OTLUENCE OF CLIMATE ON VEGETATION, 
297 
1 ^ H 
S-i ■ pJ CD CD ? 
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ooooooooooo 
Zones = 
Mean Temp. = 
o 
1520 
3040 
4560 
6080 
7600 
1 — ' 
o 
10640 
12160 
13680 
Alt. ft. 
15200 
03 
Equatorial. 

o 
ox 
o 
3040 
4560 
6080 
7600 
9120 
10640 
o 
Alt. ft. 
13680 ; 
OO 
O 
o 
1620 
3040 
4560 
6080 
7600 
o 
Jl»_ 
10640 
Alt. ft. 
12160 
Or 
Tropical and 
Sub-tropical. 
o 
ox 
o 
3040 
4560 
6080 
7600 
1— ' 
o 
Alt. ft. 
10640 
^1 
O 
o 
1520 
3040 
4560 
6080 
7600 
Alt. ft. 
9120 
05 
Warmer Temperate. 
o 
1520 
3040 
4560 
6080 
Alt. ft. 
7600 
1 
o 
1520 
3040 
4560 
Alt. ft. 
6080 
o» 
o 
Temperate. 

o 
1— ' 
Oi 
o 
3040 
Alt, ft. 
4560 
Crr 
O 
o 
Ox 
?0 
O 
Alt. ft. 
3040 
*^ 
Or 
o 
rf^ 
O 
o 
Sub-temperate. 
o 
Alt. ft. 
1520 
Alt. ft. 
0 
to 
o 
Polar. 
VOL. I. NO. X. 
