CONTENTS 



NOLLMU I 



Pace 



Preface vii 



Foreword xv 



List of Illustrations xix 



Introduction. The Primates: Lemurs, Monkeys, Apes and Man, Their Place in 



Nature i 



Pari I. I hi. Lower Primates 



Introduction 2i 



Chapte k 



I. Lemur Mongoz, Its Brain and Bcha%ior 23 



II. Reconstruction of the Gray Matter in the Brain Stern of Lemur Mongoz . "3 



III. Tarsius Spectrum, Its Brain and Behavior 85 



IV. Reconstruction of tiic Gray Matter in the Brain Stem of 'I'arsius Spectrum 135 

 V. Caliitiirix .laichus, tile Marmoset, Its Brain and BeiKi\ior 153 



VT Reconstruction of tiie Cra\ Matter in tlic Brain Stem of Caliitiirix .lacciius 183 



VII. Mycetes Scniculus, Its Brain and Beiiavior lyi 



VIII. Reconstruction of the Gray Matter in the Br.iin Stem of Mycetes Senicuhis 233 

 IX. Comparative Summary of Structures IIa\ing E\()iutionaI Significance in tiie 



Brain Stems of tiie Low it Primates 243 



Pari 1L Ihi. 1mi knu.diate Primates 



Introduction 28- 



Chaptfr 



-X. Papio C>noceijiiaius, tiie CiomiiKin Dofi-I ie.ided Bal)oon, Its Brain and 



I5ehavior 289 



.X 1 . Reconstruction of the Gray Matter in tiie Brain Stem of Papio Cynocephaius 335 



.XII. Pitliecus Rliesus, Macaeus Rhesus, Its Brain and Behavior 349 



.XI 11. Riconstruction of tiie Gray Matter in tlie Brain Stem of Pillucus Rhesus 391 



\i\'. I l\lolDates I looloclv, tiic Gililson, Its Brain and Behavior 405 



W. Recon.struction of the Gray Matter in the Brain Stem of I lyiolxUes I Iooloci< 44- 

 .X\ 1. Comparative Summary of Structures Having Evolutional Significance in 



the Brain Stems of the Intermediate Primates 457 



V 



3 C 3 3 6 



