SPONGES. 
Tuba plicifera. ‘‘ Bouquet Sponge.” 
Pachychalina rubens. ‘‘Silk Sponge.” Color, when living, red. 
Hircinia purpurea. ‘Wire Sponge.” 
4. Spongia tubulifera. ‘‘Finger Sponge.” A peculiar variety of the 
“Glove Sponge.” 
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