dcsimg
Please read BHL's Acknowledgment of Harmful Content
Status Update: Internet Archive continues to perform maintenance on archive.org. BHL services may be occasionally affected until IA services are fully restored. More information.
Sort By:
  1. By: Isert, Arthur
    Type: Article
    In: Archiv für Naturgeschichte
    Volume: 69
    Issue: 1
    Date: 1903
    Page Range: 237--296
    Publication Info: Berlin, Nicolai, 1835-