Fish, alive and kicking, may now be received at any distance from the waters in which they are captured. In other words, the salmon of the Columbia, the trout of Maine, the bass of Florida may be shipped to any part of the United States with as great facility as a bale of hay or crate of oranges. And when the fish reach their destination they are as lively as if they were in their native element, although they have not seen the water since they were taken from the sea or river. The possibility of doing this we owe to the Germans, and in a recent issue of "Der Tag" (Berlin) Hans Dominik tells us how it may be done. Mr. Dom-inik says:

"A short time ago I went to the laboratory of Dr. Eugene Erlwein, and this gentleman showed me a large glass case which was fitted with shelves like a book-case; on the shelves I saw a large number of fish of every variety. There were fat carp and pike, trout and bass, and other watery denizens, and they were all well and happy - they moved their gills and fins exactly as though they were in the water, although they had not felt this element for thirty hours. The manner in which this was accomplished was soon explained to me."

Mr. Domirnik says that the floor of the case was covered with a thick layer of damp cloth; this kept the air in the receptacle moist, and the gills of the fish in consequence never became dry. But further investigation showed that the air in the box was not air at all, but pure oxygen; beside the case there was a large steel cylinder filled with oxygen. A tube led from the cylinder to the base of a jar filled with water, and another tube led from the neck of the jar into the box containing the fish. Says the writer:

"As I watched the apparatus I saw the oxygen bubble through the water of the jar and then, after being saturated with moisture, pass into the case. But the oxygen in the case was not stagnant; there was a pipe at one end which allowed the excess oxygen to escape. It was now clear to me how the fish could be kept alive and happy without water - the oxygen passed through their wet gills and into their blood in exactly the same way as if they were in water, while the carbonic acid gas from their lungs was carried off with the excess oxygen.

The afternoon of my visit the fish were taken from the case and put in the water. For this purpose the the oxygen was cut off, the top of the case unscrewed, and the fish thrown into tubs filled with water. It was at once apparent that the treatment had in no wise injured the creatures. The tench immediately became lively and animated; the thick Polish carp at first seemed a little dazed by the pure oxygen, but after a few minutes was thoroughly awake; the pike were the slowest to react. After a period of ten minutes the pike were still sluggish; the oxygen tube was therefore pushed under the water and into the fishes' mouths, and when the gas began to bubble through their gills the creatures were at once restored."

Mr. Dominik says that in these experiments the case contained three hundred weight of fish, while the case itself only weighed one hundred weight - thus there was only one-fourth dead weight. Dr. Erlwein has, however, carried his experiments further along this line, and he has now patented a special fish-car for use on railroads; in this car the above principle is used, but with slight modifications. Thus the fish are placed in a little water in the car, and the water is kept in constant circulation by means of small pumps. As it circulates the water passes through an apparatus which extracts the carbonic acid and injects the fluid pure oxygen. The fish in this way may be kept alive indefinitely.-" Literary Digest."