Page:Popular Science Monthly Volume 22.djvu/654

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THE POPULAR SCIENCE MONTHLY.

WESTERN PASSAGES.

PSM V22 D654 Western passages of ships in the north atlantic.png

*[1][2]

CAPE RACE PASSAGES.

PSM V22 D654 Cape race passages of ships in the north atlantic.png

The comparisons for the different years, omitting the Cape Race passages, are as follows:

  1. West of 70 longitude.
  2. Between 23° and 33° west.