LIST OF DIAGRAMS 



IN COLOUE 



PLATK FACING PAGE 



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 



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 



