The Classification of Birds

This publication has 18 references indexed in Scilit:

• Notes On the Behavior of Some North American Gulls. Ii: Non-Aerial Hostile Behavior of Adults
  Behaviour, 1958
• SOME ASPECTS OF THE MUSOPHAGIDAE
  Ibis, 1958
• The Fossil Loon, Colymboides minutus
  Ornithological Applications, 1956
• Notes On the Behavior of Some North American Gulls. I. Aerial Hostile Behavior
  Behaviour, 1956
• The Relation of Metabolism to Climate and Distribution in Three Finches of the Genus Carpodacus
  Ecological Monographs, 1952
• The Jaws of the Cretaceous Toothed Birds, Ichthyornis and Hesperornis
  Ornithological Applications, 1952
• THE RELATIONSHIPS OF HYPOCOLIUS
  Ibis, 1949
• Distributional History of Eurasian Bullfinches, Genus Pyrrhula
  Ornithological Applications, 1949
• Two new species of hawks from the Miocene of Nebraska
  Proceedings of the United States National Museum, 1936
• Fossil Bird Remains from the Eocene of Wyoming
  Ornithological Applications, 1933