Caption:
Proceedings of the Zoological Society of London, London, Academic Press Periodicals, Zoology, The illustration showcases a series of detailed anatomical drawings of Howesia browni, a species of bryozoan. Each labeled figure highlights distinct morphological features, including the structure of its zooids and skeletal elements. The caption annotations identify various parts, such as the polyp chamber, the avicularium, and the dimensions of different morphological adaptations. The arrangement emphasizes the diversity and complexity of this aquatic organism's anatomy, providing insight into its classification and biological function within its ecosystem.