40 



COMMENTS ON MR. CARV'S WORK. 



The experimental work of Mr. Cary and its results are summarized 

 in the following table. The data are arranged in the numerical oi-der 

 of the trees exi^erimented with. 



Smnmary ineir of Mr. Cary's work. 



* Trees exerting decided attraction. 



+ Trees lightly attacked. 



Of the four trees hack-girdled and one tree belt-girdled on May 29, 

 tAvo hack-girdled and the one belt-girdled were attacked. One ti'ee 

 girdled to heartwood was not attacked. 



Of the eight trees hack-girdled on June G, six were attacked and 

 two, liaving diseased wood and roots, fell without being attacked. 



Of the five trees girdled on June 13, all were attacked. 



Of the three trees girdled on June IG, two were not attacked and 

 one but lightly. 



Of the five trees girdled <tn June 11), two were attacked and three 

 were not. 



Of the seven trees girdled on July 11, two wei-e attacked seriously, 

 two lightly, and three not at all. 



Of the six trees girdled on September 1, none were attacked. 



Of the fourteen trees girdled on June <'> and Ki, nil but the two that 



