WORKS published by LONGMANS 6 - CO.

9

ASTRONOMY and

Outlines of Astronomy.

By Sir J. F. W. IIerschel, Bart. M.A.Latest Edition, with Plates and Dia-grams. Square crown 8vo. 12s.

Essays on Astronomy.

A Series of Papers on Planets andMeteors, the Sun and Sun-surroundingSpace, Star and Star Cloudlets. ByR. A. Proctor, B.A. With 10 Platesand 24 Woodcuts. 8vo. 12 s.

The Moon ; her Motions,

Aspects, Scenery, and Physical Con-dition. By R. A. Proctor, B.A.With Plates, Charts, Woodcuts, andLunar Photographs. Crown 8vo. 10 s. 6 d.

The Sun ; Ruler, Light, Fire,

and Life of the Planetary System. ByR. A. Proctor, B.A. With Plates &Woodcuts. Crown 8vo. 14A

The Orbs Around Us;

a Series of Essays on the Moon &Planets, Meteors & Comets, the Sun &Coloured Pairs of Suns. By R. A.Proctor, B.A. With Chart and Dia-grams. Crown 8vo. "is. 6 d.

Other Worlds than Ours;

The Plurality of Worlds Studied underthe Light of Recent Scientific Re-searches. By R. A. Proctor, B.A.With 14 Illustrations. Cr. 8vo. ioj. 6 d.

The Universe of Stars;

Presenting Researches into and NewViews respecting the Constitution ofthe Heavens. By R. A. Proctor,B.A. Second Edition, with 22 Charts(4 Coloured) and 22 Diagrams. 8vo.price 10 s. 6 d.

The Transits of Venus ;

A Popular Account of Past and ComingTransits. By R. A. Proctor, B.A.

20 Plates (12 Coloured) and 27 Wood-cuts. Crown 8vo. 8r. 6 d.

Saturn and its System.

By R. A. Proctor, B.A. 8vo. with14 Plates, i4r.

METEOROLOGY.

The Moon, and the Con-dition and Configurations of its Surface.By E. Neison, F.R.A.S. With 26Maps & 5 Plates. Medium 8vo. 31.?. 6 d.

Celestial Objects for

Common Telescopes. By T. W.Webb, M.A. With Chart and Wood-cuts. New Edition in the press.

A New Star Atlas, for the

Library, the School, and the Obser-vatory, in 12 Circular Maps (with 2Index Plates). By R. A. Proctor,B. A. Crown 8vo. 5r.

Larger Star Atlas, for the

Library, in Twelve Circular Maps,with Introduction and 2 Index Plates.By R. A. Proctor, B.A. Folio, 151-.or Maps only, I2r. 6 d .

Dove’s Law of Storms,

considered in connexion with theOrdinary Movements of the Atmo-sphere. Translated by R. H. Scott,M.A. 8vo. ioj. 6 d.

Air and Rain; the Begin-

nings of a Chemical Climatology. ByR. A. Smiti-i, F.R.S. 8vo. 24j.

Air and its Relations to

Life, 1774-1S74; a Course of Lec-tures delivered at the Royal Institution.By W. N. Hartley, F. C. S. With 66Woodcuts. Small 8vo. 6 s.

Schellen’s Spectrum

Analysis, in its Application to Terres-trial Substances and the PhysicalConstitution of the Heavenly Bodies.Translated by JANE and C. LASSELL,with Notes by W. Huggins, LL.D.F.R.S. 8vo. Plates and Woodcuts, 28^

A Treatise on the Cy-cloid, and on all forms of CycloidalCurves, and on the use of CycloidalCurves in dealing with the Motions ofPlanets, Comets, &c. and of Matterprojected from the Sun. By R. A.Proctor, B.A. With 161 Diagrams.Crown 8vo. 10s. 6 d.

B