PLATE IfI 
Fig. 1. Microglanis zonatus Higenmann and Allen, sp. nov. 15890, type, 
24 mm., Rio Morona. 
Fig. 2. Pectoral spine of the same. 
Frias. 3 AND 4. Chasmocranus peruanus Eigenmann and Pearson, sp. nov. 
15869, type and paratype, 60 and 63 mm., Puerto Melendez. 
Fia. 5. Pimelodella peruana Eigenmann and Myers, sp. nov. 15868, type, 
52 mm., Inahuaya, R. Ucayali. 
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