[Illustration: Baltimore Oriole.]

"Mamma Oriole sits on the nest, which is almost
closed over her head, and keeps all safe. Though she
does not sing to House People, how do we know but
what she whispers a little lullaby like this, on stormy
nights, to her nestlings?

"Rains beat! Winds blow!
Safe the nest in the elm tree.
Days come! Nights go!
Birds at rest in the elm tree.
To-and-fro, to-a-n-d-fro,
Safe are we from every foe--
Orioles in the elm tree.
Cats come! Cats go!
Lullaby in the elm tree!

"Meanwhile B. Oriole does a great deal of work, for he is a tireless
member of the guilds of Tree Trappers and Ground Gleaners, eating hosts
of caterpillars, wireworms, and beetles. When he is very thirsty he
does, now and then, take a sip of the fruit he has helped to save, and
once in a while he may eat a few green peas. But would any one refuse a
mess of peas to a neighbor in the next house? Then why should you
begrudge a few to neighbor B. Oriole? He doubtless paid you for them
before he took them, or will do so before long.

"B. Oriole comes, north before his mate to be, and spends a few days in
fretting until she arrives. Then he sings a gladsome song, to tell her