Transactions of the Entomological Society of London, London, The Society, entomology, periodicals, crustacea, The illustration displays a detailed study of various microscopic aquatic organisms, highlighting their anatomical features. Among the depicted specimens are several types of copepods, characterized by their segmented bodies and long antennae. Each organism is labeled with a corresponding number for reference, showcasing a range of morphological details, including appendages and body structures. The arrangement of the specimens is methodical, emphasizing their biological diversity and significance within the aquatic ecosystem. This work reflects the scientific interest in marine life and its complexity.