COMPOSITE GAZETTEER OF ANTARCTICA

rising to c. 2100m in NW Alexander Island and including from N to S Vittoria Buttress, Mount Wilbye, Beagle Peak and Mount Morley, were sighted by RAE in January 1821 but probably confused with Havre Mountains (q.v.) (Russian Gap, q.v.);seen from the E on a flight by BGLE, 1 February 1937, but subsequently confused with Havre Mountains (which had been identified from the N on an earlier flight) and included under that name (Stephenson, 1940, map facing p.232); photographed from the air by RARE in 1947 and mapped from air photographs by FIDS in 1959; in association with the names of composers in this area, named Lassus Mountains after Orlandus Lassus (c. 1532-94), Belgian composer (APC, 1961, p.3; BA chart 3571, 14.vii.1961; Searle, 1963, end map; BAS 250P sheet SR 19-20/5 (Ext.), 1-DOS 1978).

Mountains, 15 mi long and 3 mi wide, rising to 2,100 m and extending S from Palestrina Glacier in the NW part of Alexander Island. First seen in 1821 by the Russian expedition under Bellingshausen. Photographed from the air in 1936 by the BGLE but mapped as part of the Havre Mountains. First mapped in detail from air photos taken by the RARE, 1947-48, by Searle of the FIDS in 1960. Named by UK-APC after Orlandus Lassus (c. 1532-94), Belgian composer.