384 T. D. A. COCKERELL. 



EXPLANATION OF PLATE IV. 



FIG. 21. Tinea vulgaris. Constantinople. Brit. Museum. 

 FIG. 22. Schizothorax biddulphii. Lake Balyk-ky near Nijo. (St. Peters- 

 burg Mus.) Brit. Museum. 



FIG. 23. Lavinia exilicauda. Coyote Creek, California. Stanford University. 



FIG. 24. Phenacobius mirabilis. Bureau of Fisheries. 



FIG. 25. Notropis galacturus. Saltville, Virginia. Bureau of Fisheries. 



