TO 



COLONEL 

 WILLARD VAN ORSDEL KING, PH.D, 



A VETERAN I^EDICAL ENTOMOLOGIST AND 



PIONEER WORKER ON TICK VECTCRS OF 



RXKY MOUNTAIN SPOTTED FEVER. 



FROM WHOM I HAVE lEARNED MUCH OF 



THE METHODS OF XIENTIFIC INQUIRY. 



II 



