The Universe and the

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

With 22 Charts and 22 Diagrams. 8vo. 16s.

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.

With 20 Plates and numerous Woodcuts. Crown 8vo. {Nearly ready.

Essays on Astronomy.

A Series of Papers on

Planets and Meteors, the

Sun and Sun-surrounding

Space, Stars and Star


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.

With Plates, Charts, Woodcuts, and Lunar Photographs. Crown 8vo. 15s.

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


By R. A. Proctor, B.A.

Crown 8vo. 7s. 6d.

Other Worlds than Ours

The Plurality of World

Studied under the Ligh of Recent Scientific Rt searches.

By R. A. Proctor, B.A.

Third Edition, with 14 Illustrations. C, 8vo. 10s.6d.

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


With 49 Diagrams, Crown 8vo. 6.

Outlines of Astronomy

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

Latest Edition, with Plates and Diagrams


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.

New Edition, with Map of the Moon and Woodcuts. Crown 8vo. 7s. 6d.

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.

Second Edition. Small folio, 25s.

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

18mo. is. 6d.

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

8vo. 10s. 6d.

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

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Nautical Surveying, an

Introduction to the Practical and Theoretical Study of-

By J. K. Laughton, M.A.

Small 8vo. 6s.

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.

With 13 Plates and 223 Woodcuts. 8vo. 28s.