1350 



INDEX. 



Saliva, mucin a constituent of, 1197 



,, its action on starch-paste, 1222 

 Sarcolactic or paralactic acid, 1233-1234 

 Sarkosin, 1243 



Scherer's test for inosite, 1278 

 Schiff's reaction for uric acid, 1201 

 Seidel's reaction for inosite, 1278 

 Serum-albumin, chemistry of, 1169 

 Serum-globulin, 1173 

 Serum-lutein, 1316 



Skatol, its combination with glycuronic 

 acid, 1220 



preparations of, 1283 



,, reactions of, 1283 



,, occurrence of, in a vegetable tis- 

 sue, 1284 



compounds of, 1311 

 Skatoxyl-pigments, 1311 

 Skatoxyl-sulphuric acid, 1283 

 Soaps, formation of, with stearic and 

 palmitic acids, 1228 



composition of, 1231 

 Soda, sulphindigotate of, 1282 

 Soluble starch, preparation of, 1211 

 Spermaceti, cetyl-alcohol obtained from, 



1225 



Spermine, 1242 



Spleen, presence of inosite in the, 1277 

 Starch, hydrolysis of, by ptyalin, 1190 



,, ,, by pancreatic secre- 



tion, 1190 



,, sources of, 1210 



soluble, 1211 



,, its conversion into sugar in the 



body, 1212 



Starch group of the carbohydrates, 1210 

 Starch-paste, action of saliva on, 1222 

 Stearic acid, 1228 



Stearin (tri-stearin) , preparation of, 1230 

 Stokes's fluid, 1297 

 Strecker's test for xanthine, 1266 

 Stroma of red blood-corpuscles, proteid 



constituent of, 1174 



Sub-maxillary gland, mucin of the, 1197 

 Succinic acid, 1236 

 Sugar, diabetic, 1215 

 Sugars, the, chemistry of, 1216 



discrimination of, 1216 

 Sulphindigotate of soda, 1282 

 Sulphur, a constituent of fibrin, 1177 



its presence in lardacein, 1186 

 Sulphur, its presence in keratin, 1204 

 a constituent of cystin, 1252 

 Sulphuric acid, 1187 

 Suprarenal bodies, pigment of, 1317 

 Sweat, presence of urea in, 1254 

 Syntonin, chemistry of, 1170 



definition of, 1178, note 



Taurine, 1245 



preparation, 1246 



Tauro-carbamic acid, 1246 

 Taurocholic acid, preparation of, 1289 

 Tea, traces of xanthine present in, 1265 



,, hypoxanthine present in, 1268 

 Teichmann's crystals (haemin), 1299 

 Tendons, mucin of the, 1198 

 Tetronery thriii, sources of, 1316 

 Thei'ne, its relations to xanthine, 1264 

 Theobromine, its relations to xanthine, 



1263, 1264, 1271 



,, isomer of paraxan thine, 126f> 



,, an excretionary product of 



plants, 1271 

 Theophylline, its relations to xanthine, 



1264 

 Tinned meats, possible development of 



ptomaines in, 1285 



Torula ureae, enzyme developed by, 1196 

 Touraco, presence of copper in plumage 



of, 1296 

 Toxines, 1285 

 Trimethylvinyl - ammonium hydroxide, 



1240 

 Trypsin, its action on fibrin, 1177 



its action on proteids, 1178, 1179 

 ,, preparations of, 1192 

 ,, zymogen of, 1193 

 Tunicin, 1215 

 Turacin, 1296 

 Tyrein, formation of, in clotting of casein, 



1208 

 Tyrosine, a result of decomposition of 



proteids, 1181 

 ,, a product of decomposition of 



mucin, 1199 



constitution of, 1274 

 ,, preparation of, 1275 

 ,, Hoffman's reaction for, 1275 



Umbilical cord, mucin of the, 1199 

 Urea, 1254-1263 



average daily excretion of, 1254 

 synthesis of, 1255, 1257 

 nitrate of, 1255 

 oxalate of, 1255 

 detection of, in solutions, 1257 

 quantitative determination of, 1257 

 its relations to uric acid, 1261 

 Urea-ferment, its enzymic nature, 1196 

 Ureas, substituted, 1257-1258 

 Uric acid, 1258-1263 

 salts of, 1260 

 ,, preparation of, 1260 

 tests for, 1261 

 Urinary melanin, 1309 

 Urine, fermentative changes in, 1196 

 pathological changes in, 1196, 1217, 

 1235, 1277, 1283, 1286, 1309, 1311 

 presence of creatinine in, 1248 

 urea the chief nitrogenous con- 

 stituent of, 1254 



