REPORT ON FORESTS. 



133 



suffice to afford a basis for broad generalization. During lum- 

 bering operations at Job's swamp, near Whitings, and at Mari- 

 gold swamp, near New Gretna, eighteen trees were carefully 

 analyzed. These measurements are summarized below. 



Table 2*. 



Summary of Nineteen Stem Analyses of White Cedar, taken 



at Jotfs Swamp, Burlington County, and Marigold 



Swamp, Ocean County. 



The rate of growth in diameter and height was obtained in 

 the same way as that of the Pine, by plotting the progress of 

 the growth of each tree on cross-section paper and drawing a 

 normal curve through the various points. The values from 

 these average curves are as follows : 



