INDEX 



501 



Urea, retention of, 225 



velocity quotient of, dog, 380 



washing out of, 230 f. 

 Ureters, ligation, and blood volume, 157 

 Urine, concentrations in, 224 f ., 241 



hypotonic to plasma, in frog, 413 



production, 110, 215, 223 



see also Water, paths of exchanges 



Value, physiological, measures of, 417 

 Vaporization, see Heat, paths of exchanges 

 Variabilities, 361-364 

 of blood volume, 156 f . 

 of contents, heat, 6, 303; water, dog, 73- 



78; frog, 116, various species, 175 

 of exchanges, water, dog, 78-85; vari- 

 ous species, 174 f . 

 of loads, 5, 361 

 various components, 362 

 Variables, choice of, for study, 422 ff. 

 combinations of, see Combinations 

 independent, 416 

 interrelations among, 284 ff. 

 kinds of, 12, 206 f ., 279, 396 ff., 423 ff. 

 physiological, defined, 422 

 scope of, 280-284 

 Variation, coefficients of, 74, 175, 361 

 Velocity diagram, 40 



Velocity quotients (fc), defined, 37, 203, 

 388, 397 

 excitability, 358 

 in dog, glucose, 337, 378, 388; water, 37, 



58 

 in man, 185, 372, 377 ff. 

 in relation to load, 378 

 in tissues, 166 

 net, 37, 379 

 total, 37, 379 

 water, 187, 283 

 Ventilation, pulmonary, 842, 345, 361 

 Vole (Microtus), 198 

 Volume, erythrocyte, 210, 239 

 extracellular, 209, 248 

 measurement of changes in, 159; cells 

 and nuclei, 160; isolated cells, 

 164 f.; isolated muscles, 163; iso- 

 lated parts, 161 ; method, 152, 159 f ., 

 207 

 non-solvent, 260 



of blood, and water load of body, 156, 

 213-224; compensations, 154, 166, 



257; dog, 213-224; equilibrations, 

 156 ff.; in general, 257; method, 

 154-155; negative increment by 

 transfusion, 154; rabbit, 153-158, 

 166; rates of exchange, 154, 156; 

 rates of recovery, 156 f . ; tissues 

 concerned in restoration, 157 ; total, 

 156; variability of, 156 f.; see also 

 Blood 



of distribution, defined, 151 f . ; in rela- 

 tion to body water, dog, 208-224; 

 man, 238 f . ; mean, in dog, man, 

 rabbit, 153 



of parts, 207-210 



of plasma, equilibration, 157 f . ; load, 

 157, 208 ; variability, 156 f . ; see 

 also Plasma 



of tissues, in water loads, dog, 207-210; 

 frog, 246; man, 238 f. 



regulation of, in general, 151-167, 397 



relations, in general, 151-167 



velocity quotients of, 166 



Water, absorption, dog, 22, 24, 26, 30; man, 

 101; rat, 250 



administration, route of, 51-54, 58 



balance, 68 



behavior toward, dog, 72; rat, 129-131; 

 various species, 195 



comparisons of exchanges, 102, 172 



correlations, similarities and differences 

 in, 168 



content, analytical, of various species, 

 195-197; maintenance of, theories 

 about, 235, 296; measures of, 77, 

 207 



deficit, Ameia, 148; Arbacia egg, 145; 

 Bipalium, 144; dog, 27-32, 47 f.; 

 frog, 110, 114; Helix, 135; insects, 

 137 f.; Limax, 134; Luvtibricus, 143; 

 man, 95-99; marine animals, 159; 

 plants, 148; rabbit, 123, 125; rat, 

 126 f.; reptiles (snake), 132-134 



drinking, 150; dog, 27-30, 47, 61, 66, 

 267; insects, 138; man, 96-98; rab- 

 bit, 123; rat, 126; reptiles, 132; 

 various mammals, 182 



economy quotients, 170 



equilibration, 166; Ameha, 148; Arbacia 

 egg, 145; dog, 36, 268; frog, 120; 

 Helix, 135; insects, 138; Limax, 



