DISTRIBUTION OF GENERA. 



89 



Distribution of Genera Coutiuueil. 



* VAILL.XNTIA (jonlau), gen. nov.: type Holeosoma C'ainuriini Forbes. This geuus differs irom Bo- 

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

 which it agrees in t hesa respects, it is distinscaished by the incomplete lateral line. It is named for 

 Prof. L6on Vaill.int, of Paris, whose thoroughly excellent mono^r??!! of the Etheo&tomatidce is still the 

 t,!;:i tin^r-point f.>r all work on that difficult but most interesting group. 



