ANNOTATED LIST OF THE SPECIES 103 
of the pectoral. Distance of the dorsal spine from the snout 2.5 in the length; dorsal 
spine equal to head, serrated on its posterior margin, slightly so near the tip on 
front margin, finely granular below; distance of the adipose fin from the dorsal 
equals length of adipose and is contained 6 times in the length. Caudal deeply 
forked, longer than head; pectoral spine strongly serrated on both sides, the serra- 
tions a little stronger on the inner side. Silvery below, brownish above; faint 
darker areas on the back, bases and tips of dorsal rays, tip of adipose, caudal lobes 
black. 
Fia. 16. The lower Pachitea river. Such craft of the lighter type are used for local travel, for 
fishing, hunting, ete. 
44. PIMELODUS ORNATUS Kner 
Pimelodus ornatus Kner, 1857, Sitzb. KIx. Akad. Wiss. Wien, X XVI, 411, fig. 18, Surinam to Rio 
Negro; 
Ginther, 1864, Cat. Fish. Brit. Mus., V, 116, Para; 
Eigenmann and Higenmann, 1888, Proe. Cal. Aead. Sei., (2), I, 134; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, III, 388; 
Figenmann, 1912, Mem. Carnegie Mus., V, 175; 
Pearson, 1937a, Proc. Cal. Acad. Sci., (4), X XIII, 92, Pusoe, upper Maranon. 
Pimelodus ornata Kigenmann and Higenmann, 1890, Occ. Papers Cal. Acad. Sci., I, 168. 
