Observations, see Latitude and Longitude.

Ode upon Waygats or the Strait of Nassau, to the tune of the 42nd psalm, [cxxiii]

Oesel, Island, [xiii]

Oliver, see Alferius

Onega, river, [vii]

Oom (Lambert Gerritsz.) commands the Swan on the second expedition, [cxii]

Orange Island or Ostrov Golets, [51]

Orange (Islands of) cix, [25], [194]

Palliser (Captain), sails to the North Coast of Novaya Zemlya, [xli];
reasons for his not circumnavigating it, ib.;
enters the Kara Sea through Matthew’s Straight, [xlii]

Pampus, [13], [174]