( 45 ) 



Of the cardia and pylorus. 



276. Remarks on the entrance and 

 exit of the food, by thefe orifices. 



Of DIGESTION. 



277. Examination of the principal 

 hypothefes which have been 

 formed to explain the nature of 

 this procefs. 



Objections to each of thefe. 



278. Of the difcoveries lately made 

 on this fubje6l. 



27g. n Of thefuccus gaftricus. 



Examination into the nature and 

 properties of this fluid in men 

 and other animals. 



280. Experiments of REAUMUR, 

 SPALLANZANI and others. 



281. Why the ftomach itfelf is not 

 acted upon by the folvent power 

 of the iuccus gaftricus. 



282. Of 



