Vlll PREFACE 



two tables of cubic contents are from the Forestry Quarterly, 

 and one from the Manual for Northern Woodsmen, by Gary. 



The author wishes to acknowledge his indebtedness to all who 

 have aided him in any way in the preparation of this volume, 

 particularly to Prof. Samuel J. Record, who assisted in the 

 correction of the manuscript. 



R. C. BRYANT. 



New Haven, Conn. 

 April, 1913. 



