ILLUSTRATIONS 



FIG. 

 I. 



2. 



3- 



4- 



5- 

 6. 



7- 

 8. 



9- 



lO. 



II. 



12. 



13- 



14. 



15- 

 16. 



17- 

 18. 



19. 



20a 



20b 

 21. 



22. 



23- 

 24. 



25- 

 26. 



27. 



28. 



29. 



Vesalius 



Aristotle, 384-322 b.c, 



Pliny, 23-79 a.d., 



Galen, 131-200, 



Vesalius, 15 14-1565, 



Anatomical Sketch from Vesalius' Fahrica (1543), 

 The Skeleton from Vesalius' Fabrica, . 

 Initial Letters from the Fabrica, . 



Fallopius, 1523-1563, 



Fabricius, Harvey's Teacher, 1537-1619, 

 William Harvey, 15 78-1 65 7, .... 

 Scheme of the Portal Circulation according to 



(1543), 



Hooke's Microscope (1665), .... 



Malpighi, 1 628-1 694, 



From Malpighi's Anatomy of the Silkworm (1669), 



Swammerdam, 1 63 7-1 680, 



From Swammerdam's Biblia Natures, . . . . 



Anatomy of an Insect Dissected and Drawn by Swammerdam 



Leeuwenhoek, 1632-1723, .... 



Leeuwenhoek's Microscope, .... 



. Leeuwenhoek's Mechanism for Examining the Circulation 



of the Blood, 



, The Capillary Circulation, after Leeuwenhoek, 



Plant Cells from Leeuwenhoek's Arcana Natures, 



Lyonet, 1 707-1 789, 



Larva of the Willow Moth, from Lyonet's Monograph 



(i75o)> 



Muscles of the Larva of the Willow Moth, from Lyonet's 



Monograph, 



Central Nervous System and Nerves of the Same Animal, 



Dissection of the Head of the Larva of the Willow Moth, 



The Brain and Head Nerves of the Same Animal, . 



roesel von rosenhof, 1705-1759, ...... 



Reaumur, 1683-175 7, . , 



xxiii 



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49 

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74 

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79 

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83 

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92 



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