Minchin, E.A., 1898. Materials for a Monograph of the Ascons. I. On the Origin and Growth of the Triradiate and Quadriradiate Spicules in the Family Clathrinidæ. Quart. J. Microsc. Sci. (N.S.) 40 (4), No. 160, Jan 1898: 469-587, pls. 38-42. ≡
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Minchin, E.A., 1908. Materials for a Monograph of the Ascons. II. The Formation of Spicules in the Genus Leucosolenia, with some Notes on the Histology of the Sponges. Quart. J. Microsc. Sci. (N.S.) 52 (3), No. 207, Jun 1908: 301-355. ≡
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