1. Human Jaw-bone found at Moulin-Quignon, near Abbeville, in 1863 18 2. Skull of a Man belonging to the Stone Age (The _Borreby Skull_) 27 3. Skull of the Gorilla 28 4. Skull of the Orang-Outang _ib._ 5. Skull of the Cynocephalus Ape 29 6. Skull of the _Macacus_ Baboon _ib._ 7. The Production of Fire (whole page engraving). 8. _Dendrites_ or Crystallisations found on the Surface of wrought Flints 46 9. Section of a Gravel Quarry at Saint-Acheul, which contained the wrought Flints found by Boucher de Perthes 47 10. Hatchet of the _Almond-shaped_ type from the Valley of the Somme 48 11. Flint Hatchet from Saint-Acheul of the so-called _Almond-shaped_ type 49 12. Wrought Flint (_Moustier_ type) _ib._ 13. Flint Scraper 50 14. Flint Knife, found at Menchecourt, near Abbeville _ib._ 15. Flint Core or Nucleus 51 16. Man in the Great Bear and Mammoth Epoch (whole page engraving). 17. The First Potter (whole page engraving). 18. Fossil Shells used as Ornaments, and found in the Gravel at Amiens 54 19. Theoretical Section of a Vein of Clay in the Carboniferous Limestone, _before_ the hollowing out of Valleys by Diluvial Waters 56 20. Theoretical Section of the same Vein of Clay converted into a Cavern, _after_ the hollowing out of Valleys by Diluvial Waters 57 21. The Cave of Galeinreuth, in Bavaria 59 22. Section of the Sepulchral Cave at Aurignac 62 23. Flint Knife, found in the Sepulchral Cave at Aurignac 63 24. Implement made of Reindeer's or Stag's Horn, found in the Sepulchral Cave at Aurignac _ib._ 25. Series of Perforated Discs of the _Cardium_ Shell, found in the Sepulchral Cave at Aurignac 64 26. Fragment of the Lower Jaw of a Cave-Bear found in the Sepulchral Cave at Aurignac _ib._ 27. Upper Molar of a Bison found in the Ashes of the Fire-Hearth of the Sepulchral Cave at Aurignac 65