Paper, 'Remarks upon the Magnetic Observations transmitted from York Fort on Hudson Bay [Canada] in August 1857 by Lieut. Blakiston of the Royal Artillery' by Edward Sabine Sabine writes on the progress of the 'Magnetic Survey of British North America' and shares observations on terrestrial magnetism recorded by Lieutenant Blakiston. Subject: Magnetism Received 16 December 1857. Read 7 January 1858. A version of this paper was published in volume 9 of the Proceedings of the Royal Society as 'Remarks upon the magnetic observations transmitted from York Fort in Hudson’s Bay, in August 1857, by by Lieut. Blakiston, of the Royal Artillery'. 1857