. Elementary text-book of zoology. Zoology. 140 PISCES. The electrical organs* may be mentioned as a peripheral appendage of the nervous system (Torpedo, Gymnotus, Malapternrus, Mor- myrys). They are nervous apparatuses which in the arrangement of their parts may be compared to a Voltaic pile. They develop elec- tricity, and give electrical discharges when their opposite poles are. FIG. 590.—Torpedo with electric organ dissected out (EO) (after Gegenbaur). On the right side the dorsal surface only of the organ is exposed; on the left side the nerves which go to it are shown. Le, electric lobe;
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. Elementary text-book of zoology. Zoology. 140 PISCES. The electrical organs* may be mentioned as a peripheral appendage of the nervous system (Torpedo, Gymnotus, Malapternrus, Mor- myrys). They are nervous apparatuses which in the arrangement of their parts may be compared to a Voltaic pile. They develop elec- tricity, and give electrical discharges when their opposite poles are. FIG. 590.—Torpedo with electric organ dissected out (EO) (after Gegenbaur). On the right side the dorsal surface only of the organ is exposed; on the left side the nerves which go to it are shown. Le, electric lobe; Tr, trigeminal nerve; V, vagus nerve; O, eye; Br, gills ; on the left the individual branchial sacs ; on the right the latter are shown covered with a common muscular layer. Gr, Gelatinous tubes of the skin (sense canals). connected. In Torpedo these organs are situated (fig. 590) between * Compare Savi, " Recherches anatomiques sur le systems nerveux et sur 1'orgaiie electrique de la torpille." Paris, 1844. Bilharz, "Das elektrische Organ des Zitterwelses." Leipzig, 1857. •Max Schultze, " Zur Kenntniss des elektrischen Organs der Fisclie." 1, 2. Halle, 1858 and 1859. Max Schultze, "Zur Kenntniss des den elektrischen Orgauen verwaudten Schwanzorganes von Raja clavata." Mailer's Archiv, 1858. Sachs, '• Untersuchungen am Zitteraal." Leipzig, 1881.. 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.. Claus, Carl, 1835-1899; Sedgwick, Adam, 1854-1913; Sinclair, F. G. (Frederick Granville), b. 1858. New York : Macmillan