LIST OF ILLUSTEATIONS. 



FIGURE 



PAGE 



1. Human coloured blood-corpuscles, . . . 



2. Malassez's apparatus for estimating the number of blood-corpuscles, . 

 *3. Gower's heemacytometer (Hawksley), . 



4. Red blood-corpuscles showing various changes of shape, 



5. Vaso-formative cells, - . 



6. White blood -corpuscles, J . 



7. Blood-plates and their derivatives, . ; 



8. Haemoglobin crystals, . . . . > .24 

 *9. Gower's haemoglobinometer (Hawksley), 26 



10. Scheme of a spectroscope, . . 28 



11. Various spectra of hsemoglobin, * ... 29 



12. Hgemin crystals, ........ 34 



13. Haemin crystals prepared from traces of blood, ... 34 



14. Haematoidin crystals, . . ... 35 



15. Scheme of Pfliiger's gas-pump, . . ... 53 



16. Scheme of the circulation, . ... 65 



17. Muscular fibres from the heart, ..... 66 



18. Muscular fibres in the left auricle, ..... 68 



19. Muscular fibres in the ventricles, ..... 70 

 *20. Lymphatic from the pericardium (Cadiat), . . . .71 

 *21. Section of the endocardium (Cadiat), . . . . .71 

 *22. Purkinje's fibres (Ranvier), ...... 73 



23. Cast of the ventricles of the human heart, . . . .77 



24. The closed semilunar valves, ...... 78 



*25. Various cardiographs (Hermann), ..... 81 



25a. Curves of the apex-beat, ...... 82 



26. Changes of the heart during systole, ..... 83 



27. Curves from a rabbit's ventricle, . . . .86 

 *28. Marey's registering tambour (Hermann), .... 87 



29. Curves obtained with a cardiac sound, .... 88 



30. Curves from the cardiac impulse, ..... 90 



31. Position of the heart in the chest (Luschka and Gairdner), . . 93 

 31a. Bipolar nerve-cells from a frog's heart, . . . .98 



*32. Scheme of a frog-manometer (Stirling), ..... 102 



*32a. Perfusion cannula (Kronecker and Stirling), . . . .102 



*33. Roy's tonometer (Stirling), ...... 103 



*34. Luciani's groups of cardiac pulsations (Hermann), . . , 104 



*35. Curves of a frog's heart at different temperatures (Hermann), . 105 



36, Cardio-pneumograph of Landois, 4 , , 110 



