254 THE BEHAVIOR OF LOWER ORGANISMS. 



JENNINGS, H. S. 



1899. Studies, etc. II. The mechanism of the motor reactions of Parame- 



cium. Amer. Journ. Physiol., Vol. 2, pp. 311-341. 



1899 a. Studies, etc. IV. Laws of chemotaxis in Paramecium. Amer. 



Journ. Physiol., Vol. 2, pp. 355-379. 



1900. Studies, etc. V. On the movements and reactions of the Flagellata 



and Ciliata. Amer. Journ. Physiol., Vol. 3, pp. 229-260. 



1900 a. Reactions of infusoria to chemicals. A criticism. Amer. Natural., 



Vol. 34, pp. 259-265. 



1901. On the significance of the spiral swimming of organisms. Amer. Nat- 



uralist, Vol. 35, pp. 369-378. 



1902. Artificial imitations of protoplasmic activities and methods of demon- 



strating them. Journ. of Appl. Microsc. and Lab. Methods, Vol. 5, 

 pp. 1597-1602. 



1902 a. Studies, etc. IX. On the behavior of fixed infusoria (Stentor and 

 Vorticella), with special reference to the modifiability of protozoan 

 reactions. Amer. Journ. Physiol., Vol. 8, pp. 23-60. 



1903. Rotatoria of America. II. A monograph of the Rattulidce. Bull. U. S. 



Fish Commission for 1902, pp. 273-352. 

 JENNINGS, H. S., and CROSBY, J. H. 



1901. Studies, etc. VII. The manner in which bacteria react to stimuli, 



especially to chemical stimuli. Amer. Journ. Physiol., Vol. 6, pp. 



3 J -37- 



JENNINGS, H. S., and JAMIESON, CLARA. 



1902. Studies, etc. X. The movements and reactions of pieces of ciliate 



infusoria. Biol. Bull., Vol. 3, pp. 225-334. 

 JENSEN, P. 



1896. Ueber individuelle physiologische Unterschiede zwischen Zellen der 



gleichen Art. Arch. f. d. ges. Physiol., Bd. 62, pp. 172-200. 



1900. Ueber den Aggregatzustand des Muskels und der lebendigen Substanz 



iiberhaupt. Arch. f. d. ges. Physiol., Bd. 80, pp. 176-228. 



1901. Untersuchungen fiber Protoplasmamechanik. Arch. f. d. ges. Physiol., 



Bd. 87, pp. 361-417- 



1902. Die Protoplasmabewegung. Asher & Spiro's Ergebnisse der Physiol., 



erster Jahrgang. 42pp. 

 KUHNE, W. 



1864. Untersuchungen iiber das Protoplasma und die Contractilitat. 158 



pp., 8 pi. Leipzig. 

 LE DANTRC, F. 



1894. Etudes biologiques comparatives sur les Rhizopodes lobe's et reticule's 



d'eau douce. Bull, scient. de la France et de la Belgique. T. 26, pp. 

 56-99- 



1895. Sur 1'adhe'rence des Amibesaux corps solides. C. R. Acad. Sci., Paris. 



T. 120, pp. 210-213. 

 LEIDY, J. 



1879. Freshwater Rhizopods of North America. Report of the U. S. Geol. 

 Survey of the Territories. Vol. 12, 324 pp., 48 pi. 



LOEB, J. 



1893. Ueber kiinstlicheUmwandlung positiv heliotropischer Thiere in nega- 

 tiv und umgekehrt. Arch. f. d. ges. Physiol., Bd. 54, pp. 81-107. 



1897. Zur Theorie der physiologischen Licht- und Schwerkraftwirkungen. 



Arch. f. d. ges. Physiol., Bd. 66, pp. 439-466. 

 1900. Comparative physiology of the brain and comparative psychology. 



309 pp. New York. 

 . 



1903. Reactions to temperature changes in Spirillum, Hydra, and fresh-water 



Planarians. Amer. Journ. Physiol., Vol. 10, pp. 165-190. 

 MENDKLSSOHN, MAURICE. 



1902 a. Recherches sur la thermotaxie des organismes unicellulaires. Journ. 

 de Physiol. et de Path, gen., T. 4, pp. 393-410. 



1902 b. Recherches sur I'interfe'rence de la thermotaxie avec d'autres tac- 

 tismes et sur le mecanisme du mouvement thermotactique. Ibid.* pp. 

 475-488. 



1902 c. Quelques considerations sur la nature et la role biologique de la ther- 

 motaxie. Ibid., pp. 489-496. 



