The Universe and the

Corning Transits; Researches into and New Views respecting the Con-stitution of the Heavens. By R. A. Proctor, B.A.

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The Transits of Venus ;

A Popular Account of Past and Coming Transits, from the first observed by Hor-rocks a.d. 1639 to the Transit of a.d. 2112. By R. A. Proctor, B.A. Cantab.

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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.

The Moon ; her Motions,

Aspect, Scenery, and Physical Condition. By R. A. Proctor, B.A.

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The Sun ; Ruler, Light,

Fire, and Life of the Planetary System. By R. A. Proctor, B.A.

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Saturn and its System By R. A. Proctor, B.A.

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The Orbs Around Us;

Series of Familiar Essay on the Moon and Planet.

Meteors and Comets, th,

Sun and Coloured Pairs of

Suns.

By R. A. Proctor, B.A.

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Other Worlds than Ours

The Plurality of World

Studied under the Ligh of Recent Scientific Rt searches.

By R. A. Proctor, B.A.

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Brinkley's A stronomy

Revised and partly re-write ten, with Additional Chap ters, and an Appendix of

Questions for Examination

By John W. Stubbs, D.L

Trin. Coll. Dublin am

F. Brunnow, Ph.L

Astronomer Royal of

Ireland.

With 49 Diagrams, Crown 8vo. 6.

Outlines of Astronomy

By Sir J. F. W. Herschel Bart. M.A.

Latest Edition, with Plates and Diagrams

18 NEW WORKS PUBLISHED BY LONGMANS & CO.

A New Star Atlas, for the Library, tlie School, and the Observatory, in 12 Circular Maps {with 2 Index Plates). By R. A. Proctor, B.A.

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Celestial Objects for Common Telescopes. By T. W. Webb, M.A. F.R.A.S.

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Larger StarAtlas, for the

Library, in Twelve Circular Maps, photolitho-graphed by A. Brothers, F.R.A.S. With 2 Index Plates and a Letterpress Introduction. By R.A. Proctor, BA.

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Magnetism and Deviation of the Compass. For the use of Students in Navigation and Science Schools. By J. Merrifield, LL.D.

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Dove's Law of Storms, considered in connexion with the ordinary Movements of the Atmosphere. Translated by R. H. Scott, M.A.

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

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Nautical Surveying, an

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Schellens Spectrum Analysis, in its Application to Terrestrial Substances and the Physical Constitution of the Heavenly Bodies. Translated by jane and C. Lassell; edited, with Notes, by W. Huggins, LL.D. F.R.S.

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