.LIST OF FIGURES. xlv 



FIG. PAGE 



37. Marey's tambour, with cardiac sound 192 



38. Tracings from right auricle and ventricle of horse (Chauveau and Marey) 193 



39. Curves of endocardiac pressure by means of piston manometer . . 194 



40. The membrane manometer of Hiirthle 194 



41. Diagram of the same 195 



42. Curve of ventricular pressure : membrane manometer .... 19G 



43. Stolnikow's apparatus for measuring the output of the heart . . 198 



44. Cardiometer of Roy and Adami 199 



45. Tracing from the heart of a cat, by means of a light lever . . . 200 

 40. Cardiograms 201 



47. Myocardiogram 202 



48. Diagram of application of aortic and ventricular catheters . . . 203 



49. Simultaneous tracings of ventricular and aortic pressure . . . 204 



50. Diagram of the differential manometer of Hiirthle .... 204 



51. Simultaneous curves of aortic and ventricular pressure, and of the 



differential manometer ; descending systolic plateau . . . 205 



52. The same, with the recording surface travelling rapidly . . . 205 



53. Simultaneous curves of aortic and ventricular pressure and of the 



differential manometer ; ascending systolic plateau . . . 208 



54. Diagram of ventricular and aortic pressure and of the cardiac impulse 209 



55. Maximum and minimum manometer 210 



56. Fick's spring manometer 220 



57. Diagram of a sphygmograph 221 



58. Pulse tracing from radial artery 223 



59. Diagram of artificial pulse tracings 224 



60. Diagram of progression of pulse wave 225 



61. Pulse tracing with different pressures 226 



62. Pulse tracing from dorsalis pedis artery 227 



63. Pulse tracing from carotid artery 230 



64. Anacrotic pulse tracing 231 



65. Dicrotic pulse tracing 231 



66. A perfusion cannula 240 



67. Diagram of apparatus for registering the beat of a frog's heart . . 241 



68. Inhibition of heart beat in the frog 245 



69. Diagram of the course of cardiac augmentor fibres in the frog . . 247 



70. Cardiac inhibition in the mammal 250 



71. The course of cardial inhibitory and augmentor fibres in the dog. . 254 



72. Diagram of the course of vaso-constrictor fibres 266 



73. Diagram of the nerves of the submaxillary gland 267 



74. The depressor nerve 281 



75. Rise of pressure due to stimulation of the sciatic nerve . . . 282 



76. Diagrammatic representation of the submaxillary gland of the dog 



with its nerves and blood vessels 334 



77. Alveoli of the pancreas of a rabbit at rest and in activity . . . 341 



78. Changes in the parotid gland during secretion 343 



79. Sections of the parotid gland of the rabbit at rest and after stimula- 



tion of the cervical sympathetic nerve 344 



80. Mucous cells from the fresh submaxillary gland of the dog . . . 344 



81. Alveoli of dog's submaxillary gland in loaded and in discharged phases 345 



82. Gastric gland of mammal (bat) during activity 346 



