my fifty pound pack for his. It is true that old Jim 

 Geseek at Grand Marais, used to carry a hundred 

 pounds for twenty miles without resting, but Jim 

 Geseek carried packs all his life time. 



A school boy fourteen years old should not carry 

 more than about twenty-five pounds for ten miles and 

 the average city man, after he gets hardened to it may 

 carry thirty-five pounds all day long without fatigue. 



A packsack should be provided with a head strap, by 

 means of which the carrier can from time to time shift 

 the weight from his shoulders to his forehead. 



WILLING TREES AND SPROUTS 



IN the Australian Forestry Journal of July, 1918, 

 there is an article entitled "Poisoning Green Tim- 

 ber, ' ' from which it appears that very successful results 

 have been secured in destroying such timber by the use 

 of arsenic. The method as described by Mr. C. W. 

 Burrows, Field Assistant of the Department of Agricul- 

 ture, is as follows : 



Of late years, the action of arsenic has been intro- 

 duced with marked success in hastening the killing by 

 the ringbarking process, and trees that ordinarily would 

 take months to kill by the old method, are now killed 

 in a few weeks, and frequently in a few days, by the 

 application of arsenic. 



Arsenic the ordinary white arsenious oxide of com- 

 merce is not soluble in water to any great extent, so 

 that soda, either the ordinary washing soda or caustic 



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