14: CONTENTS 



LESSON XI PAGE 



THE BLOOD (Continued) 73 



The Counting of Human Blood-corpuscles. Specific Gravity and Ap- 

 pearance of Blood 73 



LESSON XII 



THE BL09D (Concluded) 77 



Medicolegal Tests for Blood 77 



LESSON XIII 



THE HEART 79 



Registration of the Heart-beat. Refractory Period. Extrasystole. Ex- 

 cised Heart. Action of Strips of Ventricular Tissue 79 



LESSON XIV 



THE HEART (Continued) 85 



Inhibition and Acceleration of the Simple Heart. Action of Nicotin, 



Atropin, and Muscarin 85 



LESSON XV 



THE HEART (Continued) 89 



Stannius' Experiment. Staircase Phenomenon. Summation of Stimuli. 

 Action of the Constant Current, Ether, and Chloroform. Dissection 

 of the Mammalian Heart 89 



LESSON XVI 



THE HEART (Continued) 91 



The Beating Mammalian Heart. Heart-block. Fibrillation 91 



LESSON XVII 



THE HEART (Concluded) 95 



Percussion and Auscultation of the Human Heart Under Different Con- 

 ditions 95 



LESSON XVIII 



THE CIRCULATION 99 



The Capillary Circulation. Conversion of an Intermittent Into a Constant 



Flow. Schema of the Circulation 99 



LESSON XIX 



THE CIRCULATION (Continued) 103 



The Cause and Velocity of the Pulse. Direct Method of Ascertaining the 



Blood-pressure 103 



LESSON XX 



THE CIRCULATION (Continued) 109 



Venous Valves. Influence of Dyspnea Upon the Blood-pressure. Action 



of Amyl Nitrite and Ardenalin. Hemorrhage 109 



LESSON XXI 



THE CIRCULATION (Continued) 113 



The Effect of Division and Stimulation of the Vagus Nerve Upon the Blood- 

 pressure and Action of the Heart 113 



LESSON XXII 



THE CIRCULATION (Continued) 117 



The Vasomotor Action of the Cervical Sympathetic, Depressor, and Sciatic 



Nerves . . 117 



