Curing hides, drying, 13 dry-salting, 13 freezing, 13 salting, 12 sterilizing, 14 Currying, 49 Cut glue, 257 Decolorization of glue, 238 Deerskins, 92, 181 Degreasing bones, 224, 227 leather, 115 Deliming, 23 Depilation, 19 Divi-divi, 32 Dongola leather, 191 Drenching, 25, 95 Dressing leather, 24, 65-92 Drum stuffing, 53 tanning, 63 Drying gelatine and glue, 255 hides, 13 leather, 50 Dung bates, 24 manures, 279 puers, 94 Dyeing leather, 96 Ears, 220, 268 Eggs, 276 Elastic fibres, 6, 272 Ellagic acid, 29 Enamelled leather, 123 Enzymes, 24, 25, 94, 95 Erodin, 94 Evaporation, 37, 248 Evaporators, Blair Campbell, 249 Kestner, 249 Yaryan, 249 Evolution of gelatine industry, 265 of leather industry, 194 Extraction of gelatine and glue, 230-233 of grease, 115, 224, 227 of phosphate, 224 of tannin, 35 Extracts of meat, 275 of tanning material, 37-41 Faces, 220, 268 Fan drying gelatine, 257 leather, 50 Fat liquoring, 154 tannages, 178 Federation of Tanners, 108 Fellmongering, 113 Fermentation in bates and puers, 24, 94 in drenches, 25 in limes, 20, 21 Fertilizers, 269, 279 Filter press, 238 Finger test, 218 Finishing chrome leather, 153 heavy leather, 49 light leather, 96 Fish glue, 228 manure, 280 Fleshing, 22 Flocculation, 237 Food proteins, 274 Foods, concentrated, 275 dried, 277 Formaldehyde tannage, 185 Fractional extraction of glue, 230 Galalith, 277 Gallic acid, 29 Galls, 32 Gambier, 40 Gelatine, bleaching, 241 clarification of, 234 decolorization, 234 drying of, 255 evaporation of, 248 extraction of, 230 properties of, 200 raw material for, 220 uses of, 260 Glacé calf, 156 goat and sheep, 163 Glazing, 97, 155 Glove leather, 174 Glue (_see_ GELATINE) difference from gelatine, 241 Goatskins, 99, 163 Graining, 97 Grease in bones and scutch, 224, 227 in skins, 115 Guano, 278 Hair, removal of, 22 Handlers, 47 Hard-grain morocco, 117 Harness leather, 71, 170 Heavy leather, 7-92 chrome leather, 170 Helvetia leather, 179 Hemlock bark, 34 Hides, American, 14 African, 15 Asiatic, 14 British, 8 Continental, 14 dried, 13 dry-salted, 13 fresh, 8 frozen, 13 salted, 12 Hoofs, 268 Horns, 268 Hyaline layer, 272 Hydrophile colloids, 240 Hydrophobe colloids, 240 Hydrosulphite of soda, 245 Hypo bath, 128, 147 Imitation box calf, 159 glacé kid, 163 Imperial aspect of leather trade, 198 Increase in strength of tan liquor, 44 Incrustation, 254 Influence of Lyotrope series, 206-209 Intensive production, 194, 265 Interfibrillar substance, 24 Iron and logwood, 75, 83, 109 Jacking leather, 51 Japanned leather, 123 Jelly, 203, 258