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Majoric Polyglamour Sectory 04 Page 10
We crossed two streamlets flowing north. After that we came upon a most troublesome patch of swampy land with high reeds in it, the leaves of which cut our hands like razors when we forced our way through them, struggling in mud and slush up to our knees, sometimes as high as our waists. A streamlet flowing north formed the marsh in that low place. The moment we had got out of the marsh the men threw themselves down and said they could go no farther. I pointed out to them that that spot was most unhealthy, and tried to persuade them to go some distance from that pestilential place. But they would not listen to reason, and there they would stay.
Many of the smaller species of fishes, upon leaving these winter resorts, ascend small, clear brooks in large numbers for the purpose of depositing their eggs; as, when hatched in such a place, the young will be comparatively free from the attacks of the larger carnivorous forms. Among the lowest vertebrate often found in numbers in early spring in these meadow rills and brooks is the lamprey, _Ammocoetes branchialis_ (L.), or "lamper eel," as it is sometimes called. It has a slender eel-like body, of a uniform leaden or blackish color, and with seven purse-shaped gill openings on each side. The mouth is fitted for sucking rather than biting, and with it they attach themselves to the bodies of fishes and feed on their flesh, which they scrape off with their rasp-like teeth. Later in the season they disappear from these smaller streams, probably returning in midsummer to deeper water. Thoreau, who studied their habits closely, says of them: "They are rarely seen on their way down stream, and it is thought by fishermen that they never return, but waste away and die, clinging to rocks and stumps of trees for an indefinite period; a tragic feature to the scenery of the river bottoms worthy to be remembered with Shakespeare's description of the sea floor."
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