INDEX AND GLOSSARY 



325 



Corpus trapezoideum. See Body, 



trapezoid. 



Correlation, the combination of ner- 

 vous impulses in sensory centers 

 resulting in adaptive reactions, 35, 

 38, 43, 106, 133, 181 

 Correlation neurone, 62, 133, 134 

 Cortex, cerebellar, the superficial 

 gray matter of the cerebellum, 

 51, 52, 189-192 

 compared with cerebral cortex, 



186, 189, 192, 289, 305, 308 

 localization of function in, 189, 



281, 305 



neurones of, 51, 52, 190 

 cerebral (pallium, mantle), asso- 

 ciation tissue forming the 

 superficial gray matter of the 

 cerebral hemisphere, 26, "65, 

 74, 109, 116-119, 123, 141, 

 166, 266-316 



areas of. See Area, cortical. 

 centers of. See Center, cortical. 

 dependencies of, 114, 115 

 development of, 116-119, 286, 



287, 288, 289, 290 

 electric excitability of, 281 

 evolution of. See also Hemi- 

 spheres, cerebral, comparative 

 anatomy and evolution of, 

 115, 129, 263, 280, 301 

 functions of, 104, 115, 122, 186, 



189, 192, 254, 279-316, 311 

 layers of. See Layers of cerebral 



lesions of , 254, 275, 279, 280, 



L'N:i, 284, 286, 290^294 

 localization of function in. See 

 Localization of function in 

 cerebral cortex, and Center, 

 cortical. 

 motor contors of. See Center, 



cortical, motor. 

 neurones of, 42, 44, 268-274, 



290 



number of neurons in, 26 

 phylogeny of. See Cortex, cere- 



bral, evolution of. 

 structure of, 21)0-277 

 somatic. Sec Neopallium. 

 CORTI, cells of (hair cells), 197, 198, 



199 



ganglion of. See Clanglion, spiral. 

 organ of. See Organ, spiral. 



CORTI, rod of, 197, 198 



tunnel of, 197 



Cough, mechanism of, 238, 239 

 Crista ampullaris, 196, 198 



basilaris of cochlea, 197 

 Cms, a stalk or peduncle, applied to 

 compact masses of fibers which 

 connect different parts of the 

 brain; cf. Peduncle. 



commune, of internal ear, 196 



flocculi, 114 



fornicis. See Fornix, crus of. 



olfactoria, the stalk or peduncle of 



the Olfactory bulb. 

 Crusta. See Basis pedunculi. 

 Crustaceans, nervous system of, 29 

 Cuneus, a wedge-shaped gyrus on the 



medial face of the posterior pole 



of the cerebral hemisphere receiv- 

 ing visual projection fibers, 119, 



170, 210 

 Cup, optic. See also Vesicle, optic, 



204 



Curiosity, 314 



CUSHING, H., 243, 245, 248, 286, 299 

 CYON, nerve of, 235 

 Cytoplasm, all protoplasm of a cell 



exclusive of that in the nucleus, 



39, 96, 99, 102 



DAVIES, H. M., 79, 84, 95, 172 



DF.AKHORN, G. V. N., 310 

 Decussation (decussatio), a band of 

 fibers crossing the median plane 

 of the central nervous system 

 and connecting unlike centers of 

 the two sides; many docussations 

 are called commissures, 

 of FOREL. See Decussation, tog- 

 mental, ventral. 



fountain. See Decussation, tog- 

 mental, dorsal, 

 of MEYNERT. Soo Decussation, 



t elemental, dors.-il. 

 optic. See Chiasma, optic. 

 of pyramids, 131 



tegmontal, dorsal (MXTKBBT's 

 decussation, fountain decus- 

 sation), 161 

 ventral (K<mi:i.'s decussation), 



161 



Degeneration of nervous tissues, 46, 

 48, 55, 135, 136, 283, 290 



