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Yellow Warbler, illustration by Louis Agassiz Fuertes from a book
Woodchuck's burron, illustration from a printed book
Western Longtail Mouse and Longtailed Jumping Mouse, copy of a photograph from a book
Two black bears in cage, Bear group
Two black bears in cage, Bear Group
Two black bears in cage, Bear group
Two black bears in cage, Bear group
Two black bears in cage, Bear group
Two black bears in cage, Bear group
T.S. Roberts Photographs and Negatives (3 of 3) (Box 71, Folder 3)
T.S. Roberts Photographs and Negatives (2 of 3) (Box 71, Folder 2)
T.S. Roberts Photographs and Negatives (1 of 3) (Box 71, Folder 1)
Triceratops, three quarter view, University of Minnesota habitat group
Triceratops, side view, University of Minnesota habitat group
Triceratops molds for habitat group at the University of Minnesota
Triceratops molds for habitat group at the University of Minnesota
Tracks of weasel, illustration from National Geographic Magazine
Tracks of skunk, illustration from National Geographic Magazine
Tracks of shrew and meadow mouse, illustration from National Geographic Magazine
Tracks of raccoon, illustration from National Geographic Magazine
Tracks of rabbit, image from National Geographic Magazine
Tracks of rabbit and crow, illustration from National Geographic Magazine
Tracks of muskrat, illustration from National Geographic Magazine
Tracks of Indian, white man, woman, boy, grizzly and black bear, image from National Geographic Magazine
Tracks of eighteen birds and animals, image from National Geographic Magazine
Tracks of dog trotting, illustration from a printed publication
Tracks of dog galloping, illustration from National Geographic Magazine
Tracks of deer, illustration from National Geographic Magazine
Tracks of cow walking, illustration from National Geographic Magazine
Tracks of chipmunk, illustration from National Geographic Magazine
Tracks of cat and bird, illustration, image from National Geographic Magazine
Thomas Henry Huxley at 68, portrait, image from a printed publication
Thomas Henry Huxley at 65, portrait, image from a printed publication
Thomas Henry Huxley, 1857, at 35, portrait, image from a printed publication
Thirteen-striped Ground Squirrel, illustration from Ernest Thompson Seton's "Life-histories of Northern Animals," 1909
Third glacial epoch, chart from a printed publication
Termites, young king and queen digging burrows, illustration from a printed book
Termites, wood ingestion in Trichonympha campanula from intestine of termite, illustration from the Biological Bulletin
Termites, Trinervitermes biformis, large and small soldier, illustration from a printed book
Termites, Termitophilous staphylinid, illustration from a printed publication
Termites, Termitophilous staphylinid, illustration from a printed publication
Termites, Termitophilous fly, illustration from a printed publication
Termites, termitarium in forest, Belgian Congo, image from a printed book
Termites, termitarium 35 ft. high in the Kenya Colony, Africa, image from National Geographic Magazine
Termites, Termes transvaalensis, royal chamber and fungus gardens,illustration from a printed publication
Termites, Termes redemanni, queen, image from a printed book
Termites, Termes redemanni, mushrooms developing from fungus garden, image from a printed publication
Termites, Termes redemanni, lateral section of nest showing fungus gardens, image from a printed publication
Termites, Termes notalensis, royal chamber showing king, queen, workers, image from a printed book
Termites, Termes lucifugus, substitute royalty, nymph, illustration from a printed book