214 FISHES OF WESTERN SOUTH AMERICA 
236. FARLOWELLA KNERIL (Steindachner) 
Acestra knerii Steindachner, 1882, Denksch. KKK. Akad. Wiss. Wien, XLVI, 26, pl. vil, figs. 1 and 1a, 
Canelos; 
Boulenger, 1887, Proce. Zool. Soc. London, 278, Canelos, Sarayacu. 
Farlowella knerii Eigenmann and Eigenmann, 1889, Proc. Cal. Acad. Sei., (2), 34; 
Eigenmann and Higenmann, 1890, Occ. Papers Cal. Acad. Sei., I, 358; 
Tigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, III, 416. 
Farlowella kneri Regan, 1904, Trans. Zool. Soc. London, XVII, 304. 
Eastern slopes of Andes of Ecuador and Peru 
237. FARLOWELLA AMAZONA (Ginther) 
Acestra amazonum Ginther, 1864, Cat. Fish. Brit. Mus., V, 271, Santarem. 
Farlowella carinata Eigenmann and Higenmann, 1889, Proce. Cal. Acad. Sei., (2), I, 33; 
Eigenmann and Eigenmann, 1890, Occ. Papers Cal. Acad. Sci., I, 356. 
Farlowella amazonum Regan, 1904, Trans. Zool. Soc. London, XVII, 305; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, III, 416. 
Peruvian Amazon to Santarem 
15377, 1, 130 mm., 128 mm. to end of middle caudal rays, Rio Pacaya, Allen, August, 1920. 
Length of produced part of snout 20 mm.; distance between tip of snout and 
anus 55 mm. 
238. FARLOWELLA SMITHI Fowler 
Farlowella smithi Fowler, 1914, Proc. Acad. Nat. Sei. Phila., LX-VI, 574, fig. 24. 
15375, 3, 156-159 mm. to end of middle caudal rays, Rio Huallaga, Yurimaguas, Allen, November, 
1920. 
15376, 3, 154-220 mm. to end of middle caudal rays, Iquitos, Allen, September, 1920. 
15380, 1, 84 mm. to end of middle caudal rays, Rio Morona, Allen, October, 1920. 
Of 15375, two have a snout length of 22 mm., produced part, and distance 
between anus and tip of snout 62 mm. (third broken). 
For 15376 the respective measurements are as follows: 
a. snout length 22 mm.; snout to anus 65 mm. 
by ae ee fe Ry nanieal, = 
ci 2 OO nmnar 
Cc. “ iO) tantaals? 8S mm. 
a3 ce “c 
Order HETEROGNATHI 
An order allied to the Nematognathi in the possession of the Weberian appa- 
ratus, differing in the possession of scales. 
Family XI: Characidae 
Characini Miller, 1843, Archiv Naturg., LX, 323. 
Characinidae Richardson, 1856, Eneyel. Brit., ed. vii, XII, 245; 
Jordan, Evermann and Clark, 1928 (1930), Rept. U. 8. Comm. Fish., Part II, 95; 
Gregory and Conrad, 1938, Zoologica, XXIII, 319. 
