| Introduction | |
| 1 | Palaeontology |
| Expeditions | |
| 2 | Bone Field on Talbot Hill, 10 miles from Canon City, Colo. |
| Photographers | |
| 3 | Exhibitions: 1855 Crystal Palace - Models of Extinct Animals |
| 4 | James Deane: Ichnographs from the sandstone of Connecticut River (1861) |
| Introduction | |
| 1 | Palaeontology |
| Expeditions | |
| 2 | Bone Field on Talbot Hill, 10 miles from Canon City, Colo. |
| Photographers | |
| 3 | Exhibitions: 1855 Crystal Palace - Models of Extinct Animals |
| 4 | James Deane: Ichnographs from the sandstone of Connecticut River (1861) |