INDEX. 



229 



Hcematococcus, 178. 

 Haemoglobin, 54. 

 Hair, 18. 



Hay infusion, 201. 

 Herbivora, 176, 203, 

 Heredity, 84. 

 Hermaphrodite, 73, 130, 

 HERTWIG, 79. 

 Hibernation, 38. 

 Hind-gut, 86. 

 Histology, 7. 

 HOOKE, ROBERT, 20. 

 HOOKER, SIR W. J., 106 

 HOPPE-SEYLER, 35. 

 HUXLEY, 2, 4. 

 Hypoderiuis, 92. 



Impregnation, 73, 139. 

 Individual, 13, 156, 164. 

 Indusium, 131. 

 Infusions, 168. 

 Infusoria, 168, 217. 

 Inheritance, 80, 84. 

 Intussusception, 4, 165. 

 Irritability, 164. 



JOHNSON, 35. 



Katabolisin, 33, 99, 149, 164. 

 Karyokinesis, 83. 

 KEITH, S. C., Jr., 186, 195. 

 KRUKENBERG, 52. 



Lateral ridges, 111, 114. 

 Leaf, 11, 125. 

 LENHOSSEK, 95. 

 Leptothrix, 194. 

 LINN.EUS, 105. 

 Linnln'icuv, 41. 

 Lungs, 62. 

 Lymph, 53. 

 Lymph-cells, 64. 



Macrogamete, 175. 



Macro nucleus, 170, 171. 



Malic acid, 139. 



MAUVAS, 170. 



Meris*em, 123. 



Mesol last, 81. 



Mesophyll, 126. 



Metabolism, 33, 100, 101, 148, 164. 



Metamerism, 45. 



METCHNIKOFF, 53. 



Microgamete, 175. 



Micronucleus, 170, 171, 



Micro-organisms, 201. 



Middle-piece, 74, 79, 80. 



Mid-grut, 86. 



Mitosis, 83. 



MOHL, H. YON, 21. 



Morphology, 6, 7. 



Mother-of- vinegar, 194, 195. 

 Mother-cells, 134, 137. 

 Motion, 48. 

 Motor system, 62. 

 Mouth, "49, 80, 85, 165. 

 Muscles, 14, 26, 27, 62, 90. 

 MULDER, 3o. 

 Mycoihrnta. 194, 202. 

 Myxobacteria, 199. 

 Myxoinycetes, 199. 



Natural selection, 99. 



Nephridia, 58, 59. 



Nerves, 64, 90. 



Nerve-cells, 94. 



Nerve-centre, 68. 



Nerve-impulses, 67. 



Nervous system, 64, 82, 94, 102. 



yitella, 28. 



Nitrogen, 147. 



Nucleolus, 23. 



Nucleoplasm, 22. 



Nucleus, 16, 23, 186. 



Nutrition, 99, 146. 



(Esophagus, 18. 

 Old age, 72, 152, 166. 

 Oophore, 130. 

 Oosphere, 73, 138. 

 Oospore, 139. 

 Organisms, 9. 

 Organogeny, 85. 

 Organs, 9. 

 Ovaries, 74. 

 Oviduct, 75. 

 Ovum, 73, 74, 89. 



Paramcecium. 168. 

 Parasites, 192. 

 Parenchyma, 116. 

 PASTEUR, 188. 

 Pasteurization, 200. 

 Pasteur's fluid, 189, 197. 

 Pathogenic, 200. 

 Pathology, 6, 7. 

 Peptic ferment, 52. 

 Peptone, 52, 101. 

 Peristaltic actions, 51, 54, 55. 

 PFEFFER, 139. 

 Phagocytes, 53, 61, 64, 158. 

 Pharyngeal ganglia, 67. 

 Pharynx, 49. 



Physiological properties of proto- 

 plasm, 163, 182, 183. 

 Physiology, 6, 7, 166. 

 Physiology of the nervous system, 67. 

 Polar cells, 79. 

 Pole-cells, 82. 

 Poisons, 39. 

 Plasma, 53. 

 Plcurococcus, 178. 



