sharp edge. The tongue is thick, muscular, and sensitive. The whole
makes a wonderful instrument, unique among birds, for feelingly
manipulating a dainty morsel, shelling, peeling, and slicing, until
nothing is left but the sweetest part of the core. Of all gourmands
Polly is the most shameless waster.

Long before land, trees, and air had been exploited the primitive bird
must have discovered the harvest of the waters, and here the competition
has been very keen indeed. Yet the form of bill most in use is very
simple--just a plain pair of forceps, long and sharp-pointed like
scissors. This is evidently hard to beat, for birds of many sorts use
it, handling it variously. The kingfisher plumps bodily down on the
minnow from an overhanging perch; the solan goose, soaring, plunges from
a "pernicious height"; the heron, high on its stilts, darts out a long
and serpentine neck; the diver, with similar beak and neck, but
different legs, pursues the fleeing shoals under water; to the swift and
slippery fish all are alike terrible in their certainty.

There are, however, other varieties of the fishing bill. Some have a
hook at the point, as that of the cormorant, and some are straight at
the top, but curved on the under side. This last form is handy for
storks, which do not pluck fish out of water so much, but scoop up
frogs, crabs, and reptiles from the ground. The ridiculous bill of the
puffin, or sea-parrot, is an eccentricity. There may be some idea in it,
but I suspect it is an effect of vanity merely, being coloured blue,
yellow, and red, and quite in keeping with the other absurdities of the
wearer.

Apart from all these and by itself stands a princely fisher whose bill
is no modification, but an original invention and a marvellous one.