CONTRIBUTIONS

TO THE

STUDY OF THE BEHAVIOR OF LOWER ORGANISMS

BY

HERBERT S. JENNINGS

Published by the Carnegie Institution of Washington, 1904

INDEX

• Coverpage (p. 1)
• Prefatory Note (p. 3)
• First Paper (pp. 5-28)
  Reactions to heat and cold in the ciliate infusoria
• Second Paper (pp. 29-72)
  Reactions to light in ciliates and flagellates
• Third Paper (pp. 73-87)
  Reactions to stimuli in certain rotifera
• Fourth Paper (contents) (pp. 89-107)
  The theory of tropisms
• Fifth Paper (contents) (pp. 109-127)
  Physiological states as determining factors in the behavior of lower organisms
• Sixth Paper (contents) (pp. 129-234)
  The movements and reactions of amoeba
• Seventh Paper (pp. 235-252)
  The method of trial and error in the behavior of lower organisms
• Literature Cited (pp. 253-256)