INDEX 



1005 



Inferior olivary nucleus in man, liiuli cliirerenliation 

 of, 808, 814 

 in marmoset, low organization ot, 254, 162, 167- 



170, 184, 185, 189 

 in mycetes, 215-221, 234 236, 230 

 in orang, 507-513. 5'4> 535 



index of advance in coordinative control, 510 

 in Pitl\ecus rhesus, 359, 362, 368-376, 392-394, 

 395-400 

 first convolutions of, 375 

 relation of, to control of simultaneous movements, 

 312, 582, 656, 703, 1032 

 to coordination in skilled acts, 312, 5S2, -03, 

 1030, 1 03 1, 1032 

 in tarsius, 108-113, 13-, 139, 140, 141 

 Inferior vermis in chimpanzee, 5-1, 586, 595 

 in gorilla, 653, 948 

 in orang, 49- 

 Infundibular stalk in chimpanzee, 576 

 in dog-headed baboon, 301 

 in gibbon, 421 

 in gorilla, 657 

 in lemur, 36 

 in man, -92, 833 

 in Plthccus rhesus, 364 

 Inhibition. 1038, 1039 



most essential dilference lietween neokinesis and 

 paleokinesis, 1038 

 Insectivores, 1007, 1039 



Interbrain, 347, 692. See also Dienccphalon. 

 Intcrcollicular commissure in orang, 542 

 Intercollicular sulcus, in chimpanzee, 575, 616, 620 

 in dog-headed baboon, 303, 344 

 in gorilla, 657, 695 

 in human, 834, 948 

 in lemur, 40 

 in orang, 541 

 in primate series, 986 



relation of, to pineal gland, 986 

 Intermediate primates, 22, 287-473 



vermal ridgepole in, 416 

 Internal arcuate fibers, in chimpanzee, 578, 580, 583, 

 592 

 in gibbon, 426, 428, 430 

 in gorilla, 665 

 in lemur, 46 

 in man, 806, 808 

 in orang, 509 



in Pithecus rhesus, 371, 375, 392 

 in tarsius, 107, 109 



Pages I 474^arejn Volume I, 



Internal capsule, in chimpanzee, 605, 607 



in dog-headed baboon, 332-334 



in gibbon, 445, 446 



in gorilla, 683, 684 



in lemur, 69, 70, 71 



in man, 835, loio 



in marmoset, 180, 181, 182 



in mycetes, 229, 230 



in orang, 531 



in Pithecus rhesus, 387, 389 



m t;irsius, 1 32 

 Internuclear commissures, lacking in lemur, 68 

 Interorbital keel, in ape-man of Java, 875 



in dog-headed baboon, 297 



in gibbon, 413, 415 



in Gibraltar skull, 906 



in gorilla, 647 



in lemur, 32 



in marmoset, 159. 160, 206 



in orang, 496 



in Pithecus rhesus, 35", 359 



in Khodesian skull, 914 



in tarsius, 93, 97 

 Interparietal fissure, in lemur, 29 

 Interpeduncular gray matter, in chimpanzee, 6 18- 622 



in gibbon, 454, 456 



in gorilla. 6()5 



in marmoset, 188 



in mycetes, 240 



in orang, 542 



in tarsius, 135-1 5 i 

 Interpeduncular space, in dog-headed baboon, 325, 

 345, 347 



in lemur, 63 



in man, 856, 859 



in marmoset, 164 



in Pithecus rhesus, 364 



in tarsius, 97 

 Iron Age, 745, 932 

 Isthmus mescncephali, in chimpanzee, O18, 622 



in gibbon, 439, 452 



in gorilla, 656, 690 



in lemur, 81 



in orang, 540 

 Iter, in gibbon, 455 



in Pithecus rhesus, 382 



J 



•XCOBSOllN, 957 



Java man of Trinil race, 735, 743, 745. See also 

 Pithecanthropus ereetus. 

 pages 475-1 120 in Volume 11. 



