19 Pisces, 
PISCES. 
Chceiostomus iindecinialis, sp. n., id. 1. c. p. 43, Magdaleiia River. 
Chcetostomus Jischeri, sp. n., id. op. cit. xli. Abth. i. p. 162, pi. iv. fig. 
Mamoni River, near Chepo. 
Loricaria tima^ Kner, = uracantha, Kuer & Steind., p. Km ; some 
points in Gunther’s description of L. rostrata, Spix, corrected, p. 165 ; 
L. variegata, sp. n., p. 163, pi. iii., from Mamoni River, near Chepo. 
Steindachner, Z. c. 
Loricaria Jilamentosa^ p. 45, pi. ix., magdalence, p. 74, id. op. cit. xxxix., 
Magdalena River ; L. teffeana^ p. 44, pi. vi., JconopicJcii, p. 45, pi. vii. id. 
op. cit. xli. Abth. i., Amazons : spp. nn. 
Loricaria magdalcncc figured ; id. 1. c. pi. vii. figs. 2 & 3. 
llypoptopoma thoracatum, Gthr., hilohatum, Cope, and carinatum, 
sp. n., Amazons, described and figured ; id. 1. c. pp. 47-49, pis. iv.-vi. 
StegopJiilus maculatus, sp. n., id. 1. c. p. 25, pi. iv. fig. 2, La Plata. 
Characinid^. 
Curimatus mivarti, p. 48, pi. xiii. fig. 1, 7nagdalence, p. 50, spp. nn., 
Steindachner, id. op. cit. xxxix., Magdalena River. 
Pi’ochilodus laticeps, sp. n., id. op. cit. xli. p. 152, Orinoco. 
Parodon affinis, sp. n., id. 1. c. p. 20, pi. iii. fig. 3, La Plata. P. hilarii, 
Rhdt. & Ltk., is scarcely different from P. svhorhitaliSj C. V., ? = nasus, 
Kn. ; id. ibid. 
Anostomus orinocensis, sp. n., id. 1. c. p. 154, pi. ii. fig. 7, Orinoco. 
Leporinus. On L. elongatus, Val., p. 53, with characters figured, pi. x. 
figs. 3-5, and striatus, Kner, var., p. 55, pi. x. fig. 1 ; L. eques, sp. n., 
p. 56, pi. X. fig. 2, Magdalena River : id. op. cit. xxxix. 
Tetragonopterus. Steindachner remarks that Gunther’s divisions of 
the genus, based upon the number of anal rays, are not trustworthy, T. 
argenteus belonging equally to group A and B, p. 155. He describes T. 
panamensis (jfischei'i, Steind., olim), p. 166, and hranichii, sp. n., from 
Peru, p. 169, pi. i. fig. 3. Denk. Ak. Wien, xli. Abth. i. 
Brycon insignis, Steind., = Chalceus devillii, Casteln. ; id. 1. c. p. 50. 
Brycon longiceps, p. 156, pi. i. fig. v., Orinoco, stohmannit p. 170, pi. ii. 
fig. 6, Peru, id. 1. c. ; B. moorii, id. op. cit. xxxix. p. 58, pi. v. fig. ii., 
Magdalena : spp. nn. 
Chalcinus magdalence, sp. n., id. op. cit. xxxix. p. 60, pi. xi. 
Gasteropelecus maculatus^ sp. n., id. op. cit. xli. p. 168, pi. i. fig. 4, 
Mamoni River. 
Anacyrtus argenteus, Val., described, p. 21 ; A. (lihcehoides) honariensis^ 
sp. n., p. 23, pi. viii. fig. 1, Buenos Ayres ; lihcehoides ruhrivertex, Cope, 
= A. a^inis^ Gthr., and is closely related to A. {lihcehoides) myersi, Gill, 
which is also described, p. 50. Id. 1. c. 
Anacyrtus {Cynopotamus) kneri, sp. n., = C. humeralis, Kner, ? 7iec 
Val., pp. 64 & 65 ; A. {lihcehoides) duyi, p. 61 ; A. {liheestes) alatus, p. 65 ; 
A. {Cynopotamus) 7nagdalence^ p. 62 (see Postscr. p. 77), pi. xii. fig. 2 : 
spp. nn., Magdalena River. Id. op. cit. xxxix. 
Luciocharax, g. n. Snout and shape of body as in Xiphostoina ; inter- 
ma.Killary and lower jaw very long, the lirst with two rows ot larger 
