Histoire naturelle des annelés marins et d'eau douce, Paris, Librairie encyclopédique de Roret, 1865-1890, 59514, Annelida, Worms, The illustration presents a detailed anatomical study of an insect, showcasing various perspectives and features. The top section includes several labeled diagrams that highlight the intricate structures of the insect's head and thorax, with specific emphasis on legs and antennae. The lower part depicts the abdomen, with annotations indicating important anatomical components. Each numbered reference corresponds to distinct anatomical features, providing insight into the complexity of the organism's design. This scholarly representation reflects the meticulous observation typical of entomological studies from the era of its creation, contributing to our understanding of insect morphology.