Keyserling sentence example

keyserling
  • Carrying on the work from the anatomical point at which he had left it, correcting his errors, and utilizing to the fullest extent the observations of Keyserling and Blasius, to which reference has already been made, Muller, though hampered by mistaken notions of which he seems to have been unable to rid himself, propounded a scheme for the classification of this group, the general truth of which has been admitted by all his successors, based, as the title of his treatise expressed, on the hitherto unknown different types of the vocal organs in the Passerines.
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  • Just as Nitzsch had laboured under the disadvantage of never having any example of the abnormal Passeres of the New World to dissect, and, therefore, was wholly ignorant of their abnormality, so Muller never succeeded in getting hold of an example of the genus Pitta for the same purpose, and yet, acting on the clue furnished by Keyserling and Blasius, he did not hesitate to predict that it would be found to fill one of the gaps he had to leave, and this to some extent it has been since proved to do.
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