Colocynth and quassia, 263 ” and other substances, 285 Colouring woods, 108 Commission, report of, on carvings, 266, 274 Cooke’s (M. C.) instance of fungi, 43 Copal varnish, 191, 197 ” in linseed oil, 285 Copper, red oxide of, 161 ” prussiate of, 146 ” sulphate of--_see_ Sulphate of Copper ” nitrate of, 226 ” sheathing against sea-worms, 228 ” ” and tarred felt, 285 Copperas, and coal tar, 284 ” to preserve ships, 112, 226 Cork, for ends of brestsummers, 174 Corrosive sublimate, 123, 226, 264, 265, 285, 286 ” and other substances, 130, 155, 263, 265, 266, 279, 285 Covent Garden Theatre, dry rot in bond, 175 Cow-dung mortar, and oils, 251 Creosote (Bethell’s patent), 118, 130, 133, 142, 165, 230, 236, 255, 257, 285, 287 ” vapour, 145 ” and chloride of zinc, 133 Crepin (M.), on creosoted wood, 139, 236 Cryptogamia, or fungi, 15 Cullen’s process for dry rot, 157 Dammer oil, and other substances, 255 Damp, 176, 177, 178, 181 ” a cause of decay in wood, 22 ” rooms, how to ascertain, 24 Darwin’s process for dry rot, 156 Daviller (A. C.), on felling trees, 54 Davison and Symington’s process, 81 Davy (Sir H.), on corrosive sublimate, 127, 263 Deals require long seasoning, 64 ” how sometimes imported, 35 Deane’s (Sir T.), account of dry rot case, 39 Decay of trees, symptoms of, 33 De Lapparent’s processes, 73, 97, 163 Desiccating processes, 81 Dickson (Dr.), on Kyan’s process, 130 ” (J.), on seasoning wood, 75 Ditton Park, carvings destroyed at, 269 Donaldson’s (Prof. T. L.) account of dry rot case, 42 Dondeine’s paint, 165 Dorsett and Blythé’s copper process, 151 Doswell’s report on timber piles, 232 Dram battens liable to rot, 8 Dry rot, wet rot, and rot. ” appearances of, 31, 35 ” causes of, 24 ” danger of, 34 ” how different from wet rot, 14 ” proceeds according to temperature 29, 187 ” caused by bad building, 182 ” ” mortar, 44, 173, 177 ” ” damp brickwork, 44, 182 ” ” ” ground, 20, 21 ” ” ” stone, 44 ” ” heat and moisture, 23 ” ” insufficient areas, 178 ” ” ” tarpaulings, 184 ” ” joining different woods, 176 ” ” kamptulicon, 187 ” ” Keene’s cement, 188 ” ” oiled cloth, 185 ” ” old trees, 183 ” ” partial leaks, 23 ” ” want of air, 171, 172, 186, 187, 188 ” ” ” proper drains and spouts, 41