10 LIST OF ILLUSTRATIONS. 



FIG. PAGE 



28. Heart and large vessels, 109 



29. Section of the heart, 1 10 



30. Form of the pulse, 116 



31. Valves of the veins, . . . . . . . 117 



32. Web of frog's foot, magnified, 119 



33. Circulation in a frog's foot, 119 



34. Organs of the chest, 124 



35. Larynx, trachea, and bronchial tubes, . . . .125 



36. Diagram of the structure of the air-cells, . . . 125 



37. Section of the lungs, . . . . . . .126 



38. Section of mouth and throat, 127 



39. Ciliated cells, 128 



40. Cerebro-spinal system, . . . . . . 151 



41. Upper surface of the cerebrum, 153 



42. Vertical section of the brain, 154 



43. Base of the brain, 155 



44. Brain and spinal cord, . . . . . . 156 



45. Sense of touch, 185 



46. Section of nasal cavity, 193 



47. Front view of th^^ye, ....... 200 



48. Vertical section of eye, ...... 202 



49. Diagram for blind point of eye, 207 



50. Retinal image, . . . . . . 210 



51. Different shapes of the globe of the eye, . . .212 



52. Function of accommodation, 214 



53. Diagram of the ear, 218 



54. Section of the ear, 221 



55. Section of larynx and trachea, . . 229 



56. View of vocal cords by the laryngoscope, . . . 232 



57. Different positions of vocal cords, .232 



58. Simple microscope, 238 



59. Compound microscope, 239 



60. Household microscope, ...... 240 



61. Popular microscope., 241 



