1. Charm, S., and Kurland, G., Amer. J. Physiol., 203 (1962).
2. Charm, S., Kurland, G., and McComis, W., J. App. Physiol., 19, No. 1 (1964).
3. Casson, N., Rheology of Disperse Suspensions, (Pergamon Press, New York, 1959).
4. Merrill, E., Cocklet, G., Britten, A., Wells, jun., R., Bibl. Anat., 4 (1964).