58 FRESH -WATER FISHES OF SOUTH AMERICA — EIGENMANN. 



157. CYNOPOTAMUS Kner. 



809. C. aigeuteus (Val.). La Plata; Araguay. G., v, 348. 



810. C. humeralis (Val. ). La Plata; Goyaz ; Sao Paolo; Rosario. G., v, 348. 



811. C. knerii Steiiul. Cnjaba; Rio Paraguay ; Irisanga ; Tabatinga. '78,48. 



C. humeralis Kuer, not Val. 



812. C. magdalenae Steiiul. Magdalena and Cauca. '78, 61, PI. xii, Figs. 2-2a. 



813. C. amazonuni Giiuthor. Xeberos. '68a, 246. 



814. C. gulo Cope. Pebas. '70, 565. 



815. C. biserialis Garmau. Amazons. '90, 14. 



158. EXODON" Miiller and Troschel. 



Hystricodon Giluther. 



816. E. paradoxus M. & T. Gniana ; Crixas; Aragiiay ; Amazon. G., v, 349. 



E. exodon Cuv. & Val. 



159. SALMINUS Agassiz. 



817. S. hilarii Cuv. & Val. Rio San Francisco ; Amazon ; Goyaz. G., v, 349. 



818. S. cuvieri Cuv. & Val. Rio Cipo ; Rio San Francisco; Rio das Velhas. G., 



V, 350, as hreridens. 



819. S. brevidens (Cuvier). Parana; Rio Plata. G., v, 3ij0,as maxiUosus. 



S. maxillosus Cuv. & Val. 



820. S. orbignyaniis Cuv. & Val. Jacuhy. Cuv. & Val., xxii, 65. 



821. S. affinis Steind. Cauca. '80,28, PI. vii, Figs. 2-2a. 



160. OLIGOSARCUS Giiutlier. 



822. O. argenteus Giintber. Brazil. G., v, 351. 



161. XIPHORHAMPHUS Miiller & Troschel. 



823. X. falcirostris (Cuv.). Demerara ; Rio Cupai ; Maranon and tributaries. G. 



V, 354. 



824. X. falcatiis (Bloch). Guiana; Amazon. G., v, 354. 



825. X. microlepis (Schomburgk). British Guiana ; Rio Negro ; Amazons. G., V, 



355. 



826. X. ferox Giintber. Essequibo. G., V, 355. 



827. X. pericoptes Miiller & Troschel. Brazil. G., v, 355. 



828. X. hepsetus (Cuv.). Southeastern Brazil; Buenos Ayres. G., V, 356. 



A'. h€2)seticus Castelnau ; X. jcnynsU Giintber. 



829. X. oligolepis Steind. La Plata. '67,339. 



830. X. niacrolepis Steind. Rio Jequitinhonha. '76a, 36. 



831. X. lacustris Reinhardt. Rio das Velhas. Liitkeu, '75, 232. 



832. X. heterolepis Cope. MaraFion. '78, 687. 



833. X. anomalus Steind. Cauca. '80, 32. 



834. X. abbreviatus Cope. Maranon. '78, 687. 



*Dr. Giintber, v, 349, states that the name Exodon is preoccupied. Wo have been 

 unable to find the form Exodon used elsewhere, and it is retained here. 



