Archaeopteryx: Notice of a "New" Specimen

@article{Ostrom1970ArchaeopteryxNO,
  title={Archaeopteryx: Notice of a "New" Specimen},
  author={John Harold Ostrom},
  journal={Science},
  year={1970},
  volume={170},
  pages={537 - 538}
}
A fourth specimen of Archaeopteryx (cf. lithographica), the oldest known fossil bird, was recently found in the collections of the Teyler Museum in the Netherlands. Unique preservation of the horny sheaths of the manus claws provides new evidence that may be relevant to the question of the origins of avian flight. Tentative interpretation suggests a cursorial rather than arboreal origin. 
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Zur Fauna der Vorwelt: Reptilien aus dem lithographischen Schiefer des Jura in Deutschland und Frankreich