THE 

 WONDER OF LIFE 



By 



J. ARTHUR THOMSON, M.A., LL.D 



Regius Professor of Natural History in the University of Aberdeen. 



Author of 'The Biology of the Seasons,' 'Darwinism and 



Human Life,' 'Heredity,' 'The Study of Animal 



Life,' 'Introduction to Science,' etc., etc 



LONDON : ANDREW MELROSE, LTD. 



3, YORK STREET, COVENT GARDEN 



