Mercury may be observed in the morning, rising about an hour and ten minutes before the sun on the 1st, the interval decreasing. Towards the end of the month he sets after the sun.

Venus is visible for an hour after sunset throughout the month.

Mars rises about an hour before midnight, at the beginning of the month, the interval increasing.

Jupiter may be seen till three hours after midnight on the 1st, the interval decreasing to about one hour at the end of the month.

Saturn rises about three quarters of an hour before midnight on the Ist, and then gradually earlier each night.

The minor planet Pallas, No. 2 of the series, will come into opposition on the 13th of the month.

Decl.

S.

Erratum in No. 174, page 146, line 13 from bottom, for face read force.

Books Received.-"Report of the Astronomer-Royal to the Board of Visitors of the Royal Observatory, Greenwich, 1877."- "Meteorological Observations made at the Adelaide Observatory by C. Todd, C.M.G., F.R.A.S. Adelaide: W. Cox. 1877."-"British Rainfall, 1876, compiled, by G. J. Symons. London: Edward Stanford, Charing Cross, S. W. 1877.”.

ASTRONOMICAL REGISTER-Subscriptions received by the Editor.
To December, 1877.
Franks, W. S.

Fleming, Rev. D.

TO CORRESPONDENTS..

Watson, J.

We cannot publish communications which are not authenticated by the name and address of the sender, as a guarantee of good faith.

When subscriptions sent by post are not acknowledged in the next number, the Editor will be much obliged if subscribers will at once inform him of the fact.

All Letters requiring an answer must enclose a penny stamp.

The Editor will be obliged if those gentlemen who have not paid their subscriptions will kindly send them by Cheque, Post-office Order, or penny postage stamps, but the Editor will not be liable for loss in transmission. Post Office Orders for the Editor are to be made payable to JOHN C. JACKSON, at Lower Clapton, London, E.

The Astronomical Register is intended to appear at the commencement of each month; the Subscription (including Postage to all parts of Great Britain and Ireland) is fixed at Three Shillings per Quarter, payable in advance, by postage stamps or otherwise.

The pages of the Astronomical Register are open to all suitable communications. Letters, Articles for insertion, &c., must be sent to the Rev. J. C. JACKSON, Clarence Road, Clapton, E., not later than the 15th of the Month.