Public domain photos

The image shows a page from a book with a drawing of various types of sea urchins on it, along with some text. The page is filled with intricate details of the shells, including their ridges, bumps, and ridges. The shells are of different sizes and shapes, with some having a smooth, glossy finish and others having a more rounded shape. The text on the page is written in a neat, cursive font and is surrounded by a decorative border.

The image shows a page from a book with a drawing of various types of sea urchins on it, along with some text. The page is filled with intricate details of the shells, including their ridges, bumps, and ridges. The shells are of different sizes and shapes, with some having a smooth, glossy finish and others having a more rounded shape. The text on the page is written in a neat, cursive font and is surrounded by a decorative border.Open in library