LITERATURE 453 
Morgan, C. Lloyd. 1896. Habit and Instinct. 351 pp. London and New 
York. “E. Arnold. 
Osborn, H. F. 1896. Ontogenic and Phylogenic Variation. Science, vol. 
4 (n. s.), pp. 786-789. 
Bailey, L. H. 1896, 1897. The Survival of the Unlike. 515 pp. New 
York and London. The Macmillan Co. 
Baldwin, J. M. 1897. Organic Selection. Science, vol. 5 (n. s.), pp. 
634-636. 
De Vries, H. 1001-3. Die Mutationstheorie. 14+ 752 pp., 12 pls., 159 
figs. Leipzig. Veit & Co.* 
Baldwin, J. M. 1902. Development and Evolution. 16+ 395 pp. New 
York and London. The Macmillan Co. 
Weismann, A. 1902. Vortrage iiber Descendenztheorie. Bd. 1, 12+ 456 
Dp. 95 figs; bd: 2,6 462 pp., 36 figs., 3 taf. Jena. ’G. Fischer 
Morgan, T. H. 1903. Evolution and Adaptation. 13-+470 pp., 5 figs. 
New York and London. The Macmillan Co. , 
Vernon, H. M. 1903. Variation in Animals and Plants. 9-+ 415 pp. 
New York. Henry Holt & Co. 
Kellogg, V. L., and Bell, R. G. 1904. Studies of Variation in Insects. 
Proc. Wash. Acad. Sc., vol. 6, pp. 203-332, figs. 1-81. 
Metcalf, M. M. 1904. An Outline of the Theory of. Organic Evolution. 
22+ 204 pp., tor pls. 46 figs.) New York and London. The 
Macmillan Co.* 
Weismann, A. 1904. The Evolution Theory. Trans. by J. A. Thomson 
and M. R. Thomson. 2 vols. 16-+ 821 pp., 131 figs. London. E. 
Arnold. 
De Vries, H. 1905. Species and Varieties: their Origin by Mutation. 
Ed. by D. T. MacDougal. 18+ 847 pp. Chicago. Open Court 
Rubs Co. 
Gulick, J. T. 1905. Evolution, Racial and Habitudinal. 12-4 269 pp. 
Carnegie Inst. Washington. 
Reid, G. A. 1906. The Principles of Heredity. Ed. 2. 13-379 pp. 
London. Chapman & Hall, Ltd. 
INSEGES IN. RELATION TO PLANTS 
Darwin, C. 1877. The Effects of Cross and Self Fertilisation in the Vege- 
table Kingdom. 8+ 482 pp. New York. D. Appleton & Co. 
Lubbock, J. 1882. On British Wild Flowers considered in Relation to 
Insects. Ed. 4. 16-4186 pp., 130 figs. London. Macmillan & 
Cc: 
Miiller, H. 1883. The Fertilisation of Flowers. 12-4 669 pp., 186 figs. 
London. Macmillan & Co. 
Darwin, C. 1884. The Various Contrivances by which Orchids are fer- 
tilised by Insects. Ed. 2. 16-+ 300 pp., 38 figs. New York. D. 
Appleton & Co. 
Darwin, C. 1884. Insectivorous Plants. 1o-+ 462 pp. 30 figs. New 
York. D. Appleton & Co. 
