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Sometimes a shaft of sunlight shoots into the water, making it glow with color. Fungi in fantastic shapes are plentiful. Growing from the side of a stump, the stem of the fawn-colored pluteus bends upwards to the light. Golden clavarias cover fallen trunks with coral masses and creamy ones are so delicately fragile that you almost fear to touch them lest you mar their beauty.

A plant may throw off bulbs, but these, sooner or later, give rise to seeds or spores, which develop into the original form. A polype may give rise to Medusae, or a pluteus to an Echinoderm, but the Medusa and the Echinoderm give rise to eggs which produce polypes or glutei, and they are therefore only stages in the cycle of life of the species.

If a Bipinnaria, a Brachialaria, a Pluteus, is competent to produce the Echinoderm, which is so widely different from it; if a hydroid polype can produce the higher Medusa; if the vermiform Trematode 'nurse' can develop within itself the very unlike Cercaria, it will not appear impossible that the egg, or ciliated embryo, of a sponge, for once, under special conditions, might become a hydroid polype, or the embryo of a Medusa, an Echinoderm."

And she too is Sicilian, and on the shores by Aetna she was wont to play, and she knew the Dorian strain. Not unrewarded will the singing be; and as once to Orpheus's sweet minstrelsy she gave Eurydice to return with him, even so will she send thee too, Bion, to the hills. But if I, even I, and my piping had aught availed, before Pluteus I too would have sung.

Driesch had given an experimental basis for this theory at an earlier stage, in his experiments on the initial stages of the development of sea-urchins, starfishes, zoophytes, and the like. A Planarian worm cut into pieces developed a new worm of smaller size from each part. A mutilated Pluteus larva developed a new food-canal, and restored the whole typical form.

But ah, if I might have gone down like Orpheus to Tartarus, or as once Odysseus, or Alcides of yore, I too would speedily have come to the house of Pluteus, that thee perchance I might behold, and if thou singest to Pluteus, that I might hear what is thy song. Nay, sing to the Maiden some strain of Sicily, sing some sweet pastoral lay.

If a Bipinnaria, a Brachiolaria, a Pluteus, is competent to produce the Echinoderm, which is so widely different from it; if a hydroid polype can produce the higher Medusa; if the vermiform Trematode 'nurse' can develop within itself the very unlike Cercaria, it will not appear impossible that the egg, or ciliated embryo, of a sponge, for once, under special conditions, might become a hydroid polype, or the embryo of a Medusa, an Echinoderm."

If a 'Bipinnaria', a 'Brachialaria', a 'Pluteus', is competent to produce the Echinoderm, which is so widely different from it; if a hydroid polype can produce the higher Medusa; if the vermiform Trematode 'nurse' can develop within itself the very unlike 'Cercaria', it will not appear impossible that the egg, or ciliated embryo, of a sponge, for once, under special conditions, might become a hydroid polype, or the embryo of a Medusa, an Echinoderm."

If a 'Bipinnaria', a 'Brachialaria', a 'Pluteus', is competent to produce the Echinoderm, which is so widely different from it; if a hydroid polype can produce the higher Medusa; if the vermiform Trematode 'nurse' can develop within itself the very unlike 'Cercaria', it will not appear impossible that the egg, or ciliated embryo, of a sponge, for once, under special conditions, might become a hydroid polype, or the embryo of a Medusa, an Echinoderm."