394 



Forestry Quarterly. 



TABLE I. 

 Summary of Results. 



62 By Scribner Rule 6.847 



By "Universal" Rule 7-194 



By measurement of 



sawed lumber 7.625 



TABLE 2. 

 Distribution ov OvaE-run. 



No. of 

 Group. 



778 



431 



10.1% 

 5.6% 



I. ( i_ 50 bd. ft.) 

 II. ( 51— ICO bd. ft.) 



III. (loi— 150 bd. ft.) 



IV. (151—200 bd. ft.) 

 V. (201 — 250 bd. ft.) 



VL (251—300 bd. ft.) 

 VII. (300+ bd. ft.) 



Total, 

 *Under-run. 



TABLE 3. 



Mean Over-run, for logs of Different Sizes. 



Mean Over-run, Board Feet. 

 No. of Group. Daniels' "Universal" 



Rule. Scribner Rule. 



L ( I— 50 bd. feet) 6.6 



II. ( 51—100 bd. feet) 8.5 



III. (loi — 150 bd. feet) 2.4 



IV. (151—200 bd. feet) 7.2 

 V. (201 — 250 bd. feet) 14-3 



VL (251— 300 bd. feet) 11.3 



VII. (301+ bd. feet) 13.3 



9.2 

 16.9 

 12.3 

 17.7 

 13-0 

 23.0 

 13-3 



