INDEX. 



Hamatococcus, 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. 

 Hypodermis, 92. 



Impregnation, 73, 139. 

 Individual, 13, 156, 164. 

 Indusiuin, 131. 

 Infusions, 168. 

 Infusoria, 168, 217. 

 Inheritance, 80, 84. 

 Intussusception, 4, 165. 

 Irritability, 164. 



JOHNSON, 35. 



Katabolism, 33, 99, 149, 164. 

 Karyokinesis, 83. 

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

 KRUKENBERO, 52. 



Lateral ridges, 111, 114. 

 Leaf, 11, 125. 

 LENHOSSEK, 95. 

 Leptothrix, 194. 

 LINNAEUS, 105. 

 Lumbricui, 41. 

 Lungs, 62. 

 Lymph, 58. 

 Lymph-cells, 64. 



Macrogamete, 175. 



Macro nucleus, 170, 171. 



Malic acid, 139. 



MAUPAS, 170. 



Meristem, 123. 



Mesoblast, 81. 



Mesophyll, 126. 



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



Metamerism, 45. 



METCHNIKOPF, 53. 



Microgamete, 175. 



Micronucleus, 170, 171. 



Micro-organisms, 201. 



Middle-piece, 74, 79, 80. 



Mid-gut, 86. 



Mitosis, 83. 



MOHL, H. VON, 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, 35. 

 Mycoderma, 194, 202. 

 Myxobacteria, 199. 

 Myxomycetes, 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. 



Nitetta, 28. 



Nitrogen, 147. 



Nucleolus, 23. 



Nucleoplasm, 22. 



Nucleus, 16, 23, 186. 



Nutrition, 99, 146. 



(Esophagus, 18. 

 Old age, 72, 152, 166. 

 OSphore, 130. 

 Oosphere, 73, 138. 

 OOspore, 139. 

 Organisms, 9. 

 Organogeny, 85. 

 Organs, 9. 

 Ovaries, 74. 

 Oviduct, 75. 

 Ovum, 73, 74, 89. 



Parammcium, 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. 

 Pleurococcus, 178. 



