CAVE EXPLORING AT ABERGELE 127 CAVE DISCOVERIES ON THE WELSH BORDER 133 THE EXPLORATION OF STUMP CROSS CAVERN 138 SWALLET-HUNTING IN DERBYSHIRE 144 EXPLORING NEW CAVES IN DERBYSHIRE 152 A VISIT TO MITCHELSTOWN CAVE 159 INDEX 169 LIST OF ILLUSTRATIONS PAGE MAP OF THE MENDIP DISTRICT OF SOMERSET, SHOWING SWALLETS, CAVES, AND OUTLETS 5 THE GREAT GORGE OF CHEDDAR 16 Photo by DAWKES & PARTRIDGE, Wells. ROMANO-BRITISH POTTERY, COINS, HUMAN REMAINS, ETC., WOOKEY HOLE CAVE 22 Photo by H. E. BALCH. HYÆNA DEN AND BADGER HOLE, WOOKEY HOLE 23 Photo by BAMFORTH, Holmfirth. PLAN AND SECTION OF WOOKEY HOLE CAVERN 25 By H. E. BALCH. THE GREAT SWALLET ON BISHOP'S LOT, PRIDDY 28 Photo by BAMFORTH, Holmfirth. ST. ANDREW'S WELL, WELLS 29 Photo by H. E. BALCH. PROFILE OF THE "WITCH OF WOOKEY," WOOKEY HOLE CAVERN 46 Photo by H. E. BALCH. AMONG THE POOLS, WOOKEY HOLE CAVERN 47 Photo by H. E. BALCH. MASS OF STALAGMITE, WOOKEY HOLE 48 Photo by H. E. BALCH. IN THE FIRST CHAMBER, WOOKEY HOLE CAVERN 49 Photo by BAMFORTH, Holmfirth. STALACTITE TERRACE, WOOKEY HOLE 50 Photo by H. E. BALCH. GREAT RIVER CHAMBER, WOOKEY HOLE 51 Photo by DAWKES & PARTRIDGE, Wells. SECOND GREAT CHAMBER, WOOKEY HOLE 52 Photo by DAWKES & PARTRIDGE, Wells. ENTRANCE OF THIRD CHAMBER, WOOKEY HOLE 53 Photo by DAWKES & PARTRIDGE, Wells. STALACTITE GROTTO: NEW CHAMBERS, WOOKEY HOLE CAVE 54 Photo by H. E. BALCH. STALACTITE GROTTO, WOOKEY HOLE 55 Photo by CLAUDE BLEE. STALACTITE PILLARS, WOOKEY HOLE 56 Photo by CLAUDE BLEE. NEW STALACTITE GROTTO, WOOKEY HOLE 57 Photo by BAMFORTH, Holmfirth. THE GRILLE: NEW CHAMBERS, WOOKEY HOLE 58 Photo by BAMFORTH, Holmfirth. THE SOURCE OF THE AXE, WOOKEY HOLE 59 Photo by BAMFORTH, Holmfirth. ENTRANCE TO GREAT CAVERN OF EASTWATER 62 Photo by BAMFORTH, Holmfirth. SECTION OF EASTWATER CAVERN 63 By H. E. BALCH.