Sabatier and Senderens, 127 Salt solution, physiological, 87 Salts solution, 267 Sand, Dr., xv, 33, 81 Schorlemmer, K., 186 Scud, 51 Scudding, 16 ---- machine, 17 Serum, action of, on enzymes, 144 Shearling pelts, 183 Shrewsbury, H. S., 166, 281 Simon’s bate, 195 Skatol, 46 Skin substance, ash of, 39 Skin substance, density of, 60 ---- ---- fat in, 16 ---- ---- solution of, 47, 51 Soerensen, Prof., 43, 80 Solid matter in bate, 73 ---- ---- influence of, 175 Soluble matter of bate, 176 Soyka’s dilution method, 103 _Spirillum volutans_, 112 ---- _delsulfuricans_, 124 Spongy leather, 238 Staining and mounting, books on, 89 ---- of flagellæ, 94 Starch, action of bran ferments on, 259 Steapsin, 132 Stiasny, Prof. E., 282 Sucanine, 191 Sucrase, 128, 132 Sulphuric acid, use in deliming, 11 Sulphuretted hydrogen, 46 “Sweating” bacteria, 105, 213 Sweet bran drench, 235 Swelling, 67 ---- alkaline, 72 Symbiosis, 269 Synthesis of esters, 127 Syntonin, 32 Thio-acids, 196 Tiffany’s bate, 179 Toxins, 143 Trehalase, 132 Trent bridge laboratory, 107, 252 Trimethyl-amine, 107, 252 ---- butyrate, 42 Trypsin, 132, 133 Trypsin, in dog dung, 134 Turney, Sir John, scudding machine, 17 “Turning” of drench, 287 Tyrosinase, 133 Urea, 29 Urease, 132 Uric Acid, 29 Velocity of hydrolysis, 130 Volumenometer, 61 ---- air, 67 ---- Law’s, 61 Wladika, J., 256 Willcox, Dr. W. H., 243, 245 Wood’s American patent, 210 ---- English patent, 205 Wool bacteria, 174 Xylose, 125 Yeast water, 259 Yoghurt, 236 Zinc, effect on growth of moulds, 113 Zollikoffer’s bate, 178 Zoogloæ, 242 Zymase, 133 LONDON: PRINTED BY WILLIAM CLOWES AND SONS, LIMITED GREAT WINDMILL STREET, W., AND DUKE STREET, STAMFORD STREET, S.E. End of the Project Gutenberg EBook of The Puering, Bating & Drenching of Skins, by Joseph Turney Wood