INDEX 



455 



Cochineal insects, 36 



Cockatoos, 384 



Cockroaches, 2*0, 100 



Cocoon, 51 



Ccelentera, 271, 297 



Coleoptera, 43 



Colleterial gland, 12 



Colloids, 199 



Coloration, alluring, 24 ; warning, 

 40 



Columbse, 382 



Comb-jelly, 270 



Comrnensalism, 79 



Commissure, cerebral, 163 



Conchologists, 185 



Conjugation, 289 



Connectives, cerebro-visceral, 163 



Coral islands, 261 ; polyp, 259 



Corallite, 260 



Corals, 296, 347 



Corvidee, 389 



Cow, 413, 416 



Cow-bird, 389 



Coxopodite, 130 



Crabs, blue, 145; fiddler, 146; her- 

 mit, 143; horseshoe, 154; spider, 

 144 



Cranes, 380, 391, 397 



Crinoidea, 251 



Crinoids, 246, 296, 347 



Crocodiles, 359 



Crop, 198, 367 



Crow, 389, 393 



Crustacea, 152, 156 



Crustaceans, parasitic, 150, 153 



Crystalline style, 160 



Crystalloids, 199 



Ctenophora, 271 



Cuckoos, 395 



CUNNINGHAM, PROFESSOR, on color 

 of flounders, 321 



CUVIER, GEORGES, 445 



Cyclops, 149, 153, 263 



Cytoplasm, 211, 281 



DANA, PROFESSOR J. D., on forma- 

 tion of coral islands, 262 ; on geo- 

 logical distribution of animals, 363 



DARWIN, CHARLES, 449; on forma- 

 tion of coral islands, 262 ; on 

 habits of earthworms, 220; on 

 natural selection, 102 ; on. pigeons, 

 373; on sexual selection, 106 



DARWIN, ERASMUS, 108, 448 



DEAN, PROFESSOR B., on evolution of 

 fishes, 316 ; on habits of Nautilus, 

 192 



Deer, 413, 415, 416 



Degeneration, 98 



Dentine, 400 



Dermal pores, 273 



DE VARIGNY, on evolution, 109 



Devonian Period, 324 



DE VRIES, HUGO, on the mutation 

 theory, 110 



Diaphragm, 403 



Diastase, 199 



Differentiation, 216, 297 



Dimorphism, 49 



Dinosaurs, 361 



Dipnoans, 321 



Diptera, 64, 100 



Direct influence of environment, 108 



Discontinuous distribution, 323 



Distribution, geographical, 436; geo- 

 logical, 436 



Dogs, 420, 425 



Dolphins, 412 



Doves, 382 ; rock, 364 ; wild, 382 



Dragon-flies, 27 



Drones, 72 



Duckbill, 408 



Ducks, 378, 391 ; canvasback, 378 ; 

 mallard, 378 ; domestic, 378 



Eagle, 383 



Earthworm, 297 



Echeneis, 357 



Echinoderma, 251, 298 



Echinoidea, 251 



Ecology, animal, 436 



Ectoderm, 215, 264 



Ectoplasm, 281 



Edentates, 411, 433 



Eels, 319 



Egg, 209 



Egrets, 379 



EIGENMANN, PROFESSOR, on blind 



crayfishes, 136 

 Elasmobranchii, 317 

 Elephants, 413, 414; African, 417 ; 



Asiatic, 417 

 Embryo, 214 

 Embryology, 130 

 EMPEDOCLES, 448 

 Emus, 374 



