LITERATURE 



BODY AND CELL. 



H. W. CONN : The Story of Life's Mechanism. George Newnes, 

 Ltd. London, 1899. 



EXISTING LIFE-FORMS. 



EDWARD CLODD : The Story of Creation. Longmans, Green and 



Co. London, second edition, 1888. 

 J. A. THOMSON : The Study of Animal Life. London, third edition 



1896. 



REPRODUCTION. 



P. GEDDES and J. A. THOMSON : The Evolution of Sex. The 

 Walter Scott Publishing Co., Ltd. London, revised edition, 

 1901. 



DEVELOPMENT. 



E. HAECKEL : The Evolution of Man. Watts and Co. London, 

 1906. 



HISTORY. 



J. A. THOMSON : The Science of Life. London, 1899. 



HEREDITY (GENERAL BOOKS). 



J. A. Thomson: Heredity (with valuable bibliography). John 



Murray. London, 1908. 

 YVES DELAGE : H6redite (not translated). Paris, 1903. 



SPENCER'S THEORY. 

 HERBERT SPENCER : The Principles of Biology. London, 1864. 



DARWIN'S PANGENESIS. 



CHARLES DARWIN : The Variations of Animals and Plants under 

 ' Domestication. London, 1868. 



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