Description: [caption id="" align="aligncenter" width="442" caption="Mark and Diane Littler inspecting algae at the Smithsonian Marine Station at Link Port, Florida. Mark is holding the algae specimen, Both are in the water wearing snorkeling gear and wetsuits, 1984, by Jeff Tinsley, Photographic print, Smithsonian Institution Archives, Record Unit 371 Box 4 Folder February 1985, Negative