GEOGRAPHIC NAMES OF ANTARCTICA 



JACQUINOT ROCKS : group of rocks about mid- 

 way between Hombron Rocks and Cape Ducorps, 

 lying about 3 mi. off the NW. coast of Louis 

 Philippe Pen.; in 63°25'S., 58°24'W. Charted in 

 1946 by the FIDS who named the rocks for 

 Honore Jacquinot, surgeon with the Fr. exp. under 

 D'Urville, which explored this coast in 1838. 



JAGGED ISLAND: rocky island less than 1 mi. 

 long, about 2.5 mi. NNE. of Round Pt., King George 

 I., in the South Shetland Is.; in about 61°53'S., 

 58°14'W. This island, presumably known to early 

 sealers in the area, was charted by DI personnel 

 on the Discovery II in 1935 and given this descrip- 

 tive name. 



JAGGED ISLAND: island in Grandidier Chan., 

 about 2 mi. long and 1 mi. wide, lying about 1.5 

 mi. E. of Dodman i. and 8 mi. W. of Ferin Head, 

 off the W. coast of Palmer Pen.; in 65°58'S., 

 65°44'W. Probably first sighted in January 1909 

 by the FrAE under Charcot. It was charted and 

 named by the BGLE, 1934-37, under Rymill. 



JAGGED ROCKS: group of jagged rocks lying 

 near the center of Hut Cove in the E. part of Hope 

 Bay, at the NE. end of Palmer Pen.; in 63°24'S., 

 56°59'W. First charted in 1903 by a party under 

 J. Gunnar Andersson of the SwedAE. Named by 

 the FIDS in 1945. 



Jallour Islands; Jalour Islets: see Yalour Islets. 



JAMES, CAPE: cape which forms the S. tip of 

 Smith I., in the South Shetland Is.; in about 

 63°06'S., 62°44'W. The name appears on a chart 

 based upon a Br. exp. 1828-31, under Foster, and 

 is now well established in international usage. 



James Island: see Smith Island. 



James Lassiter Barrier; James Lassiter Ice Bar- 

 rier: see Filchner Ice Shelf. 



JAMES NUNATAK: conical nunatak about 1,400 

 ft. in el., standing about 6 mi. S. of Lewis Pt. on 

 the E. coast of Palmer Pen.; in 69°59'S., 62°26'W. 

 This feature was photographed from the air by 

 members of the USAS in September 1940 and was 

 probably seen by the USAS grounjj party that ex- 

 plored this coast. During 1947 it was charted by 

 a joint party consisting of 'memlJ'ers of the RARE 

 and FIDS. Named by the FIDS for David P. James, 

 FIDS surveyor at the Hope Bay base in 1945-46. 



Jameson Island; Jamesons Island: see Low Is- 

 land. 



James Robertson, Mount: see Robertson, Mount. 



JAMES ROSS ISLAND: large island on the SE. 

 side and near the NE. extremity of Palmer Pen., 

 from which it is separated by Prince Gustav Chan.; 

 in 64°10'S., 57°40'W. It is irregularly shaped and 

 extends about 40 mi. in a N.-S. direction. Charted 

 in October 1903 by the SwedAE under Nordenskjold, 

 who named it for Sir James Clark Ross, leader of a 

 Br. exp. to this area in 1842. Not adopted: Ross 

 Island (q.v.). 



James W. Ellsworth Land: see Ellsworth High- 

 land. 



JANE PEAK: conspicuous nunatak, about 700 

 ft. in el., standing 0.5 mi. W. of the N. part of Borge 

 Bay on Signy I., South Orkney Is.; in 60°43'S., 

 45°38'W. Roughly surveyed in 1933 by DI person- 

 nel, and resurveyed in 1947 by the FIDS. Named 

 in 1954 by the Br-APC after the brig Jane, James 

 Weddell commanding, which visited the South 

 Orkney Is. in 1822-23. 



JANET ROCK: small rock about 7.5 mi. WNW. 

 of Marret GL, lying immediately seaward of the ice 

 cliffs overlying Adelie Coast; in about 66°33'S., 

 139°10'E. Photographed from the air by USN Op. 

 Hjp., 1946-47. Charted by the FrAE under Marret, 

 1952-53, and named for Paul Janet, French spir- 

 itualist-philosopher of the 19th century. 



Jane Wade, Mount: see Gray, Mount. 



Jane Wyatt, Mount: see Wyatt, Mount. 



JANSSEN PEAK: conspicuous peak about 3,600 

 ft. in el., forming the SW. end of Sierra Du Fief 

 in the SW. part of Wiencke I., in the Palmer Arch.; 

 in 64°53'S., 63°31'W. Disc, by the BelgAE, 1897-99, 

 under De Gerlache. It was charted by the FrAE, 

 1903-5, under Charcot, who named it for Jules 

 Janssen, noted French astronomer. 



Jason, Mount; Jason Land: see Jason Island. 



JASON HARBOR: bay about 1 mi. wide, lying W. 

 of Allen Bay in the N. side of Cumberland West Bay, 

 South Georgia; in 54°11'S., 36°35'W. Charted and 

 named by the SwedAE, 1901-4, under Nordenskjold. 

 The bay was previously visited by the Jason, Capt. 

 C. A. Larsen, in 1894. 



JASON ISLAND: irregular-shaped, mountainous 

 island, about 40 mi. long in an E.-W. direction and 

 varying from 2 to 10 mi. wide, lying off the E. coast 

 of Palmer Pen.; in 66°10'S., 61°20'W. The island 

 rises steeply above the Larsen Ice Shelf to about 

 1,500 ft. in el. and is deeply inderited by conspicuous 

 bays, and on the W. side is separated from Philippi 

 Rise on Palmer Pen. by an ice-filled strait only 2 mi. 

 wide. Disc, on Dec. 1, 1893 by a Nor. exp. under 



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