INDEX 



229 



Key, mercury, 10 

 — ■ spring, 10 



— trigger, 54 



Kidney, course of vaso-motor nerves to, 



200 

 Kidney-volume, action of caffeine on, 



195 



of digitalin on, 198 



of neurine on, 198 



— normal tracing, 194 

 Kronecker's frog-heart manometer, 137 

 Kuhne's curare experiment, 78 

 Kiihne's experiment of contraction with- 

 out metals, 147 



— sartorius experiment, 77 



Laryngeal, superior, action on respira- 

 tion, 202 

 Latent period of muscle contraction, 33 



of reflex action, 216 



Law of contraction, 93 



Leclanche battery, 3 



Leg-muscles of frog, 17 



Lever, crank, 26 



— simple, 25 



Load, influence of, on single twitch, 48 



Luciani's groups, 137 



Ludwig's stromuhr, 187 



Make, extra-current, 6, 19 



— - shock less than break-shock, 14, 18 



Manometer, 158 



— Fick's, 183 



— Hurthle's, 184 



— Kronecker's frog-heart, 137 



— mercury, 171 

 Marey's pneumograph, 206 



— sphygmograph, 164 



— tambour, 28 

 Maximal excitation, 26 

 Mechanical stimulation of nerve, 86 

 Mercury key, 10 



Minimal excitation, 26 

 Moist chamber, 18 

 Monochord, 91, 92 



Muscarine, action on frog's heart, 130 

 Muscle, excitation by constant current, 

 79 



— fatigue of, 66 



— forceps, 25 



— iso-electric when normal, 147 



— less excitable than nerve, 77 



— of frog's leg, 17 



— simple curve, 34 



— ■ thickening of, during a twitch, 71 



— wave of contraction, 73 

 rate of, 75 



Muscular excitability, independent, 76 



Neee's hammer, 8 

 Negative variation, 146 



nature of, 148 



Nerve, action of constant current on, 87 



— changes of conductivity during elec- 

 trotonus, 89 



of excitability during electrotonus, 



88 



— forms of stimuli for, 86 



— functions of, 85 



— more excitable than muscle, 77 

 Nerve-muscle preparation, 16 

 Nerve-cells, submaxillary, paralysed by 



nicotine, 212 

 Nerves of rabbit's neck, 170 



— to frog's heart, 120 

 Nervous impulse, velocity of, 94 

 Neurine, action on kidney, 198 



on mammalian heart, 144 



Nicotine, action on frog's heart, 133 

 on submaxillary gland, 212 



— effect on blood-pressure, 181 

 Non-polarisable electrodes, 83 



Oncograph, 191 

 Oncometer, Roy's, 189 



— air, 191 

 Ophthalmoscope, 222 



Paradoxical contraction, 156 



Pendulum myograph, 53 



Perfusion cannula for frog's heart, 136 



Perimeter, 225 



Period, latent, 33 



— of contraction, 33 



— of relaxation, 33 

 Pfliiger's law, 93 

 Phakoscope, 219 

 Pilocarpine on frog's heart, 131 

 Pithing a frog, 16 

 Plethysmography Schiifer's frog-heart 



136 

 Plethysmography method for frog's 



heart, 135 

 Pneumograph, Marey's, 206 

 Pohl's commutator, 12 

 Polar excitation of muscle, 80 



— — of nerve, 90 



— — Biedermann's method, Hi 



— — Engelmann's method, 81 

 Polarisation of electrodes, 81 

 Posterior root of spinal nerve, function 



of, 85 

 Potential, measurement of, 152 

 Pressor effect, 176 

 Pressure bottle for manometer, 171 

 Primary coil, 4 

 Pulse-wave as studied on the schema, 



162 



