xx CONTENTS 



CHAPTER II. 



VAOB 



1. Reaction of blcod - 62 



2. Specific gravity of blood - 62 



3. Coagulation of blood - - 62 



4. Preparation of fibrin -ferment - -65 



5. Preparation of extracts containing thrombokinase - 65 



6. Serum - 65 



7. Action of serum on artery rings - 66 



8. Comparison of action of serum and epinephrin on artery rings 66 



9. Comparison of action of serum and plasma on artery rings - 66 



10. Enumeration of the blood-corpuscles - 67 



11. Haematocrite - 68 



12. Electrical conductivity of blood - 68 



13. Opacity of blood - 70 



14. Laking of blood - 70 



15. Haemolysis and agglutination - 71 



1 6. Osmotic resistance of coloured corpuscles - - 73 



17. Blood-pigment - 73 



(1) Preparation of haemoglobin crystals - - 73 



(2) Spectroscopic examination of haemoglobin and its 



derivatives - 74 



(3) Guaiacum test for blood - 76 



(4) Quantitative estimation of haemoglobin - - 76 



(5) Haemin test for blood-pigment - 78 



CHAPTER III. 



1. Microscopic examination of the circulating blood - - 191 



2. Anatomy of the frog's heart - - 191 



3. Beat of the heart - 192 



4. Apex of the heart - 192 



5. Heart tracings - 192 



6. Dissection of vagus and cardiac sympathetic in frog - - 194 



7. Stimulation of the vagus in the frog - - 196 



8. Stimulation of the junction of the sinus and auricles - - 196 



9. Action of muscarine and atropia on the heart - 197 



10. Stannius' experiment - - 197 



11. Stimulation of cardiac sympathetic in frog - - 197 



12. Action of inorganic salts on heart-muscle - - 198 



13. Action of the mammalian heart - 199 



14. Perfusion of the isolated mammalian heart - - 203 



15. Action of the valves of the heart - 204 



1 6. Sounds of the heart - - 205 



17. Cardiogram - - - - 205 



