ist's
Union order instead of their average first appearance. They have all been
seen, however, in Lincoln Park by the authors.

115. HORNED GREBE. 14 in.
(Colymbus auritus. 3.)

Brownish, sooty black, extending in narrow line up _back of neck_; rest
of neck, sides and upper breast rich chestnut-brown; _silky_ white below;
head and chin deep black, set off by buffy "horns" or crests, which slant
abruptly backwards from the eyes; black bill, tipped with yellow; eye,
red. Winter Plumage: Black parts sooty; brown replaced by white; grayer
below; crests and ruff less conspicuous. *Pied-billed Grebe.

116. PIED-BILLED GREBE. 13-1/2 in.
(Podilymbus podiceps. 6.)

Brownish-black, showing gray on head and neck; belly, dusky white,
otherwise brownish below; black throat-patch and a conspicuous black band
across bill. Winter Plumage: Throat whitish; browner below; no band on
bill. *Horned Grebe.

117. LOON. 33 in.
(Gavia imber. 7.)

Black, showing greenish on head and neck, spotted with square or oval
patches of white on back and wings and striped with white in front of
wings; white below; two conspicuous white-striped bars across the black
neck give the effect of a _broad black collar_; tail, very short; eye,
red; large black bill, long and pointed; dives and sinks like the
_Grebes_; note, an eerie, prolonged cry.

118. AMERICAN HERRING GULL. 24 in.
(Larus argentatus smithsonianus. 51a.)

White; wings and back, pearly blue-gray; bill yellow, showing a small
vermillion spot on either side; the longest wing feathers are partly
black, marked and _tipped with white_; the closed wing therefore shows
black towards the end, marked with a regular line of white spots and
tipped with white at the extreme point; eyelids, bright yellow; looks
large and heavy in flight. Winter Plumage: Streaked on head and neck with
gray. Immature Plumage: Dark and much streaked with brownish; bill
darker. *Ring-billed Gull.

119. RING-BILLED GULL. 19 in.
(Larus delawarensis. 54.)

Similar to the _American Herring Gull_, but _smaller_; bill,
greenish-yellow, bright at tip, _banded with black around the middle_;
wing tipped at extreme point with black; feet greenish-yellow; eyelids
vermillion-red. *American Herring