INDEX 



ACCLIMATIZATION in colloid systems, 



236 

 Acid, ellagic, 29 



pallic, 29 



sulphurous, 227, 243 

 Acid process for bone gelatine, 243 

 Acids, for deh'ming, 23 



for pickling, 114 



in sour liquors, 29, 44 

 Adsorption, law of, 43 



methods of clarification, 234 



nature of, 41 



of ions by gelatine, 211 

 African hides, 1 5 

 Albumins, 4, 240, 274, 277 

 AJgarobilla, 32 

 Alum, 236, 240 

 American hides, 14 

 Animal excreta, 279 

 Arsenic sulphide, 20 

 Asiatic hides, 14 

 Astringency of liquors, 44 



BACTERIA in soaks, 16 



limes, 20 



bates, 24 



tan liquors, 29 

 Bag leather, 86 

 Band-knife splitting, 52 

 Bark, hemlock, 34, 40 



mall' 



mangrove, 35. 1 1 



mimosa. 



oak, 34 



pine, 34. 41 



willo 



Bosk dyestufts, 97 

 Basils, 115 

 Bating, 24, 94 

 Belting leather, 65 



Campbell evaporat- 

 HU-.i. him; leather, i2 



glue. 241 



Block Gambicr, 40 

 Bloom, 29 

 Boiling process for glue. 223 



Bone gelatine, 223 



manure, 273 



meal, 224 

 Bones, 223 

 Bookbinding leather, 104, 106, 117, 



120 



Boric acid, 23 

 Bottle tannage, 103 

 Box calf, 156 

 Bridle leather, 71 

 British hides, 8 

 Brushing leather, 63 

 Buck leather, 181 

 Buff leather, 181 

 Buffing, 52 

 Burning in, 54 

 Butt, 22 



Bye-products of the gelatine trade, 

 272 



of the leather trades, 268 



CALCIUM sulphydrate, 22 

 Calf skins, 76, 120, 166 

 Casein, 276 

 Cast glue, 267 

 Catechin, 32 

 Catechol tans, 32 

 Caustic soda, 18, 20 

 Centrifugal fan, 60 

 Chamois leather, 181 

 Cheeks, 268 



Chemistry of colloids, I'd I 

 Chestnut extract, 36 

 Chlorine bleach for glue, 246 

 Chrome calf, 156 



goat, 163 



hide, IT. i 



sheep, 1 

 Chrome tannage, 127-174 



finishing operations. 1 53 



general methods, 139 



one bath, 149 

 special qualities of, 136 

 theory of, 129 

 two-bath process. 



