LIST OF ILLUSTRATIONS 



FIG. PAGE 



1. PHOTOMICROGRAPHS OF BRAIN-TISSUE - - Frontispiece 



2. THE ORGANS OF THE CHEST AND ABDOMEN - - xi 



3. Mucous GLAND, CAPILLARIES, AND CONNECTIVE-TISSUE SPACES - 38 



4. BLOOD-CORPUSCLES - - 60 



5. SPLEEN-PULP, WITH PHAGOCYTES - - 81 



6. DUODENUM AND NEIGHBOURING ORGANS - - 99 



7. A LOBULE OF THE LIVER AND LIVER-CELLS - - 160 



8. THE DIAPHRAGM DURING INSPIRATION AND EXPIRATION - - 172 



9. THE KIDNEY - 197 



10. THE HEART IN LONGITUDINAL SECTION - - 218 



11. HORIZONTAL SECTION OF THE HEART, SHOWING ITS VALVES - 225 



12. SECTION OF THE WALL OF A SMALL ARTERY - 233 



13. KYMOGRAPH - - 238 



14. SPHYGMOGRAPH - 244 



15. BLOOD -PRESSURE TRACINGS - 245 



16. MINUTE STRUCTURE OF MUSCLE-FIBRES - - 262 



17. THE BICEPS MUSCLE IN ACTION - - 286 



18. ELECTRIC ORGAN OF SKATE - 289 



19. MINUTE STRUCTURE OF A NERVE-FIBRE - . 296 



20. GANGLION- CELLS WITH NEURO-FIBRILL^B OF THE LEECH - - 298 



21. THE DEVELOPMENT OF THE GRANULES OF THE CEREBELLUM - 304 



22. TlGROIDS AND NEURO -FlBRILLJE - - 321 



23. MINUTE STRUCTURE OF THE CORTEX OF THE CEREBELLUM - 339 



24. MINUTE STRUCTURE OF THE CORTEX OF THE CEREBRUM - - 347 



25. FUNCTIONAL AREAS OF THE CORTEX OF THE CEREBRUM - - 352 



26. TASTE-BULBS - 368 



27. HORIZONTAL SECTION OF THE EYE - 373 



28. DEVELOPMENT OF THE CRYSTALLINE LENS - 374 



29. PURKINJE'S SHADOWS OF THE VESSELS OF THE RETINA - - 375 



30. RETINA ADAPTED FOR OBSCURITY AND FOR BRIGHT LIGHT - 377 



31. SIMULTANEOUS CONTRAST - - - 383 



32. FORMATION OF AN IMAGE ON THE RETINA 391 



33. THE FORM OF THE EYEBALL IN SHORT SIGHT, NORMAL SIGHT, AND 



LONG SIGHT ..... . 392 



ix 



