328 



VORl'VTRY l\VKSTIG\TIO\K I' P. D! PAlfTMENT OP AGRICULTURE. 



+ 2° 









,.„.,_—,,._ _..., 

















+ 1° 



.—-'** 



■ _ 















_,«„...-—.,. 



** » 



_. 



o 



























1 ° 



— 1 















z2= ,, r ,.„,..». 





•% -j%2 



r^j^^j^. 





-2° 



















* 



— o 











"**" "'^" J-** 



' .. 



""**••—■«-.. 





/ 



/. .... , 



■ 





-4° 

















: 













WINTER. 



SPRING. 



SUMMER. 



AUTUMN 



Fid. 70 — 1 n p top 1» iii|>< i if in difit m n< < -, ( IF— <>) \ oi„r< < n fi< ( s 



Daidnons fr((S. 



rvagueit iiec^ 



Ue><t it of all 



rru 77 —\iT\n \\ tunpn itim, ^radiont^n "woods <Ugms Fahnnlmt foi 100 ieet. 



+•5° 

















_,--"•" 



"••^^ 









-*-4° 









s 



-— — " 



N 



.^'Jsf 



^~- 





^ , 







4-3° 









/ 

 / 







>***V 



■""— " *^'~ 











±90 













/ 



y 









»»**"" 



V 





+ 1° 



n»»**" 



"""**"*»*-. 



















- V55 



" 



. 





i 



**" - . 



' 



- 













■ ■■ '" \ 



-. .--' 



I. - 



WINTER 



SPRING 



SUMMER 



AUTUMN. 



EVERGREEN TREES 



AVERAGE O e BOTH. .DECIDUOUS TREES, 



Pig 78 —A ei heal t« mp< rihin ^1 t<lu nis fiom ob->( i\ itious abo-\ c tioes 



-f* r 



"T I 



DECIDUOUS TREES 



■" »">»..*«, ,__ 



[•———— 











EVERGREEN TREES 













■4* 1 













1 

















--"■""" 



*"*" — ~ — . 



.— 



—--**' 











^- 



^-- 



""*■>« ^ 





- 1° 



"■•"■•««., 









_ w **•»' 



.-_ -.._.,! 









,<c" 



.^.a-y 



-2° 







•~ - 









-.«■*—• 













WINTER | SPRING. 1 SUMMER. 



AUTUMN. 



.MINIMA. 



— MEAN 



MAXIMA. 



FIG 70.— Forest Umpmtim (lifRiences abov. iius— iiom Fauhal s observations. 



