1 1 < >S 



\Ki;< 



DAY 





perinu'iit with fine ami o>ar-c soils, 

 stirred quickly in a tumbler of water, 

 and then allowed to settle, explains 

 how the stream continues muddy 

 while it runs swiftly, and lv,\v it clear- 

 again as it slackens on more level 

 stretches, dropping the soil to the bot- 

 tom. 



"On any steep, plowed hillside, or on 

 any railroad or trolley embankment. 

 exposed soil may be seen washing with 

 the rain. A forest on a mountain 



spongy -oil of a forc-t and the bare 

 soil "r bed rock from which the for- 

 -t litter lias been removed. 



In many case- the trees planted by 

 school children mi Arbor I >ay are ne- 

 glected afterwards and allowed t" die. 

 In many other cases, however, they 

 are carefully looked after by the chil- 

 dren; and in Idaho, South Dakota, 

 and I "tali, the law requires the school 

 board to care for them during the va- 

 cation. 



Mi 



Portion of the class at work planting tree seeds 



slope may be pictured by a cloth upon 

 a tilted table; then it" water be poured 

 on the higher edge, it will creep down- 

 ward through the cloth and drip -low- 

 ly from the lower edge, as would rain 

 falling upon the forest. If no\\- the 

 cloth be plucked off, and the water 

 Still poured, we may observe at mice 

 what happens \\hen -uch a forest i- 

 destn .yed." 



This i- an adir.irable illustration of 

 the difference in run-off !>t\\een the 



The State Superintendent of North 

 I )akota reports that the tr. char- 



acter of the country is the reason why 

 the people fail to reali/e the need of 

 replacing, by artificial culture, the fa- 

 vorable condition- which nature sup- 

 plies in a for. 'imtry. I le -a\ -. 

 however, that pr. gress i- being made 

 in bringing thi- to the knowledge of 

 the people. In Kansas the day ap- 

 led i- te in thi >On that 

 planted then are not apt to thrive 



