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In the midst of this inextricable mass of plants and sea weed, I noticed some charming pink halcyons and actiniae, with their long tentacles trailing after them, and medusae, green, red, and blue. All the day of the 22nd of February we passed in the Sargasso Sea, where such fish as are partial to marine plants find abundant nourishment. The next, the ocean had returned to its accustomed aspect.
Sea-urchins, star-fish, sea-eggs, combative gymnoti, polypes, struggle and thrive with ever-renewing change of color; gelatinous worms that shine like stars cling to every weed; glimmering animalcules, phosphorescent medusae, the very deep itself is vivid with sparkle and corruscation of electric fire.
I have now satisfied myself that the madrepores have something analogous to this in the arrangement of their partitions, so that I am tempted to believe that this tendency to a symmetrical arrangement of parts in pairs, is a general character of polyps, disguised by their radiating form. Among the medusae something similar exists in the disposition of the marginal appendages and the ocelli.
Many of the medusae and small gelatinous animals must be endowed with very acute sensibilities and perceptions, for they evinced extreme timidity if any substance approached them, and when plunged alive into spirits, their rapid movements and violent contortions repeatedly indicated acute pain; indeed so clearly that on this point there could be no mistake.
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.
For as the steamer stopped last night to pack her engines, and slipped along under sail at some three knots an hour, we made out clearly that the larger diffused patches of phosphorescence were Medusae, slowly opening and shutting, and rolling over and over now and then, giving out their light, as they rolled, seemingly from the thin limb alone, and not from the crown of their bell.
Farther away, and distributed in clusters, floated on the sea, like constellations in the heavens, innumerable Medusae, a species of small, round, refulgent fish, only to be met with in the South Seas and the Indian Ocean. Suddenly, as we gazed, there shot high into the air a bushy jet of flashes, accompanied by the unmistakable deep breathing sound of a sperm whale.
Maynard, C.J., on the sexes of Chrysemys picta. Meckel, on correlated variation of the muscles of the arm and leg. Medicines, effect produced by, the same in man and in monkeys. Medusae, bright colours of some. Megalithic structures, prevalence of. Megapicus validus, sexual difference of colour in. Megasoma, large size of males of. Meigs, Dr.
For, after all, star-fishes and sea- anemones are dull substitutes for Sirens and Tritons; the lamps of the sea-nymphs, those glorious phosphorescent medusae whose beauty Mr.
I also noticed large medusae floating between the reeds. At nine we landed; the sky was brightening, the clouds were flying to the south, and the fog seemed to be leaving the cold surface of the waters. Captain Nemo went towards the peak, which he doubtless meant to be his observatory.
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