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When he desires a meal he opens his great mouth and rushes into the midst of a shoal of medusae; the little things get entangled in thousands among the hairy ends of the whalebone, and when the monster has got a large enough mouthful, he shuts his lower jaw and swallows what his net has caught. The wisdom as well as the necessity of this arrangement is very plain.
Drawn by some strange force, from the unfathomable depths below, eerie shapes sought the surface, blinking glassily at the unfamiliar glare they had exchanged for their native gloom uncouth creatures bedight with tasselled fringes like weed-growths waving around them, fathom-long, medusae with coloured spots like eyes clustering all over their transparent substance, wriggling worm-like forms of such elusive matter that the smallest exposure to the sun melted them, and they were not.
So I go about as much as the weather allows, and gather materials for better times. Several interesting medusae have been already observed; among others, the entire metamorphosis and alternate generation of a new species of my genus tiaropsis. You will be pleased to know that here, as well as at the North, tiaropsis is the medusa of a campanularia. Mr.
The ship's copper was so bright that I could count every tack and seam; the rudder was lighted to its lowest pintle; and medusae, or jelly-fish, drifting past, with slow pulsations, at a depth of ten or twelve feet, looked like submerged moons.
Furnished with these facts, it is not difficult to recognize true beroidal forms in the embryos of sea-urchins and star-fishes, published by Muller in his beautiful plates, and thus to trace the medusoid origin of the echinoderms, as the polypoid origin of the medusae has already been recognized.
From these ovaries a new brood of little embryos is shed in due time. There are other Hydroids giving rise to Medusae buds, from which, however, the Medusae do not separate to begin a new life, but wither on the Hydroid stock, after having come to maturity and dropped their eggs. Such is the Hydractinia polyclina.
Thus I came to know that the beautiful phosphoric light, which I had so often admired before, was caused by animals, for I had no doubt that these were of the same kind as the medusae or jelly-fish which are seen in all parts of the world. On the evening of my fourteenth day, I was awakened out of a nap into which I had fallen by a loud cry, and starting up, I gazed around me.
Below them, in the emerald mirror of the Fjord, it was so clear that they could see the fine white sand lying at the bottom, sprinkled thick with shells and lithe moving creatures of all shapes, while every now and then, there streamed past them, brilliantly tinted specimens of the Medusae, with their long feelers or tendrils, looking like torn skins of crimson and azure floss silk.
But we were bound to walk, so we went on, whilst above our heads waved medusae whose umbrellas of opal or rose-pink, escalloped with a band of blue, sheltered us from the rays of the sun and fiery pelagiae, which, in the darkness, would have strewn our path with phosphorescent light.
Remove fera monstra, tuaeque Saxificos vultus, quaecunque ea, tolle Medusae. OVID, Met. v. 216. Hence with those monstrous features, and, O! spare That Gorgon's look, and petrifying stare.
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