INDEX. 



439 



Nitrogen, forms of in protein molecule, 



62 



importance of, in sustaining life, 62 

 in urine, quantitative determination 



of, 381 



Nitrogen iodide, formation of, 328 

 Nitrogenous extractives of muscular tis- 

 sue, 236 



formulas for, 240 

 Nitroso-indole nitrate test, 169 

 Nitrosothymol, formation of in Heller's 



test, 315 

 Non-nitrogenous extractives of muscular 



tissue, 236 

 Normal urine, 254 



characteristics of, 254 

 constituents of, 264 

 experiments on, 264-304 

 Novaine, 236 



formation for, 241 

 Nubecula, 290, 320 

 Nucleic acid, 87, 107 

 Nucleins, 107, 122, 248 

 Nucleohistone, 87, 89 

 Nucleoproteins, 87, 89, 106, 248, 264 

 in bile, 154 

 in feces, 180 

 in nervous tissue, 248 

 in urine, 28, 264, 290, 305, 320 



test for, 321 

 occurrence of, 107 

 Ott's precipitation test for, 321 

 Nylander's reagent, preparation of, 30, 



312 

 test, 30, 312 



Obermayer's test for indican, 281 



reagent, preparation of, 281 

 Oblitine, 236 

 " Occult " blood in feces, 175, 178 



tests for, 178 

 Olein, 132 

 Olive oil, 135 



emulsification of, 136 

 neutral, preparation of, 136 

 Opalisin in milk, 221 

 Orcin test, 38 

 Organic physiological constituents of 



urine, 264 



Organized ferments, i 

 Organized urinary sediments, 351 

 Osborne-Folin method for determination 



of total sulphur in urine, 386 

 Ossein, 233 



preparation of, 233 

 Osseoalbumoid, 233 

 Osseomucoid, 87, 106, 233 



chemical composition of, 106 

 Osseous tissue, 233 



experiment on, 233 

 Ott's precipitation test for detection of 



nucleoprotein in urine, 321 

 Ovalbumin, 86 

 Ovoglobulin, 86 



Oxalated plasma, preparation of, 201 

 Oxalic acid, 264, 284, 408 



Oxalic acid, formula for, 284 

 in urine, 264, 284 

 quantitative determination of, 



408 



Oxaluria, 285 

 Oxaluric acid, 264, 290 

 Oxamide, 92 

 Oxidases, 221 

 Oxyacids, 162, 167, 171 



tests for, 171 

 /3-oxybutyric acid, 332, 402 



Black's method for determina- 

 tion of, 403 



Black's reaction for, 332 

 formula for, 332 

 Kiilz's test for, 333 

 origin of, 332 



polariscopic examination for, 333 

 quantitative determination of, 



402 



Shaffer's method for determina- 

 tion of, 402 

 Oxyhaemoglobin, 62 



Reichert's method for crystallization 



of, 201 



crystalline forms of, 186-189 

 Oxymandelic acid, 264, 288 

 Oxyproline, 81 

 Oxyproteic acid, 264, 285, 342 



Paduschka-Underhill-Kleiner method for 

 quantitative determination of allantoin, 

 407 

 Palmitic acid, 132, 143 



crystalline form of, 137 

 experiments on, 138 

 formula for, 132, 143 

 preparation of, 137 

 Palmitin, 132 

 Pancreatic amylase, 141, 142, 147 



digestion of dry starch by, 143, 



148 



inulin by, 148 

 experiments on, 147 

 influence of bile upon action of, 



148 

 metallic salts upon action 



of, 147. 

 most favorable temperature for 



action of, 147 

 Pancreatic digestion, 140 



general experiments on, 145 

 products of, 141, 145 

 Pancreatic insufficiency, Schmidt's nuclei 



test for, 181 

 Pancreatic juice, 140-143 



artificial, preparation of, 144 

 daily excretion of, 141 

 enzymes of, 141 

 freezing-point of, 141 

 mechanism of secretion of, 140 

 reaction of, 140 

 solid content of, 141 

 specific gravity of, 141 

 Pancreatic lipase, 132, 141, 143 

 experiments on, 148 



