B. C. Arnold

• A hitherto unrecorded mite gall on Carmichaelia violacea Kirk
• Histogenesis in roots of Nothofagus Solandri var. Cliffortioides (Hook. f.) Poole
• Origin and structure of mite-induced witches' brooms of Plagianthus betulinus A. Conn
• Structure and growth of mite-induced galls of Hoheria sexstylosa Col
• Structure of a midge gall on Rubus cissoides A. Cunn