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  1. By: Naturforschende Gesellschaft zu Freiburg i. B.
    Publication info: Freiburg i. B,
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  2. By: Naturforschende Gesellschaft zu Freiburg i. B. - Gruber, August, - Gerhardt, K.,
    Publication info: Freiburg i. B,
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library