266 KEPOKT OF COMMISSIONEK OF FISH AND FISHERIESc 



Genus 137. PLAGOPTERUS Cope. 



Pla<n>i)leruH Coi)e, Proc. Aiuer. I'bil. Soc. Phihi. 1874, 130 {artjeniisaimus). 



563. Plagopterus argentissimus Cope. 



Colorado Basin in westoni Colorado (Cope); Fort Vnnia (Gilbert). 

 riiKjoplcrKs ar(jeuiis>iit)ins Cope, Proc. Amer. PLil. .Soc. Pliila. 1874, 130, San 

 Luia Valley, Colorado. 



Suborder HETEROGNATHI. 



Family XXXVIII. ERYTHRINIDiE. 



Genus 138. MACRODON Midler. 



Mavrodoii Miiller, Arcliiv Anat., 1842, 308 (trahira = malaharieua). 



564. Macrodon microlepLs (Uinther. 



Panama to Ecuador, chietly west of the Andes; known from Rio Chagres 



and from Ecuador. 

 Macrodon 7nicrolcpis Giiutlier, Cat., V, 282, 1864, western Ecuador; Chagres 



Kiver, Guatemala. 



Family XXXIX. CHARACINIDiE. The Characins. 



Genus 139. CURIMATA (Cuvier) Cloquet. 



Cnrimata Cuvior, in Cloquet, Diet. Hist. Nat., xii, 240, 1818 {edenlula). 



565. Curimata magdalenae Steindachner. Sardina Blama. 



llio Magdalena and IJio Mamoui, Colombia. 



Curimatus maodaleria' Steindachner, Fisch-Fauna des ilagdalenen-Stromes, 

 34, 1878, Ivio ilagdaleua, Colombia. 



Genus 140. PIABUCINA Cuvier & Valenciennes. 



Piabucina Cuvier &. Valenciennes, Hist. Nat. Poiss., xxii, 161, 1849 (erythri- 

 noides). 



566. Piabucina panamensis Gill. 



Rio Frijoli, Atlantic Slopn of Istlinius of Panama. 



Piabucina panameniiia (iill, Proc. Ac. Nat. Sci. Phila. 1876, 336, Rio Frijoli, 

 Isthmus of Panama. 



Genus 141. TETRAGONOPTERUS Cuvier. 



Tctranonopierus (Artedi) Cuvier, R^gno An., ii, 166, 1817 {anjeuteus). 



Subgenus ASTYAXAX Baird k Ciirard. 



Jati/anax Baird tfc (Jirard, Proc. Ac. Nat. Sci. Phila. 1854, 26 {argentatus). 



567. Tetragonopterus aeneus Giinther. 



Oaxaca, Mexico, and Rio Chagres, south to Brazil. 



Tetragonopterus ant-ua Giinther, Proc. Zool. Soc. Eoud. 1860, 319, Oaxaca, 

 Mexico. 



568. Tetragonopterus rutilus Jcnyns. 



Mexico to Ecuador and Rio de la Plata; recorded as conunou in O'utral 



America. 

 Tetrai/onopterua rutilua Jenyns, Zool. Beagle, Fishes, 125, 1812, Rio Parana, 



South America. 



569. Tetragonopterus panamensis Giinther. 



Streams about Pananui ami Jyako Yzabal. 



Tetragonoptcrua jmnanunaia Giinther, Cat., v, 324, 1864, Panama ; Lake Yzabal. 



570. Tetragonopterus microphthalmus Giinther. 



Guatemala (Lake Auuititlan) to Peru. 



Tetra<iointiilernx vncropkihalmtta Giinther, Cat., v, 324, 18(it. Lake Amatitlan; 

 Rio Rimao, Peru. 



