158 Bulletin ^7, United States National Museum. 



barbel shorter than eye. Belly with 5 series of plates; lateral keels 

 moderate, coalescing into one at the twentieth scale ; breast and lower 

 surface with many irregular plates. First dorsal ray longer than head ; 

 outer caudal rays 3 in length. Brownish ; fins mostly spotted. (Eigen- 

 mann.) Rivers of eastern South America from Panama to the Paraguay, 

 widely distributed and abundant, (restrains, long-nosed.) 

 Loricaria roslrata, SPIX, Pise. Brazil, 5, 1829, Rio Branco; GUNTHER, Cat., v, 256, 1804; EIGEN- 



MANN, S. A. Nematognathi, 366, 1890. 



Loricaria acuta, CUVIER & VALENCIENNES, xv, 472, pi. 452, 1840, Barra do Rio Negro. 

 Loricaria barbata, KNER, Panzerwelse, 87, 1853, Rio Cujaba. 

 Loricaria barbata, GUNTHER, Cat., v, 257, 1864. 



Subgenus RINELORICARIA, Bleeker. 

 253. LORICARIA LIMA, Kner. 



Head 4f. D. 8; A. 6. Scales 27. Body depressed and elongate, the 

 depth i the width. Head long, tapering ; the cheeks in the male thickly 

 covered with fine bristles ; slightly rough in the female. Superciliary 

 margins raised ; nape with 2 ridges, which widen backward. Orbit with 

 a large notch behind ; anterior profile convex. Teeth few; lips well de- 

 veloped, the surface covered with short cirri ; barbels about as long as 

 eye. Head naked below ; belly with 3 to 5 series of scutes ; lateral keels 

 coalescing at the sixteenth scute. Upper caudal ray 2 in length ; ventral 

 short. Marbled above, with about 4 faint forked cross-bars. Vertical fins 

 more or less spotted. Coastwise streams of Brazil, from the Parahyba 

 northward to Panama, widely distributed and abundant in rocky brooks. 

 (Eigeumann.) (lima, a file.) 

 Loricaria lima, KNER, Panzerwelse, 89, 1853, Brazil; G(JNTHER, Cat., v, 260, 1864; EIGENMANN, 



S. A. Nematognathi, 368, 1890. 

 Loricaria strigilaia, HENSEL, Wiegm. Arch., 1868, 368, Santa Cruz. 



254. LORICARIA BRANSFORDI, Gill. 



Allied to L. lima. Scales 28. Eye small, 1 interorbital width, which is 

 flat, bounded by slight crests ; orbit with a slight notch (snout and jaws 

 lost in typical example); lower part of head naked; opercle and marginal 

 scutes of head w ith a broad dense band of erectile bristles. Scutes of neck 

 with 2 obsolete carinae. Scutes of thorax polygonal, those of belly scale- 

 like ; lateral ridges coalescing on eighteenth shield. Caudal fin slightly 

 emarginate, the upper spine swollen at its basal half, the lower lobe 

 truncated. Yellowish brown, the fin rays spotted. Isthmus of Panama. 

 (Gill.) (Named for Dr. J. F. Bransford, its discoverer.) 



Loricaria bramfordi, GILL, Proc. Ac. Nat. Sci. Phila., 1876, 338, Empire Station, Isthmus 

 Railway. 



Subgenus PARAHEMIODON, Bleeker. 



255. LORICARIA TJRACANTHA, Kner & Steindachner. 



D.8; A. 6. Uppermost caudal ray spin ous ; vertical diameter of eye 2 

 in interorbital width ; belly with about 6 series of plates. No keels on 

 occipital or nuchal plates ; lower lip emarginate, fringed with short cirri ; 

 each jaw with 8 to 10 teeth. None of the caudal rays produced ; barbels 

 very short. Rio Chagres. (Eigenmann.) (ovpd, tail; a/mv#a, spine.) 

 Loricaria uracantha, KNER & STEINDACHNER, Abh. Bayr. Ac. Wiss., 56, 1865, Rio Chagres. 



