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- Sketch of a gastrolith—the gizzard stone of an ancient reptile
- Sketch of a coprolite—fossilized animal excrement
- Geologic time scale
- Cenozoic mammals - Canis Dirus
- Australian Lung Fish
- The Saurian Age
- Reconstruction of coal-forming swamp
- Some Mesozoic Reptiles
- The oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor Traquair
- Woolly mammoth
- Limits of ice age glaciers
- Scene from the Prehistoric World - Early Ice Age
- The walking-fish or mud-skipper (Periophthalmus)
- Extent of the main glacial advances
- Hopi curved stick
- Pterichthys, the Wing Fish
- Pictographs
- Cephalaspis and Loricaria, an Ancient and a Modern Armored Fish
- molars of elephants
- Palæomastodon
- Paint mortar, Diam 2½″.
- Small bowl
- Stone axe
- Handled mortar
- Braided handle
- Prehistoric Men Attacking the Great Cave Bears
- Prehistoric Man
- Fetish
- Stone Age Man
- Fetish
- Priest smoking
- Frog fetish
- Problematical Animal
- Man with curved stick
- Grasshopper
- Problematic Animal
- Unidentified animal
- Frog
- Fish
- Dancing Figure
- Fawn
- Hunters
- Fishes
- Mountain Sheep
- Bird F
- Bird A
- Bird C
- Bird B
- Two Wolves