This is a chromolithograph illustration of various coral species found in the Great Barrier Reef. The image is a scientific illustration, likely from a natural history publication. It features 17 different coral specimens, each labeled with a number. The corals are depicted in a variety of shapes, sizes, and colors, including shades of green, purple, red, yellow, and brown. Some corals are branching, while others are more rounded or fan-shaped. The illustration is detailed and precise, showcasing the textures and structures of the coral polyps. The background is a pale yellow, providing a neutral backdrop for the colorful coral specimens. At the top of the image, the text 'CHROMO IX' is visible, likely indicating the plate number in a series. At the bottom, the text 'GREAT BARRIER REEF CORALS.' is displayed, along with the publisher's information 'W. Saville-Kent, del et prox. nat.' and 'Riddle & Couchman, Imp. London, S.E.'