ist eine von Dr. Tan beschriebene, aber noch nicht veröffentlichte und daher in der folgenden Liste noch nicht aufgeführte Poteriocriniden-Art aus dem Oberkarbon von Djambi (Sumatra). Präkarbonische Echinodermen sind möglicherweise aus Neu-Guinea zu erwarten, aber im ganzen übrigen Archipel scheint nach Allem, was wir heute über das... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505988 |
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| Beaufort, L.F. de. |
| In the following list of fishes and reptiles, known to occur as fossils in the Indoaustralian Archipelago, I have chiefly followed Smith Woodward (Bibl. 18) for the taxonomy. The teleosts, however, have been arranged according to Boulenger (The Cambridge Natural History, Vol. VII, 1904), with some slight alterations. I have not strictly followed the rules of zoological nomenclature and f. i. not changed Macrurus into Coryphaenoides. Palaeontologists are more conservative in this respect, and probably they are right. |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505950 |
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| Maarel, F.H. van der. |
| In connection with the particular nature of the present subject not only those publications have been used, which deal with the original type specimens or which mention the discovery from another locality, but also every publication in which new remains of the species have been described ¹). In general no use has been made of preliminary notes. An exception had to be made for those notes which hitherto have not been followed by definite descriptions. |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505589 |
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| Posthumus, O.. |
| The following enumeration contains the fossil plants, found not only in the Dutch territory, but also in the adjacent countries, the Malay Peninsula, British Borneo, Portuguese Timor and the Eastern part of New Guinea. The Philippine islands have not been considered. The classification used, is from Engler and Prantl, as given in the „Die Natürlichen Pflanzenfamilien” and the „Syllabus” of the former author. The species of flowering plants are placed in alphabetical order in the families; the species in the other classes have been arranged in larger groups. Only in some cases, still living plants were mentioned in the literature under obsolete names; in this case the fossils have been given their present names. Of the recent plants the present distribution... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505690 |
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| Krijnen, W.F.. |
| For the compilation of the map of fossil localities I have followed the example of Dr. A. Tobler (bibl. 194), arranging the localities according to age. The localities from which more than one formation has been recorded, are numbered for the oldest formation found. In the list these numbers are repeated in brackets under the heading of the other younger formations that have also been found. Thus brackets around a number are an indication that older sediments are known from the same locality. In those fossil localities are included that occur on Dutch territory and from which a collection of the fossils has been described. Vague indications in preliminary reports have not been taken into account. |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505607 |
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| Brouwer, H.A.. |
| Our knowledge of the stratigraphy of the young-paleozoic and particularly of the post-paleozoic rocks of the Netherlands East Indies is fairly extensive. Very little is known about the older paleozoic. Older paleozoic sediments are mentioned on various occasions, but the determination of the age of the rocks is mostly based on an assumption, that is made more ore less probable by the stratigraphic relation to younger fossil-bearing rocks, and not by the actual fossils, which are typical for that formation. The metamorphic rocks, which are exposed over large areas, were considered by early investigators as to belong to a very early epoch of geologic history: mostly pre-cambrian. A few fossils proved the presence of younger metamorphic rocks since. Part of... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505691 |
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| Wanner, J.. |
| Die Geologie des ostindischen Archipels hat im Laufe der letzten Jahrzehnte so beträchtliche Fortschritte aufzuweisen, dass es von Jahr zu Jahr schwieriger wird, den neuen Tatsachen und Erkenntnissen zu folgen. Auch die Stratigraphie der mesozoischen Ablagerungen dieses ausgedehnten Gebietes hat sich so rasch weiter entwickelt, dass selbst die neuesten stratigraphischen Uebersichten in den bekannten, zusammenfassenden Werken von Brouwer (21) und Rutten (86) heute in manchen Teilen schon wieder veraltet sind. Eine erneute Zusammenfassung dürfte daher nicht ohne Nutzen sein. Aus diesem Grunde bin ich gerne der Aufforderung nachgekommen, diese Aufgabe hier zu übernehmen, beschränke mich aber auf die Wiedergabe des heute vorliegenden Tatsachenmaterials, so... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505705 |
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| Umbgrove, J.H.F.. |
| In his review of the palaeozoology of Java, K. Martin could in 1919, record 49 foraminifera from tertiary strata of Java, on the strength of a critical study of the existant literature, and especially on the strength of his own studies and knowledge of the above mentioned fossils (Bibl. 49). In composing the following list of the Foraminifera I have only been able to perform such a critical study for a few families. For the greater part, however, I have had to restrict myself to recording the results obtained by others, and even therein I have been obliged to restrict myself. |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505889 |
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| Rutten, L.M.R.. |
