THE GYMNOTID^ I77 



III, 15, 1849; Steindachner, Fisch-f. Magdalenen Str., 53, 

 pi. XIV, fig. I, 1878 (Magdalena River); id. Fisch-f. Cauca 

 and Guayaquil, 36 and 50, 1880 (Cauca and Guayaquil) ; 

 Eigenmann & Eigenmann, Proc. U. S. Nat. Mus., XIV, 

 1891, 62; Boulenger, Boll. Univ. Torino, XIII, 1898 (Rio 

 Guayas) ; Steindachner, Denkschr., Acad. Wiss. Wien, 

 LXII, 59, 1902 (Rio Magdalena at Baranquilla). 

 Habitat: Magdalena basin and Guayaquil. 



28. GYMNOTUS OBTUSIROSTRIS (Steindachner). 



Sternopyg'tis obtusirosiris Steindachner, Flussf. Siidam., II, 

 43, pi. II, fig. 3, 1881, Amazon at Teffe ; Lago Alexo ; Man- 

 acapuru ; Rio Madeira; RioPuty; Eigenmann & Eigenmann, 

 Proc. U. S. Nat. Mus., XIV, 1891, 62. 

 Habitat: Amazonas and Rio Puty. 



II. Giton Kaup. (Fig. 15.) 



Carapus Cuvier, Regne Animal, ed. I, 237, 18 17 (sp.). 

 Carafiis Miiller & Troschel, Horse Ichthyol., Ill, 13 {fascia- 



tus) ; not Carapus Rafinesque. 

 Giton Kaup in Dumeril, Analyt. Ichthyol., 201, 1856. Type: 



Gymnotus fasciatiis Pallas. 



Geographical distribution is that of the single species. 



29. GITON FASCIATUS (Pallas). 



Carapo Marcgr., Hist. Pise, 170; Willoughby, Hist. Pise, 

 115, tab. G 7, fig. 4. 



Gymnotus Seba, Thesaur., Ill, tab. 32, fig. i. 



Gymnotus fasciatus^ Pallas, Spicil. Zool., VII, 35 ; Schom- 

 burgk, Fishes of Guiana, 184, pi. 19, 1843 (Guiana). 



Carapus fasciatus^ Cuvier, Regne Animal, ed. I, 237, 1817 ; 

 Miiller & Troschel, Horag Ichthyol., Ill, 13, 1849; Castel- 

 nau, Anim. Amer. Sud, 85, 1855 (Amazon), Kaup, Apod., 

 139; Steindachner, Die Gymnotidse, 13, 1868 (Caigara ; 

 Cuyaba ; Marabitanos ; Surinam ; Matto Grosso) ; Giinther, 

 Cat., VIII, 9, 1870 (Capim ; Bahia ; Surinam; British 

 Guiana; Essequibo ; Berbice ; Trinidad; Is. Grenada; Rio 

 Motagua); Hensel, Wiegm. Archiv, 89, 1870 (Guahyba ; 



