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

Feb. 1827. SAN gabriei. channel. 47 must therefore have been through Sarmiento''s ' San Gabriel' Channel. At night, when between Cape Froward and Port San Anto- nio, a heavy squall from S.W. carried the little vessel rapidly towards Cape San Isidro, and, at daylight the next morning, she was in the position observed by us, while ascending- Mount Tarn.