U. S- NATIONAL MUSEUM 



PROCEEDINGS, VOL. 85 PLATE 33 



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Species and subspecies of Chondropoma (Chondropomorus) (X4) 



1, delatreanum bonacheum: 2, d. santnfeum: 3, d. delatreanum: 4, revinctum revinctum: 5, canescens alleni; 



fi. r. hiserraniim: 7. c. ptrpkium: 8, c. canescens: 9, c. nipense. 



