Miscellaneous papers concerning astronomical matters, including letters from O. Struve, Professor Clerk Maxwell, W.R. Birt, A.V. Auwers, J. Challis and W. De La Rue. The subjects covered include a photograph of the Sun; solar protuberances, in a letter from P.A. Secchi printed in 'The Mechanics Magazine'; C.A. Young's 'Bright Lines in the Spectrum of the Chromosphere'; Christie's paper on 'The Constitution of the Sun's atmosphere and Corona'; solar spectroscopy; W.R. Birt's lunar work; drawings and examination of Venus; drawings of Mars; determining the Sun's parallax by observations of Flora; drawings of Jupiter and Saturn; letters on American telegraphic communication; the aberration of light by J. Challis; studies on longitude by A. d'Abbadie; the twinkling of stars; and correspondence on other subjects relating to astronomy.