VI PREFACE 



THE TWENTIETH CENTURY ILLUS- 

 TRATED EDITION 



More than a quarter of a million copies of this work 

 have been printed, and placed in the hands of inter- 

 ested readers in all parts of the English-speaking world. 

 Many thousands of letters received by the author and 

 publishers have testified to the value and usefulness 

 of the information presented, and of the method em- 

 ployed in imparting special physiological facts. The 

 subject is one of perennial interest and supreme prac- 

 tical importance. 



In bringing out this illustrated edition, the pub- 

 lishers have the utmost confidence that the generous 

 appreciation hitherto accorded this work will be con- 

 tinued, and that its mission of usefulness will be still 

 further amplified and extended. 



Publishers. 



June, 1901. 



REVISED AND ENLARGED EDITION 



The destruction of the plates of this work by fire 

 has given the editor and publisher an opportunity for 

 its thorough revision and the addition of several valu- 

 able features, especially a chapter on general anatomy 

 and physiology, giving a brief outline of the "body 

 temple," a chapter on the use of simple remedies for 

 disease, emergencies, etc., and chaj^ters on obstetrics 

 and the care of infants. 



July, IQ03. 



