1. Save the Bay; 434 Smith St. Providence RI 02908
2. Boston Univ. Marine Program; Marine Biological Laboratory; Woods Hole MA 02543
3. Woods Hole Oceanographic Inst.; Woods Hole MA 02543
4. Dauphin Island Sea Lab; P.O. Box 369-370 Dauphin Island AL 36528
5. USEPA; National Health and Environmental Effects Laboratory, Atlantic Ecology Division; 27 Tarzwell Drive Narragansett RI 02882
6. Univ. de São Paulo, Inst. Oceanográfico, Cidade Univ.; Butantã SP Brazil