GENUS PLYCTOI.OPHUS. 
145 
that of the great body of the Psittacidse, the holes 
of decayed trees being the receptacle for the eggs 
and young. They are easily tamed when taken at 
an early age, but do not possess the imitative powers 
of the true Parrots, seldom being able to acquire 
more than two or three words besides their own pe- 
culiar note or cry of cockatoo. The first we have to 
notice is the 
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