INDEX 



1087 



Descending trigcminil tract in clilni|)anzcc, 577— 

 5<ji, 619 



in dog-headed baboon, 306 323 



in gibbon, 422-432 



in gorilla, 660, 662 



in lemur, 42, 46, 47, 48, 49, 50, 52, 55, 57, 80 



in man, 803-81 1 



in marmoset, 164— 171, 184 



in mycetes, 211-222 



in orang, 503-513, 516 



in Pithccus r[iesus, 366-381 



in tarsius, 104, 105, 106-108, io(>, iii, ii4-iii> 

 Diencephalon, 262 



in chimpanzee, 616 622 



in dog-headed baboon, 345, 347 



in gibbon, 450, 455, 456 



in gorilla, 6g6 



in lemur, 41, 82, 84 



in man, 855, 856, 858 



in mycetes, 240 



in orang, 532, 538, 542 



in Pithecus rhesus, 389 404 

 Differentiation, progressive, evidenced by brain- 

 stem structures, 664, 665, 666, 667, 682 

 Digitationes orbitalis in floor of anterior fossa, 790 

 Digits in chimpanzee, 545, 552 



in gibbon, 407-409 



in gorilla, 623 



in lemur, 258 



in marmoset, 153 



in mycetes, 193, 198-201, 212. 246 



in orang, 479, 480 



in Pithecus rhesus, 350-353 



variations in, 24 

 Discriminative sensibility, 256 



in chimpanzee, 580 



comparison of, in lower primates, 283 



in gorilla, 663 



indicated in caudal sections of brain stem, 662, 663 



in lemur, 44 



in marmoset, 166 



in mycetes, in hand, 212, 213, 225 



in orang, 507, 517 



in parietal lobe, 1015 



relation of, to behavior, 283 



to development in hand, 283, 374 



to dorsal sensorj- nuclei, 255, 315, 367, 370, 371 



to mesial fillet, 216, 225, 586 



to prehensile tail, 283, 374 



to volitional control, 284 



in tarsius, 1 10, 1 17 



Pages I 474 are in Volume I, 



Dog, I 14 



digits of, compared with those of man, 880 

 sensory representation of, 879 



experiments on, 247 



increase in, of inferior olive and olivo-ccrebellar 

 connections, 1031 

 Dog-headed baboon. See Baboon. 

 Domestication of animals, introduction of, 766 

 Dorsal accessory olive in chimpanzee, 580, 613 



in dog-headed baboon, 310-315, 337-339 



in gibbon, 427-429, 448 



in gorilla, 663, 688 



in lemur, 45, 48, 49, 75, ~6 



in mycetes, 218, 219, 234, 256 



in orang, 536 



in Pithecus rhesus, 3-1, 3'"2. 505, 596 



in tarsius, 108, i 10 

 Dorsal cochlear nucleus in chimpanzee, 619 



in dog-headed baboon, 337-344 



in gibbon, 453 



in gorilla, 694, 697 



in lemur, 77, 80, 81 



in man, 814, 853-857 



in mycetes, 239 



in orang, 516, 541 



in Pithecus rhesus, 395-401 

 Dors.-il field of sensory discriminatioti in lemur, .^4 



relation of, to body jjosture, 44 



to dilferentiation in hand, 710, 71 i 

 to outside contact, 44 

 to skilled acts, 44, 255 

 Dorsal gray column in chimpanzee, 620 



in gorilla, 685, 695 



in man, 802, 804, 854 



in marmoset, 183, 190 



in mycetes, 233 



in orang, 543 



in Pithecus rhesus, 391-402 



in tarsius, 102, 103, 105 

 Dorsal horns, cervix of, in orang, 533 

 in Pithecus rhesus, 366 



in chimpanzee, 609 



in Papio cynocephalus, 346 



in tarsius, separation of, 136 

 Dorsal nucleus of lateral fillet in lemur, 61 

 Dorsal paramedian sulcus, in chimpanzee, 572, J76 



in gorilla, 655, 663, 665 



in man, 802-806 



in orang, 498, 504, 509 

 Dorsal sensory field in chimpanzee, 5-6 



in dog-headed baboon, 30-, 308 

 pages 475-1120 in Volume II. 



