Works by Dn ALFRED RUSSEL WALLACE^ 
THE MALAY ARCHIPELAGO: The Land of the Orang 
Utang and the Bird of Paradise. With Maps and Illustrations. 
Extra Crown 8vo. 7s. 6d. 
DARWINISM : An Exposition of the Theory of Natural Selection. 
Illustrated. Crown 8vo. 7s. 6d. 
CONTRIBUTIONS TO THE THEORY OF NATURAL 
SELECTION, AND TROPICAL NATURE, and other 
Essays on Descriptive and Theoretical Biology. Crown 8vo. 
7s. 6d. 
THE GEOGRAPHICAL DISTRIBUTION OF ANIMALS. 
With a Study of the Relations of Living and Extinct Faunas as 
Elucidating the Past Changes of the Earth's Surface. Illustrated. 
Two vols. 8vo. 42 s. 
ISLAND LIFE, OR THE PHENOMENA AND CAUSES 
OF INSULAR FAUNAS AND FLORAS. Including a 
Revision and Attempted Solution of the Problem of Geological 
Climates. With Illustrations and Maps. Extra Crown 8vo. 
7s. 6d. 
STUDIES, SCIENTIFIC AND SOCIAL. Two vols. Extra 
Crown 8vo. i8s. 
IS MARS HABITABLE? A Critical Examination of Professor 
Percival Lowell's Book, " Mars and its Canals," with an 
alternative Explanation. With Map. Extra Crown 8vo. 2s. 6d. 
IMPORTANT BOTANICAL WORKS. 
A TEXT-BOOK OF BOTANY. By Dr. E. Strasburger, 
Dr. Fritz Noll, Dr. H. Schenck, Dr. George Karsten. 
Third Enghsh Edition. Revised with the Eighth German Edition 
by Dr. W. H. Lang. With 779 Illustrations, in part Coloured. 
Medium 8vo. i8s. net. 
THE ORIGIN OF A LAND FLORA. A Theory based 
upon the Facts of Alternation. By Prof F. O. Bower, Sc.D., 
F.R.S. Illustrated. 8vo. i8s. net. 
NOTES ON THE LIFE-HISTORY OF BRITISH FLOWER- 
ING PLANTS. By Lord Avebury. Illustrated. 8vo. 
15s. net. 
MACMILLAN AND CO., Ltd., LONDON. 
