OVERTHROW OF AUTHORITY IX SCIKXCE 



37 



not published imlil 1754, and therefore did not exert the in- 

 fluence upon anatomical studies that those of VesaHusdid, 



The Especial Service of Vesalius. — It should be remem- 

 bered that both these men had the advantage of the sketches 

 made under the direction of Vesalius. Pioneers and ])ath- 

 breakers are under special limitations of being in a new- 

 territory, and make more errors than they would in following 



Fig. 8. — Fallopius, 1523-1563. 



another's survey of the same territory; it takes much less 

 creative force to correct the errors of a first survey than 

 to make the original discoveries. Everything considered, 

 Vesalius is deserving of the position assigned to him. He 

 was great in a larger sense, and it was his researches in 

 particular which re-established scientific method and made 

 further progress possible. His errors were corrected, not by 



