GENERAL INDEX 521 
Calcification in cartilage, 140, 330 
successive layers of the skin, 348 
Gsiaarestoue: 221, 222, 223, 224, 241, 271 
Canal, alimentary, formation of vertebrate, 58, 433, 446 
4 sj innervation, 447 
i a relationships between notochord and, 434 
3 i origin, 444 
»  Haversian, 329 
» central, of spinal cord, 405, 439, 455 
» Spinal, 182 
Capsule, auditory, 377, 879 
Cartilage Ammoccetes, muco, 127, 180, 181, 200, 291, 303, 330, 333, 334, 344 
s 5 hard, 133, 183, 377 
. $5 soft, 126, 129, 130 
sh spinal eartilagas, 414 
8 Hypoctonus, 183, 142 
ro Limulus, hard, 142 
‘a os muco, 129 
a4 * soft, 20, 130, 137 
35 origin, 474, 481 
», staining reactions, 181, 183, 139, 330, 336 
Cavity, atrial, 409, 413 
5,  celomic, 167, 251, 266, 320, 389, 391, 408, 422, 430, 472 
Cells, free-living, 463 
Centre, vaso-motor, 468 
Cephalaspis, diverticula of gut, 109 
a4 eyes, lateral, 75, 275 
3 » median, 75 
“ head-shield, 327, 328, 330, 338 
3 muscles on head-shield, 269 
5 resemblance to Ammoccetes, 145, 291, 326, 329, 338, 348, 414 
- + Arthropod, 29 
segmentation, 339 
Geratodus, 148 
Cephalization, 51 
Cephalodiscus, 438 
Cephalopod, 23 
Cerebellum, 47, 50 
Cheetopoda, 395 
Chamber, oral, of Ammoceetes, 248, 287, 458 
Cheliceree, 235 
Chiasma, optic, 101 
Chilaria, 235, 238, 291, 301, 458 
Chitin, 85, 119, 189, 205, 206, 302, 329, 346, 359, 440, 443 
Cilia, 206 
Circulation, branchial, 174 
Cirri, 357 
Clarke’s column, 467 
Clepsine, nephridial glands, 423 
Cochlea, 378 
Coelenterata, 465, 472 
Ceelolepide, 344 
