EIGENMANN: PIMELODELLA AND TYPHLOBAGRUS 247 
the base, in the larger from the middle both ways. Width of occipital process 4 
in its length. Caudal 4 in the length. Lateral band variable, continued or not 
continued to snout and on the tail. 
In 6987 the teeth of the pectoral spines, 7 in the smallest, 12 in the two larger, 
are distinctly smaller than in 6982, but they are otherwise very similar, and the teeth 
are much larger than in the specimens from the Itapicuru = itapicuruensis. 
20. Pimelodella vittata (Kroyer). 
Pseudorhamdia vittata (KRGyER) LirKen, Velhas-Flodens Fiske; Dan. Vidensk. 
Selsk. Skr., 1874, p. 34 (Rio das Velhas); 1. ¢., 1875, p. 173, with fig. 
Pimelodella vittata KrGENMANN & EIGENMANN, Proce. Cal. Acad. Sei. (2), I, 1888, 
p. 1383; Occasional Papers Cal. Acad. Sci., I, 1890, p. 159 (Rio Sao Francisco; 
Minas Geraes, Sio Matheo; Rio Jequitinhonha); Proc. U. 8S. Nat. Mus., XIV, 
1891, p. 29; EtgenmaNnn, Reports Princeton Univ. Exped. Patagonia, III, 
1910, p. 389. 
Rhamdia vittata Rrperro, Fauna Bras., Peixes, IV, 1912, p. 272 (Rio das Velhas; 
Jaguara). 
Habitat.—Eastern Brazil from the Rio Sio Francisco to Sio Matheo. 
Mr. Haseman secured no specimens recognized as belonging to this species. 
4258 I. U. M., 69 mm., Rio Sao Francisco, Thayer Expedition. 
21. Pimelodella itapicuruensis sp. nov. (Plate XXXI, fig. 3). 
6974a C. M., type, 80 mm.; 6974b-m, paratypes, 72-104 mm., Queimadas, Rio 
Itapicurt, March 2, 1908. Haseman. 
6938a C. M., 76 mm., Rio de Jacobina into Rio Itapicurt, Nov. 9, 1907. Haseman. 
6940a-e C. M., 61-74 mm., Bom Fin, Rio Itapicuri, 6 miles north of Fazenda 
Amaratu, Nov. 2, 1908. Haseman. 
6975a—b C. M., Agua Branca, into Itapicurti, Nov. 6, 1907. Haseman. 
Habitat.—Rio Itapicurti, Eastern Brazil. 
Head 4.3-4.5; depth 6.5-7.5; D. 1.6; A. 12; eye 3.26-3.5; width of head 1.5 
in its length, depth of head at base of occipital process 1.66 in its length; adipose 
2.8-3.33; usually a little over 3 in the length; maxillary barbel extending to caudal 
in one, to end of adipose in one, to tip of pectorals in another, usually to some 
point above the base of the anal. Dorsal spine nearer the snout than anal; distance 
between tip of snout and dorsal fulerum 3.33-3.16 in the length. Dorsal spine 
slender, not equal to snout and eye; about 8 hooks in front, slightly roughened 
behind; pectoral spine about equal to snout and eye, with 8-12 short teeth along 
