INDEX 



285 



Surface tension, 264 

 Suspension method for heart con- 

 traction, 63 



Table 



percentage of oxygen equivalent to 



nitrogen in expired air, 277 

 temperature corrections to reduce 

 readings of a mercurial 

 barometer with a brass 

 scale, 277 



tension of aqueous vapour, 277 

 for reducing gaseous volumes to 

 normal temperature and pres- 

 sure, 278 



of respiratory quotients, 279 

 Taste, 197 

 Temperature, effect of, on contraction, 



28 

 Temperature sense, 193 



effects on cardiac muscle of frog, 62 

 effects on cardiac muscle of turtle, 



68 



Tension of aqueous vapour, 277 

 Tetanic nature of voluntary contrac- 

 tion, 36 

 Tetanus, 35 



of smooth muscle, 44 

 Thermal stimulation, 15 

 Thoracic duct, dissection for exposure 



of, 218 



Tissot-Carpenter method for deter- 

 mining respiratory exchange, 118 

 Tone of smooth muscle, 43 

 Touch, sense of, 194 

 Transfusion, effect, on blood pressure, 84 



Transmission of sound waves in the ear, 



185 



Tropisms, 269 



Tricuspid valve, operation of, 223 

 Turtle heart, study of, 66 



Vagus, influence on heart, 62 



influence on respiration, 199 

 nerve in the frog, location of, 64 

 stimulation, effect on blood pres- 

 sure (dog), 81 



stimulation, effect on blood pres- 

 sure (rabbit), 89 

 Van't Hoff rule, 259 

 Valves of the heart, action of, 206 

 Vasoconstrictor nerves, demonstration 

 of in cervical sympathetic, 87 

 fibres, demonstrated by the ple- 



thysmograph, 202 

 Velocity of the nervous impulse, 48 



of transmission of pulse wave, 93 

 Venous curve, interpretation of, 95 

 Veratrine, influence of, on contraction, 



32 



Vision, 123 

 Visual axis, 151 



Volume of a contracting muscle, 25 

 Voltage, 9 

 Voluntary muscle, 14 



contraction, tetanic nature of, 35 



Wave of contraction, 24 

 Work, load and, 31 

 Writing point, 12 



Young-Helmholtz theory of colour 

 vision, 176 



