
Crystal Sound
(Biscoe Islands)
British Antarctic Territory
Location: 66° 27' 58" S 66° W
extending NE-SW between Biscoe Islands and Loubet Coast, with N limit Cape Evensen to Cape Leblond and S limit Holdfast Point, Roux Island, Liard Island to Sillard Islands, was sighted at its N and S ends by the French Antarctic Expedition, 1908-10, when the name Baie Matha was applied collectively to Matha Strait (q.v.), Darbel Bay and the S part of the present feature, and the name Baie Pendleton (Pendleton Strait, q.v.) to the N part of the present feature. The sound was probably first traversed by Penola of the British Graham Land Expedition, after air reconnaissance, in February 1936. Pendleton Strait, referring to Grandidier Channel and the present feature. Most of the sound and its islands were photographed from the air by the Falkland Islands and Dependencies Aerial Survey Expedition in 1957. In association with the names grouped in this area of scientists who have worked on the structure of ice crystals, the feature was named Crystal Sound.