473. 1. Alca impennis, Linn. Great Auk.

Plate CCCXLI. Adult.

Bill rather longer than the head, its dorsal line convexo-declinate,

upper mandible with a basal and eight terminal grooves, lower with

ten or twelve grooves; wings diminutive, much pointed, the primaries

tapering to an acute point, the first longest, secondaries broad,

scarcely longer than their coverts; tail short, of fourteen feathers;

bill black, with the grooves white; feet black; head, neck, and upper

parts black, the throat and sides of the neck tinged with

chocolate-brown, the wings with greyish-brown, the head, hind neck,

and back glossed with olive-green; fore part of neck below and all the

lower parts white, as are a large oblong patch before each eye, and

the tips of the secondary quills.

_Adult_, 29, 27-1/4.

Rare and accidental on the Banks of Newfoundland; said to breed on a

rock near that island.

Great Auk, Alca impennis, Nutt. Man. v. ii. p. 553.

Great Auk, Alca impennis, Aud. Orn. Biog. v. iv. p. 316.

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