108 THE ORIENTAL DACTYLOPTERUS. 



tion of " volitans" and some others of nearly similar 

 signification, lias been applied. It is in those fishes 

 only to which the name of " flying-fish," par ex- 

 cellence, has been given, that use their pectoral fin 

 for the purpose of a temporary absence from the 

 waters, exemplified by tne 



