622 



INDEX 



Cerebral ganglion, see Brain 

 Cerebral hemispheres : Frog, 160 ; 



Rabbit, 528 ; development of, 



590 



Cerebral nerves, see Nerves 

 Cerebral vesicles, 202, 589 

 Cerebro-pleural ganglion, 408 

 Cervical groove, 361 

 Chaetopoda, 350 

 Chalaza, 576 (Fig. 149) 

 Change of function, 449, 537 

 Chela, 364, 366 

 Cheliped, 364 



Chiasma, optic, 164, 459, 530 

 Chick, see Bird 

 Chitin, 232, 328, 361 

 Chlorophyll, 242, 251, 04 

 Chorion, 611 

 Choroid, 183, 556 

 Choroid fissure, 593 

 Choroid plexus, 157, 529 

 Chromatin, 129, 231, 560, 573 

 Chromatophores, 243, 251 

 Chromosomes, 560, 569, 587 

 Cilia, and ciliary movement, 



109, 242, 250, 265, 271, 280 

 Cilia, absence of, in Crayfish, 386 

 Ciliary folds, muscles, nerves, 



and vessels, 184, 534 

 Ciliata, Ciliate Infusoria, 261, 



292 

 Circulation of blood, 86, 90, 337, 



375, 47. 425, 449, 520 

 Circulatory organs, see Blood- 

 vessels and Lymphatic system 

 Cirri, 352, 421 

 Clasper, 433, 442, 469 

 Class, 219 



Classification, 217, 220, 223, 411 

 Clavicle, 47, 501 

 Clitellum, 327, 348 

 Clitoris, 541 

 Cloaca, 23, 401, 445 

 Cloacal aperture, see .Anus 

 Cnemial crest, 504 

 Cnidoblast, 302 

 Cnidocil, 302 



Coagulation of blood, 78, 107 

 Cochlea, 187, 535 

 Cocoon, 328, 349 



Ccelenterata, 322 



Coelomata, 322 



Coelome, 20, 203, 322, 328, 401, 

 422, 434, 506 ; development 

 of, 203, 580, 586 ; extra- 

 embryonic, 607 



Crelomic epithelium, 330; and see 

 Ephithelium and Germinal 

 Epithelium 



Ccelomic fluid, 336 



Collaterals, 171 



Colon, 514 



Colony, Colonial organisms, 277 



Columella, 46, 189 



Commissures, see Blood-vessels 

 and Nervous system ; of 

 brain, 158, 531 



Conchiolin, 399 



Concrescence, 361 



Condyle, occipital, see Skull 



Cones of retina, 185 



Conjugation, 197, 237, 251, 268, 

 274, 283, 286, 287, 308, 566, 

 572 ; and see under develop- 

 ment of various types 



Conjunctiva, 182 



Connectives, 342, 379, 408 



Connective-tissue, 18, 113 



Contractility, nature of, 112 



Conus arteriosus, 79, 88, 449, 520 



Coracoid, 47, 443 



Coracoid process, 500 



Cordylophora, 325 



Cornea, 182, 354, 380, 555 



Coronoid process, 496 



Corpus adiposum, see Fat-body ; 

 callosum, 528 ; cavernosum 

 and spongiosum, 540 ; stria- 

 turn, 531 



Corpuscles, see Blood-corpuscles 

 and Leucocytes 



Cortex of brain, 160, 528 



Cortical layer, 264, 269, 280, 286 



Craniata, 421 



Cranium, see Skull 



CRAYFISH : general characters, 

 360, 386 ; limited number and 

 concrescence of metameres, 

 360 ; appendages, 363, 393 ; 

 exoskeleton, 361, 363, 387, 



