xii CONTENTS. 
A GENERAL ACCOUNT OF THE PEOCESSES OF DIFFUSION, 
OSMOSIS, AND FILTEATION. 
By E. WAYMOUTH KEID. 
Diffusion — Osmosis — Filtration page 261 
THE PRODUCTION AND ABSORPTION OF LYMPH. 
By ERNEST H. STARLING. 
The Production of Lymph — The Physical Forces concerned in the Movement of 
Lymph — The Absorption of Lymph from the Connective Tissues — On the 
Functions of the Lymph in the Nutrition of the Tissues . . . page 285 
CHEMISTRY OF THE DIGESTIVE PEOCESSES. 
By B. MOORE. 
Digestive Ferments — Chemical Composition of Digestive Juices — Saliva — Gastric 
Juice — Pancreatic Juice — -Intestinal Juice — Bile — Digestion of Carbohydrates 
— -Digestion of Proteids — Absorption of Carbohydrates and Proteids — 
Digestion and Absorption of Fats — Bacterial Digestion — Composition of 
Freces page 312 
THE SALIVARY GLANDS. 
By J. N. LANGLEY. 
Anatomical Characters — Histological Characters — Origin and Course of Nerves — 
Changes during Secretion — Reflex Secretion — The Dyspnceic Secretion — 
Stimulation of the Cranial Nerve — Stimulation of the Sympathetic Nerve — 
The Augmented Secretion — Effect of Protracted Stimulation on the Amount 
and Percentage Composition of Saliva — Relation of the Rate of Secretion to 
the Percentage Composition of Saliva — Some General Characters of Saliva — 
Substances secreted in Saliva — Effects of the Cranial and Sympathetic Nerves 
upon the Blood Flow — Mutual Effects of the Cranial and Sympathetic Nerves 
upon Secretion — Effect of Variations in the Amount and Quality of the Blood 
supplied to a Gland — Relation of Secretion to the Flow of Lymph — The 
Secretory Pressure — Reflex Inhibition of Saliva — The Action of Alkaloids — 
Formation of Heat — Electrical Changes — Section of Glandular Nerves — The 
Paralytic Secretion — Secretion due to Reflex Action of Peripheral Ganglia 
— Direct Irritability of Gland Cells — Extirpation of the Glands — Injection 
into the Blood of Saliva and of Gland Extracts — General Considerations — 
Theories of the Mode of Action of Secretory Nerves . . . page 475 
MECHANISM OF SECRETION OF GASTRIC, PANCREATIC, 
AND INTESTINAL JUICES. 
By J. S. EDKINS. 
Histological Appearances accompanying Secretory Conditions of Stomach — Functions 
of the Cells and Regions of the Stomach — Methods of obtaining Gastric Juice — 
Influence of the Nervous System on Gastric Secretion — Conditions which 
provoke Secretion — Formation of the Ferments of Gastric Juice — Formation 
of Rennin — Variations in Gastric Juice during Digestion — Histological Appear- 
ances of the Secretory Conditions of the Pancreas — Influence of the Nervous 
System upon Pancreatic Secretion — Conditions which provoke the Flow of 
Pancreatic Juice— Ferments of the Pancreatic Juice and their Antecedents — 
Variations in Pancreatic Juice during Digestion — Evidence of Secretion in the 
Intestine page 531 
