31 MAY 1851, Page 12

OFFICIAL GEOGRAPHY.

Bristol, 27th May 1851. SIR—In the Times one day last week, appeared an advertisement ema- nating from the Government Emigration Commissioners, inviting tenders for a vessel to convey emigrants to "Portland Bay, New South Wale; South Australia." May not colonists with some reason complain that their inte- rests are sacrificed, when committed to people who have not thought it worth while to make themselves acquainted with the geography of the country with which their duties bring them in such immediate connexion ? What would be said of a letter addressed somewhat in this style—" Bristol,