"But why was he called Little Silk Wing, Uncle Andy ?" His uncle looked at him in despair.

Then he answered, with unwonted resignation, "His wings weren't really any silkier than those of his tiny sister.

But he got hold of the name _first_, that's all.

So it was his! "When the two were first born they were so tiny as to be quite ridiculous--little shriveled, pale mites, that could do nothing but hang to their mother's breasts, and nurse diligently, and grow.

They grew almost at once to the same color as their mother, plumped out till they were so big as to be not quite lost in a thimble and developed a marvelous power of clinging to their mother's body while she went careering through the air in her dizzy evolutions.
"But when they were big enough for their weight to be a serious interference with their mother's hunting, then she was forced, most reluctantly, to leave them at home sometimes.