viii CONTENTS. 



THE SYMPATHETIC AND OTHEK BELATED SYSTEMS 



OF NERVES. 



By J. N. LANGLEY. 



General Account of the Sympathetic Nervous System — Sympathetic Nervous 

 Supply of the Head — Of the Skin, except that of the Head and of the Ano- 

 Genital Eegion — Of the External Generative Organs and of the Skin of the 

 Ano-Genital Eegion — White and Grey Rami ; Some General Features of the 

 Sympathetic Nerve Supply to the Skin — Of the Skeletal Muscles — Of the 

 Thoracic and Abdominal Viscera — Nerve Fibres of the Sympathetic System — 

 Degeneration of Nerve Fibres— Regeneration — Structure of Sympathetic Nerve 

 Cells— Duration of Effects caused by Section of Nerves — Efferent Pre-Ganglionic 

 Fibres in relation to the Anterior and Posterior Roots of the Spinal Nerves — 

 Nervous Systems related to the Sympathetic Nervous System — Distribu- 

 tion and Action of Cranial Autonomic Nerve Fibres — Distribution and Action 

 of Sacral Autonomic Nerve Fibres — The Enteric Nervous System— Possible 

 Autonomic Fibres running direct in the Cerebro-Spinal Nerves — Local Nerve 

 Centres other than the Cranial, Sympathetic, and Sacral Ganglia — Questions 

 common to the Sympathetic and to Some Other Parts of the Autonomic 

 System — Mode of Action of Inhibitory Fibres — Automatism of Peripheral 

 Ganglia — The Peripheral Ganglia as Centres for Definite Areas — Reflex Action 

 from Autonomic Ganglia — The Number of Nerve Cells on the course of a Pre- 

 Ganglionic Fibre ; Commissural Fibres — The Size of Nerve Fibres as a Char- 

 acteristic of the Autonomic System — Afferent Autonomic Nerve Fibres ; 

 Referred Pain in Visceral Disease — Growth of Pre-Ganglionic Cranial Fibres 

 into Sympathetic Ganglia — General Comparison of the Cranial, Sacral, and 

 Sympathetic Autonomic Systems . page 616 



THE CEREBRAL CORTEX. 



By E. A. SCHAFER. 



General Functions — Results of Removal of whole Cortex — Of one Hemisphere — 

 Results of Artificial Excitation — Character of Muscular Contractions resulting 

 from Excitation — Other Phenomena resulting from Excitation — Effects on 

 Resjnration — On Circulation — On the Pupil — On the Secretions and on the 

 Muscular Tissue of the Viscera — Heat Centres — Epilepsy — Special Localisa- 

 tions — The Motor Areas and Centres— Sensory (?) Functions of Motor Areas — 

 Results of Stimulation and Removal of Particular Areas — Associated Move- 

 ments—The Principal Parts of the Motor Cortex of the Monkey— The Head 

 and Eyes Area — Face Area — Arm Area — Leg Area — Trunk Area — The Motor 

 Centres in the Orang— The Motor Centres in Man — The Sensory Areas of the 

 Cortex— The Visual Area— The Auditory Area— The Olfactory and Gustatory 

 Areas — The Localisation of Tactile Sensibility — Latent Regions of the Cortex 

 —Hypothesis of Association Centres of Flechsig — Aphasia — Connections of 

 Cortical Centres with one another and with Lower Centres . . page 697 



THE SPINAL CORD. 



By C. S. SHERRINGTON. 



Reflex Action— The Way In— Recurrent Sensitivity— The Way Out— Relation of 



Afferent to Efferent Root Cell — Reflex Tonus— Regeneration of Afferent Roots 



—Functional Anatomy of Mediate Spinal Cell-Systems — The Spinal Grey 



Matter -Reflex Capacity of Fragments of the Cord — The Spinal Animal — 



Rules of Spread in "Short" Reflexes— In Long Reflexes— Influence of the 



