Abstract
THE origin of vertebrate animals is to be found according to many morphologists in those invertebrates which are composed of a series of segments, and one of the chief arguments in favour of this view has always been the fact that the spinal nerves are arranged segmentally. It has, however, long been felt that the cranial nerves ought to give evidence of a segmental arrangement as clearly as the spinal before it is possible to speak of a segmentation based upon the arrangement of the nervous system; and indeed many ingenious tables have been manufactured by morphologists in order to bring the cranial nerves into the same system as the spinal. The failure of these attempts is to my mind due largely to the following reasons:—
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GASKELL, W. On the Comparison of the Cranial with the Spinal Nerves . Nature 38, 19–20 (1888). https://doi.org/10.1038/038019b0
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DOI: https://doi.org/10.1038/038019b0