INDEX 



327 



Salioin, 97 

 Salicyl alcohol, 97 

 Saliva, 124. 



Saponification of a fat, 176 

 Sauerkraut, 272 

 Schiff, 191 

 'Sohizomycetes, 18 

 Schlosing and Muntz, 217, 219 

 Schreyver, 185 

 Schulze-Schulzenstein, 226 

 Schunck, 247 

 Schwann, 134 



Schweitzer's reagent, 161, 162 

 Scott-Moncrieff, 225 

 Soutellar epithelium, 120, 121 

 Secondary alcohols, 52, 59 

 Septum, semi-permeable, 11 

 Serin, 193, 197 

 Serum, 179 



albumin, 183, 208 

 globuHn, 208 

 therapy, 11 

 Sewage, aerobic tank treatment of, 

 289-291 ; analyses, 305-308 ; 

 interpretation of, 304-305 ; an- 

 aerobic decomposition, 284-289 ; 

 chemical clarification, 291-294 ; 

 choice of filtration methods, 303- 

 304 ; direct treatment on filters, 

 294^295 ; final purification of, 

 294-304 ; simple sedimentation, 

 283 ; standards for purity of 

 effluents, 307-308; strength of, 

 306-307 ; tank treatment of, 

 283 ; treatment on trickling and 

 percolating filters, 299-303 

 Sewage mud, 242 

 Sheridan Lea, 216 

 Siedentopf, 9 



Silage, preparation of, 271 

 Silica jelly, 25 

 Silo, 271, 272 

 Sinigrin, 97 

 Six-carbon alcohols, 93 



sugars, 94 

 Skatol, 194, 195, 239 

 Skatol-amino-aoetic acid, 195 

 Slate bed, 290 

 Slator, 143 

 Sludge, 284 

 fioap, 169 ; precipitation of, from 



sewage, 288 

 fiohxlet apparatus, 171 



Soils, fertility of, 261-263 ; inocula- 

 tion of, 260. 



Solution factor, 108 



Sorbite. 93 



Soy bean, 260 



Spallanzani, 136 



Specific gravity, 107, 108 

 rotatory power, 110, 111 



Spermatozoa of fishes, 208 



Sphaerotilus natans, 308 



Spirillum desulphurioans, 240, 241 



Spongin, 209 



Spore formation, 17 



Stab culture, 29 



StaU, 132 



Staining culture medium, 28, 31 



Starch, 84, 96, 100, 107, 111, 119, 

 120, 122, 124, 125, 161, 162, 269 



Steapsin, 170 



Stearic acid, 169 



Stearin, 169 



Stereo-chemical formulae, 78 



Stereo-isomerism, 90 



Steriliser, 21 



Sterility, 21 



Stoddart, 225 



Subculture, 30 



Succinic acid, 154, 155 



Sugar, 13, 82, 84, 92, 95, 103, 108, 111, 



113, 121, 122, 128, 133, 138, 



145,148, 155,160, 167,268, 269 



cane, 94 



Sulphates, reduction of, 237, 239, 



240, 241, 244 

 Sulphur, 3, 236, 237, 243 ; oxida- 

 tion of, 241 

 springs, 243 

 Sulphuretted hydrogen, 236, 237, 



238, 239, 241, 242, 244 

 Sutton, 289, 290 



Tank treatment of sewage, 283 



Tannery, bating and puering pro- 

 cess in, 157, 211 



Tannin, 177, 251 



Tartaric acid, 27, 29, 87 



Tea, manufacture of, 250-251 ; 

 quaUty of, 250 



Termeulen, 247 



Tertiary alcohols, 52, 59 

 amine, 69 



