viii CONTENTS 



CHAP. PAGE 



XVI. The Sino-auricular Junction. The Action of Drugs. 



By Leonard Hill, 70 



XVII. The Effect of Nicotine, Chloroform, and Ether upon the 



Heart. By L. H., - 73 



XVIII. Dissection of the Heart. The Cardiac Impulse. ByL.H., 76 



XIX. The Pulse. Human Blood Pressure. By L. H., - - 80 



XX. Blood. The Haemoglobin oineter and the Haemacyto- 



meter. By L. H., - - - - - - - 86 



XXI. Inspection and Auscultation of the Thorax. By L. H., 89 



XXII. Body Heat and Secretion of Sweat. By L. H., - - 92 



XXIII. The Functions of the Central Nervous System. By M. S. 



Pembrey, -'--'-- - - - - 94 



XXIV. The Action of Strychnine and of Chloroform. By 



M. S. P., - - - - > ' > "' C' % - 96 



XXV. The Dissection of the Eye. By J. S. Edkins, - - 97 



XXVI. The Eefracting Media of the Eye. By J. S. E., ~ 98 



XXVII. The Eetina. By J. S. E., - 106 



XXVIII. The Optical Defects of the Eye. By J. S. E., - - - 112 



XXIX. The Instruments used in the Clinical Investigation of the 



Eye. By J. S. E., - ... - 115 



XXX. Circulation of the Blood. By Leonard Hill, - - - 119 



XXXI. Circulation (continued). Velocity of Flow. By L. H., - 123 



XXXII. Circulation (continued). The Influence of Gravity. By 



L. H., -... 124 



XXXIII. Vaso-motor System. Circulation Time. By L. H., - 125 



XXXIV. Blood Pressure. By L. H., - ' - - 126 

 XXXV. Blood Pressure (continued). By L. H., - - - - 128 



XXXVI. Eespiration. By L. H., - - - * - - - 136 



XXXVII. Eespiration (continued). Nervous Control of Eespiration. 



By L. H., ... 1 . . -' - - 139 



XXXVIII. Intra-thoracic pressure. ByL.H., ... - 141 



XXXIX. The Chemistry of Eespiration. ByL.H., -' - 142 



XL. Eespiration Apparatus. ByL.H., - -.. . v - 145 



XLI. Gases of the Blood. ByL.H., v , r - .^ - 148 



XLII. The Movements of the Alimentary Canal. By L. H., - 151 



XLIII. Salivary Secretion. ByL.H., - - .- - - 153 



XLIV. Gastric and Pancreatic Secretion. ByL.H.,- - - 156 



XLV. Absorption. ByL.H., - - - - ''-'-' - - 158 



