40 



COMMENTS ON MR. GARY'S WORK. 



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

 in the following table. The data are arranged in the numerical order 

 of the trees experimented with. 



Summary view of Mr. Cary's ivork. 



Number 



of 



tree. 



In what 

 group. 



Diam- 

 eter of 

 tree. 



Date of 

 girdling. 



Results to October 4 to .9. 







Inches. 







2 



I 



28 



May 29 



Not attacked: living. 



3_ 



I 



12 



...do... 



Not attacked: dying. 



*4 



II 



20 



...do... 



Attacked: dead; leaves fallen. 



*5 



II 



16 



...do.... 



Do. 



*6_ 



II 



15 



.. do.... 



Do. 



+7 



II 



22 



...do ... 



Not attacked; dead: leaves fallen. 



8 



VI 



18 



June 6 



Not attacked; tree blown down. 



*9_. 



VI 



17 



...do.... 



Attacked; dead; leaves fallen. 



*10. 



VI 



14 



...do 



Do. 



11. 



VI 



18 



...do.... 



Not attacked; blown down. 



*12 



VI 



17 



.-.do.... 



Attacked; dead: leaves fallen. 



*13. 



VI 



19 



...do.... 



Do. 



•14. 



VI 



13 



...do... 



Do. 



*15. 



VI 



16 



... do- 



Attacked; dying; leaves not all fallen. 



+16 



III 



17 



June 13 



Attacked; living. 



+1? 



III 



15 



...do ... 



Do. 



•18. 



III 



17 



...do... 



Attacked: dead: leaves fallen. 



*19._ 



III 



17 



...do.... 



Attacked. 



*20 



III 



15 



...do- 



Do. 



21 



V 



16 



June 16 



Not attacked: living. 



+22 



V 



16 



...do... 



Lightly attacked: living. 



23. 



V 



17 



...do ... 



Not attacked; living. 



24 



I 



13 



June 19 



Do. 



25 



I 



18 



...do ... 



Do. 



*26 



I 



20 



...do ... 



Attacked; dead. 



*27 



I 



15 



.. do ... 



Do 



28. 



I 



16 



...do.... 



Not-attacked; living. 



31 



IV 



18 



July 11 



Do. 



+32 



IV 



17 



...do.... 



Lightly attacked; living. 



33. 



IV T 



20 



... do... . 



Not attacked; living. 



34. 



IV 



17 



...do... 



Do. 



+35 



III 



15 



...do.... 



Lightly attacked: living. 



+30. 



III 



15 



...do... 



Attacked; dying. 



*37. 



III 



18 



...do.... 



Attacked; dying; leaves partly fallen. 



40. 



III 





Sent. 1 



Not attacked; living. 



41 



IV 



13 ... do— 



Do. 



42. 



IV 



14 ...do... 



Do. 



43 



II 



13 ... do.— 



Do. 



44.. 



11 



13 ...do— . 



Do. 



45 



II 



13 ...do.... 



Do. 



* Trees exerting decided attraction. 



1 Trees lightlv attacked. 



Of the four trees hack-girdled and one tree belt-girdled on May 20, 

 two hack-girdled and the one belt-girdled were attacked. One tree 

 girdled to heartwood was not attacked. 



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

 two, having 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 16, two were not attacked and 

 one but lightly. 



Of the five trees girdled on June 19, two were attacked and three 

 were not. 



Of the seven trees girdled on July 11, two were 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 6 and 13, all but the two that 



