Indices encéphaliques et distances interspécifiques chez les Insectivores et les Primates. I. Encéphale et télencéphale

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Abstract
The interspecies distances calculated from the encephalic or telencephalic equiponderant indices agree with the classical taxonomic groupings, but they necessitate the resurrection of the old order Menotyphla (Insectivora, Macroscelididae and Tupaiiformes). They gather together some species presenting convergent adaptations (Talpa and Chlorotalpa; semiaquatic insectivores) but do not make possible the distinction between these adaptations and phylogenetic inertia. Among these species which are less close to species of their own grown than to species of other groups, this characteristic is due to their global level of encephalization. Only the Cebinae are structurally closer to the Cercopithecoidea than to the other Ceboidea.

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