CONTENTS. 



CONVERSATION I. 



Anatomy comparative Anatomy Physiology Life distinc- 

 tions between organic and inorganic bodies between animal 

 and vegetable beings the primitive Tissues, cellular, muscu- 

 lar, nervous properties of the cellular Tissue of the muscu- 

 lar elementary composition of the Tissues 13 



CONVERSATION II. 



Digestion possessed by vegetables as well as animals alimen- 

 tary canal its coats the teeth mastication lateral motion 

 of the jaws deglutition descent of the food into the stom- 

 ach abdomen the stomach 34 



CONVERSATION III. 



(Shymificatioii the gastric juice artificial digestion digestion 

 in Birds digestion of liquids influence of digestion upon 

 the other functions of the body effect of exercise upon diges- 

 tioninfluence of the mind upon digestion drinks natural 

 diet chylification bile liver pancreas spleen -lacteals 

 rumination digestion of reptiles and fishes of Mollusca and 

 Zoophytes ,...., 48 



CONVERSATION IV. 



Circulation the blood connection of the circulation with res- 

 pirationblood vessels the heart arteries veins blue 

 boys- -motion of the heart anastomosis of arteries the pulse 

 influence of disease on the pulse the lesser or pulmonic 

 the greater or systemic, circulation the capillary system in- 

 flama tion adhesion. . . t 72 



