Bull, U 5. F. C. 1894. Salmon Fisheries of the Columbia River. fTo face page 202.) 
Plate 20. 
Fig. 1. COTTUS PERPLEXUS, sp. nov. (Tyjie.) Skookiimcliiiek River, (llielioli.s, VVashiugl.mi. 
Fig. 2. COTTUS LEIOPOM US, sp. nov. (Type.i Little Vyinul River, Slio.sliuiie, Iilalm. 
