vi CONTENTS 



VOLUMI II 

 Pakt hi. The IIighi.k Amiikopoids 



Pace 



Introduction 477 



CHAPTtK 



XVIl. Siniia Satyrus, the Orang-Outang, Its Brain and Behavior 479 



Will. Reeonstruction of the Gray Matter in the Brain Stem of Siniia Satyrus. . 533 



XI.X. Troglodytes Niger, the Chimpanzee, Its Brain and Behavior 545 



XX. Reconstruction of the Gray Matter in tiie Brain Stem of Troglodytes Niger 609 



XXI. Troglodytes Gorilla, Its Brain ;md BeJKuior 623 



XXII. Reconstruction of tiic Gray Matter in tiic Brain Stem of Troglodytes 



Gorilla 685 



.\XIII. Comparati\'e Summary of Structures lla\ing lisolutional Signilicance in 



the Brain Stems of the I liglu-r Anthropoids 699 



Part IV. .Man 

 Introdlction - 729 



Chapter 



XXIV. From Primitive to Modern .Man 731 



XXV. The Brain of Modern Man '. . 777 



XXVI. Reconstruction of the Gra\' Matter in tin- 1 luni.in Brain Stem 837 



XXVII. The Brain of Prehistoric Man 861 



XW'III. Man — Past, Present and Future • 925 



Part V. F\oli tional Modifications of the Primate Cerebrim Cllminating 



in the Human Brain 



Introduction 939 



ClIAPTI K 



XXIX. The Significance of the Structur.il Honiogcneitv' and Specilic Modifications 

 in the Primate Brain. Their Relations to the Progressi\e Adaption of 



Behavior 941 



XX.X. The Internal Structure of the Brain Stem of the Priiuates. Its E\olutionai 

 Modification in Relation to tlie Dcxclopmeiit of Beha\ior. Essential 

 Similarities in Internal l-.lements 993 



References FOR Further Reading 1047 



Index to Volumes I and 1 1 1077 



