Instruments used in Cave-hunting 435 Search after Bone-caves 437 Three modes of Cave-digging 438 Stalagmitic floors to be broken up 440 The Preservation of Fossil Remains 440 APPENDIX II. Observations on the Accumulation of Stalagmite in the Ingleborough Cave 442 LIST OF ILLUSTRATIONS. FIG. PAGE Coloured Enamels from Victoria Cave _Front._ 1 Diagram of Wookey Hole, Cave and Ravine 30 2 Diagram of Helln Pot and the Long Churn Cavern 41 3 Diagram of Helln Pot 42 4 Diagram of Helln Pot, showing Waterfall at the bottom 45 5 Waterfall in Pot-hole, at Weathercote 48 6 Diagram of Subterranean Course of Dalebeck 49 7 Diagram of an acid-worn joint, Doveholes, Derbyshire 52 8 Diagram of the Source of the Aire at Malham 55 9 A View in the Fairy Chamber, Caldy 63 10 Stalagmites in the Fairy Chamber, Caldy 63 11 The Fairy Chamber, Caldy 64 12 Pools in Fairy Chamber 65 13 Pool in Fairy Chamber 65 14 Edge of Pool in Fairy Chamber 65 15 Cone with Straw-column 65 16 Basin containing Cave-pearls 67 17 Fungoid Structures, magnified 67 18 Fungoid Structure, Black-rock Cave 68 19 View of King’s Scar, Settle, showing the Entrances of the Victoria and Albert Caves 82 20 Longitudinal Section of Victoria Cave 86 21 Vertical Section at the Entrance to the Victoria Cave 87 22 Spoon-brooch 91 23 Ornamented Bone Fastener 92 24 Two Bone Links 92 25 Bronze Brooch 95 26 Bone Harpoon 112 27 Bone Bead 113 28 Stone Adze of doubtful origin 114 29 Section below Grey Clay, at Entrance to Victoria Cave 117