xviii CONTENTS 



VOLUME II 

 Part III. The Higher Anthropoids 



Pace 



Introduction 477 



Chapter 



XVII. Simia Satyrus, the Orang-Outang, Its Brain and Behavior 479 



XVIII. Reconstruction of the Gray Matter in the Brain Stem of Simia Satyrus. . 533 



XIX. Troglodytes Niger, the Chimpanzee, Its Brain and Behavior 545 



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



XXI. Troglodytes Gorilla, Its Brain and Beha\ior 623 



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



Gorill 685 



XXIII. Comparative Summary of Structures Having E\olutional Significance in 



the Brain Stems of the Higher Anthropoids 699 



Part IV. Man 

 Introduction 729 



Chapter 



XXIV. From Primitive to Modern Man 731 



XXV. The Brain of Modern Man 777 



XXVI. Reconstruction of the Gray Matter in the Human Brain Stem 837 



XXVII. The Brain of Prehistoric Man 861 



XXVIII. Man — Past, Present and Future 925 



Part V. Evolutional Modifications of the Primate Cerebrum Culminating 

 IN the Human Brain 



Introduction 939 



Chapter 



XXIX. The Significance of the Structural Homogeneity and Specific Modifications 

 in the Primate Brain. Their Relations to the Progressive Adaption of 



Behavior 941 



XXX. The Internal Structure of the Brain Stem of the Primates. Its Evolutional 

 Modification in Relation to the Development of Behavior. Essential 

 Similarities in Internal Elements 993 



References for Further Reading 1047 



Inde.x to Volumes I and II 1077 



