Letter from John Couch Adams, on a paper 'On the luni-solar variations of magnetic declination and horizontal force at Bombay, and of declination at Trevandrum' by Charles Chambers to John William Strutt, Lord Rayleigh A section should added to the paper, acknowledging John Allan Broun's paper in order to appease Balfour Stewart. He should state that the his own views were arrived at independently. Subject: Astronomy [Published in Proceedings of the Royal Society, 1886]. 6 November 1886