Preface. 



VI. 



therefore, Feoktistow's labors would have led to no 

 practical result, they are, nevertheless, a most valuable 

 contribution to science as being the first to demon- 

 strate the action ot snake-poison on a strictly scientific, 

 experimental basis. For this reason, and with so high 

 an authority as Professor Kobert vouching for the cor- 

 rectness of the experiments, tliey will be frequently 

 quoted hereafter. 



