3/8 LIST OF WORKS REFERRED TO IN TEXT. 



■16. Willielm W-imdt, Vorlesungen iiber die Menschen- und 

 Thierseele. Leipzig, 1863. 



(Wilhelm Wundt, Lectures on the Human and Animal Soul, 

 Leipzig, 1863.) 



47. Fritz Batzel, Sein und Werden der organisclien Welt. 

 Eine populare Schopfungsgeschichte. Leipzig, 1869. 



(Fritz Ratzel, Nature and Origin of the Organic World. 

 A Popular History of Creation. Leipzig, 1869.) 



48. Charles Darwin, The Descent of Man, and Selection in 

 Relation to Sex. 2 Vols. London, 1871. 



