Charts. Chichi Jima [or] Beechey Group, Ogasawara [or] Bonin or Arzobispo Islands, Japan, from survey by Japanese Geographical Department in 1881 and 1882 and from survey by U. S. S. Vincennes in 1854, scale naut. m.=2.91 in.; with inset, Ogasawara Group, scale 1° long.=9.83 in.; chart 1902.