362 



INDEX 



Cephalization, 156, 177, 228 



Cephalochorda, 228 



Cephalopoda, 220 



Cercaria, 180 



Cestoidea, 180 



Cetacea, 296 



Chsetopoda, 203, 208 



Chalcid-fly, 118 



Chelonia, 264 



Chilopoda, 65 



Chiroptera, 292 



Choanocyte, 157, 158 



Chordata, 224 



Chromatin, 39 



Chromosomes, 40, 42 



Cicada, 98 



Ciliates, 142 



Circulatory system, 286, 302 



Civilization, 323 



Clam, 217 



Classification, 13, 15, 346 



Clavicornia, 115 



Cleavage, 153 



Closed blood system, 206, 215, 238 



Cockroach, 72 



Ccelenterata, 163, 172 



Coelom, 18, 152, 154, 186 



Coleoptera, 113 



Colloid, 29 



Conjugation, 137, 144, 145 



Coral, 172 



Crab, 58, 59 



Crayfish, 50 



Cricket, 74 



Crinoidea, 202 



Crocodilia, 257, 265 



Crustacea, 50, 57 



Ctenophora, 173 



Cuckoo, 273 



Culicidse, 106 



Cuvier, 10 



Cyclops, 58, 61 



Cyclostomata, 231 



Cypris, 58, 61 



Damsel-fly, 70 

 Darwin, 10, 349 

 Decapoda, 59 



Deer, 295 



Definitions, 5 



Dermestidse, 115 



Devil-fish, 220 



Didelphia, 289 



Digestion, 300 



Diploblastic, 16 



Diplopoda, 64 



Dipnoi, 235 



Diptera, 106 



Diseases, 111, 139, 140, 141, 179, 



181, 186, 304 

 Dobson-fly, 101 

 Dogs, 292 



Domesticated birds, 284 

 Dragon-fly, 70 

 Duck, 273 

 Duck-bill, 289 

 Dugong, 296 

 Dytiscidae, 114 



Earthworm, 18, 204, 224 

 Echinodermata, 192 

 Echinoidea, 200 

 Ecology, 6, 347 

 Edentata, 291 

 Elasmobranchii, 232 

 Elephants, 295; fossil, 336 

 Embryology of man, 307 

 Endoskeleton, 18 

 Enteropneusta, 226 

 Enzymes, 300 

 Ephemerida, 69 

 Eumeces, 258 

 Eutheria, 289 



Evolution, 6, 342, 348, 355, 358 

 Excretion, 35, 303 

 Exoskeleton, 18, 19 



Fsoces, 35 

 Fasciola, 179 

 Ferments, 300 

 Fertilization, 153 

 Fishes, 235, 242 

 Fission, 137, 144 

 Fissipedia, 292 

 Flagellates, 139, 140 

 Flame cell, 176 



