1. Rounsefell, G. A., and Nelson, W. R., US Fish Wildlife Serv. Spec. Sci. Rep. Fisheries, No. 535 (1966).
2. McFarren, E. F., Tanake, F., Silva, F. J., Wilson, W. B., Campbell, J. E., Lewis, K. H., Toxicon, 3, 111 (1965).
3. Cummins, J. M., Stevens, A. A., Huntley, B. E., Hill, W. F., and Higgins, J. E., in Drugs from the Sea (edit. by Freudenthal, H. D.) (Marine Technology Soc., Washington, 1968).
4. Starr, T. J., Texas Rep. Biol. and Med., 16, 500 (1958).
5. Sasner, jun., J. J., dissertation, Univ. California, Los Angeles (1965).