GROWTH OF OAK IN THE OZARKS 21 



ered a satisfactory degree of accuracy in view of the loose (and 

 accordingly variable) 'practice followed in stacking cordwood. 

 Moreover the tables err in the direction of understatement which 

 is the less objectionable direction. 



ACKNOWLEDGMENT 



The plan of the investigation here reported is the joint work 

 of the authors. The field work was carried out at Midco, Missouri 

 in the summer of 1918 by Professor Pegg and Mr. F. R. Bruto. 

 All computations were performed by Professor Pegg the following 

 autumn at Columbia. Most of the figures and tables are publish- 

 ed as prepared by him. His assistance has not been available in 

 the final preparation of the letterpress because of his resignation 

 from the University of Missouri and it has not been possible to 

 submit it to him for his criticism. 



