MESSRS. LONGMANS & CO.'S STANDARD AND GENERAL WORKS.
Popular Science (Natural History, Sec.).
Beddard. — The Structure and Classification of Birds. By Frank E. Beddard, M.A., F.R.S., Prosector and Vice-Secretary of the Zoological Society of London. With 252 Illustrations. 8vo., 215. net.
Butler. — Our Household Insects. An Account of the Insect-Pests found in Dwelling- Houses. By Edward A. Butler, B.A., B.Sc. (Lond.). With 113 Illustra- tions. Crown 8vo., 3$. 6d.
Furneaux (W.).
The Outdoor World; or The Young Collector's Handbook. With 18 Plates (16 of which are coloured), and 549 Illustrations in the Text. Crown 8vo., 6s. net.
Butterflies and Moths (British). With 12 coloured Plates and 241 Illus- trations in the Text. Crown 8vo., 65. net.
Life in Ponds and Streams. With 8 coloured Plates and 331 Illustra- tions in the Text. Crown 8vo., 65. net.
Hartwig (Dr. George).
The Sea and its Living Wonders. With 12 Plates and 303 Woodcuts. 8vo., 75. net.
The Tropical World. With 8 Plates and 172 Woodcuts. 8vo., ys. net.
The Polar World. With 3 Maps, 8 Plates and 85 Woodcuts. 8vo., 75. net.
The Subterranean World. With 3 Maps and 80 Woodcuts. 8vo., 75. net.
The Aerial World. With Map, 8 Plates and 60 Woodcuts. 8vo., 75. net.
Heroes of the Polar World. With 19 Illustrations. Cr. 8vo., 25.
Wonders of the Tropical Forests. With 40 Illustrations. Cr. 8vo., 25.
Workers under the GRouND.With 29 Illustrations. Cr. 8vo., 2$.
Marvels Over our Heads. With 29 Illustrations. Cr. 8vo., 2s.
Sea Monsters and Sea Birds. With 75 Illustrations. Cr. 8vo., 25. 6d.
Denizens of the Deep. With 1 17 Illustrations. Cr. 8vo., 25. 6d.
Hartwig (Dr. George) — continued.
Volcanoes and Earthquakes. With 30 Illustrations. Cr. 8vo., 2s. 6d.
Wild Animals of the Tropics. With 66 Illustrations. Cr. 8vo., 35. 6<L
Helmholtz. — Popular Lectures on Scientific Subjects. By Hermann von Helmholtz. With 68 Woodcuts. 2 vols. Cr. 8vo. y 35. 6d. each.
Hudson (W. H.).
British Birds. With a Chapter on Structure and Classification by Frank E. Beddard, F.R.S. With 16 Plates (8 of which are Coloured), and over 100 Illus- trations in the Text. Cr. 8vo., 6j. net.
Birds in London. With 17 Plates and 15 Illustrations in the Text, by Bryan Hook, A. D. McCormick, and from Photographs from Nature, by R. B. Lodge. 8vo., 12$.
Proctor (Richard A.).
Light Science for Leisure Hours. Familiar Essays on Scientific Subjects. 3 vols. Cr. 8vo., 5J. each. Vol. I., Cheap Edition. Crown 8vo., 35. 6d.
Rough Wa ys made Smooth. Fami- liar Essays on Scientific Subjects. Crown 8vo., 35. 6d.
Plea sa nt Wa vs in Science. C rown 8vo., 35. 6d.
Nature Studies. By R. A. Proc- tor, Grant Allen, A. Wilson, T. Foster and E. Clodd. Crown 8vo., 35. 6d.
Leisure Readings. By R. A. Proc- tor, E. Clodd, A. Wilson, T. Foster and A. C. Ranyard. Cr. 8vo. , 3s. 6d.
- # * For Mr. Proctor's other books see pp. 13,
28 and 31, and Messrs. Longmans 6» Co.'s Catalogue of Scientific Works.
Stanley. — A Familiar History of Birds. By E. Stanley, D.D., formerly Bishop of Norwich. With 160 Illustrations. Cr. 8vo. f 3*. 6d.
