long., an extent of half a million square miles, still remained a blank in the map. But the two expeditions of 1873, conducted by William Christie Gosse (1842-1881), afterwards deputy surveyorgeneral for South Australia, and Colonel (then Major) Egerton Warburton, made a beginning in the exploration of this terra incognita west of the central telegraph route.
- Tibet was long a terra incognita to Europeans.
Murphy, Terra incognita (1873); and F.
Some of RodrÃguez ' case-studies go some way toward exploring this question, but it pretty well remains terra incognita within terra obscura.
It is still sort of terra incognita we have to cope with.