Letter from Georg Adolph Erman, Berlin to [Edward Sabine] Erman has sent a ‘troublesome consignment’ to Sabine through [Humphrey] Lloyd and notes it is ‘accompanied with invisible attempts of apology’. Erman describes the contents of the consignment. Erman has sent a note on Sabine’s ‘results on the diurnal changes of declination in southern regions’. Includes extracts of Mr Hamilton’s address to the meeting of the Royal Geographical Society. Remarks on Dr [Tabloski?]. 17 October 1849