The Daiaos 



known species of the genus. It is very common in the streams of 

 Porto Rico and is much used as food. It reaches a length of a foot. 



Colour, brownish above, scales very dark-edged on upper f of 

 side; under parts white; top of head dark; cheeks and opercles 

 white with brassy shades; axil black; a black blotch at base of caudal, 

 disappearing with age; dorsal spines dark; soft dorsal brassy at 

 base, pale at tip; pectoral and ventrals pale; anal yellowish, pale 

 at tip; caudal darker, yellowish at base; peritoneum black. 



The genus Joturus, characterized by the simple stomach and 

 the coarse truncate incisors, contains only one species. This is the 

 joturo or bobo (J. pilchard! ). This species of mullet is an in- 



habitant of mountain torrents in the larger islands of the West 

 Indies, also in Costa Rica, and about Vera Cruz and Panama. It 

 attains a length of 2 feet and is one of the largest of the family. 



It comes to the Havana market from the Rio Almendares and 

 is a food-fish of some importance. 



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