Encyclopaedia Britannica, 11th Edition, "Echinoderma" to "Edward, prince of Wales" Volume 8, Slice 10

"Encyclopaedia Britannica, 11th Edition, 'Echinoderma' to 'Edward, prince of Wales'" is a science reference book released around the turn of the century. This section of the encyclopaedia deals with many topics, one main area being ocean life, with a special focus on Echinoderms. The writing gives in-depth explanations of the different kinds and body parts of these creatures that live in the sea, and touches on the history of how they changed over time. It starts by explaining what Echinoderms are, also called "urchin-skinned" animals, and why they are important for scientists to study because of their unusual shells made of lime. It mentions famous scientists from the past who helped figure out what Echinoderms were and how they were related to each other.