| ( From page 236 A) Spongin fibers forming a reticulation; Fibers may be cored with foreign spicules or sand grains. No color changes on drying. | |||||||||
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| ( From page 236 A) Spongin fibers forming a reticulation; Fibers may be cored with foreign spicules or sand grains. No color changes on drying. | |||||||||
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