TO FATHERS OF BIOLOGY. 



school, some of these being considered by critics as 

 wilful forgeries, the high prices paid by the Ptolemies 

 for books of reputation probably having acted as induce- 

 ments to such fraud. The following works have gene- 

 rally been admitted as genuine : 



1. On Airs, Waters, and Places. 



2. On Ancient Medicine. 



3. On the Prognostics. 



4. On the Treatment in Acute Diseases. 



5. On Epidemics [Books I. and III.]. 



6. On Wounds of the Head. 



7. On the Articulations. 



8. On Fractures. 



9. On the Instruments of Reduction. 



10. The Aphorisms [Seven Books]. 



11. The Oath. 



The works "On Fractures," "On the Articulations," 

 " On Injuries to the Head," and " On the Instruments of 

 Reduction," deal with anatomical or surgical matters, 

 and exhibit a remarkable knowledge of osteology and 

 anatomy generally. It has sometimes been doubted if 

 Hippocrates could ever have had opportunities of gaining 

 this knowledge from dissections of the human body, for 

 it has been thought that the feeling of the age was dia- 

 metrically opposed to such a practice, and that Hippo- 

 crates would not have dared to violate this feeling. The 

 language used, however, in some passages in the work 



