FISHES- 



PLUMED TREVALLY, Caranx gallm, p. 169. 



W. Samlle-Eent, Photo. 



ECONOMICAL. 



=HE marvellously varied fish fauna of the Australian seas and rivers would 

 require a book, not to say volumes, to do it justice. Within the brief 

 space at present at disposal, little can be attempted beyond an out- 

 line sketch of its leading features, and an indication of those among its multifarious 

 representatives which, with regard to their economic utility, bizarre contour, or 

 remarkable habits or alliances, stand out pre-eminently among the fishes of the 

 world. 



Viewed in its entirety, the fish fauna of Australia is found to allow of a 

 fairly equal separation into two primary regional subdivisions. The first of these, 



embracing the denizens of the tropical sea-board and estuaries of the Australian 

 u 



