TY - SER AU - Pereira,J.J. AU - Lewis Jr,E.J AU - Spallone,R.L. AU - Sword,C. TI - Bifurcation of gill filaments in winter flounder - Pleuronectes americanus Walbaum - from Long Island Sound KW - Gills KW - Contamination N1 - Pereira, J. J.-NOAA, National Marine Fisheries Service, Milford Laboratory, 212 rogers Avenue, Milford, CT 06460, USA ER -