190 THE STORY OF THE LIVING MACHINE. 



Egg, fertilization of, 102. 



Embryological evidence for evolu- 

 tion, 140. 



Energy of nervous impulse, 43, 54. 



Environment, 171. 



Evidence tor evolution as a method 

 of machine building, 139, 145. 



Evolution, 9, 16, 81, 134. 



Experiments with developing eggs, 

 121. 



F. 



Fat, absorption of, 32. 

 Female pronucleus, no. 

 Fern cells, section of, 67. 

 Fertilization of the egg, 95, 102 ; 



significance of, 112. 

 Fibres in protoplasm, 87 ; in spindle, 



98, ioj. 

 Forces at work in machine building, 



148, 176, 181. 

 Formed material, 64. 

 Free cell formation, 64. 



G. 



Geological evidence for evolution, 



i39- 

 Germ plasm, 154. 



H. 



Heart as a pump, 35. 



Heat, 24, 44, 45. 



Heredity, 148, 150, 176 ; explana- 

 tion of, 152. 



Hereditary traits, 113, 153. 



Historical geology, 6. 



History of the living machine, 133, 

 147. 



Horses' toes, loss of, 172. 



Huxley, u, 75, 83, 84. 



Irritability, 54. 

 Isolation, theory of, 170. 



K. 



Karyokinesis, 96, 101. 

 Kidneys, 41. 



L. 



Leaf, section of, 66. 

 Life the result of a mechanism, 115, 

 177. 



Lin in, 92, 103. 

 Linnaeus, i. 

 Lyell, 6. 

 Lymph, 36, 37. 



M. 



Machine defined, 20. 



Machines the result of mechanical 

 forces. 1 1 6. 



Male cell, 104, 107. 

 pronucleus, 109. 



Maturation of the egg, 104. 



Mechanical nature of living organ- 

 isms, 12. 



Mechanical theory of life, 81, 144. 



Membrane of the nucleus, 92, 101. 



Mental phenomena, 47, 48. 



Metabolism, 54. 



Microspmes, 87. 



Migration, theory of, 170. 



Monera, 88. 



Movement, 54. 



Muscle, 36, 71. 



N. 



Natural selection, 167. 

 Nerve-fibre cell, 70. 

 Nervous energy, 42, 44. 



system, 41. 



New biological problems, 15. 

 Nucleolus, 65, 92, 94. 

 Nucleuses, 84, 87, 93, 101, 103, 113, 

 124, 149 ; formation of new, 101. 



function of, 89, 90, 95. 



presence of, 87, 88, 89. 



structure of, 91. 



O. 



Organic chemistry, 78. 

 Organic compounds, artificial man- 

 ufacture of, 78, 82. 

 Origin of cell machine, 178, 179, 180. 

 Origin of life, 81, 182. 

 Osmosis, 29. 

 Oxidation, 80, 176. 

 as a vital process, 39, 56. 



P. 



Philosophical biology, 4. 

 Physical basis of life, 75. 

 Polar cells, 107. 

 Potato, section of cells, 67. 

 Properties of chemical compounds, 

 79- 



