AND ANIMAL LIFK. 437 



on the nature of these, and on those agents which 

 influence them individually, it seems more just 

 to divide the effects of emetics into four classes, 

 and to arrange under each a few of those dis- 

 eases which are obviously benefited by these 

 effects. The first class is 



The changes both in the distribution and quality 

 of the blood, as a consequence of the influence of 

 emetics ; and the diseases arranged under this 

 head are : 



1. Fever. 



2. Dysentery. 



3. Passive Hemorrhages. 



CLASS 2. Improved action of stcernent vessels. 



1. Croup. 



2. Indigestion. 



3. Diarrhoea. 



4. Phthisis? 



CLASS 3. The changes in the properties of 

 the blood. 



1. Active Hemorrhages. 



2. Pulmonic Inflammation. 



CLASS 4. Increased action of the absorbents ; 

 in which division we have the class of drop- 

 sies arising rather from debility than evident 

 inflammation. 



I am fully sensible that this division of the 

 effects of emetics is not correct in all its parts . It 



