caption: The image shows an old book with a drawing of various types of shells on it. The paper has text written on it, and the shells are arranged in a neat pattern. The shells are of different sizes and shapes, with some having a smooth, glossy finish and others having a more rounded shape. The colors of the shells range from light brown to dark brown, and some have a glossy sheen. The text on the paper is written in a bold, black font.