were all resolved into one and the same--the Flicker or Golden-winged
Woodpecker. The Hang-nest and the Oriole became one. The unknown
poisonous-looking blue Hornet, that sat on the mud with palpitating
body, and the strange, invisible thing that made the mud-nests inside
old outbuildings and crammed them with crippled Spiders, were both
identified as the Mud-wasp or _Pelopæus_.

A black Butterfly flew over, and Yan learned that it was a Camberwell
Beauty, or, scientifically, a _Vanessa antiopa_, and that this
one must have hibernated to be seen so early in the spring, and yet
more, that this beautiful creature was the glorified spirit of the
common brown and black spiney Caterpillar.

The Wild Pigeons were flying high above them in great flocks as they
sat there, and Yan learned of their great nesting places in the far
South, and of their wonderful but exact migrations without regard to
anything but food; their northward migration to gather the winged nuts
of the Slippery Elm in Canada; their August flight to the rice-fields
of Carolina; their Mississippi Valley pilgrimage when the acorns and
beech-mast were falling ripe.

What a rich, full morning that was. Everything seemed to turn up for
them. As they walked over a piney hill, two large birds sprang from
the ground and whirred through the trees.

"Ruffed Grouse or 'patridge', as the farmers call them. There's a pair
lives nigh aboots here. They come on this bank for the Wintergreen
berries."

And Yan was quick to pull and taste them. He filled his pockets with