FISHES OF THE FAMILY LORICARIID. 305 
eye about 14 times, interorbital width 4{-43 times. Length of produced part of snout 
4—4> times in the distance from its tip to the anus. Sides of head, in males, strongly 
99 9 
bristly. 33-34 scutes in a longitudinal series, 15-16+17-18; 8 or 9 between 
supraoccipital and dorsal ; abdomen without median series of plates, except 1 or 2 
anteriorly. Fin-rays with dark spots; caudal with some large blackish blotches. 
Total length 140 mm. 
Four specimens: Venezuela. 
6. FARLOWELLA AMAZONUM. 
Acestra amazonum Giinth. Cat. Fish. vy. p. 261 (1864). 
Farlowella carinata Bigenm. & Kigenm. Proc. Cal. Ac. (2) ii. 1889, p. 82, and Occ. Pap. Cal. Ac. 
i. 1890, p. 356. 
Farlowella amazona Kigenm. & Eigenm. t.c. p. 33, and t.c. p. 358. 
Length of head 32-54 times in the total length, distance from supraoccipital to base 
of first dorsal ray 53-53 times. Breadth of head 34-52 times in its length, diameter 
of eye 15-20 times, interorbital width 44-5 times. Length of produced part of snout 
3 times in the distance from its tip to the anus. Sides of head without bristles. 
34 scutes in a longitudinal series, 14+ 20; 7 scutes between supraoccipital and dorsal. 
Abdomen without median series of plates, except for one anteriorly; region between 
mouth and pectorals covered with small irregular plates. All the fin-rays with dark 
spots ; each caudal lobe with a blackish stripe. 
Total length 210 mm. 
‘wo specimens: R. Amazon. 
7. FARLOWELLA GLADIOLUS. (Plate XX. fig. 2.) 
Acestra gladiolus Ginth. Cat. Fish. v. p. 261 (1864). 
Farlowella gladiola Kigenm. & Eigenm. Proc. Cal. Ac. (2) ii. 1889, p. 33, and Oce. Pap. Cal. Ac. 
i, 1890, p. 356. 
Length of head 3-33 times in the total length, distance from supraoccipital to base 
of first dorsal ray 53-64 times. Breadth of head 5-5} times in its length, diameter of 
eye 18-20 times, interorbital width 63-7 times. Length of produced part of snout 
24-24 times in the distance from its tip to the anus. Sides of head without bristles. 
33 scutes in a longitudinal series, 13-14+4+19-20; 7 between supraoccipital and 
dorsal. Abdomen without median series of plates, except one anteriorly; region 
between mouth and pectoral with 4 series of plates, 5 in each series. All the fin-rays 
with dark spots; each caudal lobe with a blackish stripe. 
Total length 128 mm. 
‘'hree specimens: Rio Cupai (Amazon System). 
Lo 
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