INDEX 



1119 



Vision, delicacy of mechanisms for, 527 

 in dog-headed baboon, 294, 329 



as illustrating evolutional progress, 329 

 only partially binocular, 330 

 reflex resjxinse in, 4~i 

 relation of, to habitat, 4~i 

 evolutionary changes in, 2-6, 2—, 385, 525, 526, 



601 

 in gibbon, 415, 470 

 in gorilla, 6ji, 681, 722, 723 



relation of, to decussation of oculomotor 

 nuclei, 681 

 to expansion of occipital region, 65 1 

 human, relation of, to cerebral cortex, 277 



occipital lobe to association, 789 

 in lemur, 6~ 

 in marmoset, 153, 164, i; — -179 



relation of, to suf>erior colliculus, 179 

 slightly stereoscopic only, 1-9, 282 

 in mycetes, 227, 228, 282, 283 

 in Neanderthal man, 903 

 in orang-outang, 501, 525, 52--529, 722 



binocular and stereoscopic, function of, as 

 revealed in midbrain level, 529 

 in Pithecus rhesus, 385 

 relation of, to coordination, 280 

 to differentiation in hand, 250 

 to occipital area, 277 

 to oculomotor decussation, 228, 280, 471-473, 



52-, 681 

 to optic lobes, 385, 601 

 to pulvinar, 6oj 

 to skilled acts, 250, 52- 



to sufK-rior colliculus, 22-, 385, 525-527, 601 

 in tarsius, increase in control of, 130 

 not stereoscopic, 1 1 2, 1 30, 282 

 prominence of primordial receiving centers, 



2-6 

 relation to central gray column, 112 

 to inferior olive, 1 1 3 

 to neck muscles, 1 1 2 

 to skilled acts, 1 1 2 

 specialized for nocturnal hunting, 8~, 112 

 telencephalization of, 1035 

 Visual axes, positions of, 280 



relation of, to intemuclear communication, 

 281 

 \'isuo-psychic functions, in ape-man of Java, 878 

 in Neanderthal man, 903 

 in Rhodesian man, 917 

 Volition, relation of, to corticospinal tract, 389 



Pages 1-474 are in Volume I, 



Volitional movements, importance of pyramidal 

 system in regulation of, 45, 212, 216, 422, 655, 

 663, 699 

 relation of, to dentate nucleus, 220 



to diff^erentiation in hand, 212, 216, 284 

 to discriminative sensibility, 284 

 Voluntary control in chimpanzee, 604 

 in dog-headed baboon, 305 



relation of, to cerebral hemispheres, 329 

 in gorilla, 655 



relation of, to size of pyramids, 663 

 to structure of inferior olive, 656, 665 

 in lemur, 35 

 in man, 797, 806 

 in marmoset, 163, 1-7 



limited, as indicated bv cerebral 1 , 



164 

 fay nucleus dentatus, 172 

 by pons, 162 



by pyramidal system, 162, 166, 167 

 in mycetes, 209, 212, 216, 220, 225 

 in orang, relation of, to pyramidal decussation, 



pyramids and mesial fillet, 503, 506, 507, 517 

 in tarsius, 99, 1 10, 1 1", 120 



'"\AyAIST" of nucleus of Rolando, in chimpanzee, 



** 612 



in dog-headed baboon, 336 



in gorilla, 68" 



in lemur, 75 



in man, 841 



in mycetes, 234 



in tarsius, 139 

 Wallace, A. R., on orang-outang, 479, 480, 990 

 Watson, J. B., on Macacus rhesus, 354 

 Weight, increase in, relation to evolution of, 669 



of larger anthropoids, I", 981, 1041 

 Whales, -, 1024 

 W itraer on chimpanzee, 546 



on Pithecus irus, 354 

 W ood-Jones, on position of tarsius, 94 

 Woodward, A. S., 884, 88", 891, 912 

 W'oollard, on tarsius, 91, 92 

 W ooUy monkey, 303 

 W risberg, pars intermedia of, in baboon, 314 



-\yE} 



ERKES, Robert M., on orang-outang, 487—491, 



on Pithecus rhesus. 354, 355 

 pages 475 I :; ^f! n. 



