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Keywords from Image Description:
Myriapoda of North America plate II. en Fig Iulus Immaculatus Iulus Pennsylvanicus This figure is scarcely hairy enough and not sufficiently acutely mucronate Iulus Venustus Head of the Male of same Head of the Female Iulus Canadensis Iulus canaliculars Brachycybe Le Contii Polydesmus Canadensis polydesmus granulatus polydesmus