PLATE XVII. 
Stances known of its having been taken of the length of six or eight 
feet, and the weight of one of that size must be very great. 
Above, the colour is of an ash colour, of various shades, accord - 
•ng to the age of the fish : faintly speckled, and rough, with little 
prickles ; beneath, it is entirely white. The Romans formerly made 
*-ise of the skin to polish their wood and ivory ; and the Turks, It is 
raid, make their best shagreen <?f it at this time. 
