188 TEOPISMS 



252 JENNINGS, H. S. : Modifiability in Behavior. II. Factors Determin- 



ing Direction and Character of Movement in the Earthworm. 

 J. Exp. ZooL, 1906, iii, 435-455. 



25 3 JENNINGS, H. S. : Behavior of the Lower Organisms. New York, 



1906, pp. xiv + 366. 



254 JENNINGS, H. S. : The Interpretation of the Behavior of the Lower 



Organisms. Science, 1908, xxvii, 698-710. 



255 JENNINGS, H. S. : Tropisms. Eapport VIme Congr. Internal. Psy- 



chol. Geneve, 1909, pp. 20. 



2550 JENSEN, P. : Ueber den Geotropismus niederer Organismen. Arch. 

 ges. PhysioL, 1893, liii, 428-480. 



256 JORDAN, H. : Rheotropic Responses of Epinephelus striatus Bloch. 



Am. J. PhysioL, 1917, xliii, 438-454. 



257 JORDAN, H. : Integumentary Photosensitivity in a Marine Fish, Epi- 



nephelus striatus Bloch. Am. J. PhysioL, 1917, xliv, 259-274. 



258 JUDAY, C. : The Diurnal Movement of Plancton Crustacea. Trans. 



Wis. Acad. Sc., Arts and Letters, 1904, xiv, 534-568. 



259 KAFKA, G. : Einf iihrung in die Tierpsychologie. I. Die Sinne der 



Wirbellosen. Leipzig, 1914, xii+594. 



260 KANDA, S. : On the Geotropism of Paramcecium and Spirostomum. 



Biol. Bull., 1914, xxvi, 1-24. 



261 KANDA, S. : The Reversibility of the Geotropism of Arenicola Larva3 



by Salts. Am. J. PhysioL, 1914, xxxv, 162-176. 



262 KANDA, S. : Geotropism in Animals. Am. J. PsychoL, 1915, xxvi, 



417-427. 



263 KANDA, S. : Studies on the Geotropism of the Marine Snail, Littorina 



littorea. Biol. Bull., 1916, xxx, 57-84. 



264 KANDA, S. : The Geotropism of Freshwater Snails. Biol. Bull., 1916, 



xxx, 85-97. 



264o KANDA, S. : Further Studies on the Geotropism of Paramcecium 

 caudatum. Biol. Bull., 1918, xxxiv, 108-119. 



265 KELLOGG, V. L. : Some Insect Reflexes. Science, 1903, xviii, 693-696. 

 2 6 KELLOGG, V. L. : Some Silkworm Moth Reflexes. Biol. Bull., 1907, 



xii, 152-154. 



267 KNIEP, H. : Untersuchungen iiber die Chemotaxis von Bakterien. 



Jahrb. wiss. Bot., 1906, xliii, 215-270. 



26 8 KRANICHFELD, H. : Zum Farbensinn der Bienen. Biol. Centr., 1915, 



xxxv, 39-46. 



269 KRECKER, F. H. : Phenomena of Orientation Exhibited by Ephe- 



merida3. Biol. Bull., 1915, xxix, 381-388. 



270 KREIDL, A. : Weitere Beitrage zur Physiologie des Ohrlabyrinthes. 



Sitzngsb. Akad. Wiss. Wien, mathem.-naturw. KL, 1892, ci, 469- 

 480; 1893, cii, 149-174. 



