Hitherto unpublished plates of Tertiary Mammalia and Permian Vertebrata,
Hitherto unpublished plates of Tertiary Mammalia and Permian Vertebrata, Public domain photograph of animal skeleton, zoology, free to use, no copyright restrictions image - Picryl description
Hitherto unpublished plates of Tertiary Mammalia and Permian Vertebrata, Public domain photograph of zoological drawing, animal anatomy, skeleton, free to use, no copyright restrictions image - Picryl description
Hitherto unpublished plates of Tertiary Mammalia and Permian Vertebrata, Peraceras superciliosus
Odontornithes: a monograph on the extinct toothed birds of North America; with thirty-four plates and forty woodcuts,