DISTRIBUTION OF GENERA. 

 Distribution of Genera — Coutiuued. 



89 



*Vaillantia (Jordan), gen. nov.: typo Buleosoma Camurum Forbes. This genus differs troin lio. 

 leichthys in having the upper jaw protractile, and the anal spines very feeble. From Boleosoma, with 

 ■which it agrees in these respects, it is distinguished by the incomplete lateral line. It is named for 

 Prof. Loon Vaillant, of Paris, whose thoroughly excellent monogrp ph of the Etheostomatidce is still the 

 atarting-point for all work on that diCScult but most interesting group. 



