- The Skull and Brain-Case of Pithecanthropus
- Peripatus novæ zealandiæ
- A hunter using an atlatl
- Neolithic or New Stone Age Man
- A Grazing Bison, Delicately and Carefully Drawn, Engraved on a Wall of the Altamira Cave, Northern Spain
- Diagram Showing the Duration of the Neolithic Period
- Prehistoric Men Attacking the Great Cave Bears
- Nautilus
- Skulls of Dinosaurs, illustrating the principal types
- Skeleton of an Extinct Flightless Toothed Bird, Hesperornis
- A Reindeer Age Masterpiece
- Palæomastodon
- molars of elephants
- Neanderthal Man
- Cephalaspis and Loricaria, an Ancient and a Modern Armored Fish
- Outline sketch restoration of Triceratops
- Skulls of Iguanodont and Trachodont Dinosaurs
- Pterichthys, the Wing Fish
- Skeleton of Tyrannosaurus in comparison with human skeleton
- Mammoth Hunt
- Cro Magnon
- Skulls of Horned Dinosaurs
- Myotragus
- The walking-fish or mud-skipper (Periophthalmus)
- Scene from the Prehistoric World - Early Ice Age
- Primitive Sledge
- The Largest Known Dinosaur
- Prehistoric Whistle
- Bronze Age
- Pithecanthropos Erectus
- Palæolithic Men Attacking Cave Bear
- Miocene Mammals
- The oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor Traquair
- Eoanthropos
- Some Mesozoic Reptiles
- The Archæopteryx
- Restoration of a Lake Dwelling
- Phororhacos, a Patagonian Giant of the Miocene
- The Sub-Man Pithecanthropus
- Outline Restorations of Dinosaurs
- Primitive Bread Making
- A Menhir of the Neolithic Period
- Early Stone Implements
- Hind Feet of Dinosaurs
- Hut Urns
- Group of reindeer drawn upon a piece of slate
- Where a Dinosaur Sat Down
- A Tooth of Zeuglodon, One of the 'Yoke Teeth,' from which it derives the name
- Nature's Four Methods of Making a Wing - Bat, Pteryodactyl, Archæopteryx, and Modern Bird
- Reindeer Age Articles
- Reindeer Age Engravings and Carvings
- American Mastadon
- Prehistoric carving
- Genealogical tree of animals
- A Mammoth Drawn on the Wall of the Font-de-Gaume Cavern
- Pottery from Lake Dwellings
- Skeleton of a Radiolarian Very Greatly Enlarged
- A Great Sea Lizard Tylosaurus Dyspelo
- Triceratops - A Huge Extinct Reptile
- Australian Lung Fish