British Antarctic ("Terra Nova") Expedition, 1910. Pycnogonida.
London: British Museum (Natural History), 1938. Quarto, publisher's printed wrappers. Offprints from the British Antarctic ("Terra Nova") Expedition, 1910. Natural History Reports. Zoology. Volume three, number one and Zoology Volume two, number two (Hirudinea by W.A. Harding). More