TABLE OF CONTENTS

Vol. 18, No. 2, December, 2000

Biogeographic and Phylogenetic Investigations of the Pantropiccal Genus Sargassum (Fucales, Phaeophyceae) with Respect to Gulf of Mexico Species.  By Naomi Phillips and Suzanne Fredericq.........77

Observations on the Macroalgae Inhabiting Deep-Water Hard Bank Communities in Northwestern Gulf of Mexico. By SuzanneFredercq, Naomi Phillips, and Bridgette Gavio.........................................................88

Mercury Concentrations in Spotted Seatrou(Cynoscion nebulosus) from Northwest Florida. By Steven J. Rider and Douglas H. Adams...............................................................................................................97

Onshore-Offshore Trends in the Size-Frequency Distribution of Death Assemblages: Northwestern Gulf of Mexico.  By Geroge M. Staff and Eric N. Powell..................................................................................104

Relative Abundance of Postlarval and Juvenille Penaeid Shrimps in Submerged Aquatic Vegetation and Emergent Marsh Habitats . By Jeffrey C. Howe and Richard K. Wallace................................................130