"`_R.B.G_.' What do these initials stand for, I wonder ?" "It is not difficult to tell that," knowingly answered Karl.

"_Royal Botanical Garden_! What else could it be ?" "Nothing else.

For certain, these two birds must be the same we used to see there, and with which we so often amused ourselves!" "The same," asserted Karl.

"No doubt of it." "And Fritz must have recognised them too--when he made that unprovoked attack upon them! You remember how he used to quarrel with them ?" "I do.

He must not be permitted to assail them any more.