Word: labyrinth
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Dates: during 1880-1889
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...Natural History Society, in which he gave the results of his studies, some of which are as yet unpublished.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 these two is another layer, which secretes...
...that he cannot hope to accomplish them all, but must pick and choose, and be content with the accomplishment of the most important of them. This is apropos of the choice of electives. The same principle is at work in both cases. We find ourselves placed before a distracting labyrinth of knowledge, and the command given us, "Choose!" Some of us want to take so many different courses that we cannot easily condense our desires. Others, without any particular wish for any knowledge, fail to see which courses out of the multitude they ought to select. What is there...