APPENDIX 451 



PELAGIC : 



E. HAECKEL, " Plankton- Studien. " (Jena, 1890). 



A. STETJER, " Leitfaclen der Planktonkunde " (Leipzig, 1911). 



FRESHWATER : 



FURNEAUX, " Life of Ponds and Streams." 



LAMPERT, "Das Leben der Binnengewasser " (Leipzig, 1899).j 



MIALL, "Aquatic Insects." 



ZACHARIAS, " Die Thier- und Pflanzenwelt des Siisswassers " 



(2 vols. Leipzig, 1891). 

 A valuable series of small monographs on the various classes 



of freshwater animals, edited by A. Brauer (" Die Siisswas- 



serfauna Deutschlands," Jena). 



TERRESTRIAL : 



R. F. SCHARFF, " History of the European Fauna " (Contem- 

 porary Sci. Series, 1899). 

 SIMROTH, " Entstehung der Landthiere " (Leipzig, 1891). 



AERIAL : 



See Birds and Insects. 



EVOLUTION 

 CLASSIC WORKS : 



CHARLES DARWIN, " The Origin of Species by Means of Natural 

 Selection ; or, the Preservation of Favoured Races in the 

 Struggle for Life" (London, 1859). 



- " Variation in Animals and Plants under Domestica- 

 tion" (2 vols. London, 1868). 



" Descent of Man and Selection in Relation to Sex ' 

 (London, 1871). 



ALFRED RUSSEL WALLACE, "Darwinism" (1889). 



" Contributions to the Theory of Natural Selection ' 

 (London, 1871). 



HERBERT SPENCER, "Principles of Biology" (1866; new ed. 

 Vol. I. 1898). 



- " The Factors of Organic Evolution " (London, 1886). 

 ERNST HAECKEL, " Generelle Morphologie " (1866). 



- " Natural History of Creation" (1868 ; 8th ed. 1890 ; 

 translated). 



THOMAS H. HUXLEY, "American Addresses" (London, 1877). 



INTRODUCTORY : 



*E. CLODD, " Story of Creation : a Plain Account of Evolution " 

 (London, 1888). 



*E. G. CONKLIN, " Heredity and Environment in the Develop- 

 ment of Men" (Princeton, 1915). 



