THE GYMNOTID EELS OF TROPICAL AMERICA. 105) 
tome I, pl. Ixiii, fig. 2; Samo, Electric Eel, Trans. Lond. Elect. Soc., 1841: 
Hewson, Sydenham Soc., 1846; Hyrrz, Denkschr. K. Akad. Wiss., Nat. 
Klasse, II, 1851; Appun, Wanderungen Venezuela, Orinoco, British Guiana 
u. am. Amazon, Bd. I, Jena, 1871, 480. 
Gymnotus SEBA, Thesaur., III, 108, tab. XXXIV, 1758; Gronovius, Art. Helvet., 
IV, 1762, 27, tab. 3, fig. iii; Musscuensrork, Introd. Philos. Nat. Lugd. 
Batav., I, 290, 1762; Gronovrus, Zoolphyl., 41, No. 169, 1763; ScHILLING, 
Neue Abhand. Akad. Berlin, 1770, 68; Musscuensroek, in Rozier, Jour. 
Phys., 1776, 331; Le Roy, Observ. Mem. Phys., VIII, 331, 1776. 
Gymnotus electricus LINNmUuS, Syst. Nat., ed. XII, Vol. 1, 427, 1766; WiILLIAMson, 
Phil. Trans., LXV, 94, 1775; Garpsn, 1. c., p. 102; Hunvsr, |. c., [On wista, 
pls. 1-4; Buocu, Natgesch. Ausliind. Fische, II, 43, taf. 156, 1785; Bryant, 
Trans. Amer. Philos. Soc., IT, 166, 1786; Fiacc, Observ. Trans. Amer. Phil. 
Soc., II, 170, 1786; Guisan, Bull. Se. Soc. Philom., Vol. I, 32, 1797; Lactripn, 
Hist. Nat. Poiss., II, 146, pl. 6, fig. 1, 1798; FAHLBERG, Kongl. Vetensk. 
Ak. Ny Handl., Tom. XXII, 122-156, 1801; Sr. Himarre, Ann. Mus. Hist. 
Nat., I, 1-15, 1802; Humponpt, Versuche elect. Fische, 1806; idem, Recuel. 
Observ. Zool. Anat., Vol. I, 49, 1811; Cuvirr, Régne Animal, IV, 236, 1817; 
Humsoxpt, Voy. Region Equinox. Nov. Continent, Paris, II, 1819; Guisan, 
Commt. Gymnoto electrico, Tiibingen, 1819; Knox, Edinb. Journ. Sci., I, 
96, 1824; Brapuiey, Charlesworth’s Mag. Nat. Hist., II, 668, 1838; Farapay, 
Philos. Trans., pl. 1, 1839; ScH6nBEIN, Beobach. Zitteraales, Basel, 1841; 
VALENTIN, Neue Denksch. Allgem. Schweitz. Gesell., VI, pl. 5, 1842; Scuom- 
BURGK, Fishes Guiana, Part II, 1843, 173 (Rio Negro); Mriranpa, Exp. 
sul Gimnoto electrico, Napoli, 1845; Owrn, Comp. Anat. Physiol. Vert., 
part I, London, 1846; VALENcTIENNES, Les Poissons, 110, 1847; DELLE 
CutasE, Nuov. Ann. Se. Nat. Bologna, VIII, 5 plates, 1847; Pacrnt, Sulla 
electrico Gimnoto, 35, Firenze, 1852; Gronow, ed. Gray, 23, 1854; Kuprrer 
& KEFERSTEIN, in Henle & Pfeifer, Zeitsch. f. rat. Med., II, 344, 1858; Josert, 
Appareil Poissons Elect., Paris, pl. VII-XI, 1858; Kaup, Apod. Brit. Mus.., 
124, 1856; idem, Wiegm. Arch., XXII, Bd. 1, 1856; Scuutrze, Abhandl. 
Naturf. Gesell. Halle, IV, 35, pl. II, 1858; Darwin, Origin of Species, 192, 
1859; SrEINDACHNER, Gymnotide, 14, 1868 (Rio Jacutu; Rio Branco; Rio 
Guaporé); GUNTHER, Cat. Fish. Brit. Mus., VIII, 10, 1870 (Brazil and Gui- 
anas); WALLAcE, Geograph. Distribution, Lond., Vol. II, 455, 1876; Prrers, 
Mb. Akad. Wiss. Berlin, 1878 (Apuré); Sacu, Aus den Llanos, Berlin, 1878 
(Apuré); idem, Untersuch. am Zitteraal, Leipzig, 1881 (Apuré); Frirscu, 
Anhang I, Sachs, Zitteraal, 1881; idem, Anhang II; Gornp1, Peixes do Ama- 
zonas e Guayanas, 1894; Harareaves, Fishes of British Guiana, 1904; 
PELLEGRIN, Poissons de Guyane France., 1908. 
Electrophorus electricus Grit, Proc. Acad. Nat. Sei. Phila., 151, 1864; ErgENMANN 
AND EIGENMANN, Proc. U. 8. Nat. Mus., XIV, 61, 1891; QuEtcH, Nature, 
