INDEX 



Absolute force of muscle, 52 

 Acceleration of heart by sympathetic, 



126 

 Accomodation, 218 

 After-load, 42 



Ammonia, excitation of muscle by, 78 

 Anelectrotonus, 88 

 Anodic contraction, 80 

 Anterior root of spinal nerve, function 



of, 86 

 Apex-time in isometric curves, 42 

 Artificial respiration apparatus, 138 

 Asphyxia, action of heart during, 144 



— changes in blood-pressure during, 

 182 



Atropine on frog's heart, 131 



Batteries, 1, 2, 3 

 Beat of heart, record of, 98 

 Bernard's curare experiment, 76 

 Biedermann's fluid, 103 

 Blood-flow, velocity of, 188 

 Blood-pressure, arrangement of appa- 

 ratus for, 168 



— effect of asphyxia, 182 

 nicotine, 181 



stimulation of depressor nerve, 



175 

 of vagus, 177, 186 



— mean general, 182 



— normal tracing, 172 



Brain, behaviour of frog when its brain 



is destroyed, 214 

 Break, extra-current, 14, 19 

 Break-key, 30 

 Break-shock greater than make-shock, 



14,18 

 Bunsen battery, 2 



Caffeine citrate, action upon the heart, 

 143 



— upon the kidney, 195 



Cannula, arterial, 170 



— perfusion, 136 



Capillary electrometer, 154 

 Cardiogram, 145 

 Cardiograph, Marey's, 144 

 Chemical stimulation of nerve, 86 

 Chorda tympani, dissection of, 211 



stimulation of, 212 



Chronogram, 22 

 Chronograph, 23 

 Circulation, schema of the, 157 

 Coil, induction, 4 

 Colour-blindness, 225 



— vision 224 

 Commutator, Pohl's, 12 

 Conductivity of nerve, changes during 



electrotonus, 90 

 Constant current, action on nerve, 87 



excitation of muscle by, 79 



Contact key, 10 

 Contraction, Law of, 93 



— paradoxical, 158 



— period, 33 



— secondary, 148 



— wave in muscle, 73 



— with metals, 147 



— without metals, 147 

 Contractur, 67 



Convulsions, effect upon blood-pressure, 



182 

 Crank lever, 26 

 Crescent in frog's heart, 98 



— stimulation of, 125 

 C-spring manometer, 183 

 Curare, effect on muscle, 76 

 Current, constant, action on nerve, 87 



— of action of muscle, 151 



— of injury, 151 



— of rest, 146 

 Cut-out key, 13 

 Cylinder, recording, 24 



Daxiell battery, 1 



Depressor nerve, action of, 175 



anatomy of, 170 



Dicrotic notch and wave, 165 



