This is a vintage scientific illustration depicting various anatomical views of a jellyfish, likely a medusa. The illustration is rendered in a delicate, detailed style, with a focus on the internal structures of the organism. The jellyfish are depicted in a variety of poses and sections, showcasing their radial symmetry and translucent bodies. The jellyfish are primarily rendered in pale yellows, reds, and browns, with some areas appearing transparent to highlight the internal organs. The illustrations showcase the bell-shaped body, tentacles, and internal structures like the digestive system and gonads. The tentacles are thin and flowing, while the bell is depicted in various cross-sections to reveal the internal anatomy. The illustration is arranged in a grid-like pattern, with multiple views of the jellyfish presented side-by-side. There is text and labels in a vintage font, likely providing scientific names or descriptions of the different anatomical features. The background is a pale yellow, and there is a decorative border around the entire illustration. The overall aesthetic is reminiscent of antique scientific textbooks or journals.