138 
regulation by peripheral 
constriction of peripheral 
veins, 74 
Ventilation in mines, 19 
Vicarious function, 97 
“Vital force,” 110 
“Vital mechanisms,” 77 
“Vital principle,” 2, 4, 82, 
110, 112 
“Vital spirit,” 110 
Vitalism, 2, 4, 82, 87, 110, 112, 
113 
and regulation of breath- 
ing, 17 
Vitalistic theory, 111 
of regulation, 4 
Vitiated air, 18 
INDEX 
Voluntary control of respira- 
tion, 11 
Von Baer, 3 
Von Bezold, 73 
Water excretion, 77 
Water intake, effect on 
haemoglobin percentage, 
78 
effect on kidney secretion, 
79 
effect on sodium chloride 
of urine, 78 
Water regulation in blood, 
77, 78, 79 
Weber brothers, 73 
Wollin, 25 
