- Cenozoic mammals - Canis Dirus
- The Toxodon
- Machairodus, the Sabre-toothed Tiger
- Flying dinosaurs - Pteranodon
- Great Extinct Bul
- Mammoth
- Sketch of a coprolite—fossilized animal excrement
- Dendrites—a typical pseudofossil
- Sketch of a gastrolith—the gizzard stone of an ancient reptile
- Cotylosaur
- Bilateral symmetry in fossil brachiopod
- Type of Huts suggested by Magdalenian drawings 2
- Cenozoic mammals - Pliohippus
- Cenozoic mammals - Woolly Rhinoceros
- Cenozoic mammals - Mylodonjpg
- Typical radiolarians
- Flying dinosaurs - Rhamphorhynchus
- Typical Pennsylvanian crinoidal limestone
- Cretaceous cephalopods
- The Cro-Magnon Man
- Cenozoic mammals - Woolly Mammothjpg
- Fossil Identificaton Chart - I Radial Symmetry
- Cenozoic mammals - Glyptodon
- Spears and Harpoons
- Shaft-straightening
- Round-headed Ofnet Man
- Ornithischian dinosaurs - Paleoscincus
- Fossil plants—tracheophytes
- Type of Huts suggested by Aurignacian drawings
- Types of symmetry in a fossil coral
- Cenozoic mammals - Dinobastis
- Typical Texas Foraminifera
- Saurischian dinosaurs - Brontosaurus
- Two extinct attached echinoderms
- Morphology and principal parts of trilobites
- Cenozoic mammals - Entelodont
- Swimming Reptiles - Ichthyossaur
- Swimming Reptiles - Mosasaur
- Fossil starfishes, crinoids, and holothurian sclerites
- Fossil collecting Equipment
- The Kayak
- Fossil Identificaton Chart - II Bilateral Symmetry
- Saurischian dinosaurs - Allosaurus
- The Spokeshave
- Ornithischian dinosaurs - Triceratops
- Tertiary gastropods
- Ornithischian dinosaurs - Stegosaurus
- The Dance
- The formation of river terraces
- The Bow-drill
- The Pitfall
- Swimming Reptiles - Plesiosaur
- Tertiary mammals - Uintatherium
- Typical modern crinoid
- Primitive Amphibian
- Solutrean Flints
- Tertiary mammals - Brontotherium
- Phytosaur - Crocodile like reptile
- Fossil Identificaton Chart - III No apparent Symmetry
- Rhinoceros tichorhinus, the wooly-coasted Rhinoceros