. Die Cambridge Natural History. Zoologie. 58 o TELEOSTEI der bekannteste Vertreter dieser Familie ist die so genannte Electric Eel (Gymnotus electricus), des Orinoco, Amazonen, und. Abb. 351,- Umrisse der Köpfe, die Form der snont und die Position der Entlüftung (v). A, Sternarchiis alhifrons; B, Sternarchiis macrostovia; C, lihamphostCDiarclius Gicrvirostris; D, Rhaniphosternarchus tamandua. Vorleistungsgüter Fluss-Systems. Es wächst auf eine Länge von 8 Fuß und der Dicke der Oberschenkel, und ist wesentlich für die elektrische Schläge, Entlastung gefürchtet. Die "Tremblador", wie sie von der Sp aufgerufen wird

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. The Cambridge natural history. Zoology. 58o TELEOSTEI The best known member of this family is the so-called Electric Eel (Gymnotus electricus), of the Orinoco, Amazons, and. Fig. 351.—Outlines of heads, showing shape of snont and position of vent (v). A, Sternarchiis alhifrons; B, Sternarchiis macrostovia; C, lihamphostCDiarclius Gicrvirostris ; D, Rhaniphosternarchus tamandua. intermediate river-systems. It grows to a length of 8 feet and the thickness of a man's thigh, and is much feared for the electric shocks it is able to discharge. The " Tremblador, " as it is called by the Spanish-speaking inhabitants of the Orinoco district, is found only in marshes and in comparatively shallow parts of rivers, to the great annoyance of travellers who have to ford at such points, beasts of burden being frequently knocked down by the electric shock. Specimens have often been ex- hibited alive in this country; two brought to London in the year 1842, neither of them weighing more than one pound, had by 1848 reached the weights of 40 and 50 pounds respectively. About four-fifths of the length of the fish is occupied by the tail, which contains the electric organ ; this is formed by modified muscular tissue, and consists of two huge masses, longitudinal bands or columns, of cells filled with a jelly-like substance, occupying the whole of the caudal region below the vertebral- column and separated by a narrow median septum; a smaller body, of similar structure, extends along each side at the base of the anal fin. The whole apparatus is supplied with a great number of nerves branching from the spinal nerves. The electrical apparatus is exercised by the will of the fish, even to. 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 work.. Harmer, S. F. (Sidney Frederic), Sir, 1862- ed; Shipley, A. E. (Arthur Eve

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• bookcentury1800
• bookdecade1890
• booksubjectzoology
• bookyear1895