| The number of fossils that have been described from the Netherlands Territory in America is not very large. The descriptions are, however, scattered over a rather large number of publications, many of which will be found only incidentally by a reader who occupies himself intensely with the geological literature on the Antilles. It has therefore seemed to me to be a useful work to gather the data on these fossils as completely as possible, and the making of this catalogue has been especially agreeable to me, as a very large part of the fossils under discussion have been collected by Prof. Martin, in whose honour this book is edited. Some remarks may precede the catalogue. |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505964 |
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| Molengraaff, G.J.H.. |
| The oldest sediments on Curaçao are jasper¹), diabasetuff, siliceous slates²), radiolarian chert³), quartzporphyrite-crystal tuffs, porphyritecrystal tuffs, lithic porphyrite tuffs, tuffites, tuffite breccias, aphanitic crystal tuffs, tuffite-shales, graywacke-shales and graywackes4). This group of rocks — the Knip-series — is named after the plantation Knip. The stratigraphic sequence of the Knip-series is difficult to ascertain. They are intensively folded¹). I believe it would be safe to assert, that the oldest sediments of this series are jasper and diabase tuffs. The North limb of the anticlinorium in North-West Curaçao is very intensively folded, the South limb, however, in lesser degree, so that on the plantations Sint Jan, Groot St. Martha, St.... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505650 |
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| IJzerman, R.. |
| In the following a survey is given of what is known at present about the geology and petrology of Surinam. It must be understood that this outline cannot but be incomplete; in the first place because quantitatively our knowledge of Surinam is highly inadequate, and secondly because the same may be said concerning the insight into the geological relations between the different formations. Vast regions of Surinam have never been explored while besides in extensive areas exposures are very scarce. Interest in Geology, Mining, Topography and the research in the province of General Natural Science have directly or indirectly contributed to our knowledge. In the past century our knowledge principally grew by purely geological exploration. In this period fall... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505726 |
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| Pijpers, P.J.. |
| Before the visit of Prof. Rutten and his students in 1930, only once geological investigations were made on Bonaire. These took place in 1885, when Prof. Martin paid a short visit to the island. Though the stay of Prof. Martin on Bonaire lasted only four days, he nevertheless succeeded in composing a rough scheme of the geology of the island. I am very glad and I count it as an honour to have the opportunity of prosecuting the work of Prof. Martin. A visitor to Bonaire must, even before reaching the road of Kralendijk, observe the great topographical difference between the northern and the southern part of the island. One does not say too much when one asserts that Bonaire consists of two totally different parts. Of these, the northern part is higher and... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505626 |
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| Westermann, J.H.. |
| In the beginning of the year 1885 Aruba was surveyed as to its geology by K. Martin. Although this surveyer stayed only a few days on the island he succeeded in obtaining a clear view of the general geological features¹). It is, however, very well understandable that during our stay²) some corrections could be introduced in the geological map of Aruba and in the older ideas concerning the genesis of some rocks. Beside the above quoted publication by Martin some other geological literature about the island exists; the latter is not worth mentioning here being of no great importance. |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505804 |
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| Molengraaff, G.A.F.. |
| The author has paid a short visit to the island of Saba in the month of April 1885. Saba is the northernmost of the curved row of neovolcanic islands, which stretches from Saba towards Grenada and the Grenadines. This row of islands together with a more or less parallel, though much less marked, outer curved row of non-volcanic islands separate the Caribbean Deep from the Atlantic Ocean. The island Saba is the upper portion of a much denuded volcanic cone, which rises to a height of 850 m. above sea-level, from a depth of over 600 m. Saba lies at a distance of 4 km., from the northeastern rim of the Saba-bank. The latter forms a remarkable submarine plateau, about 2100 km² in extent. The Saba bank is very flat, and shallow, its depth being partly somewhat... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505985 |
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| Hok, Tan Sin. |
| Notwithstanding the fact that representants of this group were already known to Prof. C. G. Ehrenberg, the great micropaleontologist of the first half of the 19th century and subsequent authors have mentioned them from various localities, they have remained almost unknown. Their organic nature too has not always been recognised. In 1843 Prof. Ehrenberg referred them to his group „Polygastern” with the name Actiniscus; in his „Microgeologie”, however, they were considered as inorganic bodies and mentioned as „Crystalldrusen"", „Seheibensternchen"" or „Crystalloids"" (Bibl. 2, p. 115, p. 156, etc.). Very accurate descriptions of these forms are given by Mr. Hill from Barbados, where they are found in the calciferous oceanic deposits lying under the famous... |
| Tipo: Article / Letter to the editor |
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| Ano: 1931 |
URL: http://www.repository.naturalis.nl/record/505762 |
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| Registros recuperados: 101 | |
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