28 
snout 1 % its distance from base of caudal; its 
origin but little behind veutrals. 
Height of dorsal about equal to length o snout; 
caudal broken (somewbat longer as the distance from 
tip of snout to eye); pectoral equals snout and eye ex- 
tending for one fourth of their length beyond origin of 
ventrals; veutrals 1 ^ in pectorals, reaching to the azygous 
plates in front of anal; anal a very little longer than 
ventrals. Uniform straw color, everywhere minutely 
punctate. 
Type: A specimen 07 mm. long; Rio Tietê, São 
Paulo. * 
Loricaria piraeieabae n> sp- 
D. I, 7 ; A. I, 5; lateral line 33 ; head (to end of 
opercle) 5 ; depth 12 width at origin of dorsal equals 
snout and eye. 
Lips profusely studded and fringed with tenta cies; 
barbeis moderate, not reaching gill-openings; no anal 
plate. Snout pointed, three or four teeth in the upper 
jaw, graduated, the middle one longest; five or six teetli 
in the lower jaw, all of them short. Abdômen and tho- 
rax entirely covered with small granular plates. 
Pectoral spine not reaching ventrals. Width at 
origin of anal 4 in distance of origin of anal to caudal. 
Width of head at opercles equals its length to the 
same point; depth of head 2 8 / õ in its length ; eye a 
little less than interorbital, G in head ; interorbital con- 
