INDEX 



1115 



Tegmentum pontis, in lemur, 76 



nuclei of, relation of, to cochlear nuclei, 80 

 to substantia nigra, 82 

 in orang, 577-540 

 in Pithecus rhesus, 377-385, 3<)'" 

 Telcncephalization, 385 

 in chimpanzee, 575, ~22 

 definition of, 63, 66 

 development of, 277 



bearing of, on sight and hearing in intermediate 

 primates, 277, 470 

 in gorilla, 679, 722 



gradual process as shown by optic lobes of lemur, 

 65, 66, 6- 



of marmoset, 1-9 

 in man, 830 

 in orang, 525, -22 



in vision and hearing of Pithecus rhesus, 383, 385 

 of vision, in tarsius, 100, loi 



in ape-man of Java, 878 

 Temporal area, relation of, to hearing, 277, 383 



in tarsius, q6 

 Temporal bone, squamous portion of, in gorilla, 653 



membranous origin of, 862 

 Temporal lobe in ape-man ol Java, 878 



expansion in auditory function of, 879 



relation of, to speech, 879 

 auditory eminence in, 891, 892 

 in chimpanzee, 568-572, 599, 600 



relation of, to hearing, 600 

 in dog-headed baboon, 296-298 

 in Eoanthropus Dawsoni, 886 

 in gibbon, 412 415 

 in gorilla, 645, 652, 679 



expansion of, in auditory area, 679 

 in human, 779, -80, 783, 784, -88 



comparison with that of anthropoids, 791 



function of, 789, 790, 795, 830 

 in lemur, 31, 32 

 in marmoset, 159 

 in mycetes, 202, 205, 206 

 in Neanderthal man, 898, 903-907 



auditory eminence in, 903 

 in orang, 495-4<)8 



in Pithecanthropus crectus, 878, 879 

 in Pithecus rhesus, 357> 359 

 in Predmost man, 922 

 relation of, to speech and thought, 892 

 in Rhodesian man, 916 

 in tarsius, 93, 94, 9-, 125 

 Temporo-sphenoidal incisure, in Pithecus rhesus, 35- 

 Pages 1 474 are in Volume I, 



Tenth cranial ner%e in gibbon, 429. See also Vagus. 



Tertiary Period, 940 



Tetraplastic theory, 12 



Third cranial nerve. See a/so Oculomotor nerve. 



in dog-headed baboon, 329, 332 



in gibbon, 418, 456 



in Pithecus rhesus, 362 



in tarsius, 100 

 Thorndyke, on behavior of mycetes, 197 



on new world monkeys, 354, 355, -57 

 Toe-heel timing, 981 

 Tractus mesencephalicus trigemini in gibbon, 437, 



in gorilla, 679 



in lemur, 61, 62 



in Pithecus rhesus, 385 

 Tractus uncinatus of Russel in baboon, 321-325 



in gorilla, 6-5 



index of paleokinetic organization in balancing, 

 823 



in lemur, 57, 60 



in man, 822, 823 



in marmoset, 1-3 



in mycetes, 222, 223, 224 



in Pithecus rhesus, 380, 381 



in tarsius, 120, 121 

 Transverse sinus in Neanderthal man, 899 

 Trapezoid body in chimpanzee, 592, 615, 618 



in dog-headed baboon, 300, 318-324, 339-342 



in gibbf>n, 435, 450, 451 

 large size of, 453 



in gorilla, 673, 690, 695 



in lemur, 38, 52, 53, 54, 55, 57, 60, 77 



in man. 818, 846 



in marmoset, 162, i"i, 1-2, 186 



in mycetes, 208, 222, 223 



in orang, 516, 517, 538 



in Pithecus rhesus, 362, 378, 3-9. 39" 



relation of, to auditory sense, 54, 120 



in tarsius, 99, 100, 1 16, 1 18, 1 19 

 Trapezoid nucleus, in lemur, 52, 53 



in mycetes, 226, 237 



in tarsius, 121, 122 

 Tree-shrew, 1044 



as common stock for ape and man, 1043- 1 044 

 Trigeminal nerve, 249 



in chimpanzee, 575, 595, 59", 599. ^"9 



in dog-headed baboon, 323, 329 



in gibbon, 432, 448 



in gorilla, 6-2, 6-5, 686, 68-, 6<)4 

 pages 475 1 1 20 in Volume 11. 



