@array  [0]   %Hash { name => proteobacteria, 
                            size => 30
              [1]   %Hash { phylum => alphabacteria,  
                            size => 50  
              [2]   %Hash { name => cytophaga,   
                            size => 10

##</code><code>##

 @newarray [0]  %Hash {name => alphabacteria
                       size => 50