. Notes on the northern Atlantic for the use of travellers [microform]. Ocean; Marine biology; Océan; Biologie marine. 92 THE NORTHEEN dissolved, below the usual limit. On April 27, 1829 Captain Couthonj—the commander of one of the ' New York Liners '-fell in with a berg, one fourth of a mile square and 90 feet in height, in lat. 36° 10' N and long. 39° W., which had successfully run the gauntlet through no less than 500 miles of the warm waters of the Gulf Stream. Generally speaking, the ' ^"^ ^''""'' ^Sins i° March and closes in July, but the bergs are often met wit
. Notes on the northern Atlantic for the use of travellers [microform]. Ocean; Marine biology; Océan; Biologie marine. 92 THE NORTHEEN dissolved, below the usual limit. On April 27, 1829 Captain Couthonj—the commander of one of the ' New York Liners '-fell in with a berg, one fourth of a mile square and 90 feet in height, in lat. 36° 10' N and long. 39° W., which had successfully run the gauntlet through no less than 500 miles of the warm waters of the Gulf Stream. Generally speaking, the ' ^"^ ^''""'' ^Sins i° March and closes in July, but the bergs are often met with both before and after these dates. The earliest instance on record occurred on January I, 1844, when the packet ship Sully fell in with a berg in lat. 45° N. and long. 48° W. ;_the latest in September, 1822, when Captain Couthony saw a berg in lat, 43° 18'N. and long. 48° 30'M% on the eastern edge of the Grand Bank. It was stated at p. 72 that the great currents of the ocean were partly due to the earth's rotation on Its axis, and partly to the action of the Trade Winds generated by the extreme heat of the equatorial re- gions. Whilst admitting that a general oceanic cir- culation is due to differences of temperature. Dr. W B Carpenter contends that polar cold, rather than equa- ' tonal heat, is the primum mobile of this circulation The following extracts from a paper published in the 'Proceedings of the Royal Geographical Society' of March 23, 1871, will, it is hoped, jrive the reader a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brown, Richard, fl. 1880. London : S. Low, Marston, Searle, & Rivington
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