88 A. Gray—Forest Geography and Archeology. 
most luxuriant forest-tract in the d, where winter is 
unknown, and a shower of rain falls almost every afternoon 
The size of the Amazon and Orinoco—brimming throughout 
he other side of the Andes, mostly farther south, shows the 
absolute contrast, in the want of rain, and absence of forest; 
happily it is a narrow tract. e same is true of great tracts 
either side of the equatorial regions, the only district where 
great deserts reach the ocean 
of our country is forestless from dryness in our latitude, as the 
high northern zone is forestless from cold. 
The Atlantic United States in the zone of variable weather 
and distributed rains, and the Gulf of Mexico as a caldron for 
. 
country east of it bordering the Gulf of Mexico, forty-five to 
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