Name StatusOfficial ValidatedFeatureIslandsNZ Gazette Reference2012 (53) p.1477DatumRSRGD2000GeoTag[1] PositionDescriptionA group of four small islets of volcanic origin, lying in McMurdo Sound south of Cape Evans on Ross Island. All islets are snow-free and prominent. They consist of Inaccessible, Tent, Little Razorback and Big Razorback Islands. Discovered by the NAE, 1901-04, which named them for James H Dellbridge, engineer with the expedition. Not Delbridge Islands.