LIST OF DIAGRAMS 



IN COLOUE 



>LATK FACING PAOK 



I. THE INNERVATION OF THE HEART (AFTER POWELL) 122 



II. DIAGRAM OF A LOBULE OF THE LUNG (AFTER STOHR) 183 



III. THE RESPIRATORY CENTRE AND ITS CONNECTIONS 204 



FIG. PAGE 



1. ABSOLUTE NUMBER OF LEUCOCYTES PER CUBIC 



MILLIMETRE AT DIFFERENT AGES - 88 



2. DIFFERENTIAL PERCENTAGE COUNTS THROUGHOUT 



LIFE (AFTER CARSTANJEN) - 89 



3. SERIES OF VENTRICULAR SYSTOLES (AFTER WENCKE- 



BACH) - - - 118 



4. HEART SOUNDS 138 



5. PULSE TRACING, SHOWING VENTRICULAR INTER- 



MISSION (AFTER CUSHNY) - 138 



6. PULSE TRACING, SHOWING AURICULAR INTERMISSION 



(AFTER CUSHNY) - - 139 



7. CHANGE IN SHAPE OF AN ARTERY DURING PASSAGE 



OF THE PULSE WAVE - -145 



8. SPHYGMOGRAM OF RADIAL PULSE (MACKENZIE) - 148 



9. INFUNDIBULUM AT THE END OF COMPLETE INSPIRA- 



TION AND EXPIRATION (HARRY CAMPBELL) - 184 



xi 



