Word: globularity
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Dates: during 1887-1887
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...commission, delivered a lecture on "Sponges" before the Natural History Society, in which he gave the results of his studies, some of which are as yet unpublished. He differs from many others in his classification, and in regarding sponges as individuals not as colonies. A sponge is essentially a globular sieve with the meshes prolonged into a labyrinth of minute tubes. Contrary to the general belief, sponges breathe by means of their outer layer. The inner layer consists of small cells armed with whips which create a current to draw in the small water animals which form its food. Between...