[NDEX 



i()()i 



Fovea va};i, in man, 7()() 

 in orang, 499 

 in Pitlu'ciis rhesus, 361 

 Franz on new-world monkey, 354 

 Frontal bone, 790 



nieniI)ranoiis orij^in ol, 862 

 Frontal lobe, in Ape man of Java, 8-2 



fissures in, 874 



indications in, as to behavior and speech, 875, 876 



Pacchionian enlargement in, 8-2 



prominence of, 872 



significance of, 872, 874 

 in chimpanzee, 568, 570 

 in Dawn man, 886, 888 

 in dog-lieaded baboon, 296, 298 

 in gibbon, 412, 413, 414, 415 

 in gorilla, 645-650 

 in imman brain, 779, 780, 783, 785, 786 



expansion of, 783, 790, 791, 795 



function of, 769, 791, 795 



significance of, 784, 789, 791 

 last gift of evolutional progression, 908 

 in man, 783 



compared with that of great anthropoids and 

 all other primates, 783, 784, 789 



complexity of convolutions in, "84 

 in marmoset, 1 58, 1 59 

 in mycetes, 202-205 

 in Neanderthal man, 893-904 

 in orang, 493-495 



humanoid appearance of, 495 

 in Pithccus rhesus, 357, 358 

 potentialities in, 933-936 

 pre-frontal convolutions of, ellect ol disease upon 



future of, 966 

 responsive plasticity in, 935 

 in Rhodesian man, 913-915 

 in tarsius, 92, 94, 96 

 Fundus of dentate nucleus in chimpanzee, 590 



in gibbon, 434 

 Fundus of olive in chimpanzee, 582, 586, 612 

 in dog-headed baboon, 338 

 in gibbon, 448, 449 

 in gorilla, 688 

 in orang, 535, 5.36 

 in Pithccus rhesus, 395 



/^^ALAGO, habits of, similar to those of tarsius, 90 



"Gallery of human experience," 791, 883. See also 

 Frontal lobe. 



Pages I 474 are in Volume I, 



Ganglion habenulae in lemur, 69, 70 

 Gasserion ganglia, in chimpanzee, 595 



in lemur, 75 



in Pithccus rhesus, 394 

 Geniculate bodies, in lemur, 41, 81 



relation of, to auditory and visual functions of 

 cerebral cortex, 605 



in tarsius, 1 35-1 51 

 Genu facialis, in chimpanzee, 595 



in human, 799, 819 



in orang-outang, 523, 543 



in Pithccus rhesus, 379 

 Gibbon, 7, 12, 17, 287 



arboreal life of, 17, 405, 410 



relation of, to balancing mechanism, 715 



behavior of, 405-412, 413 



bipedal locomotion in, 981 



blood relationship of, to tarsius, 89 



brain of, 287, 288, 405, 412, 413 



compared with baboon and macaeus, 413 

 cf)nvolutional pattern ol, 415 



general description of, 405-412, 413 



geographical distribution of, 409 



habitat of, 409, 410 



locomotion of, 420 



measurements and indices ol, 412 



olivary expansion in, 458, 705 



position of, among primates, 287, 405, 416 



posture in, 17 



pyramidal system in, 702 

 Gibraltar skull, 896, 904, 906 

 Globus pallidus, in chimpanzee, 605-607 



definition of, 71, 177 



in dog-headed baboon, 333, 334 



in gibbon, 445 



importance of, 71, 177, 181 



in lemur, 69, 70 



in man, 835 



in marmoset, 177 



in mycetes, 229, 230 



in orang, 531 



in Pithccus rhesus, 38-, 389 

 Goll, column of, in chimpanzee, 5'"6, 580, 609, 610 



definition of, 305 



in dog-headed baboon, 305-311 



in gibbon, 422-450 



in gorilla, 656, 660, 686, 696 



in great anthropoids and man, 578, 708, 71 1 



in lemur, 42, 43, 45, 46 



in lower primates, 578 



in man, 798-806, 840 

 pages 475-1120 in Volume II. 



