ILLUSTRATIONS 



Fig. Page 



35. Motor points on the anterior surface of the forearm 



and hand 128 



36. Motor points on the posterior surface of the forearm 129 



and hand 



38. Brass electrodes 132 



42. Gas chamber, with bottle for generating carbon 



dioxide 172 



43. Sartorius 181 



44. Gracilis .183 



48. Scheme of myomeres in a parallel-fibred muscle . . 298 



49. Scheme of myomeres in an oblique section . . . 299 



50. Vibrating interrupter 303 



51. Vibrating interrupter arranged to make one contact 



per second 304 



53. Heart lever 311 



54. Scheme of differential rheotome 313 



58. Volume tube r 332 



59. Muscle warmer . 343 



60. Heavy muscle lever 351 



61. Ergograph 354 



62. Work adder 359 



63. Lantern and optical box 404 



65. Reduced eye 459 



67. Respiration scheme 504 



68. Quantitative circulation scheme 512 



69. Mercury manometer 523 



70. Sphygmograph 527 



71. Sphygmograph tambour 528 



72. Scheme of sympathetic nerve in frog 556 



73. Scheme of cervical nerves in frog 558 



74. View of brain of frog from above 565 



