This section is from the book "The Home Cyclopedia Of General Information", by Charles Morris. Also available from Amazon: Home Cyclopedia of Necessary Knowledge.
A sponge which forms a frame-work of spicules of silica, which, when the fleshy parts are washed away, looks like the finest spun glass. One species is the handsome Venus flower-basket, another is the Japanese glass rope sponge.
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