Sort By:
  1. The carapace and plastron of Basilemys sinuosus, a new fossil tortoise from the Laramie beds of Montana / By Elmer S. Riggs -- ; Oliver Cummings Farrington --
    By: Riggs, Elmer S., - Farrington, Oliver C. - Field Columbian Museum.
    Publication info: Chicago :Field Columbian Museum ,1906.
    Contributed by: University of Illinois Urbana Champaign
    View Book
  2. The geological history and evolution of the horse / by Elmer S. Riggs, Assoc. Curator of Paleontology.
    By: Riggs, Elmer S., - Field Museum of Natural History.
    Publication info: Chicago :Field Museum of Natural History,1932.
    Contributed by: Field Museum Library
    BHL Collections: Field Museum Library
    View Book
  3. Mounted skeleton of Homalodotherium / by Elmer S. Riggs --
    By: Riggs, Elmer S.,
    Publication info: Chicago :Field Museum of Natural History,1937.
    Contributed by: University of Illinois Urbana Champaign
    View Book
  4. The Mylagaulidæ; an extinct family of sciuromorph rodents / by Elmer S. Riggs, A.M., Asst. Curator, Dept. of Geology ; Oliver Cummings Farrington, Ph.D., Curator, Dept. of Geology.
    By: Riggs, Elmer S., - Farrington, Oliver C.
    Publication info: Chicago :Field Columbian Museum,1899.
    Contributed by: University of Illinois Urbana Champaign
    View Book
  5. New or little known titanotheres from the lower Uintah formations, with notes on the stratigraphy and distribution of fossils / By Elmer S. Riggs -- Oliver Cummings Farrington --
    By: Riggs, Elmer S., - Farrington, Oliver C. - Field Museum of Natural History.
    Publication info: Chicago :Field Museum of Natural History ,1912.
    Contributed by: University of Illinois Urbana Champaign
    View Book
  6. Preliminary description of a new marsupial sabertooth from the Pliocene of Argentina / by Elmer S. Riggs --
    By: Riggs, Elmer S.,
    Publication info: Chicago :Field Museum of Natural History ,1933.
    Contributed by: University of Illinois Urbana Champaign
    View Book
  7. Preliminary description of two Lower Miocene carnivores / by Elmer S. Riggs --
    By: Riggs, Elmer S.,
    Publication info: Chicago :Field Museum of Natural History ,1942.
    Contributed by: University of Illinois Urbana Champaign
    View Book
  8. A skeleton of Astrapotherium / by Elmer S. Riggs --
    By: Riggs, Elmer S.,
    Publication info: Chicago :Field Museum of Natural History,1935.
    Contributed by: University of Illinois Urbana Champaign
    View Book
  9. Some early Miocene carnivores / by Elmer S. Riggs --
    By: Riggs, Elmer S.,
    Publication info: Chicago :Field Museum Press ,1945
    Contributed by: University of Illinois Urbana Champaign
    View Book
  10. A specimen of Elasmosaurus serpentinus / by Elmer S. Riggs --
    By: Riggs, Elmer S.,
    Publication info: Chicago :Field Museum of Natural History,1939.
    Contributed by: University of Illinois Urbana Champaign
    View Book