CUNTIIUL OF ANIMAL PARASITES 



2t'»".» 



Wliile the study of these piinisites of disease may seem 

 disaoreeable at first, where eaii we lind keener inspiration 

 than in tlie thont;iit of their eontrol by human (•()i)p('ratinii 



Fi<;. 121. Class with state inspector ; nit-ats in cold storai^^e 



and intelligence ? By this ruad unly can mankind Uvv itself 

 from these time-old and world-wide tormentors and sappers 

 of human life. So may even the parasites of the Pharaohs 

 help to teach us lessons in cooperative good will. 



