10 (JYMNOTID.i;. 



5. GYMNOTUS. 



Gymnotiis, sp., of elder authors. 



Gj-niuotus, Cuv. Rl'gne Anim. 



Electroplioms, Gill, Proc. Ac. Nat. Sc. Philad. 1864, p. 151. 



Caudal and dorsal fins absent ; anal extending to the end of the 

 tail. Scales none. Teeth conical, in a single series, and with a few 

 other teetli behind it in the middle of each jaw. The mucous mem- 

 brane of the mouth with numerous lobes. Anterior nostril in a 

 short tube near the margin of the lip. Eyes exceedingly small. 

 Vent behind the tkroat. An electric organ along each side of the 

 lower part of the tail. 



Brazil and Guyanas. 



1. Gymnotus electricus. 



Electric Eel. 



Richter, Mem. Acad. Paris, vii. 1729, p. 325. 



De la Condamine, Voi/. dans VAtner. Merid. 1748, 4to. 



Irujram, Nene Physical. Beluslig. i. 17-50, p. 288 (Torpedo). 



Allemand (Gravesand), Verliand. Maatsch. Haarlem, ii. 1755, p. 372, 



(Sidder-vis). 

 Gumilla, Descr. de VOrenoque, iii. p. 186 (Poisson-Trembleur). 

 GroHuv. Uifc/ezof/etie Verhandel. iii. p. 468, tab. 26. tig. 8 (Beef-aal). 

 Gymnotus, Gronov. Act. Helvet. iv. 1702, p. 27, tab. 3. figs. 1-3, and 



Zooplujl. p. 41. no. 109 ; Seha, iii. tab. 34. fig. 6 ; Mmschenbroek, 



Introduct. ad Philos. Nat. Lvjid. Batav. 1702, i. p. 290, and in 



Rozier, Journal de Physique, 1770, p. 331 ; Le Roy, Observ. et Mem. 



sur la Phys. viii. 1770, p. 331 ; Schillim/, Neue Abhandl. Akad. 



Berlin, 1770, p. 08. 

 Cougeraal, Van der Lett, Verhandl. Maatsch. Haarlem, 1702, p. 87. 

 Lamproie du Para, La Condamine, Voy. a rAmazone, p. 154. 

 Fermin, Surinam, p. 59; Bancroft, Nat. Hist, of Guyana, p. 120; 



Bajon, Mem. pour servir a I'hist. de Cayenne, 1777, ii. p. 288 ; and 



in Rozier, Journ. de Phys. iii. 1774, p. 47. 

 Prinyle, A Discourse on the Torpedo. Lond. Rov. Soc. 1775, 4to, 



pp. 32. 

 Gymnotus electricus, L. Syst. Nat. i. p. 427 ; Bl. ii. p. 43, taf. 150 ; 



inilidinson, Philos. Trajis. Ixv. 1775, p. 94; Garden, ibid. p. 102 ; 



Ilxntcr, ibid. p. .■>95, pis. 1-4; Lacep. ii. p. 140, pi. 0. fig. 1 ; Bn/ant, 



Trans. Am. Phil. Soc. ii. 1780, p. 100; Flayy, ibid. p. 170; Fahl- 



berg, Veteiisk. Ak. ny Handl. 1801, pp. 122-150; Guisan, Bull. 



Sc. Soc. Philom. i. 1. 1797, p. 32 ;' Cue. Reyne Anim. ; Geojfroy 



St.-Hilairc, Ann. Mus. d'Hid. Nat. i. 1802, pp. 15, with a plate ; 



HnndjoJdt, Observat. Zool. i. p. 49 ; Knox, Edinb. Journ. Sc. i. 1824, 



p. 90; Bradley, in Charlesworth's May. Nat. Hist. 1838, ii. p. 0(i8 ; 



Faraday, Philos. Trans. 1839, p. 1 ; Valentin, Neiw Denkschrift. 



Allyem. Schweitz. Gesellsch. vi. 1842, with 5 plates; Delia Chiaje, 



Nuov. Ann. Sc. Nat. Boloyn. viii. 1847, p. 280; Gronov. Syst. ed. 



Grai/, p. 23 ; Kupffer und Keferstein, in Henle und Pfeifer, Zeitschr. 



f. rat. Med. ii. 1858, p. 344." 

 Himboldt, Vermclw ilber die electrischen Fische. Erfurt, 1800, 8vo. 

 Lanyyuth, Dissertatio de Torpedine recentiorum, yvnere Anyuilla. Wit- 



tenburg, 1778, 4to, pp. 38. 

 Guisan, Comment, de Gymnoto eleetrico. Tubing. I8l9, 4lo, pp. 34. 



