INDEX OF SUBJECTS. 
991 
Silica, . 
Silicic acid, . 
,, in liver, 
,, ,, urine, 
Silicon, 
Silk, skeletin of, . 
Silkworm, skin of, 
Sinistrin, 
Skatol, 29, 47, 72 
,, excretion of, 
,, tests for, . 
Skatol-carbonic acid, 
25, 
PAGE 
79, 473 
77 
. 87 
. 634 
2 
. 76 
16 
. 64 
467, 468, 469, 473, 607 
. 470 
. 469 
. 29, 47, 467, 468 
tests for, . . 469 
Skatoxyl, . 470, 607, 628 
,, glycuronic acid, . . .613 
red, 628 
,, sulphuric acid, . . . 631 
Skeletal tissues, chemistry of, . .111 
Skeletins, ... 70, 72, 74, 75, 76 
Skin, absorption by, in animals, . 688, 690 
,, ,, ,, in man, . 669, 685 
,, glands, electrical phenomena 
of, 681 
,, loss of heat from, . . 850, 855 
,, respiration by, . . . 723, 725 
,, secretions. (See also Sweat, 
Sebaceous secretion.) 
,, ,, alkaloid in, 
,, ,, chemical nature of, 
,, ,, functions of, 
,, ,, nervous mechanism of, 
,, ,, of vertebrates, 
,, ,, watery, 
,, temperature of, . 
,, varnishing, . 
Slime of fishes, 
Smegma preputii, 
Snail, gluco-proteids of, 
,, skeletins of, 
Snakes, temperature of, 
,, urine of, . 
,, venom of, 
,, ,, action of, 57, 146, 174, 179 
,, ,, toxic power of, . . 58 
Soaps, 19, 20, 446 
,, absorption of, . 451, 456, 457, 463 
nutritive value of, . . 881 
.). 
669 
673 
670 
669 
of; 
676 
669, 
673 
670 
829 
727 
674, 
676 
674 
62, i 
75 
849 
590, 
909 
1 56, 
181 
Soda, 
Sodium, 
bicarbonate, . 
carbonate, 
chloride, 25, 76 
1 1> 
87 
2 
76, 78, 145, 157 
77, 93, 113, 154, 
157, 882, 883 
,, precipitation of pro- 
teids by, . . 42 
phosphate, . 76, 78, 113, 145, 157 
salts of body, .... 77 
proteids, 
,, ,, urine, 
,, sulphate, 
Soluble ferments. (See also 
,, starch, 
Sorbite, 
Soret's band, 
Specific gravity of blood, 
,, heat of body, 
. 25 
. 633, 634 
76, 78, 113 
Enzymes.) 312 
13, 14, 395 
4 
226, 227, 246 
. 143 
. 838 
rotation. (See also Rotatory 
poicer.) ..... 
Spectrophotometer of Hiifner, 
,, ,, Yierordt, 
Spectrophotometry constants of C'O-he- 
m og- 
1 o bin, 
,, ,, oxyhe- 
mog- 
1 bin, 
213, 
,, ,, reduced 
hemo- 
globin, 
. 209, 216, 
239 
223 
Spectrophotometry, 
Spectrum of bile, . 
,, ,, ,, pigments, 
,, CO-henioglobin, 
., hiematin, 
,, haematoporphyrin, 
,, hemochromogen, 
,, HCN-hemoglobin, 
,, methemoglobin, 
,, XO-hemoglobin, 
,, oxyhemoglobin, 
in Pettenkofer's test, 
photographic, 
234 
313 
. 390 
383, 386, 387, 
388 
. 239 
. 251 
260, 382, 
626 
251, 255 
. 248 
. 246 
. 241 
208, 211 
. 377 
225, 236 
220 
216 
of CO-hemoglobin, 240 
,, ,, ,, o x y h e m 0- 
globin, 225 
,, of reduced hemoglobin, 234,236 
,, ,, retinal pigments, . . 123 
,, ,, urine, .... 617 
,, ,, urobilin, .... 621 
,, ,, uroerythrin, . . . 625 
visible, . . . 208, 234 
Spermaceti, ...... 20 
Spermatozoa, composition of, . . 93 
,, nuclein of . . 65, 66 
Spermine, phosphate of, 94 
Spheres, salivary, .... 502 
Spider, poison of, .... 55 
,, urinary secretion of, . . 637 
,, web of, . . . . .76 
Spinal cord, percentage of proteids in, 24 
Spirographidin, . . . . . .64 
Spirographin, ..... 64 
Spirographis, hyalogen of, . . . 64 
Spirometer, . . . . . .752 
Splanchnic nerves, influence of, on gastric 
secretion, 539 
Spleen, chemistry of, . . . .87 
,, during inanition, . . . 890 
,, influence of, on metabolism, . 959 
Sponge, skeletin of, 
Spongin, 
Sputum mucin, 
Squirrel, hemoglobin of, 
193 
Starch, 
absorption of, 
action of ferments on, 
,, acids on, 
assimilation of, 
bacterial digestion of, 
cellulose, . 
digestion of, 
granulose, 
heat value of, . 
hydrolysis of, 
paste, 
soluble, 
74, 75, 76 
62 
195, 198, 
204, 206 
4, 13, 14, 473 
. 434, 435 
326, 393, 394 
. 396 
. 880 
. 470 
14 
393, 396, 556 
14 
834, 835, 837 
13, 14, 396 
. 14 
13, 14, 395 
