HEARING.............................................. The Instrument of Taste.......... 157 157 Education the Controller of Thought.. Organs of Voice and Speech in Man....... Structure of the Windpipe......... Basement Ring of the Larynx............... Adam's Apple.................................. 18. Cruciferous Plant 19. Icosandrous Plant 20. Section of Coal Basin 21. Diagram of Planetary Orbit... 22. Digestive Apparatus of Man 23. View of the Thoracic Duct......................................................... 24. Chyle Vessels..... 25. Contraction of Striped Muscular Fibre 26. Diagram, illustrative of Muscular Action 27. Nerve Tubes, magnified 300 diameters 28. Areolar Tissue, magnified 320 diameters 29. Fat Vesicles, highly magnified 30. Red Corpuscles from Human Blood, magnified 400 diameters 32. Red Corpuscles of the Pigeon, magnified 400 diameters.......... 35. Blood Corpuscles of the Frog, magnified 400 diameters............ 37. Lungs, Heart, and Principal Blood-vessels in Man...................................... 95 ....................... ......................... ............................................................. 26 27 27 ....................... 38 ...... 38 39 39 40 41 42 53 ......... 61 X LIST OF ILLUSTRATIONS. PAGE FIG. 38. Ideal Section of the Heart.......................................................................................................................... 95 39. Plan of Foetal Circulation 96 ................................... 98 .......................................... 99 40. Plan of Warm-Blooded Circulation 41. Anatomy of the Heart in Situ. 42. Circulation in the Batrachia...................................................................................................................... 100 43. Circulation in Fishes 100 66 45. 66 Lobster 48. Section of Mucous Membrane of Dog, highly magnified 49. Air Tubes and Lung in Man 50. Air Tubes and Lungs of Birds..... 51. Section of Kidney in Man..... 52. Section of Bird's Egg...... ................. 53. Embryo of Birds, after three days' incubation... 54. Embryo at fifth day......... 55. Formation of the Allantois. 56. Locomotion of Hydra viridis. 58. Glaucus Fosteri...... 59. The Leech (Hirudo officinalis) 60. Suckers of Blue-Bottle Fly. 102 64. Vertebræ of Serpent..................... 136 65. Ribs of Serpent......... 136 66. Sucker of Lacerta Gecko........ 137 76. Lateral and Full View of Eyeball of Owl........................... 150 77. Ears of Peregrine Falcon, Day Owl, Tawny Owl, Long-eared 93. Section of Tongue, Pharynx, and Larynx of Porpoise............ 201 |