UNITED STATES & MEXICAN BOUNDARY 
FISHES 
( 37 ) PI. cxm. 
Figs. 1 -7. CYPRINODON ELEGANS, B. &. G. Figs 8-11. CYPR1N0D0N MACULARIUS, B. L G 
Figs. 12-18. C YPRINOD ON BOVINUS, B. & G. 
