372 
FILEFISH. 
the colour is described as with streaks or clouds of blue^ yellow, 
and green, varied by reflections of violet, on a dusky ground; 
iris golden yellow, the pupil blue; and the surface of the body 
is said to be so firm and rough as to be capable of polishing 
wood or ivory; and when examined with a lens, in our example 
these rhomboid plates appear to be studded over with dots of 
a marble substance, but with little roughness of texture. 
