The STARS in their SEASONS. An Easy Guide to a Knowledge of the Star Groups, in Twelve Large Maps. By Richard A. Proctor. Imperial 8vo. 5s.

London: LONGMANS, GREEN, & CO.


WORKS BY R. A. PROCTOR

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

The ORBS AROUND US; a Series of Essays on the Moon and Planets, Meteors and Comets, the Sun and Coloured Pairs of Suns. With Chart and Diagrams. Crown 8vo. 7s. 6d.

OTHER WORLDS than OURS; the Plurality of Worlds Studied under the Light of Recent Scientific Researches. With 14 Illustrations. Crown 8vo. 10s. 6d.

The MOON: her Motions, Aspects, Scenery, and Physical Condition. With Plates, Charts, Woodcuts, and Lunar Photographs. Crown 8vo. 10s. 6d.