1480 LIFE : OUTLINES OF GENERAL BIOLOGY 



Charles Darwin, The Formation of Vegetable Mould through the 



Action of Worms. 1881. 

 K. Grogs, The Play of Animals. 1900. 

 Hesse and Doflein, Tierbau und Tierleben. 2 vols. Leipzig and 



Berlin, 1910, 1914. Dofiein's volume on Tierleben is a treasury 



of modern ecology. 

 Warming, Ecology of Plants. Oxford, 1909. Very valuable. 

 HiLZHEiMER and Haempel, Handbuch der Biologie der Wirbeltiere. 



2 vols. Stuttgart, 1912, 1913. An excellent book dealing mainly 



with the ecology of Vertebrates. 

 H. E. Howard, Territory in Bird Life. 



Bird Behaviour. Of great importance. 

 Sir John Lubbock (Lord Avebury), Ants, Bees, and Wasps. Internat. 



Sci. Series. 

 P. A. Buxton, Animal Life in Deserts. 

 A. G, Tansley, Practical Plant Ecology. 

 L. J. Henderson, Fitness of the Environment. 

 R. Lydekker, J. T. Cunningham, G. A. Boulenger, and J. Arthur 



Thomson, Reptiles, Amphibians, Fishes, and Lower Chordates 



191 2. Continuing Pycraft's Birds. Largely ecological. 

 E. W. SwANTON, British Plant Galls. 

 J. G. Needham and J. T. Lloyd. Life of Inland Waters. 

 NusBAUM, Karsten, and Weber, Lehrbuch der Biologie. Leipzig, 



1911. An excellent treatise on ecology. 

 ♦Frances Pitt, Wild Creatures of Garden and Hedgerow. Other 



admirable books. 

 W. P. Pycraft, History of Birds. 1910. A masterly book, rich in 



ecological material and suggestion. 

 Shelford, Animal Communities. Chicago, 1914. 

 *J. Arthur Thomson, The Wonder of Life. 1914. 

 ♦Margaret Thomson, Threads in the Web of Life. 1910. For young 



people. 

 C. W. Townsend, Sand Dunes and Salt Marshes. 191 3. 

 ♦Tregarthen, Life of Badger; Life of Otter; Life of Fox, etc. Excellent 



studies in ecology, 

 W. M. Wheeler, Ants. Columbia Univ. Series. 

 ♦Gilbert White, Natural History of Selborne. 1788. An evergreen 



initiation. 



INTERRELATIONS OF FLOWERS AND INSECTS 



Charles Darwin, Fertilisation of Orchids, 1862. 

 Cross-Fertilisation. 1876. 

 ♦Insectivorous Plants. 

 Hermann Muller, Fertilisation of Flowers by Insects. 1883. 

 ♦Patrick Geddes, Chapters in Modern Botany. 1893. 

 Kerner, Flowers and their Unbidden Guests. 



Natural History of Plants. 2 vols. 

 Lubbock, British Wild Flowers in Relation to Insects. 1875. 



