INDEX 



163 



Herbivora, 81. 

 Heredity, 



chromosomes in, 117. 



genes in, 121. 



mechanism of, 115, 117, 122. 



relation to evolution, 119. 

 Hertwig, 68, 124. 

 Heteroteuthis dispar, 101. 

 Heymons, 80. 

 Hirschler, 44. 

 Histogenesis, 14, 110, 128. 

 Holothurin larvae, 78. 

 Hormone, 129, 130, 139. 

 Horning, 13, 46, 107, 140. 

 Hoven, 13, 14, 21, 22, 107. 

 Hydra viridis, 67, 72, 74. 

 Hydrogen-ion-concentration, ^50. 

 Hydroids, 74. 

 Hydrozoa, 72. 

 Hyperplasia, 47. 

 Hypoplasia, 47. 

 Hyperthyroidism, 47. 



Imago, 82. 

 Immunity, 65. 



acquired, 65. 

 Inanition, 80. 

 Infection, 36, 65, 66, 113. 

 Influence, 



destructive, 143. 



extrinsic, 143. 



meteorologic, 145. 



(also see factor) 

 Influenza, 



organisms of, 143. 



etiology of, 144. 



migration of, 144. 

 Ink bag, 88. 

 Insects, 65, 79. 

 Insulin, 139. 



crystals of, 140. 

 Internal secretory mechanism, 45. 

 Iodine, 130. 

 Islands of Langerhans, 139. 



Janssens, 117. 

 Janus green, 26, 42. 

 Jessen, 50. 

 Joblin, 30. 

 Johannsen, 117. 

 Jordan, 105, 113. 

 Jung, 78. 



Karpova, 44, 45. 

 Keeble, 75. 

 Kellog, 3, 139. 

 Key, 43. 

 Kidney, 78. 



cultures from, 39. 



"storage," 78, 79. 

 Kieinenberg, 68. 

 KuU method, 18. 

 Kurkewicz, 13. 



Lamark, 1. 

 Lalmprey larva, 61. 

 Lam-pyridae, 86. 

 Lampyris, 146. 

 Lankester, 68. 

 Lecithalbumin, 17. 

 Lecithin, 19. 

 La Dantec, 71. 

 Legumes, 41, 89, 90. 

 Leidy, 70. 

 Lens, 88, 89. 

 Leplat, 13. 

 Leucoplasts, 21. 

 Levi, 11, 13, 14, 42. 

 Levitsky, 13, 22. 

 Lewis, 14. 

 Lice, 82. 

 Life, 



cycles in bacteria, 49. 



origin of, 131. 



kaleidoscopic nature of, 2. 



relationships, 59, 64. 

 causes of, 65. 

 end-responses in, 65. 



