512 INDEX 



Cistella, 



interior of dorsal valve of, 92 



larva of, showing paired ocelli, 92 

 Cisterna venae magna? cerebri, 410 

 Cistudo Europcea, 286 

 Cladocera, eyes of, 27 

 Cleavage theory of Duplicitas anterior, 44 

 Clidastes propython, 284 

 Clinical cases, 449-66 

 Clupea, 219 

 Cockle, 147, 357 



Cock's crow, early occurrence of, 422 

 Coleoptera, 362 



Collembola, absence of eyes in, 116 

 Colliculus, superior, 418 

 Colostrum, 439 

 Commissura 



aberrans, 369 



habenularis, 184, 194, 211, 294, 296 



posterior ,180, 181, 186, 211, 289, 293, 

 296, 302, 305, 307, 308, 311, 369 



superior, 181, 289, 293, 307, 369 

 Commissure 



epiphyseal, of Acipenser, 212 



posterior, 417 



development of, 302, 303, 305-307 

 Composite eyes, formation of, 24 

 Conarium, 3, 185 

 Cone, 



inner, 52 



middle, 52 



outer, 52 

 Concrescence theory, 41 

 Concretions, calcareous, 271 

 Conocoryphe, 136 

 Conodectes, 267 



Convolutions, flattening of, 456 

 Cord, connecting epiphysis with parietal 



eye, 276, 283 

 Cornea, 



of Cardium, 346, 357 



faceted, 52 



non-faceted, 16 



primary, 20, 49, 50, 164 



secondary, 20, 49, 50, 164 

 Corneagen cells, 120 

 Corpora 



arenacea, 433, 465 



pedunculata, 122 



quadrigemina, 433, 435 

 inferior, 437 

 superior, 436 

 Corpus 



arenaceum, 321 



callosum, relations of, 411, 413, 414, 415, 

 416 



epitheliale externus, 50 

 internus, 50 

 Coregomis albus, pineal organs of, 217, 218 

 Crangoti, 24 

 Cranial cartilages 



of Nautilus, 163 



of Sepia, 163 

 Cranial nerves, 



HI, 437 



IV, 437 



Cranial nerves, 



V, 439 



VI, 437, 439 



VII, 439 



VIII, 439 



IX, 439 



X, 439 



XI, 439 



XII, 439 

 Crayfish, section through eye of, 16 

 Crest, 



interparietal, 268 



of cock, effect of pinealectomy on, 422 



tufted, of goose, 299 

 Crocodilia, absence of parietal organ in, 



240, 252, 287 

 Crossopterygii, 336, 337 

 Crustacea, 473 



eyes of, 103, 369 

 Crystal cones, of branchial eyes, 100 

 Crystalline cones, 52, 65 

 Ctenodus, 336 

 Curvipes, eyes of, 129 

 Cutaneous fold, outer, of eye of Sepiolia, 



164 

 Cuticle, 14, 49 



Cuticular lens, 10, 14, 18, 52, 53 

 Cuttle fish, 147, 164, 352 

 Cyathaspis, 202, 378 

 Cyclodus gigas, 252, 281 

 Cyclopia, 29 



degrees of, 256 



varieties of, 30 

 Cyclops, 



in domestic animals, 35, 36 



experimental production of, 36-39 



eye, of Tabamis, 26, 331 



rhinocephalus, 30, 36 

 Cyclosalpa, ocelli of, 379 

 Cyclostomes, 184, 292, 387, 473 



eyes of, 187 



white pigment in pineal eye, 63 

 Cyst(s,\ 



epidermoid, 431 



in epiphysis of Bos taunts, 452 



haemorrhagic, 434 



of pineal, 430, 433 



of pineal tumour, 451 



Dalmanites socialis, 141, 142 



Dandy's operation, 441 



exposure of corpus callosum, 444 

 exposure of pineal tumour, 445 

 incision of corpus callosum, 446 

 introduction of Gigli saw, 442 

 osteoplastic flap, 443 

 removal of pineal tumour, 446 

 retraction of cerebral hemisphere, 445 

 skin incision and burr holes, 441 

 tapping of lateral ventricle, 443 



Daphnia, single eye of, 27 



Deafness, 439 



bilateral, 437, 449 

 unilateral, 437 



Decapod Arthropoda, median eyes of, 145 



Decapoda, development of eyes of, 50 



