672 BIBLIOGRAPHY 



Thomson, J. Arthur. Some Secrets of Animal Life. London, 1919, 

 pp. 324. 



[A useful introduction of an informal kind to the problems 

 of modern biology.] 



Thomson, J. J. The Atomic Theory. The Romanes Lecture, 1914. 

 Oxford, 1914, pp. 39. 



[" We know that there are such things as atoms, ... we 

 know, too, the number of electrons in an atom."] 



Thorndike, Edward L. Animal Intelligence. Experimental Studies. 

 New York, 1911, pp. 297. 



Tower, W. L. Evolution in Chrysomelid Beetles of the genus Lep- 

 tinotarsa. Carnegie Institution, Washington, 1906, pp 320. 



Tower, W. L. The Mechanism of Evolution in Leptinotarsa. Car- 

 negie Institution, Washington, 1918, pp 340, 19 pis 



Trotter, W. Instincts of the Herd in Peace and War. London, 1916, 

 pp 213. 



[A book that every one must reckon with.] 



Tschulok, S. Zur Methodologie und Geschichte der Descendenz- 

 theorie Biologisches Centralblatt, 1908, XXVIII, pp 79. 



Tyndall, John. Fragments of Science. London, 1871. 



Uexkiill, J. von. Umwelt und fnnenwelt der Tiere. Berlin, 1909 



Uexkiill, J. von, Bausteine zu einer biologischen Weltanschauung. 

 Miinchen, 1913, pp 298 See also Biologisches Centralllatt, XX, 1900; 

 and Ergebnisse der Physiologic, I, 1902. 



Varigny, Henri de. Experimental Evolution. London, 1892, pp 271. 



Vernon, H. M. Variation in Animals and Plants Internat. Sci. 

 Series. London, 1903 



Verworn, Max. General Physiology, an Outline of the Science of 

 Life. Trans by F. S Lee. London, 1899, pp. xvi + 615, 285 figs 



Verworn, Max. Prinzipienfragen in der Naturwissenschaft. Jena, 

 1905, pp. 28 



Vries, H. de. Species and Varieties, their Origin by Mutation. Lon- 

 don. 1905, pp. 847. 



Vries, H. de. The Mutation Theory. 2 vols. London, 1910 and 1911. 



Wallace, Alfred Russel. Contributions to the Theory of Natural 

 Selection. London, 1871. 



Wallace, Alfred Russel. Darwinism London, 1889, pp 494 



Ward, James. Naturalism and Agnosticism. Gifford Lectures de- 

 livered in the University of Aberdeen. 2 vols. London, 1899, pp. 302 

 and 291. 



Ward, James. The Realm of Ends; or, Pluralism and Theism. 2nd 

 ed Cambridge, 1912, pp 504 



Ward, James. Heredity and Memory. Cambridge University Press, 

 1913, pp. 56. 



Ward, James. Personality the Final Aim of Social Eugenics. Hib- 

 bert Journal, 1917, XV, p. 529. 



Warren, Howard C. A Study of Purpose. Journ Philosophy, Psy- 

 chology, and Scientific Methods, 1916, XII, pp 1-26, 29-49, 57-72. 



Washburn, Margaret P. The Animal Mind A textbook of Com- 

 parative Psychology. New York, 1909, pp. x + 333, 18 figs. 



Watson, J. B. Behaviour, an Introduction to Comparative Psychol- 

 ogy New York, 1914, pp 439 



Watson, J. B., and Lashley, K. S. Homing of Terns. Papers from 

 the Department of Marine Zoology. Carnegie Institution, Washington, 

 VII, 1915, pp. 1-104, 7 pis., 9 figs. 



