Not figured.
Bill about the same length as the head, rather slender, much
compressed, with the nasal plate somewhat carinate and concave; tail
much rounded, of fourteen feathers; bill yellow, with the nasal plate,
half of the unguis of the upper mandible, and the tip of the lower
black; feet yellow, claws brownish-black; plumage greyish-blue, paler
on the lower parts, neck, and head; primary quills and their coverts
blackish-grey. Differs from the last chiefly in the form and colour of
the bill.
Length, 18-1/2; wing, 13; tail, 5; bill, 2-1/12.
Off the Columbia River. Common.
Slender-billed Fulmar, Procellaria tenuirostris, Aud. Orn.
Biog. v. v. p. 333.
GENUS IV. PUFFINUS, Briss. SHEARWATER.
Bill of the length of the head, rather slender, nearly as deep as
broad at the base, much compressed toward the end, nearly straight,
being slightly recurved, with the tips decurved; upper mandible with a
cere at the base, extending narrow to the nostrils, which are dorsal,
each covered with a lateral convex plate, and opening anteriorly, with
an elliptical aperture, dorsal line as far as the nostrils nearly
straight, then suddenly deflected, afterwards slightly concave,
towards the end decurved, the ridge very broad and convex at the base,
narrower beyond the nostrils, from which a groove runs obliquely on
each side, sides convex, nearly erect, edges sharp, tip or unguis
strong, decurved, much compressed, very acute; lower mandible with the
angle very long and narrow, the dorsal line beyond it decurved, the
sides sloping outwards, the edges sharp and inflected, the unguis
decurved, acute. Head rather large, oblong; neck rather short; body
moderate. Feet rather large; tibia bare for a short space below;
tarsus of moderate length, compressed, reticulated with angular
scales; hind toe obsolete, but with a small conical deflected claw;
fore toes long, slender, connected by webs; outer toe slightly longer
than third. Claws arched, compressed, acute. Plumage full, close,
elastic, rather compact above. Wings very long, narrow, the first
quill longest. Tail of moderate length, graduated, of twelve rounded
feathers.