744 



SUBJECT INDEX 



Sedimentation equilibria, 246, 311, 312 



(table), 313 (table), 320, 322, 357 

 Sex differences 



in nonhemoglobin iron, 484 

 in oxygen affinities of blood, 322 

 Siderocytes, o26, 527, 528, 529, 530, 536, 



542, 563 

 Soret band 



of azaheme, 90, 202 



of bile pigments, 118 



of catalase, 405 



of choleglobin, 473 



of cruoralbin, 488 



of cytochromes, 349 (table), 359, 369 



in erythrocytes, 323 



of hematin compounds, 167, 172, 173 



(table), 186 (table), 241 

 in hemoglobin estimation, 300 

 of hemoglobin compounds, 226, 227, 



228 (table), 229 

 of oxyporphyrin heme, 203 

 of peroxidases, 419, 421, 423, 430 



(table), 431 (table), 433 

 of porphyrins, 72, 73, 74 (table), 75, 76 



(table), 88, 240 

 of pseudoheme compounds, 487 

 of respiratory ferment, 362, 363, 365. 



369 

 of verdoheme, 462 

 Spectrocolorimetry, 17 



in hemoglobin estimation, 299 

 in porphyrin estimation, 87 

 Spirographis hematin, 169, 201, 309. 

 See also Cklorocruorins. 

 absorption spectra, 186 (table), 189 



(table) 

 oxidation-reduction potentials, 194 

 (table), 195 

 Spirographis hemochromes, 177 (table), 



309 (table), 345 

 Spirographis hemoglobin, 208, 362 

 Spirographis porphyrin, 63, 309 

 Stercobilinogens, 134 ff., 137 (table). 

 See also Mesobilane, Tetrahydro- 

 mesohilane. 

 estimation, 156 ff. 

 Stercobilins, 104, 134 ff., 137 (table). 

 See also Mesobilene-{b), Tetrahydro- 

 mesobileue-{b) . 

 estimation, 156 ff. 

 Stercofulvin and stercorubrin, 559 



Stromatin. See also Erythrocyte. 



effect on choleglobin formation, 477, 531 



effect on hemoglobin, 323, 326 

 Sulfheminproteose, 204, 496 

 Sulfhemoglobin, 295, 454 (table), 455, 490 



absorption spectra, 454 (table), 491 



in blood. See Sulfhemoglobinemia. 



and choleglobin, 492 



distinction from other blood pigments, 

 497, 498 (table), 524 



in erythrocyte, 510, 524. See also 

 Erythrocyte (life span). 



estimation, 297, 302 



ferric (sulfhemiglobin), 491 



formation in vivo, catalysts, 495, 523 

 in liver, 479, 542 



in hemoglobin estimation, 295, 298, 299 



iron, 493 



mode of formation, 493 



prosthetic group, 494, 495 



protein, 492 



sulfur, 493 



transformation, into protoporphyrin 

 derivatives, 456, 492, 495 

 into bile pigment by liver, 542 

 Sulfhemoglobinemia, 523 

 Sulfmyohemoglobin, 497 

 Sulfonamides 



and choleglobinemia, 526 



and hemt'globinemia, 519, 521 



inhibition, of catalase, 410 

 of peroxidase, 422 



and porphyrin formation, 590 (table), 

 596-598 



and sulfhemoglobinemia, 523, 524 



and urobilin excretion, 553 



Tautomerism in bile pigments, 108, 109, 



119, 123, 132 

 Tetrahydromesobilane, 106 (table), 137 

 (table), 140, 141 

 differentiation from mesobilane, 134, 



140 

 Ehrlich aldehyde reaction, 141 

 formation from bilirubin by intestinal 



bacteria, 550-552 

 occurrence in urine and feces, 134 

 optical activity, 141 

 Tetrahydromesobilene-(b) 



absorption spectra and complex salts, 



142, 143 

 hydrochloride, 142 



