Histoire naturelle, générale et particulière des céphalopodes acétabulifères vivants, et fossiles, Paris, Impr. de A. Lacour, 1835-1848. cephalopoda, fossil, This illustration features two distinct octopus species, meticulously rendered to showcase their unique anatomical features. The upper octopus is depicted in a detailed view, highlighting its textured skin and intricate patterns across its body, with its tentacles artistically splayed out. Below, a second octopus displays its elongated and graceful arms, with attention drawn to the suckers along its tentacles, emphasizing the adaptability and fluid movement characteristic of these marine creatures. Accompanying the main illustrations are smaller, labeled diagrams that identify key anatomical structures, providing a fascinating glimpse into the biology of octopuses.