Note 629 — Sechstes Kapitel. Vom Mechanismus des Lebens. (continued 2)

H. JENNINGS: „Studies on Reactions to stimuli in unicellular Organisms II. The mechanism of the motor reactions of Paramaecium“. In Americ. Journ. of Physiology, Vol. 2, 1899. — Derselbe: „Studies on reactions etc. III. Reactions to localized stimuli in Spirostomum and Stentor“. In the American Naturalist, Vol. 33, 1899. — Derselbe: „Studies etc. IV. Laws of Chemotaxis in Paramaecium“. In Americ. Journ. of Physiology, Vol. 2, 1899. — Derselbe: „Studies etc. V. On the movements and motor reflexes of the Flagellata and Ciliata“. Ebenda, Vol. 3, 1900. — Derselbe: „Reactions of Infusoria to Chemicals: a criticism“. In American Naturalist, Vol. 34, 1900. — Derselbe: „Behavior of the lower organisms“, New York 1906. — MAX VERWORN: „Psychophysiologische Protistenstudien. Experimentelle Untersuchungen“, Jena 1889.