1NDKX. 





Oletines, relation of oleic acids to the, 



isae 



oleic acid, a constituent of human fat, 



rj:;o 



olcin (tri-olein), preparation of, 1230 

 Ortho-dihydroxybeoMDe, 1279 

 Osa/oues, the, I'-'ir, 



.. formation of the, 1216 

 IK.,. in, 1199 

 oxalic arid series, the, 123T> 



,, amido-aoids of the, 1252 



( Hal uric acid, PJti'J 

 Oxy-hirnioglohin, preparation, 12111 



difference in crystals of, from 



different sources, 1291 



,, spectra of, 12.2 



Oyster, presence of glycogen in the, 1213 



Palm oil, palmitin obtained from, 1230 

 Palmitic arid, 1228, 1230 

 Palmitin (tri-]ialmitin), 1230 

 Pancreas, the amylolytic enzyme of the, 



1190 

 Pancreatic juice, its action on starch, 



l'J'_*'J, 1223 



Papain, clastin dissolved by, 1204 

 Para-dihydroxybenzene, 1280 

 Para^lobulin (serum-globulin), chemistry 



of. 1173 



Paraniyosinogen, 1175 

 Parapeptone, 1178, 1179 

 Paraxanihiue, 124i7 



,, isomer of theobromine, 1267 

 Pentose group, P_'17 



,, in diabetes, H'lT 

 Pepsin, preparation of, 1191 

 Pepsinogfii, an antecedent of pepsin, 1191 

 IVptones, 11<>7, 1178 



,, preparation of, 1184 



,, their absorption and fate in 



the body, 1186 

 Petn.leum-ether, 1272 

 Pcttfiikofer's reaction for bile-acids, 1289 

 Ph.-nol. P.-7S 

 Phenylic acid, 1278 

 Phenyl-glucosazone, 1218 

 Phenyl-hydra/in, as reagent for the 



sugars, 121 1 ' 



,, in formation of osazones, 1216 

 ,, its action on maltose, P-"-':! 

 Phenyl-lactosazone, 1224 

 Plienyl-maltosa/one, preparation of , 1222 

 Plienyl-snlpliuric acid, I'JT'.i 

 Phosphorus, its presence in casein, 1207 

 ,, a constituent of mucin, 1198 

 ,, percentage of in niiclein, li'i*; 

 its presence in protaiTi'ii, 1-40 

 Pigments of the animal body, 1290 



humus, I!v09 

 indoxyl-. 1310 

 retinal, i:'.P_' 



Pigments of urine, 1307 



as affected by drugs. 1311 

 ,, of the suprarenal bodies, 1317 



Piotrmvski's n-aeti.ni for protei<is, 11J6 

 Piria's reaction for tyrosine, P_Tti 

 Plants, occurrence of leiirin in, 1244 

 proteid im-tabolism of, 125.'< 

 ,, alkaloidal principles of , P.T1 



Propionie aeid. !_>_';. 1232 

 Protagon, l_'tn 

 Protallininosf, 1184 

 Proteids, llt^-1189 



composition of, 1165-1187 

 crystalline, 1165 

 ash of, 1165 



general reactions of , 1166 

 classification of, lltii 

 oa^ulated, 11>7, 1177 

 <lii:(>stive changes of, 1178, 1179 

 duplexity of molecule of, 1179 

 their decomposition by acids, 



1178, 1181, 1187 

 ,. products of decomposition of. 



1186 

 .. theories of the constitution of, 



1187 



Protogelatose, 1201 

 Pseudoxanthine, 1286 

 Ptomaines, the, 1284-1286 



,, their similarity to vegetable 



alkaloids, 1388 

 Ptyalin, preparations of, 1190 



,, its action on starch. 1190 

 Ptyalinogen, in saliva of horse, 1190 

 Purple, visual, l."i:'. 

 Pus-cells, uuclein prepared from, 1205 

 Pus-corpuscles, presence of glycogen in, 



1213 

 Putrefactive organisms, action on cellu- 



lose of, P.M.'. 

 Putrescin. : 

 Pyocyanin, 1317 

 Pyoxanthose, 1317 

 Pyrocatechin, 1279 



Rennet, milk-curdling ferment, 1194 note 



.. use of, in cheese-making, 11!>4 

 Renuin, its clotting action on milk, 1208, 



ll'.4 



its en/ymic nature. 1195 

 Henninouen. 1P.4 

 Keticulin. p;m 



Retina, pijrinents of the. !."> 12-1315 

 i:ii,.dophane. 1313 

 Rhodopsin, l.'U.'- 



Rotation of light, mode of measurement 

 of, 1218 



Saccharose, 1221 



Saliva, ptyalin a constituent of, 1190 



