VOL. VI. 1894, PL. 14, 
NAT. GEOG. MAG. 
Transition 
Upper Austral. 
x | 
s 
| 
ee 
Lower Austral. 
SSS ee 
SS SSS 2 
Sass 
SaaS eS 
a | 
SSS eee eee 
eB == 
S f 
. 
mse 
H = 
H = 
“ = 
| H 
—————— 
i # 
= D 
er 
—— 
_—— 
SSS 
= 
mw 
aS aS SSeS 
| 
\ 
= i 
—— 
_——=s 
= 
J 
ql 
LIFE ZONES OF THE UNITED STATES. 
