BIBLIOGRAPHY 



1) Romanes : Mental Evolution in Animals ; New York, 

 1898. 



2) Burton : First Footsteps in East Africa ; London, 

 1856. 



3) Lubbock : Origin of Civilisation ; New York, 1898. 



4) Demoor : Evolution by Atrophy ; New York, 1899. 



5) Darwin : Expression of Emotions in Men and Animals ; 

 New York, 1899. 



6) Starr : Human Progress ; Meadville, Pennsylvania, 



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7) Hartmann : Anthropoid Apes ; New York, 1901. 



8) Brehm : From North Pole to Equator ; London, 1896. 



9) Stanley: In Darkest Africa, vol i. ; New York, 1890. 



(10) Romanes: Animal Intelligence ; New York, 1899. 



(11) Evans: Evolutional Ethics and Animal Psychology; 



New York, 1898. 



(12) Jesse : Gleanings in Natural History, vol. i. ; London, 



1832. 



(13) Peckham and Peckham : Instincts and Habits of the 



Solitary Wasps ; Madison, Wisconsin, 1898. 



(14) Cornish: Animals of To-day ; London, 1898. 



(15) Darwin : Descent of Man ; London, 1874. 



(16) Huxley : On the Origin of Species, lecture iii. 



(17) Thompson : Wild Animals I have Known ; New York, 



1900. 



(18) Brehm: Thierleben ; Leipzig, 1880. 



(19) Gilbraith : Ethnological Journal^ 1869, p. 304. 



(20) Kropotkin : Mutual Aid a Factor of Evolution ; New 



York, 1902. 



(21) Morgan : Animal Behaviour ; London, 1900. 



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