1. BARNETT, S. A. A Study in behaviour. London: Methuen, 1963.
2. BOOTH, D. A. Effect of intrahypothalamic glucose injection on eating and drinking elicited by insulin. J. comp. physiol. Psychol., 1968, 65, 13–16.
3. BOOTH, D. A., & PITT, M. E. Role of glucose in insulin-induced feeding and drinking. Physiol. Behav., in press.
4. GRAUL, C. Über eine fördende Wirkung des Insulins auf die bedingt-reflektorische Tatigkeit. Acta biol. med. german., 1966, 17, 416–431.
5. van ITALLIE, T. B., BEAUDOIN, R., & MAYER, J. Arteriovenous glucose differences, metabolic hypoglycemia and food intake in man. J. clin. Nutrit., 1953, 1, 208–217.