- The Skull and Brain-Case of Pithecanthropus
- A hunter using an atlatl
- A Grazing Bison, Delicately and Carefully Drawn, Engraved on a Wall of the Altamira Cave, Northern Spain
- Neolithic or New Stone Age Man
- Diagram Showing the Duration of the Neolithic Period
- Nautilus
- Skeleton of an Extinct Flightless Toothed Bird, Hesperornis
- Skulls of Dinosaurs, illustrating the principal types
- A Reindeer Age Masterpiece
- Palæomastodon
- molars of elephants
- Neanderthal Man
- Outline sketch restoration of Triceratops
- Skulls of Iguanodont and Trachodont Dinosaurs
- Cephalaspis and Loricaria, an Ancient and a Modern Armored Fish
- 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)
- Primitive Sledge
- The Largest Known Dinosaur
- Bronze Age
- Prehistoric Whistle
- Pithecanthropos Erectus
- Miocene Mammals
- The oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor Traquair
- Some Mesozoic Reptiles
- The Archæopteryx
- Eoanthropos
- Restoration of a Lake Dwelling
- The Sub-Man Pithecanthropus
- Phororhacos, a Patagonian Giant of the Miocene
- Outline Restorations of Dinosaurs
- Primitive Bread Making
- A Menhir of the Neolithic Period
- Hind Feet of Dinosaurs
- Early Stone Implements
- Hut Urns
- 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
- American Mastadon
- Reindeer Age Engravings and Carvings
- A Mammoth Drawn on the Wall of the Font-de-Gaume Cavern
- Genealogical tree of animals
- Pottery from Lake Dwellings
- Skeleton of a Radiolarian Very Greatly Enlarged
- A Great Sea Lizard Tylosaurus Dyspelo
- Triceratops - A Huge Extinct Reptile
- The Mastodon
- Pterodactyls
- Life in the Later Palæozoic Age
- Pariasaurus - An Extinct Vegetarian Triassic Reptile
- Australian Lung Fish
- Some Reptiles of the Late Paleozoic Age
- Drawing of the skull and lower jaw of the Meritherium, discovered by Dr. Andrews in the Upper Eocene of the Fayum Desert.