260 Frerp Museum or Natura. History — Zoéxocy, Vor. X. 
without head; anal fin small, the anterior rays reaching past the tips of 
the posterior when deflexed, the longest ray notably longer than width 
of head; ventral fins reaching origin of anal; pectoral fins a little longer 
than the ventrals, reaching notably past the origin of the latter, 1.2 to 
1.25 in head. 
Color grayish above, pale below; back with 4 or 5 indistinct 
cross-bars, the first one under base of dorsal. Fins with dark spots on 
the rays. 
There are only 2 specimens in the present collection, the type and 
paratype, respectively 164 and 162 mm. in length. These were taken 
at the mouth of the Rio Capeti, tributary of the Rio Tuyra. 
Evidently very closely related to L. filamentosa seminuda Eigenmann 
& Vance. We have unfortunately no specimens of seminuda at hand, 
but through the kindness of Dr. Eigenmann we were enabled to exam- 
ine some photographs of this variety. These indicate that L. capetensis 
has the abdominal plates much more weakly developed, leaving more 
of the abdomen naked. The head appears to be narrower. Its width 
at gill-opening is equal to its length from that point to tip of snout in 
L. capetensis; in L. filamentosa seminuda the width of head at this point 
is greater than its length from there to tip of snout. Our specimens 
are somewhat smaller than the one from which the photographs at 
hand were made, and it may be that the differences indicated are due 
toage. In that case L. capetensis would become a synonym of the 
latter. 
16. Loricaria fimbriata Eigenmann & Vance. 
Loricaria fimbriata Eigenmann & Vance, in Eigenmann, Indiana Univ. 
‘ Studies, No. 16, 1912, 12 (Boca de Certegai & Bernal Creek, Co- 
lombia). 
Head 3.6 to 4.5; depth 12.3 to 13.5; D. I, 7; A. I, 5; lateral scutes 30 
or 31. 
Body depressed throughout; head of moderate width; snout acute, 
its margin granulate, 2.1 to 2.4 in head; orbital notch small; eye 5 to 
6.65 in head; interorbital 5.5 to 6; mouth small, teeth bifid, the inner 
cusp much the longer, each jaw with about 8 teeth on each side; the lips 
papillose, the margins serrate; barbel short; temporal and occipital 
plates and predorsal scutes striate and carinate; sides anteriorly with 3 
keels, the upper one present on about 11 scutes, the other 2 coming very 
close together, but not completely united, on the 2oth or 21st scute; 
ventral surface of head naked; abdomen laterally with a series of in- 
conspicuous granular plates and a few very small ones on median line 
of belly; 17 or 18 scutes from anal to base of caudal; origin of dorsal 
