ZONE, OF VARIABLE WINDS

IN WHICH WE LIVE.

CALMS OF CANCER

NORTH ZONE OF REGULAR
TRADE WINDS

ZONE OF PERPETUAL RAINS AND WINDS
GEOGRAPHICAL EQUATORIAL LINE

SOUTH ZONE OF REGULAR
TRADE WINDS

CALMS OF CAPRICORN

SOUTH ZONE OF VARIABLE WINDS.

B

SOUTH POLE

Annual report of the Board of

Trustees of the Illinois ...

Illinois Industrial University (Urbana,
III.). Board of Trustees