Outlines of Astronomy. By Sir J.F.W. Herschel, Bart. M.A. Latest Edition, with Plates and Diagrams. Square crown 8vo. 12s.

The Moon, and the Condition and Configurations of its Surface. By E. Neison, F.R.A.S. With 26 Maps and 5 Plates. Medium 8vo. price 31s. 6d.

Air and Rain; the Beginnings of a Chemical Climatology, By R.A. Smith, F.R.S. 8vo. 24s.

Celestial Objects for Common Telescopes. By the Rev. T.W. Webb, M.A. Fourth Edition, revised and adapted to the Present State of Sidereal Science; Map, Plate, Woodcuts. Crown 8vo. 9s.

The Sun; Ruler, Light, Fire, and Life of the Planetary System. By R.A. Proctor, B.A. With Plates & Woodcuts. Crown 8vo. 14s.

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Other Worlds than Ours; The Plurality of Worlds Studied under the Light of Recent Scientific Researches. By R.A. Proctor, B.A. With 14 Illustrations. Crown 8vo. price 10s. 6d.

The Moon; her Motions, Aspects, Scenery, and Physical Condition. By R.A. Proctor, B.A. With Plates, Charts, Woodcuts, and Lunar Photographs, Crown 8vo. 10s. 6d.

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A New Star Atlas, for the Library, the School, and the Observatory, in 12 Circular Maps (with 2 Index Plates). By R.A. Proctor, B.A. Crown 8vo. 5s.

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Essays on Astronomy. A Series of Papers on Planets and Meteors, the Sun and Sun-surrounding Space, Stars and Star Cloudlets. By R.A. Proctor, B.A. With 10 Plates and 24 Woodcuts. 8vo. 12s.