84 



CLIMATIC CYCLES AND TREE-GROWTH 



rings were measured by Mr. Austin, using the long-plot method, 

 and represented dates from 1652 to 1922. The smoothed curve, 



1800 1850 



Fig. 6 — Coast zone, smoothed group curves 



shown in part in figure 6 herewith, when taken in its entire length, and 

 especially when reduced to 3 specimens showing more variation, though 

 complacent for short cycles, evidently has a long period of the order 



