Letter from A [Adolf] Ernst, President of the Society of Physical and Natural Scieces of Caracas, to Major General E [Edward] Sabine, President of the Royal Society, London Enclosing a newspaper copy containing a report on the session from 25 November, which relates to the topic of magnetical observations. The back of the letter contains a draft response from Sabine, dated 4 January 1868, enclosing tracings of photographic curves made by the magnetometers at Kew Observatory. [Enclosures not present.] [Place: Santiago de León de Caracas] 6 December 1867