18 



CONTENTS. 



Fuuiculus Gracilis 714 



Funiculus Cuneatus 711 



Fuuiculus of Eolando 711 



Eestiform Bodies 712 



External Arciform Fibres 712 



Internal Structure 712 



White Matter 714 



Funiculus of Kolando 714 



Funiculus Cuneatus 715 



Funiculus Gracilis 715 



Gray Matter of the Anterior and Lateral Areas 715 



Gray Matter of the Posterior Area 715 



Nuclei 715 



Nuclei in Relation to Floor of the Fourth Ven- 

 tricle 716 



Nucleus of the Spinal Accessory Nerve . . . 716 

 Nuclei of the Vagus and Glossopharyngeal 



Nerves 716 



Nuclei of the Auditory Nerve 716 



White Matter 716 



Pyramid 716 



Olivary Body 717 



Fibres in the Grooves 717 



Eestiform Body 717 



Fibres of Formatio Reticularis 718 



Longitudinal Fibres of the Formatio Reticu- 

 laris 718 



Posterior Longitudinal Bundle 718 



Ascending Root of the Fifth Nerve 718 



Funiculus Solitarius 718 



Transverse and Dorso-ventral Fibres .... 718 



External Arciform Fibres 718 



Internal or Deep Arciform Fibres ..... 719 



Raphe 719 



THE PONS VAROLII. 



Ventral Surface 720 



Dorsal Surface 720 



Relations of the Cerebellar Peduncles to Each 



Other 720 



Deep Portion of the Pons 720 



Trapezium 721 



Septum or Raphe 721 



Gray Matter of the Pons 721 



Nuclei Pontis 721 



Gray Matter of the Formatio Reticularis . . 721 



Superior Olivary Nucleus 722 



Nuclei of the Auditory Nerve 722 



Nucleus of the Facial Nerve 722 



Nucleus of the Sixth Nerve 722 



Nuclei of the Fifth Nerve 722 



Floor of the Fourth Ventricle . 723 



THE CEREBELLUM. 



Weight of the Cerebellum 



Main Lobes of the Cerebellum 



Notches of the Cerebellum 



Worm 



Hemispheres 



Lobules of Superior Worm 



Lobules of Inferior Worm 



Structure of Each Lobule 



Lingulaand Frsenula 



Lobulus Centralis and Alse ... . . . 



Tuber Valvulse and Postero-inferior Lobules . 



Pyramid and Digastric Lobules 



Uvula and Amygdalae 



Nodulus and Flocculi 



Peduncles of the Cerebellum 



Inferior Medullary Velum 



Tent and Lateral Recess 



Superior Medullary Velum 



Arbor Vitse . . . 



Fibres of the Peduncles 



Fibrse Propriaa of the Cerebellum . . . . 



Fourth Ventricle 



Boundaries of the Fourth Ventricle 



Roof of Lower Portion of Fourth Ventricle 



Lateral Recess ; Tela Choroidea Inferior . 

 Lateral Recess 



725 

 725 

 726 

 727 

 727 

 728 

 728 

 728 

 729 

 729 

 730 

 731 

 732 

 732 

 733 

 734 

 734 

 734 

 734 

 735 

 735 

 737 

 738 



738 

 739 



PAGE 



Tela Choroidea Inferior 739 



Lingula 740 



Choroid Plexuses 740 



THE MID-BRAIN. 



Main Divisions 741 



Crustse 741 



Fibres of the Crusta 742 



Substantia Nigra 742 



Tegmentium 742 



Corpora or Tubercula Quadrigemina .... 743 



Aqueduct of Sylvius 744 



Central Gray Matter 744 



Superior Surface of Mid-brain 745 



Posterior Perforated Lamina 745 



Subthalamic Region 745 



THE INTER-BRAIN. 



Optic Thalamus 746 



Structure of the Optic Thalamus 747 



Third Ventricle 748 



Posterior Commissure 748 



Pineal Gland 748 



Structure 749 



Epithelial Roof 749 



Velum Interpositum 749 



Tela Choroidea Superior 750 



Posterior Perforated Lamina 750 



Corpora Albicantia 750 



Tuber Cinereum 750 



Pituitary Body 751 



Lamina Cinerea 751 



Anterior Boundary 751 



Choroid Plexuses 751 



Openings 752 



Optic Tracts 752 



THE HEMISPHERES. 

 General Considerations and Development. 



Frontal Lobes 753 



Parietal Lobes 753 



Fornix 753 



Anterior Commissure 753 



Corpus Callosum 753 



Septum Lucidum 754 



Occipital Lobe 754 



Temporal Lobe 754 



The Lateral Ventricles, and Stntcturfs in Connection 

 therewith. 



Corpus Callosum 756 



Central Cavity or Body 757 



Anterior Cornu 758 



Posterior Cornu or Digital Cavity 758 



Middle or Descending Cornu 758 



Corpus Striatum 759 



Internal Capsule 760 



Tsenia Semicircularis 760 



Fornix 760 



Anterior Commissure 762 



Septum Lucidum 762 



Fifth Ventricle 763 



Hippocampus major or Cornu Ammouis . 763 



Corpus Fimbriatum 763 



Eminentia Collaterals or Pes Accessorius 765 



Fascia Dentata 765 



Choroid Plexuses 766 



Choroid Plexus of the Body of the Ventricle 766 



Epithelial Floor of the Body of the Ventricle 768 



Epithelial Inner Wall of Descending Coruu . 768 



Choroid Plexus of Descending Cornu .... 769 



Structure of Choroid Plexus 770 



Transverse Fissure 770 



Surface Aspect of the Hemispheres . . . . 771 



Surface of Each Hemisphere 771 



Gyri or Convolutions 773 



Structure of the Convolutions 774 



External Lobes and Fissures of the Hemi- 

 sphere 774 



Fissure of Sylvius 774 



Fissure of Rolando 774 



