---- for drills and jumpers, 47 ---- rods, 64, 65, 80, 120 ---- tubbing, 95, 97, 98 Isle of Dogs, well at, 195 ---- of Grain, well at, 195 Isleworth, wells at, 195 Islington Green, well at, 195 Joints, Kind-Chaudron rod, 105-107 ---- tubbing, 109 ---- tube, 75, 143, 144 Journal of well-work, 206 Jumpers, 47, 48 Kensington, wells at, 195 Kentish Town, well at, 172, 195 Keuper, 5, 35, 36 Key, Kind-Chaudron, 105 Kilburn, well at, 195 Kind-Chaudron system, 93 Kind's moss-joint, 123, 124 ---- system, 85-93 Kind's system, time employed, 92 Kingsbury, well at, 195 Kingston-on-Thames, well at, 195 Knightsbridge, well at, 195 Ladle, cement, for tubbing, 111 Lagging of drum curb, 42 Lambeth, wells at, 195, 196 Lancashire, thickness of trias, 36 Lea Bridge, well at, 196 Leamington, well at, 158 Least resistance, line of, 45, 46, 50 Leatherhead, sands and clays at, 17 Leek, wells at, 163 Leicester Square, well at, 196 Lias, 5, 8 Lifting dog, 65 Lift of rods, 70 Limehouse, wells at, 196 Line of least resistance, 45, 46, 50 Lining or steining wells, 54-59 ---- tubes for bore-hole, 66, 143, 144 Liquorpond Street, well at, 196 Lithofracteur, 44 Liverpool, wells at, 158 London Basin, wells in, 190-201 ---- average section of strata, 13 ---- clay, 5 ---- measurement of sections, 15, 16 Long Acre, well at, 196 Longton, wells at, 162 Loughton, well at, 196 Lower Morden, well at, 196 ---- tertiaries, outcrop of, 23 Luton, well at, 196 Magnesian limestone, 5, 10 Maldon, well at, 196 Margate, well at, 196 Marylebone Road, well at, 196 Mather and Platt's system, 126-154 Measure of water in wells, 204 Michelmersh, well at, 176 Middlesborough, well at, 163 Mile End, wells at, 176, 196 Mile End Road, well at, 197 Millbank, wells at, 197 Mineral character of formation, 11 Mitcham, well at, 197 Mizers, 56, 57 Molasse sandstones, 5 Monkey for tube well, 81 Monkham Park, well at, 197 Mortlake, wells at, 197 Moss box, Kind-Chaudron, 110, 111 Moss joints, 110, 111, 123 Mountain slopes, springs in, 6 Mountains or hills, 5 Muschelkalk, 35 New Barnet, well at, 190 New Cross, well at, 197 New red sandstone, 5, 8, 35 ---- ---- headings in, 54 New Wimbledon, well at, 201 Nine-inch steining, 59 North America, rainfall, 30, 31 Northampton, well at, 166 Northolt, well at, 197 Norwich crag, 5 ---- well at, 177 Notting Dale, well at, 197 ---- Hill, well at, 197 Number of bricks in wells, 205 Observations with rain-gauge, 24 Off-take of rods, 70 Old Kent Road, well at, 197 Old Windsor, wells at, 197 Oolitic strata, 5, 8, 166 Orange Street, well at, 197 Outcrop, 11 ---- position of, 18 ---- rainfall on, 11 ---- rainfall on district, 24 Oxford Street, well at, 197