24 Pisces. 
PISCES. 
of head with sharp longitudinal ridges, and covered by thin skin. Eyes 
subcutaneous. Snout overhanging the mouth, which is transverse. 
Nostrils close together, the anterior rounded, the posterior with a barbel. 
Barbels 8 (one nasal, which may be rudimentary) ; one maxillary and 
two mandibular pairs, the inner of which last are anterior to the external 
pair. Villiform teeth in jaws, palate edentulous. First dorsal fin with 
one spine and six to eight rays ; adipose, of moderate length. A pectoral 
spine. Ventral with six rays, situated posterior to the dorsal. Anal, 
10-12. Caudal forked. Air-vessel in two rounded portions, each of 
which is enclosed in bone. N. punctata^ sp. n.. Day, op. cit. p. 494, 
pi. cxv. fig. 8, Bengal. Other species included in the genus, Pimelodus 
nangra, H. B. (renamed N. huchanani)^ and P. viridescens^ H. B. 
Erethistes {Haro) buchanani, Blytb, = pusillus, M, & Tr., = hara, 
H. B., p. 452, pi. cii. figs. 1 & 2 ; conta, H. B., pi. cii. fig. 6 ; jerdoni, Day, 
pi. cii. fig. 3 ; elongata, Day, pi. cii. fig. 4, figured : Day, op. cit. 
Exostoma blythi^ Day, pi. cxvii. fig. 2 ; stoliezhoe, Day, pi. cxvii. fig. 3, 
figured : id. op. cit. 
Trichomycterus corduvensis and tenuis y spp. nn., H. Weyenbergh, op. cit. 
pp, 11 & 12, pi. iii. figs. 1 & 2, & A-c, Cordoba. 
Trichomycterus poeyanus^ sp. n. {rivulatus, Cope, oUm), p. 47, Peru, T. 
parduSy Cope, compared with other species ; Cope, P. Am. Phil. Soc. 
xvii. p. 45. 
CHARACINIDiE. 
BramocharaXy g. n. Body elongated, compressed fusiform, and with 
belly rounded in front of ventrals. Scales entire, striated ; lateral line 
moderately decurved and complete. Snout pointed, profile slightly in- 
curved ; buccal and combined post-ocular bones subequal and enlarged ; 
nostrils close together ; mouth cleft to anterior border of eye ; teeth 
uni-serial in jaws, compressed and conical on intermaxillary and dentary, 
those of the latter enlarged especially on each side of the symphysis ; on 
supra-maxillary entire edge, small, compressed ; multicuspid ; branchial 
apertures ample, membranes deeply cleft and free from isthmus. Dorsal 
skort, submedian, between ventrals and anal, which is moderately long. 
Type, B. hransfordiy sp. n., Gill, P. Ac. Philad. 1877, p. 189, Nicaragua. 
Prochilodus nigricans^ "Mull., noticed; H. Weyenbergh, Nuevos Pes- 
cados, p. 5. 
Tetragonopterus ipanquianus, sp. n.. Cope, P. Am. jRhil. Soc. x;vii. p. 44, 
Peru. 
lAnacyrtus'] Hydrocyon argenteum, Yal., and {^Salminus^ hrevidenSy 
Cuv., noticed by H. Weyenbergh, Nuevos Pescados, &c., pp. 4 & 5. 
Serrasalmo irritanSy sp. n., Peters, 1. c. p. 472, Fernando de Apure. 
SCOPELIDJ;. 
Saurus indicuSy Day, figured ; Day, op. cit. pi. cxvii. fig. 4. 
Scopelus indicuSy sp. n., id. op. cit. p. 607, pi. cxviii. fig. 2, Viza- 
gapatam. 
Aulopus juponicuSy sp. n., Giinthor, Ann. N. H. (4) xx. p. 444, Japan. 
