Public domain photos

The image shows a black and white photo of a sea urchin, with the text "USNM 45759" at the top and a scale on the right side. The background is dark, giving the image a mysterious and captivating feel.

The image shows a black and white photo of a sea urchin, with the text "USNM 45759" at the top and a scale on the right side. The background is dark, giving the image a mysterious and captivating feel.Open in library