INDEX 



1089 



Epiglottis, in gibbon, 41 i 

 Epiphysis cerebri. See Pineal gland, 1^48 

 in clog-headed baboon, 303 

 function of, 990, 991 

 history of, 986 



in primates, evolutionary significance of, 986-<)9i 

 Epithalanius in lemur, 81 

 Equilibrium, 264 



in Lemur mongoz, 4'', ■53 

 in mycetes, 264 



relation of, to Dciterso-spinal tracts, 4" 

 to development of hand, 22 1 

 to nucleus fastigii, ,3 

 to proprioceptive organs of vestibule, 49 

 to vestibular nuclei, 1-0, 262 2f)4. Jl" 

 Etcher, 7C)i 



Etruscan rhinoceros, 74<) 



Evolution, brain the supreme witness to, 3, 529, 800 

 indicated by blood tests, 10 

 by bony system, 10 

 by enibryogenesis, i 1 

 by human brain, 3, 414, 4^0, 800 

 phylctic history of cerebral peduncles, ,29 

 progressive, as evidenced by disparity as to 



pyramidal development, 703 

 rel.ition of, to occipital region, 414 

 to ocular advance, 130 

 to superior vermis, 414 

 structures of salient significance in, 13 

 tetraplastic theory of, 12 

 unfolding of inferior olive, 666, 705 

 Evolutional process, bearing of structural clianges 



in, on behavior, 13 

 Evolutional significance of auditory mechanism, 4~o, 

 600 

 cerebellar nuclei, 269 

 colliculi, 2—, 4-0, 4-1, ^25, 601 

 dentate nucleus, 434 

 divergence at caudal extremity of superior 



longitudinal fissure, 493 

 midbrain, 276 



occipital areas, 498, 526, 601 

 optic lobes, 276, 605 



pallio-ponto-cerebellar fiber system. ^29 

 pontile nuclei, 46<;, 718, 720 

 prehensile tail, 264 



progressive expansion in liurdach's column, 710 

 simian fissure, 494 

 spinocerebellar eminence, 50^ 

 telencephalization, 470, 526 

 tempor.il area, 600 



Pages I 474 are in Volume I, 



Evolutional significance of vestibular eminence, 499 

 Evolutional terminus, possibility of, in higher pri- 

 mates, 476 

 Expansion in primate brain, evolutionary signifi- 

 cance of, as illustrated by cerebellar concavity 

 and postsplenial fi)ssa, 972 

 relation of, to coordination in upper and lower 

 extremities, 975 

 to expansion of lateral lobes, 974 

 to vision, 974 

 External capsule, in Tarsius spectrum, 132 

 External rectus muscle, 379 

 function of. 8i() 



relation of, to riucKus .ibducentls, -54, 819 

 Extremities, In intermediate primates, 458 

 relation of, to behavior, 458 



to planimetric coelliclents of pvr.imldal system, 

 4,-S 

 Fycb.ill, movements of Importance ol delicacy of 

 muscular mechanisms lor, 527, 681 

 bearing of, on neokinetic organization, 527 

 relation of, to decussation of oculomotor 



nuclei, 68 [ 

 to hand, 2jo 

 muscles of, 38" 



innerv.ition of, 38- 



FAC'IAl. innervation, relation of, to nucleus of 

 Rolando, 368 

 Facial nerve, in chimpanzee, 622 



in dog-headed b.iboon, 321, 322 



function of. 322 



in gibbon, 435 



In gorilla, 672, 697 



in lemur, j" 



In man, 819, 995 



in marmoset, 171 



in mycetes, 222 



in orang, 517, 520, 523 



in Pithecus rhesus, 3~9, 381 



in t.irsius, 118, 119 

 Facial nucleus, 994 



in dog-headed baboon, 318 



In gorilla, 672 



In lemur, 50, 52 



as mammalian development, 994, 99j 



in mycetes, 218, 220 



in orang, 517, 520 



In Pithecus rhesus, 369, 3-2, 378, 379 



In tarsius, 114, 116 

 Falx cerebelli, ''94 

 pages 475 1 1 20 in Volume II. 



