INDEX 



333 



Shell-animalcule, 222 



Sida cri/stallina, 266 



Siebold, Von, 35, 221 



Silk-worm, 299 



Silurian system, 106 



Siphonophora, 261 



Sisiphus sacer, 273 



Skinks, 17 



Slipper animalcule, 221 



Sluiter, 183 



Smerinthus, 202 



Solenhofen, 104 



Solenostoma, 279 



Sommer, 186 



Spallanzani, 282 



Spennatid, 293 



Spermatoblast, 54, 293 



Spermatocyte, 54, 293 



Spermatogony, 293 



Spermatophore, 289 



Spermatozoa, 232 



Sperm-cartridge, 289 



Sphcer echinus, 298 



Sphingidse, 136 



Sphinx ligustri, 136 



Spiders, 276, 290 



Spindle-figure, 81, 314 



Spontaneous generation, 79 



Sporocyst, 155, 270 



Sporozoa, 234 



Squirrel, 177 



Standfusz, 186, 192, 202 



Starfish, 128, 253 



Statoblast, 258 



Stegocephala, 108 



Stegosaurus, 110 



Steinbock, 147 



Stentor, 224 



Stickleback, 276 



Stolo prolifer, 256 



Strobila, 260 



Struggle for existence, 151 



Struggle of the Parts, Theory of, 52 



Sturgeon, 153 



Sti/lonychia, 221 



Sugar-beet, 204 



Sulphuric acid, Verworn's experiment 



with, 29 



Summer-eggs of insects, 265 

 Sun-animalcules, 72 



Sun -dew, 65 



Survival of the fittest, 156, 204 



Button, 314 



Symbiosis, 63, 181 



Sympathetic coloration, 167 



Syngnathus acus, 279 



TADPOLES, 198 



Tfsnia ccemirus and T. echinococcus, 262 



Taguan, 177 



Talegalla, 280 



Talpa, 24 



Tarentola, 19 



Teju, 19 



Teliosaurns, 109 



Termites, 184 



Termitoxenia, 184, 286 



Tertiary period, 112 



Thalassicola, 76 



Thales, 3 



Thallus, 194 



Theromorph, 108 



Thibet, animals of, 168 



Tichomirow, 299 



Tiger-moth, 191 



Tilesius, 321 



Tissandier, 33 



Transparency of animals, 162 



Tree-frog, 169 



Trembley, 252 



Triassic period, 108 



Trichocysts, 223 



Trigla hirundo, 15 



Trilobites, 104 



Triton, 289 



Trochophora, 132 



Trumpet-animalcule, 223 



Tuatara, 108 



Tupinambis, 19 



Turban -eyes, 289 



Turbellaria, 253 



Tiirn pel, 274 



UHLENHUT, 139 

 Uria troile, 23 



VACCINATION, 48 

 Vacuole, 213, 222 

 Vanessa levana, 191 

 Vanessidse, 167, 187 



