27 research outputs found

    Notas sobre la filogenia de los equidos y en especial del Hipparion

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    Heinrich Balss, Albertus Magnus als Biologe. Werk und Ursprung

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    Pirlot Paul. Heinrich Balss, Albertus Magnus als Biologe. Werk und Ursprung. In: Revue Philosophique de Louvain. Troisième série, tome 50, n°28, 1952. pp. 630-631

    J. Muñoz, Como nació la vida ?

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    Pirlot Paul. J. Muñoz, Como nació la vida ? . In: Revue Philosophique de Louvain. Troisième série, tome 48, n°17, 1950. pp. 159-161

    Sujet de thèse en cours : Excitation collisionnelle des molécules interstellaires

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    supervisor François Lique (department of molecular physics)sous la direction de François Lique dans le département de physique moléculair

    Heinrich Balss, Albertus Magnus als Biologe. Werk und Ursprung

    No full text
    Pirlot Paul. Heinrich Balss, Albertus Magnus als Biologe. Werk und Ursprung. In: Revue Philosophique de Louvain. Troisième série, tome 50, n°28, 1952. pp. 630-631

    J. Muñoz, Como nació la vida ?

    No full text
    Pirlot Paul. J. Muñoz, Como nació la vida ? . In: Revue Philosophique de Louvain. Troisième série, tome 48, n°17, 1950. pp. 159-161

    Collisional excitation of radical molecules in the interstellar medium

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    International audienc

    Volumetric comparisons of brain structures in bats (an attempt at a phylogenetic interpretation)

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    Bats show, in spite of the unity which they derive from the unique possession of flight-ability, remarkable differences in their encephalization (Pirlot & Stephan, 1970). These differences were found to be more closely related to feeding habits than to systematic relationships. The brains of the insect hunting species show the lowest degree of encephalization when treated with the allometry formula. Then, in ascending order, come the nectarfeeders, the frugivorous Microchiroptera, the fisheaters, the vampires and finally the frugivorous Megachiroptera. The present analysis of a variety of parts of the brain confirm the close relationships between characteristics of the brain and feeding habits. Therefore, in spite of the relatively restricted material, an attempt was made to interpret this surprising interdependence, its possible causes and ways of phylogenetic development
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