10 NORTH AMERICAN BIRDS. 
terior end; secondaries sharply tipped with white. (Subfamily 
Alcine.) 
d. Bill narrow, the culmen slightly or gently curved, both mandibles 
destitute of grooves; tail rounded, the feathers not pointed. 
(U7 100.) .esececsseececsnteeeeeenaneseneneaneneesesaees Uria. (Page17.) 
d?. Bill very deep, much compressed, culmen strongly curved, and one 
or both mandibles transversely or obliquely grooved (except in 
young); tail graduated, the feathers pointed. (Alce@.) 
é. Size medium (culmen less than 1.50); bill much shorter than 
head, the lower mandible with not more than two grooves, 
or none; wings well developed, admitting of sustained flight. 
Alca. (Page 18.) 
&. Size very large (culmen more than 3.00); bill as long as the 
head, the lower mandible with numerous grooves; wings 
rudimentary, not admitting of flight.. Plautus. (Page 19.) 
. Angle of chin much nearer tip of bill than to nostril. (Subfamily Alline.) 
Bill very short and broad, the culmen much curved; size very small 
(wing less than 5.00); secondaries sharply tipped with white. 
Alle.’ (Page 19.) 
Genus LUNDA Pattas. (Page 8, pl. IIT, fig. 1.) 
Species. 
Above uniform sooty black, lower parts sooty grayish, the feathers of breast 
and belly grayish white beneath the surface, this color sometimes showing through, 
and breaking the continuity of the dusky. Nuptial plumage: Anterior portion of 
side of head white; springing from each side of the crown, immediately above the 
eye, a thick pendent tuft of lengthened, silky, straw-colored feathers; terminal 
half of bill bright red, basal portion olive-yellowish; feet bright scarlet (in life). 
Winter plumage: Side of head wholly dusky, but lighter in region of insertion of 
the nuptial tufts, which are wholly absent; basal deciduous horny covering of bill 
replaced by soft, dusky brown skin; feet flesh-color (in life). Young, first winter : 
Similar to winter adult, but upper mandible destitute of grooves, and nuptial tufts 
present in a rudimentary condition but of a light brownish color; terminal portion 
of bill inclining to brownish orange-red. Young, first summer or autumn: Bill 
smaller, narrower, and browner in color; nuptial tufts wanting. Downy young: 
Uniform dark sooty grayish, or blackish. Length 14.40-15.60; wing 7.75; culmen 
1.30-1.45. Egg 2.86 X 1.92, more or less ovate, white (sometimes tinged with pale 
buffy, pinkish, or brownish), usually more or less marked round larger end with 
faint spots, splashes or streaks of pale brown, or lavender-gray, or both. Hab. 
Coasts and islands of the North Pacific, from southern California to Alaska, and 
from Bering’s Strait to Japan; accidental in Bay of Fundy and Kennebec River, 
MSN Gio sdsscacvevsawenscaaseeveastareasecsavessesseoies 12, L. cirrhata Panu. Tufted Puffin. 
1 Alle Link, Beschr, Nat. Samml. Univ. Rostock, i. 1806, 46 (not p. 17, as given in A, O. U. Check List). 
