U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 85 PLATE 37 



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Species and Subspecies of Chondropoma (X4) 



1. (Chondropomartes) irradians irradians: 2, (Gutierrezium) montanum; 3, (C.) portuandoi: i, (C.) presasianui 



presasianum; 5, (C.) p. canasiense. 



