1. Black, A. M. S., and Torrance, R. W., Resp. Physiol., 13, 221–237 (1971).
2. Band, D. M., Cameron, I. R., and Semple, S. J. G., J. Physiol., Lond., 211, 479–494 (1970).
3. Band, D. M., Saunders, K. B., and Wolff, C. B., J. Physiol., Lond., 218, 73–74P (1971).
4. Willshaw, P., Abstr., Satellite Symposium on Arterial Chemoreceptors (Srinagar, Kashmir, 1974).
5. Cunningham, D. J. C., and Drysdale, D. B., ibid.