- The Missourium of Koch, from a Tracing of the Figure Illustrating Koch's Description
- Hesperornis, the Great Toothed Diver
- Hesperornis
- The gigantic three-horned Reptile, Triceratops
- The Track of a Three-toed Dinosaur
- Life in the Early Palæozoic
- Some Late Mesozoic Reptiles
- Thespesius, a Common Herbivorous Dinosaur of the Cretaceous
- Map of Europe 50,000 Years Ago
- Archæopteryx
- Cro-magnon Man
- Skeleton of Triceratops
- Head of the ancestral elephant
- Early Pleistocene Animals, Contemporary with Earliest Man
- Koch's Hydrarchus. Composed of Portions of the Skeletons of Several Zeuglodons
- Head of the early ancestor of elephants
- Tooth of Mastodon and of Mammoth
- A Single Vertebra of Brontosaurus
- A Hind Leg of the Great Brontosaurus, the Largest of the Dinosaurs
- The Development of the Horse
- Time-chart 6000 B.C. to A.D.
- The Three Giants, Phororhacos, Moa, Ostrich
- Young Hoactzins
- Skull of Ceratosaurus
- Skeleton of the Mammoth in the Royal Museum of St. Petersburg
- Skeleton of the Modern Horse and of His Eocene Ancestor
- The Mammoth as Engraved by a Primitive Artist on a Piece of Mammoth Tusk
- Diagram to Illustrate the Riddle of The Piltdown Sub-man.
- The Horned Ceratosaurus, a Carnivorous Dinosaur
- Some Oligocene Mammals
- Neolithic Implements
- Bronze Age Implements
- Skull of Phororhacos Compared with that of the Race-horse Lexington
- Leg of a Horse Compared with that of the Giant Moa