---- on skunk, 130 ---- on wolf, 130 Bleaching of furs, 179 Blending, 91, 104 Blue-grey on white furs, 142 Blueing, 184 Blue salt, 120 ---- vitriol, 119 Borax, 39, 58 Brasilein, 135 Brasilin, 135 Brazilwood, 135 Bright shades on furs, 171 Broadtail, 8, 12 ---- dyeing of, 139 Brown on Thibet sheep, 169 ---- with natural dyes, 142 Brush process, 98 Brushes used in dyeing, 100 Butter, 60, 63 Cage, 80 Cageing, 80 Campeachy wood, 133 Caracul, 8, 12 ---- dressing of, 53 Caracul, dyeing of, 140 Carnivorous animals, furs of, 37 Cased skins, 36 Castor oil, 60, 63 Cat, civet, 5, 8 ---- house, 8 Caustic soda, 44, 110, 113 Centrifugal machine, 40 Chamber drying, 73 Chamois dressing, 31 ---- tan, 49, 58, 61 Characteristics of tans, 65 Chestnut extract, 133 Chinchilla, 5, 6, 8, 94 ---- blending of, 91, 104 Chinchillone, 9 China goat, black on, 141 Chlorates, 147 Chloride of lime, 174 ---- ---- bleach, 184 Chrome acetate, 120 ---- alum, 57, 120 ---- colors, 176 ---- -copper mordant, 167 ---- -formaldehyde tan, 64 ---- tans, 57, 174 Chromium mordants, 120, 166 ---- ---- alkaline, 123 ---- salts in tanning, 53 Cleaning pelts, 40 Coal tar colors, 171 Cocoanut oil, 60 Cod-liver oil, 60 Collagen, 25 Colloidal solutions, 48 Combination tans, 49, 64 Conveying dyed skins, 104 Conveyor drying, 73 Copper acetate, 119 ---- mordants, 119, 166 ---- salts, 109 ---- ---- after-treatment with, 168 ---- sulphate, 119 Copperas, 119 Copper-iron mordant, 167 Coriin, 21 Corium, 21 Cortex, 23 Cottonseed oil, 60, 63 Cuba wood, 134 Cutch, gambier, 65, 135 Cuticle, 23 Davy, Sir Humphrey, 47 Degreasing furs, 179 Diphenyl black, 152 Dip process, 98 Dressing of lambs, 52 ---- ---- rabbits, 54 ---- ---- moles, 54 Drum, 80 Drum-cleaning, 105 Drumming, 76 Drying-oils, 60 Drying skins, 71 Durability of furs, 5 Dyeing furs at higher temperatures, 174 Dyeing of imitations, 93 ---- ---- novelty shades, 92 ---- with aniline black, 144 ---- ---- coal tar colors, 171 ---- ---- mineral colors, 125 ---- ---- oxidation colors, 155 ---- ---- vegetable colors, 128 Egg-yolk, 63 Emeraldine, 145 Enzymes, 51 Epidermis, 21 Erdmann, 155 Ermine, 5, 9 ---- bleaching of, 179 Fahrion, 48 Fat-glands, 21 Fats, animal, 59 Fermentation, 51 Ferrous acetate, 119 Ferrous sulphate, 119 Finishing dyed furs, 104 Fisher, 9 Fitch, 9, 94 Flat skins, 36 Fleshing, 41 ---- knife, 38, 42 ---- machines, 42 Flesh side, 22, 37 Formaldehyde, 63 ---- -chrome tan, 64 ---- tans, 49, 63 Formic acid, 44, 50 ---- ---- as soaking agent, 39 Fox, black on, 140 ---- blue, 9 ---- cross, 4, 10 ---- grey, 10 ---- kit, 10 ---- red, 4, 5, 10