8 PREFATORY. 



and perpetuate the physiological state, without regard to 

 their origin or kind, or whether they be mineral or vege- 

 table ; reserving to himself the right to reject every 

 process and agent which militates against the sanatory 

 forces of the body. 



It is generally customary among authors, when sending 

 forth a book, to write some sort of an introduction. We 

 propose, for once, to deviate from the general custom, 

 and therefore launch this book into the great ocean of 

 literature without any sort of introduction, preferring to 

 let it carve its own way to public patronage on its 

 merits alone. 



G. H. DADD. 



