[511] Die Perigenesis der Plastidule, Jena, 1875.

[512] A Theory of Development and Heredity, New York, 1893.

[513] The Primary Factors of Organic Evolution, Chicago, 1896.

[514] Die Mneme als erhaltendes Prinzip im Wechsel des organischen Geschehens, Leipzig, 1904; 2nd ed., 1908.

[515] Heredity and Memory, Cambridge, 1913.

[516] Paris, 1906. Also in Italian and German. Eng. trans. by B. C. H. Harvey, Chicago, 1911.

[517] See Problems of Life and Reproduction, London, 1913.

[518] Presidential Address to the British Association, 1908.