dcsimg
BHL has entered a new chapter. Learn more.
Sort By:
  1. By: Cockerell, Theodore D. A. (Theodore Dru Alison), - Lutz, Frank Eugene,
    Publication info: New York City, The American Museum of Natural History, [1933]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.57,99(78)  Bees  Classification  Insects  Rocky Mountains
  2. By: Rodeck, Hugo G. - Lutz, Frank Eugene,
    Publication info: New York City, The American Museum of Natural History, [1931]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.57,99(78)  Bees  Classification  Insects  Nomada  Rocky Mountains
  3. By: Cockerell, Theodore D. A. (Theodore Dru Alison), - Sumner, Ruth. - Lutz, Frank Eugene,
    Publication info: New York City, The American Museum of Natural History, [1931]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.57,99(78)  Bees  Classification  Hylaeus  Insects  Rocky Mountains