XX CONTENTS. 



LECTURE IV. 



Structure of the Brain. — Elementary Constituents of Brain-substance. 

 — Cerebellum. — The primitive Brain. — The Cerebrum the seat of 

 intellectual activity. — Localisation of individual functions. — Ap- 

 plication to Phrenology. — The Cerebral Lobes. — The Convolutions : 

 their relation to the Intellect and the Size of the Body.— The 

 development of the Convolutions, and their arrangement according 

 to Gratiolet and Wagner. — Huschke's Opinions. — Comparative In- 

 vestigation of various Cerebral Forms. — The Cerebral Cavities. — 

 Dispute about them, especially in England - - - 93 



LECTUEE V. 



Examination of other parts of the body. — The Pelvis : the Extremities. 

 — The Skin ; its coloration, structure, perspu-ation, and hair. — The 

 soft parts. — The Face. — Eyes, nose, mouth, lips, cheeks, ears, and 

 chin. — Internal organs - - - - - 118 



LECTUEE VI. 



Comparison of the Structure of Man with that of the Ape. — Differ- 

 ences. — Defencelessness. — Erect position. — Equilibrium of the 

 Skull. — Free mobility of the Anterior Extremities. — Formation of 

 the Pelvis. — Proportions of several parts of the body. — Proportion 

 of the Cranium to the Face. — Development of the Jaws. — Propor- 

 tion of the Cranial Angles. — Cubic capacity of the skulls of Men, 

 Idiots, and Apes. — Herr Bischoff and the Idiots. — Nose, inter- 

 maxillary Bone, and Teeth. — Signification of the Diastemata. — 

 Structure of the Pelvis. — Proportions of the Limbs. — Hands and 

 Feet. — Differences in the Form of the Brain. — Dispute between 

 Owen and Huxley. — Eesearches of Gratiolet and Wagner. — Eela- 

 tions of the Transition Convolutions and the Operculum. — Devel- 

 opment of the Brain. — Form of the Brain in MicrocephaU. - 132 



LECTUEE VII. 



Comparison of Negro and German. — Bodily proportions of the Negro. — 

 Skull. — Pelvis. — Proportions of extremities : arm, hand, leg, foot. — 

 Internal Parts. — Brain. — Face. — Deviations from the normal type. 

 — Differences of Colour. — Insensibility of the Negro. — Babies, and 

 their development. — Eemarkable change about the period of pu- 

 berty. — Mental Inferiority of the Negro. — Constancy of differ- 

 ences. — Eesemblance to the Brute. — Intermediate form between 

 Man and Ape. — MicrocephaU. — The Aztecs - - . 171 



LECTUEE VIII, 



Comparative Examination of two species of monkey, Cebus albifrons 

 and Cebus apella. — Skull and Brain. — Other parts. — Affinities in 

 Nature. — Families. — Definition of Species, Variety, and Eace. — 



