INDEX. 



A. 



Absorption of food, 20.. 



Acquired characters, inheritance of, 



164, 165, 166, 167, 171. 



variations, 159, 160. 



Amoeba l 73. 



Anatomical evidence for evolution, 



142. 



Aquacity, 80. 



Arm compared with wing, 144. 

 Aristotle, i. 



Assimilation, 80, 124, 149, 176. 

 Asters of dividing cells, 98. 



B. 



Barry, 63, 64. 

 Bathybias, 84. 



Biology a new science, i, 5, 15. 

 Blood, 35, 36, 38, 69, 73. 

 Blood-vessels, 35, 36. 

 Body as a machine, 22, 25, 49. 

 Bone cells, 69. 



Building of the living machine, 131, 

 134, 136, 137, 167, 175, 180. 



C. 



Cartilage cells,^68. 



Cell as a machine, 126, 128. 



description of, 69. 



division, 95, 96, 101. 



discovery of, 58. 



doctrine, 60. 



substance, 65, 125. 



Cells, 56, 84, 86, 118, 119. 



Cellular structure of organisms, 65. 



Cell wall, 64, 72. 



Centrosome, 94, 96, 97, 101, 103, 



105, no. 

 Challenger expedition, 83. 



Chemical evolution, 179. 



Chemical theory of vitality, 14 ; of 



life, 78, 116. 



Chemism or mechanism, 57, 176. 

 Chemistry of digestion, 27, 28 ; of 



protoplasm, 76 ; of respiration, 38. 

 Chromatin, 92, 94, 96, 102, 149, 153. 

 Chromosomes, 97, 98, 101, 105, 108, 



no, 113, 152. 

 Circulation, 34. 

 Colonies of cells, 85. 

 Comparison of the body and a ma- 

 chine, 22. 

 Congenital variations, 158, 160, 163 ; 



inheritance of, 164. 

 Connective-tissue cells, 70. 

 Conservation of energy, 7 17. 

 Consciousness as a factor in machine 



building, 173. 

 Constructive chemical processes, 50, 



51,52, 124. 



Continuity of germ plasm, 155. 

 Correlation of vital and physical 



forces, 13, 16, 22, 23, 24, 25. 

 Cytoblastema. 62. 

 Cytology, 10. 



D. 



Darwin, 8r. 



Death of the cell, 127. 



Decline of the reign of protoplasm, 



85- 

 Destructive chemical processes, 50, 



51, 5?, 125. 

 Dialysis, 29, 30, 31. 

 Digestion, 27. 



E. 



Egg, 10-3, 120, 152. 



division of, 63. 



189 



