. The animal creation: a popular introduction to zoology. Zoology. 334 ABDOMINAL SOFT-FINNED FISHES. Senegal as well as tlie Nile, is eighteen or twenty inches in length. The Arabs call it raasch, which signifies thunder. The Salmons {Sahnonidse) are distinguished by a scaly body, and a first dorsal fin with soft rays, fol- lowed by a second which is small and adipose; that is, formed by a fold of the skin filled with fat, and without rays. The Common Salmon ^Sahno Salar) is the largest species of the family. It is found in great numbers in the Arctic Seas, whence it ascends rivers in lar^e sh


. The animal creation: a popular introduction to zoology. Zoology. 334 ABDOMINAL SOFT-FINNED FISHES. Senegal as well as tlie Nile, is eighteen or twenty inches in length. The Arabs call it raasch, which signifies thunder. The Salmons {Sahnonidse) are distinguished by a scaly body, and a first dorsal fin with soft rays, fol- lowed by a second which is small and adipose; that is, formed by a fold of the skin filled with fat, and without rays. The Common Salmon ^Sahno Salar) is the largest species of the family. It is found in great numbers in the Arctic Seas, whence it ascends rivers in lar^e shoals every spring. It swims with great rapidity, and can clear at a leap obstacles to its passage twelve or fifteen "feet in height. When sahnon arrive at a place fit for spawning,. Fig. 265.—the salmon. they deposit their eggs in the gravel at the bottom, and then permit themselves to be carried by the cm-rent to the sea; where they go to acquire strength and retm-n again the following spring. Young- Salmon are therefore born in the rivers: their growth is rapid, and when they attain the size of about twelve inches, they descend to the sea like the adults. The Salmon-fishery, in many countries, torms a very important branch of industiy. In Norway, as many as 300 of these fishes have been caught at one haul, and m the Kiver Tweed as many as 700. The time selected for catching them is when they ascend the rivers to spawn, for after they have deposited their eggs, and are on tlieir way to the sea, they are very lean and their flesh of little Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Jones, Thomas Rymer, 1810-1880. London : Society for Promoting Knowledge


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Keywords: ., bookauthorjo, bookcentury1800, bookdecade1860, booksubjectzoology