Pyrites and Flint used for striking Fire — Strike-a-light Flints — The Gun-flint Manufacture — Gun-flint Production — Modes of producing Flakes — Pressigny Nuclei — Rough-hewing Stone-hatchets — Ancient Mining for Flint — Flint-mines at Grime’s Graves and Spiennes — Production of Arrow-heads — Flaking Arrow-heads — Arrow-flakers — Grinding Stone Implements — Methods of Sawing Stone — Methods of Boring Stone — Boring by means of a Tube — Progress in Modes of Manufacture . . . 14 _IMPLEMENTS OF THE NEOLITHIC PERIOD._ CHAPTER III. CELTS. Belief in their Meteoric Origin — Regarded as Thunderbolts — Celt with Gnostic Inscriptions — Their Origin and Virtues — How regarded by the Greeks and Romans . . . 55 CHAPTER IV. CHIPPED OR ROUGH-HEWN CELTS. The Kjökken-Mödding Type — Some possibly Agricultural Implements — Some carefully Chipped — The Common Forms — Their abundance — Discoveries at Cissbury — Found in company with Polished Celts — Their probable Age . . . 67 CHAPTER V. CELTS GROUND AT THE EDGE ONLY. Pointed at the Butt-end — Of Elongated Form — Expanding at the Ends — Of Peculiar Forms — Their Occurrence in Foreign Countries . . . 87 CHAPTER VI. POLISHED CELTS. A Type common in the Eastern Counties — With the Surface ground all over — Expanding at the Edge — Of other Materials than Flint — The Thin and Highly-polished Type — With Flat Sides — With Flat Sides and Narrow Butt — With Flat Sides and Pointed Butt — Of Rectangular Section — Chisel-like and of Rectangular Section — Of Oval Section — Of Oval Section with Conical Butt — Of a Form common in France — Of Oval Section pointed at the Butt — With a Cutting Edge at each End — Sharp at both Ends — Polished Celts narrowing in the Middle — Used in the Hand without Hafting — Polished Celts of Abnormal types — Polished Celts with Depressions and Flutings — Circumstances under which they have been Found — Their Discovery with Objects of Later Date — Their Range in Time — Accompanying Interments — Manner in which Hafted — In their original Handles — Inserted in Sockets in the Hafts — Hafted with Intermediate Sockets — Compared with Axes of modern Savages — Mounted in Forked Hafts — Mounted on Wooden Hafts — Compared with Adzes of modern Savages — Mounted in Withes and Cleft Sticks — Modern methods of Hafting Axes . . . 98 CHAPTER VII. PICKS, CHISELS, GOUGES, ETC. Small Hand Chisels — Gouges rare in Britain — Bastard Gouges . . . 173 CHAPTER VIII. PERFORATED AXES. Sharp at both Ends — Expanding at one End — Pointed at one End — Adze-like in Character — Cutting at one End only — Used as Battle-axes — Ornamented on the Faces — Large and Heavy — A Large Form common in the North — Fluted on the Faces — Boring, the last Process — Axe-hammers hollowed on the Sides — Axe-hammers ornamented on the Faces — Frequently found in Barrows — But little used by modern Savages . . . 183 CHAPTER IX. PERFORATED AND GROOVED HAMMERS.