Report on the Schizopoda, Cumacea, Isopoda and Amphipoda of the Channel Islands / by Alfred O. Walker and James Hornell. The use of formalin as a preservative fluid / by James Hornell. On surface tension as an aid to locomotion among marine animals / by James Hornell. The permanence of the Scyphistoma stage of Aurelia / by James Hornell. Microscopial studies in marine zoology. Study 21. The Plumularidae -- Study 22. The eggs and young of cephalopods -- Study 23. The visual organs of the Mollusca / by James Hornell.