230 



INDEX. 



Primordial utricle, 29. 

 Proctodseum, 82, 86. 

 Pronucleus, 79. 

 Prosenchyma, 116. 

 Prostoinium, 45. 

 Protection, 71. 

 Proteids, 3, 33, 52. 

 Proteus animalcule, 27, 158. 

 Prothallium, 130, 135, 214. 

 Protococcut, 178. 

 Proton ema, 134. 

 Protoplasm, 16, 20, 207, 208. 

 Protozoa, 158. 

 Pseudopodia, 27, 158' 

 Psychology, 7, 8. 

 Pulse, 54. 



Putrefaction, 197, 201. 

 PURKINJE, 21. 



Radiolaria, 166. 



Receptacle, 131. 



Receptaculuin ovorum, 75. 



Reflex action, 67. 



Regeneration, 73. 



Reproduction, 48, 72, 111, 180, 152, 165. 



Respiration, 61, 150, 165. 



RETZIUS, 95. 



Rhizoids, 134. 



Rhizome, 111, 140. 



Rhizopoda, 166. 



Rigor caloris, 39. 



Rigor mortis, 209. 



Roots, 122. 



Saccharomyces, 184. 

 SACHS, 115. 

 Salivary glands, 51. 

 Sap, 14. 



Saprophytes, 192. 

 Sarcina, '194. 

 Schizoniycetes, 192. 

 Sen LEIDEN. 20. 

 SCHULTZE, MAX, 21. 



SCHWANN, 20. 



Sciences, biological, 1, 6. 



Sciences, physical, 1. 



Segmentation, 24, 80. 



Segmentation cavity, 84, 85. 



Seminal receptacle, 77. 



Seminal vesicle, 76. 



Sensation, 48. 



Sense organs, 42, 69. 



Senses, 42, 69. 



Sensitive system, 69. 



Setae, 46, 63. 



Setigerous glands, 63, 77. 



Sexual reproduction, 73. 



Sieve-tubes, 116. 



Sight. 42, 69, 70 



Skin, 128. 



Slipper animalcule, 168. 



Smell, 42, 69. 

 Sociology, 7, 8. 

 Somatic cells, 73. 

 Somatic layer, 85. 

 Somatopleure, 82, 86. 

 Somites, 45. 



SPENCEK, HERBERT, 3, 99, 146. 

 Sperrnaries, 74, 75. 

 Sperinatosphere, 77. 

 Spermatozoid, 137. 

 Spermatozoon, 73, 74 

 Sperm-duct, 76. 

 Sperm-nucleus, 79. 

 Spiderwort, 29. 

 Spirilla. 192. 

 Splanchnopleure, 82, 86. 

 Spontaneous generation, 83. 

 Sporangia, 130. 

 Spores, 24, 130, 194, 

 Sporophore, 130. 

 Staphylococcus, 194. 

 Starch, 17, 37, 146. 

 Stentor, 176. 

 Sterilization, 199. 

 Stimulus. 67. 

 Stipe. 125. 



Stomach-intestine, 51. 

 Stomata, 126, 128. 

 Stomodaeum, 82, 86. 

 Streptococcus, 194. 

 Struggle for existence, 203. 

 Mylonichia, 170. 

 Sugar, 87. 



Sun-animalcule, 166. 

 Survival of the fittest, 99. 

 Symbiosis, 177. 

 Symmetry, bilateral, 44, 110. 

 Symmetry, serial, 45. 

 Sympathetic system, 67. 



Taste, 42, 69, 70. 

 Taxonomy, 7. 

 Temperature, 38, 199, 210. 

 Testes, 74, 75. 

 Tissues, 11, 13. 

 Touch. 42, 69, 70. 

 Toxicology, 39. 

 Trachea;, 116. 

 Tracheids, 116. 

 Tradescnntia, 29. 

 Transpiration, 146. 

 Trichocysts, 168. 

 Tryptic ferment, 52. 

 Twins, 88. 

 Typhlosole, 51, 91. 



Unicellular animals, 158. 

 Unicellular organisms, 156, 177. 

 Unicellular plants, 178. 



Vacuoles, 24, 162, 170. 



