27 Pisces. 
PISCES. 
Evanemus brachyiirus, sp. n., C/ope, 1. c. p. 676, Peru. 
Auchenipterus hrevibarbus, p. 676, isacanthus^ p. 677, spp. nn., Cope, 
1. c., Peru. 
Epapterus, g. n. Doradinre : distinguished from Evanemus by absence of 
adipose tin, absence of teeth, and rudimental soft part of first dorsal fin. 
E. dispilurus, sp. n., Cope, 1. c. p. 677, Peru. 
Hypoptoma gulare, sp. n., id. 1. c. p. 679, Peru. 
Chcenothorax, g. n. Callichthyiforra, with osseous dorsal and pectoral 
spines, a produced occipital shield, and 9-1 1 soft rays in the dorsal fin ; 
coracoid shields lateral, not covering abdomino-thoracic region. C. bi- 
carinatns, sp. n., id. ibid. Peru. 
Flecostomus robini, Gthr. & Steind. (nee C. V.), renamed P. wna?, 
sp. n. ; Steindachner, SB. Ak. Wien, Ixxvii. Abth. i. p. 383. 
Exostoma stoliczhce. Day, figured ; Day, Yarkand, pi. i. fig. 1. 
Eremophilus mutisii noticed and figured in “ Le Tour du Monde ” 
xxxiv. [Paris : 1877], p. 62. 
CflARACINID^. 
Pyrrhulina'argyrops, sp. n.. Cope, 1. c. p. 694, Peru. 
Elopomorphus, g. n. Curimatine Characinoids with an elongated fusi- 
form body ; rounded belly ; conic head with the operculum very oblique ; 
mouth terminal, and apparently transverse, but capable of considerable 
distension, the supra-maxillaries being quite movable and the mandible 
inserted under the eye ; the margins of the jaws trenchant; teeth none ; 
the dorsal median and above the ventrals ; the anal short ; the gill arches 
acutely bent and with prolonged limbs, and the gill-rakers very numerous 
and setiform. E.jordani, sp. n.. Gill, ‘Field and Forest,’ Bolivia. Cope 
ptates that this genus is identical with Anodus^ which he distinguishes 
‘for the first time’ from Curimatus, describing A. melanopogon and stea- 
tops, 1. c. p. 683, Peru ; spp. nn. 
Curimatus altamazonicus and trachystethi(s, spp. nn., id. 1. c. p. 684, 
Peru. 
Potamo[r\rhina, g. n., for Curimatus pristigaster, Steind. ; id. 1. c. p. 685. 
Prochilodus ortonianus, p. 685, cephalotes, p. 686, id. 1. c., Peru : spp. nn. 
Characidium steindachneri, sp. n., id. 1. c. p. 688, Peru. 
Schizodon Sagittarius^ sp. n., id. 1. c. p. 689, Peru. 
Leporinus holostictus and multifasciatus, spp. nn., id. 1. c. p. 690, Peru. 
Tetragonopterus longior and diaphanus, spp. nn., id. 1. c. p. 691, Peru. 
Tetragonopterus alosa, Gthr., = maximus, Steind. ; Steindachner, SB. 
Ak. Wien, Ixxvii. Abth. i. p. 384. 
Creagrutus nasutus, Gthr., = Piabina peruana^ Steind. ; id. op. cit. 
Ixxviii. Abth. i. p. 384. 
Anacyrtus limeesquamis, sp. n.. Cope, 1. c. p. 686, Peru. 
XiphorrhampTius abbreviatus and heterolepis, spp. nn., id, 1. c. p. 687, 
Peru. 
Serrasalmo immaculatus, sp. n., id. 1. c. p. 692, Peru. 
Metynnis, g. n. 3Iyletes, with an external cultriform spine at base of 
dorsal fin as in Serrasalmo and Steihaprion. The premaxillary teeth are 
