80 



AGE AND AREA 



[PT. I 



but that for endemics much more rapidly than that for wides, 

 the maximum in each case being at about the same spot, and 



Wides 



Endemics 

 (N.Z.only) 



^i'm' 



100 -200 -300 -400 -500 -600 -700 -800 -900 -1000 -1080 



