LIST OF ILLUSTEATIONS. 



PLATE I., Fig. 1. Human blood-corpuscles (Stratford) ) . 



" 2. Blood of Guinea-pig (Sternberg) ... [ acmg page 



PLATE II., Fig. 1. Human embryon at the ninth week ) ._ 



" 2. Human embryon at the twelfth week \ (Erdl) facmg pase 8 5 



FIGURE PAGE 



1. Human blood-corpuscles (Sternberg) 6 



2. Human red blood-corpuscles arranged in rows (Funke) 7 



3. Blood-corpuscles of the frog (United States Army Medical Museum) 8 



4. Artificial capillary filled with a sanguineous mixture, seen under a micrometer (Malas- 



sez) 9 



5. Human blood-corpuscles, showing post-mortem alterations (Funke) 9 



6. Human leucocytes, showing amoeboid movements (Landois) 12 



7. Human red blood-corpuscles and two leucocytes (Sternberg) 14 



8. Blood-plaques and their derivatives (Landois) 16 



<J. Crystallized haemaglobine (Gautier) 18 



10. Coagulated fibrin (Robin) 28 



1 1 . Heart in situ (Dalton) 32 



12. Course of the muscular fibres of the left auricle (Landois) 33 



13. Heart, anterior view (Bonamy and Beau) I 33 



14. Left cavities of the heart (Bonamy and Beau).. 34 



15. Eight cavities of the heart (Bonamy and Beau) 35 



16. Muscular fibres of the ventricles (Bonamy and Beau) 36 



17. Branched muscular fibres from the heart (Landois) 37 



18. Valves of the heart (Bonamy and Beau) 37 



19. Diagram showing shortening of the ventricles during systole 40 



20. Side view of the heart (Landois) 40 



21. Cardiograph (Chauveau and Marey) 41 



22. Scheme of the course of the accelerans fibres (Stirling) 55 



23. Small artery from the mesentery of the frog (United States Army Medical Museum). . . 63 



24. Sphygmograph of Marey 67 



25. Sphygmograph applied to the arm (Marey) 68 



26. Trace of the pulse (Vierordt) 68 



27. Portions of four traces taken in different conditions of the pulse (Marey) 68 



28. Cardiometer of Magendie (Bernard) 72 



29. Compensating instrument of Marey 73 



30. Chauvcau's instrument for measuring the rapidity of the flow of blood in the arteries. 76 



31. Capillary blood-vessels (Landois) 78 



32. Small artery and capillaries (United States Army Medical Museum) 80 



33. Web of the frog's foot (Wagner) j 81 



34. Circulation in the web of the frog's foot (Wagner) 82 



