CONTENTS OF VOL. I. XXY 



Page- 

 On the mutual communication of Feeling. 



1. By Sounds. Voice, Natural language. Acquired 



language. Singing birds. Origin of differences in 

 human speech, the causes will always exist. . 277 



2. By signs addressed to the eye. Natural signs, ges- 

 tures. Luminousness. Acquired signs. . . 294 



3. By signs addressed to the touch. . . 297 

 Restraint. The terms Will and Free agency synony- 

 mous with attention. Restraint more easily exer- 

 cised over our intellectual, than over our instinc- 

 tive powers. . . . 299 



Difference between Reason and Instinct. The terms 

 restricted. Dignity of man. Distribution of ani- 

 mals by LAMARK, according to their intelligence. S07 



CHAP. XII. 



Digestive System. 



Hunger. Thirst. Kinds of food. Elements which 

 nourish. How the food is seized, arms, claws, ten- 

 tacula, lips, cutting teeth. Mastication, saliva. De- 

 glutition, pharynx, gullet, stomach. Gastric juice. 

 Digestion, chyme. Intestines, duodenum ; pacre- 

 as; liver, gall-bladder, bile; jejunum, ilium, co- 

 lon, caecum, rectum. Peristaltic motion. Disen- 

 gaged gases. Spleen. Peritoneum, Omentum, 

 Mesentery. . . . . 314, 



CHAP. XIII. 



Circulating System. 



Pulmonic vessels. Lacteals, chyle, thoracic duct. Lym- 

 phatics. Veins, venae cavae. The heart, pericardi- 

 um, pulmonic auricle, pulmonary artery. . 334 



