ANNOTATED LIST OF THE SPECIES 231 
272. HyPHESSOBRYCON INNESI Myers 
Hyphessobrycon innesi Myers, 1936, Proc. Biol. Soc. Wash., X LIX, 97. 
A single specimen, adult female, 22 mm., from a shipment of live fishes via 
Paris to Mr. W. T. Innes, of Philadelphia. Supposedly from near Iquitos. 
273. HyPHESSOBRYCON LORETOENSIS Ladiges 
Hyphessobrycon loretoensis Ladiges, 1938, Zool. Anz., CX XIV, 51. 
Peruvian Amazon, locality not stated 
274. HyPHESSOBRYCON PERUVIANUS Ladiges 
Hyphessobrycon perwianus Ladiges, 1938, Zool. Anz., CX XIV, 50. 
Peruvian Amazon, locality unknown 
Genus 105: MOENKHAUSIA Eigenmann 
Moenkhausia Eigenmann, 1903, Smithsonian Misc. Coll., XLV, 145; 
EKigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, III, 487; 
Eigenmann, 1912, Mem. Carnegie Mus., V, 320; 
Eigenmann, 1917, Mem. Mus. Comp. Zool., XLII, 1, 65. 
Type: Tetragonopterus xinguensis Steindachner 
Amazonia to the Guianas, Parana, Paraguay and Doce 
Tetragonopterines of small size with lateral line only slightly decurved or not 
at all; separable from Hemigrammus by the complete lateral line and from Astyanax 
on the finely scaled caudal; two series of notched scales on the premaxillary; the 
maxillary with few teeth. 
275. MOENKHAUSIA OLIGOLEPIS (Giinther) 
Tetragonopterus taeniatus (non Jenyns) Miller and Troschel, 1848, in Schomburgk, Reisen, IIT, 635. 
Tetragonopterus oligolepis Giinther, 1864, Cat. Fish Brit. Mus., V, 327; 
Eigenmann and Eigenmann, 1891, Proc. U.S. Nat. Mus., XIV, 53. 
Astyanax oligolepis Fowler, 1906, Proc. Acad. Nat. Sci. Phila., LX VIII, 488, fig. 37, Peruvian 
Amazon, Orton collection. 
Moenkhausia oligolepis Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 437; 
Eigenmann, 1912, Mem. Carnegie Mus., V, 321, pl. xlvi, fig. 3; 
Eigenmann, 1917, Mem. Mus. Comp. Zool., XLIII, 1, 79, pl. vu, fig. 4; pl. xev, fig. 4; pl. e, 
fig. 5. 
Tetragonopterus agassizii Steindachner, 1876, Sitzb. KKK. Akad. Wiss. Wien, LX XIV, 41, pl. vin, 
fig. 2, Tabatinga and Brazil; 
Cope, 1878, Proc. Amer. Phil. Soc., XVII, 691, Marafion; 
Eigenmann and Eigenmann, 1891, Proc. U.S. Nat. Mus., XIV, 53. 
The basin of the Maranon to the Guianas 
Separable from nearby species by its greater length, 29-32 lateral line scales, 
five between lateral line and dorsal, 34—4 rows ventral to lateral line; a broad, black 
band across the entire width of the caudal fin. 
