SEARCH

SEARCH BY CITATION

REFERENCES CITED

  • Birch, H. G. 1945 The relation of previous experience to insightful problem-solving. J. Comp. Psychol., Vol. 38:36783.
  • Britton, S. W. 1955 Report to Federation of American Societies for Experimental Biology, San Francisco, as recorded in press release April 14.
  • Crawford, N. P. 1938 A behavior rating scale for young chimpanzees. J. Comp. Psychol., Vol. 26:7991.
  • Cummins, H. and S. D. S. Spragg 1938 Dermatoglyphics in the chimpanzee: description and comparison with man. Human Biology, Vol. 10:457510.
  • Fisher, R. A., E. B. Ford and J. Huxley 1939 Taste-testing the anthropoid apes. Nature, Vol. 144:75051.
  • Hebb, D. O. 1946 Emotion in man and animal: an analysis of the intuitive processes of recognition. Psychol. Rev., Vol. 53:88106.
  • Hebb, D. O. 1953 Heredity and environment in mammalian behavior. Brit. Jour, of Animal Behavior, Vol. I:4347.
  • Schwarz, E. 1934 On the local races of the chimpanzee. Am. Nat. Hist., Vol. 13:57683.
  • Yerkes, R. M. 1943 Chimpanzees: a laboratory colony. Yale University Press, New Haven.