what Cocky was to Bertie, a merry, innocent visitor, whose pretty plays and pranks cheered the dull days, whose love and confidence warmed his heart, whose presence grew more and more precious since its unconscious power made sunshine for the lonely man.
Such good times as they had! Such nice chats and stories, such laughs at very small jokes, such plans for summer, such fun feeding the sparrows, who soon learned to come to both windows fearlessly, and such splendid chapters as were added to "C. Twitter's Life and Adventures," with designs that half killed mamma with laughing.
The people in the house were much amused with the change in the Professor, and for a time could not understand what was going on up in that once quiet room. For the sound of little feet trotting about was heard, also a cheery child's voice, and now and then a loud bang as if a pile of books had tumbled down, followed by shouts of merriment, for Mr. P. could laugh capitally, after a little practice.
Stout Mrs. Bouncer, the landlady, went up one day to see what was going on, and was so surprised at the spectacle that met her eyes she could hardly believe her senses.
In the middle of the room was a house built of the
