e6o Literaturverzeichnis. 



vered at the Marine Biological Laboratory at Woods Hole in the summer 

 of 1899, 93 — 112. — Id., 1900. Studies, ets. V. On the movements and 

 motor reflexes of the Flagellata and CiHata : Amer. Journ. Physiol., III 

 229 — 260. — Id., 1900a. Studies, etc. VI. On the reactions of Chilo- 

 monas to organic acids: Amer. Journ. Physiol., III 397 — 403. — Id., igoob. 

 Reactions of infusoria to chemicals: a criticism: Amer. Naturalist, XXXIV 

 259 — 265. — Id., 1901. On the significance of the spiral swimming of 

 organism: Amer. Naturahst, XXXV 369 — 378. — Id., 1902. Studies, etc. 

 IX. On the behavior of fixed infusoria (Stentor and Vorticella), with 

 special reference to the modifiability of protozon reactions: Amer. Journ. 

 Physiol., VIII 23^60. — Id., 1902a. Artificial imitations of protoplasmic 

 activities and methods of demonstrating them: Journ. Appl. Micr. and 

 Lab. Methods, V 1597 — 1602. — Id., 1904. Reactions to heat and cold 

 in the ciliate infusoria. Contributions to the study of the behavior of 

 lower organisms: Carnegie Institution of Washington, Publication 16, 

 pp. 5 — 28. — Id., 1904 a. Reactions to light in ciliates and flagellates: 

 ibid., pp. 29 — 71. — Id., 1904b. Reactions to Stimuli in certain Rotifera : 

 ibid., pp. 73 — 88. — Id., 1904c. The theory of tropisms: ibid., pp. 

 89 — 107. — Id., I904d. Physiological states as determining factors in the 

 behavior of lower organisms: ibid., pp. 109 — 127. — Id., i904e. The mo- 

 vements and reactions of Amceba: ibid., pp. 129—234. — Id., I904f. 

 The method of trial and error in the behavior of lower organisms: ibid., 

 pp. 235 — 252. — Id., 1904g. Physical imitations of the activities ofAmoeba: 

 Amer. Naturahst, XXXVIII 625—642. — Id., 1904h. The behavior of 

 Paramecium. Additional features and general relations: Journ. Comp. 

 Neurol. and Psychol., XIV 441 — 510. — Id., 1905. The basis for taxis 

 and certain other terms in the behavior of infusoria: Journ. Comp. Neurol. 

 and Psychol., XV 138 — 143. — Id., 1905 a. Modifiability in behavior. 

 I. Behavior of sea anemones: Journ. Exp. Zool., II 447 — 472. — Id., 

 1905 b. The method of regulation in behavior and in other fields: Journ. 

 Exp. Zool., II 448 — 494. — Id., 1906. Modifiability in behavior II. Factors 

 determining direction and character of movement in the earthworm : Journ. 

 Exper. Zool., III 435 — 455. — Id., 1907. The behavior of the starfish: 

 University of California Publications: Zoology. — Jennings, H. S. and 

 Crosbv, J. H., 1901. The manner in which bacteria react to Stimuli, 

 especially to chemical Stimuli: Amer. Journ. Physiol., VI 31 — 37. — 

 Jennings, H. S. and Jamieson, Clara, 1902. The movements and re- 

 actions of pieces of infusoria: Biol. Bull., Ill 225 — 234. — Jennings, H. S. 

 and Moore, E. M., 1902. On the reactions of infusoria to carbonic and 

 other acids, with especial reference to the causes of the gatherings 

 spontaneously formed: Amer. Journ. Physiol., VI 233 — 250. • — Jensen, P., 

 1893. Ueber den Geotropismus niederer Organismen: Arch. f. d. ges. 

 Physiol., LIII 428 — 480. — Id., 1901. Untersuchungen über Protoplasma- 



