INDEX 



735 



Cells, of Rauber, 666 



pigment, 348 



plant, 502 



pole, 671 



red, 375, 410 



Schwann, 512 



sense, of earthworm, 171 



sensory, 535 



white, 376 



yellow, 162 



zymogen, 509 

 Cellulose, 23, 310 



digestion of, in herbivores, 445 

 Cement layer, 227 

 Centipedes, 222 

 Central apparatus, 499, j02 

 Centriole, 502 

 Centromere, 689 

 Centrosome, 502 

 Centrosphere, 502 

 Centrum, 422, 567 

 Cephalaspida, 520, 551 

 Cephalaspis, 554 

 Cephalisation, 193 

 CephaJochordata, 310 

 Cephalopoda, 193, 285 

 Cephalothorax, of crayfish, 195 



of spiders, 223 

 Cercariae, 126 

 Cere, 393 

 Cerebellum, 608 



of dogfish, 336 



of frog, 386 



of pigeon, 415 



of rabbit, 461 

 Cerebral convolutions, 460 



hemispheres, 608 

 of frog, 386 

 of pigeon, 415 

 of rabbit, 459 



sulci, 460 

 Cerebro-spinal axis, 458 



fluid, 533 



nerves, 458 



sj^stem, 458 

 Cerebrum, of dogfish, 336 

 Cervical vertebrae, 424 

 Cervus elaphus, 492 

 Cestoda, 127, 132, 152 

 Cetacea, 486 

 Chaetae of earthworm, 159, 169, 175 



of Nereis, 176 

 Chaetopoda, 184, 185 

 Characters and chromosomes, 696 

 Cheiroptera, 475, 4-/- 

 Cheiropterygium, 555 

 Chelicerae of spiders, 222 

 Chelipeds, 199 



Chelonia, 550, 578, 601 

 Chemical work in the body, 13 

 Chest, 420 

 Chiasma, of chromosomes, 692 



optic, of dogfish, 339 

 Chick, development of, 644 

 Chilopoda, 222 

 Chin, 480 

 Chironectes, 495 

 Chironomidae, 260 

 Chiroptera. See Cheiroptera 

 Chitin, 104, 759, 162, 198, 226, 267 

 Chiton, 283 

 Chlaniydomonas, 22, 23, 37, 79 



syngamy in, 38 

 Chlamydospores, 45 

 Chloragogenous cells, 162, 

 Chlorohydra viridissima, 89, 96. 99 



147 

 Chlorophyll, 20 



role of, in plants, 21 

 Chloroplasts, 20 

 Chloroquine, 77 

 Choanichthyes, 546, 551 

 Choanocytes, 83, 87 

 Choanoflagellata, 82, 83 

 Cholesterol, 528 

 Cholinergic, 614 

 Chondrichthyes, 544 

 Chondrin, 517 

 Chondroblasts, 517 

 Chondrocranium, 572 

 Chordae tendineae, 370 

 Chordata, 299 

 Chorion, 655 

 Choroid coat, 465, 537 



fissure, 639 



plexus, 386, 387, 608 

 Chromatids, 688 

 Chromosomes, 688 

 Chrysopa, 254 

 Chrysops, 145 



Cilia, 47, 275, 276, 303, 503 

 Ciliary body, 465 

 Ciliata, 46, 80 

 Ciliophora, 80 

 Cimex lectnlariiis, 148, 251 

 Ciona, 310 

 Circulation of the blood, regulation 



of, 448 

 Circulatory system, 595. See also 



Vascular system 

 Cirri of lancelet, 302 



of Nereis, 176 

 Cirripedia, 221 

 Cirrus of liver fluke, 122 



sac, 122 

 Cladoselache, ^^i, 554 



