$9.49
Die Osteologie von Hyracodon Leidy (German Edition)
VII. HYRACODON PETERSONI, A NEW CURSORIAL RHINOCEROS FROM THE LOWER OLIGOCENE.
The holotype and would-be holotypes of Hyracodon nebraskensis (Leidy, l850) (Notulae naturae of the Academy of Natural Sciences of Philadelphia)
I. New Amynodonts in the Marsh collection: II. New species of Hyracodon : III. Caenopus, the ancestral rhinoceros