THE 

 PENYCUIK EXPERIMENTS 



BY 



J. C. EWART, M.D., F.R.S., 



KEai03 PBOFESSOB OF NAT0EAL HISTORY, UNIYEBSITY OF EDINBUEGl 



WITH ILLUSTRATIONS. 



LONDON 

 ADAM AND CHARLES BLACK 



1899 

 Ail riyhts reserved. 



