Narrative of the surveying voyages of his majesty's ships Adventure and Beagle (vol.1): between the years 1826 and 1836 : describing their examination of the southern shores of South America, and the Beagles's circumnavigation of the globe

356 KIRKE NARROW SINGULAR EDDIES. April 1830. " (23d.) A thick fog confined us at our anchorage till eight, when, having some hopes of the weather clearing, we weighed, and stood for the Narrow, but a continued haze prevented us from entering until after noon. As we approached, no tide could be perceived, and again we were doubtful of our calcu- lations, having expected to find it favourable, however, we steered for the islands. To give a better idea how we were driven about as we tried to approach this Narrow, I have attempted, in the subjoined plan, to show the direction of the currents, and the courses we were carried by the eddies. *' The wind was light from the north-eastward. Upon our reaching the station marked 1, without having previously