Xll LIST OF ILLUSTRATIONS. 



FIG. PAGE 



25. Section showing the ramifications of the bronchi in the lungs, 93 



26. Heart and principal arterial and venous trunks, 103 



27. Transverse section of the heart, 105 



28. Imaginary diagram of the course of the blood in the circula- 



tion, 116 



29. Cerebro-spinal nervous centre, 120 



30. Nervous system, 121 



31. Upper surface of the brain, 123 



32. Lower surface of the brain, . 124 



33. Section of the encephalon in the median line, 126 



34. Vertical section of the eye on the median line, 153 



35. Rods of Jacob under the microscope, 156 



36. Diagram illustrating "blind point " in retina, 161 



37. Course of the luminous rays in the eye, 162 



38. Diagram illustrating the visual angle, 164 



39. Accommodation of the eye to different distances, . . . . 167 



40. Diagram illustrating single vision with two eyes, . . . . 1 70 



41. Irradiation, 176 



42. Section showing the different parts of the ear, 183 



43. Experiment on the sensations of touch, 226 



44. Section of larynx in the median line, 229 



45. The glottis and vocal cords, 242 



