APPENDIX 441 



E. VON HARTMANN, " Das unbewusste vom Standpunkte der 

 Physiologie und Descendenztheorie ' : (2nd ed. Berlin, 1877). 



*L. T. HOBHOUSE, "Mind in Evolution" (revised ed. 1915). 



F. HOUSSAY, " Les Industries des animaux " (Paris, 1889 ; trans. 



Contemporary Sci. Series, 1893). 



*JENNINGS, " Behaviour of the Lower Organisms " (Columbia 

 University Biol. Series, 1906). 



G. H. LEWES, " Problems of Life and Mind " (1874-1879). 



J. LOEB, " Comparative Physiology of the Brain" (London, 1901). 



- " Tropismen" (In Winterstein'sVergleichende Physiologie). 

 J. LUBBOCK (LORD AVEBURY), " Ants, Bees, and Wasps " (Internat. 



Sci. Series, London, 1883). 

 *W. MACDOUGALL, " Primer of Physiological Psychology." 



"Psychology' (Home University Library). 

 E. MACH, " Contributions to the Analysis of the Sensations " (trans. 



Chicago, 1897). 



W. MITCHELL, " Structure and Growth of the Mind " (1907). 

 C. LLOYD MORGAN, "Animal Behaviour" (1900). 



- "Introduction to Comparative Psychology" (1894). 

 * - " Habit and Instinct " (1897). 



- "Instinct and Experience" (1912). 

 J. J. MURPHY, " Habit and Intelligence." 



G. \V. and E. G. PECKHAM, " Wasps, Social and Solitary." 

 G. J. ROMANES, " Animal Intelligence " (Internat. Sci. Series, 4th 

 ed. 1886). 



- "Mental Evolution of Animals" (1883). 



" Jellyfishes, etc." (Internat. Sci. Series, London, 1885). 

 *E. M. SMITH, " The Investigation of Mind in Animals " (Cambridge, 



1915). 



G. H. SCHNEIDER, " Der thierische Wille " (Leipzig, 1880). 

 K. C. SCHNEIDER, " Vorlesuiigen iiber Tierpsychologie " (Leipzig, 



1909). 



HERBERT SPENCER, "Principles of Psychology" (1855 and 1876). 

 E. L. THORNDIKE, "Animal Intelligence" (New York, 1911). 

 J. VON UEXKULL, " Umwelt und Innenwelt der Tiere " (Berlin, 1912). 

 MAX VERWORN, " Psycho-physiologische Protisten-Studien " (Jena, 



1889). 



*M. F. WASHBURN, " The Animal Mind " (New York, 1909). 

 WASMANN, " Instinkt und Intelligenz im Thierreich " (1897). 

 *J. B. WATSON, " Behaviour, an Introduction to Comparative 



Psychology' (New York, 1914). 

 H. E. ZIEGLER, " Der Begriff des Instinkts " (2nd ed. Jena, 1910). 



GENERAL MORPHOLOGY 



PATRICK GEDDES, article Morphology, " Encyclopaedia Brit." 

 ERNST HAECKEL, " Generelle Morphologic " (Berlin, 1866 ; reprinted 



in condensed form, 1906). 

 *E. S. RUSSELL, " Form and Function " (London, 1916). A book of 



remarkable scholarship and biological insight. 



