WORKS published by LONGMANS G 3 CO.

ii

Text-Books of Science,

Mechanical and Physical, adapted forthe use of Artisans and of Students inPublic and Science Schools. Small8vo. with Woodcuts, &c.

Abney’s Photography, 3r. 6 d.Anderson’s Strength of Materials, 3-r. 6d.Armstrong’s Organic Chemistry, y. 6d.Barry’s Railway Appliances, 3r. 6 d.Bloxam’s Metals, 3r. 6d.

Goodeve’s Mechanics, y. 6d.

-Mechanism, y. 6d.

Gore’s Electro-Metallurgy, 6r.

Griffin’s Algebra & Trigonometry, 3/6.Jenkin’s Electricity & Magnetism, 3/6.Maxwell's Theory of Heat, y. 6 d.Merrifield’s Technical Arithmetic, y. 6 d.Miller’s Inorganic Chemistry, 3r. 6 d.Preece & Sivewright’s Telegraphy, 3/6.Shelley’s Workshop Appliances, 3r 6 d.Thome’s Structural and PhysiologicalBotany, 6s.

Thorpe’s Quantitative Analysis, 4r. 6 d.Thorpe & Muir’s Qualitative Analysis,price y. 6d.

Tilden’s Systematic Chemistry, 3-r. 6d.Unwin’s Machine Design, 3r. 6d.Watson’s Plane & Solid Geometry, 3/6.

Light Science for Leisure

Hours; Familiar Essays on ScientificSubjects, Natural PhenomenA, &c.By R. A. Proctor, B.A. 2 vols.crown 8vo. y. 6d. each.

The Comparative Ana-tomy and Physiology of the Verte-brate Animals. By Richard Owen,F.R.S. With 1,472 Woodcuts. 3vols. 8 vo. £y 13^ ^d.

Kirby and Spence’s In-troduction to Entomology, or Ele-ments of the Natural History of Insects.Crown 8vo. $s.

A Familiar History of

Birds. By E. Stanley, D.D. Fcp.8vo. with Woodcuts, y. 6d.

Homes without Hands;

a Description of the Habitations ofAnimals, classed according to theirPrinciple of Construction. By the Rev.J. G. Wood, M.A. With about 140Vignettes on Wood. 8vo. 141.

Wood’s Strange Dwell-

ings; a Description of the Habitationsof Animals, abridged from i Homeswithout Hands.’ With Frontispieceand 60 Woodcuts. Crown 8vo. 7.?. 6d.

Wood’s Insects at Home;

a Popular Account of British Insects,their Structure, Habits, and Trans-formations. With 700 Woodcuts.8 vo. 14J.

Wood’s Insects Abroad;

a Popular Account of Foreign Insects,their Structure, Habits, and Trans-formations. With 700 Woodcuts.8vo. 14 s.

Wood’s Out of Doors ; a

Selection of Original Articles onPractical Natural History. With 6Illustrations. Crown 8vo. Js. 6d.

Wood’s Bible Animals; a

description of eveiy Living Creaturementioned in the Scriptures, from theApe to the Coral. With 112 Vignettes.8vo. 14s.

The Sea and its Living

Wonders. By Dr. G. I-Iartwig.8vo. with numerous Illustrations, price1 or. 6d.

Hartwig’s Tropical

World. With about 200 Illustrations.8vo. 1 or. 6 d.

Hartwig’s Polar World;

a Description of Man and Nature in theArctic and Antarctic Regions of theGlobe. Chromoxylographs, Maps, andWoodcuts. Svo. ioj\ 6d.

Hartwig’s Subterranean

World. With Maps and Woodcuts.8vo. 1 or. 6d.

Hartwig’s Aerial World;

a Popular Account of the Phenomenaand Life of the Atmosphere. Map,Chromoxylographs, Woodcuts. 8vo.price 1 or. 6d.