Page:Natural History, Fishes.djvu/253

Rh caught in the streams of the Alps in a very original manner. The implements are a heavy knife or bill, and a lantern of curious construction. It consists of a hollow globe of horn, to which is affixed a steel tube three feet long, and an inch and a half in diameter. The junction of the tube and the globe being hermetically sealed,

the oiled wick within the latter, after having been lighted, receives air only from the top of the tube. The mountaineer, thus furnished, wades into the torrents that brawl through the valleys, by night, until the water reaches his middle. With his left hand he plunges the globe of the lantern towards the bottom to nearly the full length of