1. Shimumura, O., Johnson, F. H., and Saiga, Y., J. Cell Comp. Physiol., 59, 221 (1962).
2. Shimumura, O., Johnson, F. H., and Saiga, Y., J. Cell Comp. Physiol., 62, 1 (1963).
3. Shimumura, O., and Johnson, F. H., Bioluminescence in Progress (edit. by Johnson, F. H., and Haneda, Y.), 495 (1966).
4. Morin, J. G., thesis, Harvard Univ. (1969).
5. Ashly, C. C., and Ridgway, E. B., Nature, 219, 1168 (1968).