1. Fox, H. M., Proc. Camb. phil. Soc. biol. Sci., 1, 71–74 (1924).
2. Gemmill, J. F., Phil. Trans. R. Soc., B 205, 213–294 (1914).
3. Owens, D., Fiji Agric. J., 33, 1–15 (1971).
4. Endean, R., in Biology and Geology of Coral Reefs, II, (edit. by Jones, O. A., and Endean, R.), (Academic, New York and London, 1974).
5. Gemmill, J. F., Q. Jl microsc. Sci., 64, 155–189 (1920).