Cope.] 690 [May 17, 
75. ScHizopoN TRIMACULATUS Kner. 
Coll. 1877. 
76. LEPORINUS vITTATUS Cuv. Val. 
Coll. 1877. 
77. LEPORINUS FREDERICI Bloch. 
Coll. 1877. 
78. LEPORINUS HYPSELONOTUS Giinth. Proceed. Zool. Soc. London, 1868, 
p. 244. 
Coll. 1877. 
79. LEPORINUS HOLOSTICTUS, sp. NOV. 
This handsome species is distinguished by the continuation of the very 
distinct brown cross bands on to the head, the first one covering the end of 
the muzzle. The depth of the body is about equal to the length of the 
head, entering the length Jess the caudal fin four and a quarter times. The 
orbit is large, its diameter entering the length of the head four times, and the 
interorbital width one and five-sixth times. Scales 6-41-5. Radii D. I. 11; 
A. 1.9; V.10; P. 14, reaching half way to ventrals, which originate below 
the fourth dorsal ray. There are eight teeth in each jaw ; those of the man- 
dible are small, excepting the median pair, which are much prolonged, and 
acute. The color is silvery, darker shaded above, crossed by seven black cross 
bars on the body, one additional on the nape, and two on the head. Those 
on the head are on the muzzle, and between the orbits ; the five behind the 
ventral fins pass entirely round the body. There is in addition a dusky 
shade at the emargination of the dorsal fin. Fins otherwise unspotted. 
Length M. .107; of head .026; to line of dorsal fin .049; to base of anal 
.082; to base of caudal .104. 
Coll. 1877. 
80. LEPORINUS MULTIFASCIATUS, Sp. NOV. 
Depth of body and length of head sub-equal, and entering the length 
less the caudal fin 3.66 times. The eye is large, its diameter being a little 
Jess than one-third the length of the head, and five-eighths of the interor- 
bital diameter. The length of the muzzle is five-sixths the length of the 
head posterior to the orbit. Scales 4-36-5. Radii; D. I. 11; A. IL. 10. 
Ventral fin below the fourth dorsal ray ; pectoral reaching half way to 
ventral, 
Color brown, with fourteen vertical darker brown bands, the first at the 
nape, the last near the base of the caudal fin, with its middle interrupted, 
the interruption being followed by a dark spot. Fins unspotted. Total 
length M. .065; of head .015; to line of dorsal fin .024; of anal .044; to 
basis of caudal .055. 
No other species presents the numerous cross bands of this one. 
81. HEMIGRAMMUS ROBUSTULUS Cope, Proceed. Amer. Philos. Soc. 1870, 
p. 561. 
Coll. 1873. 
