Journal volume
1867. Proceedings of the Scientific Meetings of the Zoological Society of London for the year 1867. Proc. Zool. Soc. London: [i]-xvi, [1]-1097.
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Articles
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Gray, J.E., 1867.
Notes on the Arrangement of Sponges, with the Description of some New Genera: 492-558, pls. XXVII, XXVIII.