COLLATERAL READINGS SUGGESTED 



IN CONNECTION WITH ESSAY XII. 



Darwin's Origin of Sj^eciefi ; Haeckel's History of Creation, and 

 Evolution of Man; Spencer's Biologi/ ; P'iske's Cosmic Philotiophy 

 and Excursions of an Evolutionist ; Huxley's Letters on Evolution 

 and Critiques and Addresses ; PkOmanes' Scientific Evidences of 

 Organic Evolution ; Wallace and Dyer's The Distribution of Life; 

 i^chmidV s Doctrine of Descent and Darwinism ; Gazelle's Outline of 

 the Evolution Philosophy; Professor Morse's Presidential Address 

 befoi-e the American Association for the Advancement of Science, 

 1887. 



