1. Munk, H., Uber die Funktionen der Grosshirnrinde, 3te Mitteilung, 28 (Hirschwald, Berlin, 1881).
2. Weiskrantz, L., in Current Problems in Animal Behaviour, edit. by Thorpe, W. H., and Zangwill, O. L. (Cambridge Univ. Press, 1961).
3. Cowey, A., Ph.D. dissertation, Univ. of Cambridge (1961); and Nature (in the press).
4. Sperry, R. W., Handbook of Experimental Psychology, Chap. 7, edit. by Stevens, S. S. (Wiley and Sons, New York, 1951).
5. Held, R., and Bossom, J., J. Comp. Physiol. Psychol., 54, 33 (1961).