CONTENTS. 



SECTION III. 



THE DISPOSITION AND CONNECTIONS OF THE GREY AND WHITE 



MATTER OF THE BRAIN. 



PAGE 



613. The chief collections of grey matter 952 



1. The central grey matter and the nuclei of the cranial nerves. 



614. The central grey matter .......... 953 



615. The nuclei of the cranial nerves, their topographical distribution . 953 



616. The nucleus of the twelfth or hypoglossal nerve .... 954 



617. The nuclei of the eleventh or spinal accessory, tenth or vagus, and 



ninth or glossopharyngeal nerves . -V . . . . . 955 



618. The nuclei of the eighth or auditory nerve * . . . 957 



619. The nucleus of the seventh or facial nerve . . . 960 



620. The nucleus of the sixth or abducens nerve . . . . 962 



621. The nuclei of the fifth or trigeminal nerve 962 



622. The nucleus of the fourth or trochlear nerve 965 



The nucleus of the third or oculomotor nerve 965 



On the nature and relations of the several nuclei of the cranial 



nerves . . . . 967 



2. The superficial grey matter. 



625. The cortex of the cerebrum and the superficial grey matter of the 



cerebellum . . . ,.'.;.. . . 970 



3. The intermediate grey matter of the Crural system. 



626. The corpus striatum and optic thalamus, their positions and 

 relations. The crus composed of pes and tegmentum. The 



internal capsule and corona radiata 970 



627. The nucleus lenticularis ; globus pallidus and putamen. The 



nucleus caudatus 974 



The optic thalamus, its nuclei ; the pulvinar 978 



The substantia nigra, the red nucleus, and the corpus subthalamicum. 

 The grey matter of the pons, the .upper olive .... 981 



4. Other collections of grey matter. 



630. The corpora quadrigeniina. The corpora geniculata. The corpus 



dentatum of the cerebellum 983 



The arrangement of the Fibres of the Brain. 

 631. The pedal and tegmental systems 984 



Longitudinal Fibres of the Pedal System. 



632. The pyramidal tract. Anterior or frontal cortical fibres. Posterior 

 or temporo-occipital fibres. Fibres from the nucleus caudatus to 

 the crus 987 



