ANNOTATED LIST OF THE SPECIES 213 
Gunther, 1869, Proce. Zool. Soe. London, 235, Neberos; 
Cope, 1874, Proc. Acad. Nat. Sci. Phila., XX VI, 135; 
Cope, 1878, Proce. Amer. Phil. Soc., XVII, 681, Peruvian Amazon; 
Eigenmann and Eigenmann, 1890, Occ. Papers Cal. Acad. Sci., I, 366. 
Sturisoma rostrata Swainson, 1839, Fish. Amph. Rept., II, 304; 
Higenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, III, 416. 
Oxyloricaria rostrata Regan, 1904, Trans. Zool. Soc. London, XVIT, 300. 
Panama, Rio Maranon, to upper Paraguay valley 
15382, 4, 104-233 mm. to end of middle caudal rays, Amazon, Iquitos, Allen, Morris, 1920-1922. 
15383, 5, 91-232 mm., Rio Morona, Allen, October, 1920. 
15384, 2, female, 192 mm.; male, 250 mm., Rio Huallaga, Yurimaguas, Allen, November, 1920. 
15385, 4, 143-201 mm., Rio Ucayali, near Orellana, Allen, August, 1920. 
15386, 1, 225 mm., Lago Cashiboya, Allen, August, 1920. 
15387, 1, 211 mm., Rio Ucayali, Contamana, Allen, July, 1920. 
234. STURISOMA GUNTHERI (Regan) 
Loricaria rostrata (non Spix) Giinther, 1868, Proc. Zool. Soe. London, 235; 
Eigenmann and Eigenmann, 1889, Proc. Cal. Acad. Sei., (2), IT, 35; 
Eigenmann and Eigenmann, 1890, Oec. Papers Cal. Acad. Sci., 1, 366. 
Oxyloricaria guentheri Regan, 1904, Trans. Zool. Soc. London, XVII, 299, pl. xviii, fig. 1. 
Sturisoma giinther? BKigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 416. 
Xeberos, Peruvian Amazon; middle Amazon 
235. STURISOMA NIGROROSTRUM Fowler 
Sturiosoma nigroraostrum Fowler, 1939 (1940), Proc. Acad. Nat. Sci. Phila., XCI, 249, figs. 48-50. 
Rio Ucayali, Contamana 
Represented by three specimens at the Philadelphia Academy of Sciences, 
type and paratypes, 179-220 mm. in length to end of broken caudal filament. 
Distinguishable by the black snout. 
Genus 91: FARLOWELLA Eigenmann and Figenmann 
Acestra (non Dallas) Kner, 1853, Denksch. IKXIx. Akad. Wiss. Wien, VI, 93; 
Giinther, 1864, Cat. Fish. Brit. Mus., V, 260. 
Farlowella Eigenmann and Kigenmann, 1889, Proc. Cal. Acad. Se1., (2), I, 32; 
Eigenmann and Eigenmann, 1890, Oec. Papers Cal. Acad. Se1., 1, 355; 
Regan, 1904, Trans. Zool. Soe. London, XVII, 302; 
Eigenmann and Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 416; 
Figenmann, 1912, Mem. Carnegie Mus., V, 252. 
Type: Acestra acus Kner 
Amazons to the Guianas 
Delicate, slender, long-snouted, loricaruform fishes; dorsal opposite the anal, 
in part over the ventrals; 6-8 plates separate the occipital plate from the dorsal 
fin; ventral plates large and in two or three series. 
