Fisher: Hypophthalmid.e, Diplomystid.e, Silurid.^. 411 



7i4ia-e, C. M., five, 20-27 mm., Sao Joao do Barra, Rio Parahyba, 



June 24, 1908. Haseman. 

 7142a-/, C. M., six, 23-29 mm., Campos, Rio Parahyba, June 15, 



1908. Haseman. 

 69310-4, C. M., nine, largest 62 mm., Uruguayana, Feb. 7, 1909. 



Haseman. 



23. Pseudopimelodus acanthocheira Eigenmann & Eigenmann. 



71190-7, C. M., ten, largest 55 mm., Maciel, Rio Guapore, July and 

 August, 1909. Haseman. 



Fig. 2. Pseudopimelodus acanthocheira Fig. 3. Pseudopimelodus zungaro 



Eig. & Eig. a. Pectoral spine; h. Dor- (Humboldt), a. Pectoral spine; h. Dor- 

 sal spine; c. Premaxillary band of teeth. sal spine. 



24. Pseudopimelodus zungaro (Humboldt). 

 7118a, C. M., one, 135 mm., Piracicaba, Sept. 9, 1908. Haseman. 



25. Cephalosilurus fowleri Haseman. 

 6993a, C. M., one, 182 mm., Penedo, March 20, 1908. Haseman. 



26. Lophiosilurus alexandri Steindachner. 

 6992c, C. M., one, 40 mm., Januaria, Dec. 12, 1907. Haseman. 



27. Typhlobagrus kronei Ribeiro. 



729oa-c, C. M., three, 100-133 mm., Caverna das Areas, Nov. 28, 

 1908. Haseman. 



This species is very closely related to Pimelodella transitoria Ribeiro, 

 from which it differs in no essential character except the absence of eyes. 



