Plate XIX. 
Bull. U. S F. C. 1892. Fishes of Texas and the Rio Grande Region. (To face page 126.) 
HYBOPSIS /CSTIVALIS MARCONI IS Jordan & Gilbert. About twice natural size. San Marcos Kiver, San Marcos, Texas. 
A. H. Baldwin del. 
mWmwmm 
WlimmB 
wMWMWmm 
OPSOPCEODUS OSCULA Evermann, Type. Buffalo Bayou, Houston, Texas. A. H. Baldwin del. 
