78 



AGE AND AREA 



These curves show many things. The first point that appears 

 from their study is that the maxima are not casually scattered 

 all over New Zealand, but occur in masses at particular regions, 

 e.g. chiefly at the far north, at a little south of the middle of the 



\*© Solomon I* 





;\\eiiitt i« 



x^y 



C'"^ 



Net 



t51«. 







rm 



%> 



\*X-V 



I > 





/ \ ' jaorfolk 



\ * / 



Aft-' »» 



d«* I' 



'ZtAuAND 



Soundings in the New Zealand area. Numbers inserted here and there 



give the depth in fathoms at those points. (From the Annals of Botany.) 



100 fathoms. 1000 fathoms. 



South Island, and at the north end of the same island. These 

 last two groups are so close to one another that they are some- 

 what confused together. Of the examples given above, Pitto- 

 sporum and Metrosideros have northern. Ranunculus and Vero- 

 nica southern, and Drimys and Coprosma central maxima. 



