BIBLIOGRAPHY 253 



*LocK, R. H. "Recent Progress in the Study of Variation, 

 Heredity, and Evolution." 1908. [A useful introduction 

 to recent researches.] 



LOTSY, J. P. " Vorlesungen iiber Descendenztheorie." 2 vols. 

 1907 and 1909. [A scholarly text-book of evolution.] 



*MARSHALL, A. MILNES. "Lectures on the Darwinian 

 Theory." 1894. [An admirably clear and vigorous 

 presentation of Darwinism and of the evidences of evo- 

 lution.] See also "Biological Lectures and Addresses." 

 1894. 



MARSHALL, F. H. A. "The Physiology of Reproduction." 

 1910. [A masterly work with many bearings on evolution 

 problems.] 



MERZ, J. T. "History of Scientific Thought in the Nine- 

 teenth Century." 2nd vol., 1904. [The finest exposition 

 of the import and development of "the genetic view of 

 Nature." A work of magistral scholarship and deep 

 insight.] 



*METCALF. "Outline of the Theory of Organic Evolution." 

 1904. [A useful introduction.] 



**MORGAN, C. LLOYD. "Habit and Instinct." 1896. [The 

 most important book on instinct.] See also "Animal 

 Life and Intelligence" (1890); revised edition, entitled 

 "Animal Behaviour." 1900. 



MORGAN, T. H "Evolution and Adaptation." 1903. [An 



important critical essay.] 

 ** "Experimental Zoology." 1907. [An indispensable 



account of recent experimental researches bearing on 



evolution. ^ A worthy supplement to Semper 's great 



work, "Animal Life."] 



NAGELI, C. VON. " Mechanisch-physiologische Theorie der 

 Abstammungslehre." 1884. [The most effective pres- 

 entation as yet given of the theory of organismal vari- 

 ation in definite directions.] 



OSBORN, H. F. "From the Greeks to Darwin." 1895. [A 

 vivid historical sketch.] 



PACKARD, A. S. "Lamarck, his Life and Work." 1901. [A 

 scholarly account of Lamarck's theory of evolution.] 



**PEARSON, KARL. "The Grammar of Science." 2nd 

 Edition, 1900. [The biological part includes an invalu- 

 able discussion of evolution problems from the biometri- 

 cian's point of view.] 



PERRIER, E. "Philosophie zoologique avant Darwin." 1884. 

 [A scholarly account of pre-Darwinian evolutionists and 

 generalizes.] 



*PLATE, L. " Selektionsprinzip und Probleme der Artbildung. 

 Ein Handbuch des Darwinismus." 3rd Edition, 1908. 



