300 BIOLOGY: GENERAL AND MEDICAL 



W. H. CONN: "The Method of Evolution," N. Y., 1900. 



JEAN BAPTISTE PIERRE ANTOINE DE MONET DE LAMARCK: "Ani- 



maux sans vertebres," 1815. "Philosophic Zoologique," 



1809. 

 ERASMUS DARWIN: "The Botanic Garden," 1789. "Zoonomia," 



1794-6. 

 ALFRED RUSSEL WALLACE: "Contributions to the Theory of 



Natural Selection," New York and London, 1870. 

 THOMAS ROBERT MALTHUS: "An Essay on the Principle of 



Population, etc.," London, 1826. 

 T. H. MORGAN: "Evolution and Adaptation," New York, 1903. 



