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  1. By: Mason, John James,
    Publication info: Newport, R.I, 1879-1880
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Amphibians  Nervous system  Photography, Biological  Reptiles
  2. By: Patton, David R. - Scott, Virgil E. - Boeker, Erwin L. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1972
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Chronophotography  Photography, Biological