U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. 94 PLATE 11 



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A, B, Lasiancistrus niaracaiboensis, new species: Holotype (U.S.X.M. No. 121038), 119 

 mm. in standard length; C, D, Cochliodon pospisili, new species: Holotype (U.S.N.M. 

 No. 121003), 66.6 mm. Photographs. 



