1. Anderson, J. W., Neff, J. M., Cox, B. A., Tatem, H. E., and Hightower, G. M.: 1974, Mar. Biol. 27, 75.
2. Atema, J. and Stein, L. S.: 1974, Environ. Pollut. 6, 77.
3. Atema, J., Jacobson, S., Todd, J., and Boylan, D.: 1973, In G. Glass (ed.), Bioassay Techniques and Environmental Chemistry, Ann Arbor Science Publishers, Inc., Ann Arbor, p. 177.
4. Barber, S. B.: 1961, In T. H. Waterman (ed.), The Physiology of Crustacea, Vol. 11, Academic Press, New York, p. 109.
5. Barrett, B.: 1966, Ph. D. Thesis, University of New Hampshire, N.H., U.S.A.