From ""Seaside Studies in Natural History" by Elizabeth C. Agassiz and
Alexander Agassiz. A sea urchin shell showing the structure.
Image ID: expl3124, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Location: Massachusetts coast
Photo Date: 1865
Credit: Collection of Captain Albert E. Theberge, NOAA Corps (ret.)
Category: Historic Exploration/
• High Resolution Photo Available