1t 
NORTH AMERICAN BIRDS. 
a. Never crested. Breeding plumage: Chin, throat, and fore-neck, with top and 
sides of head, sooty black ; sides of neck and a broad stripe along each side of 
occiput, pure white; white stripes on side of occiput not extending forward 
of the eye; upper back streaked laterally with white. Winter plumage: Whole 
throat white; stripes on sides of occiput and streaks on upper part of back 
wanting. Length 9.50-10.80, wing 5.25-5.50, culmen .60. Egg 2.42 X 1.55, 
elongate-ovate, buffy (variable in shade from nearly white to almost an 
isabella-color), speckled or otherwise marked all over with deep brown and 
lavender-gray. Hab. Coasts of the North Pacific, from Japan and southern 
Alaska (Sitka) northward...... 21. S. antiquus (GmeL.), Ancient Murrelet. 
a’, Crested in the breeding season. Breeding plumage: Fore part of crown with a 
(2) 
loose crest of slender, lengthened feathers slightly curved or nearly straight ; 
upper half of throat velvety plumbeous, with a truncated posterior outline ; 
ear-coverts deep plumbeous; white stripes on sides of top of head extending 
forward far beyond the eye; upper back not streaked with white. Winter 
plumage: Whole throat and malar region white, the chin, only, plumbeous; 
no white on top of head, and no crest. Downy young: Above brownish gray, 
the back and rump indistinctly streaked with grayish white; lower parts, 
including chin, entirely pure white. Length about 9.50-11.00, wing 5.10- 
5.50. Hab. Coasts of the. North Pacific, from Japan (and Washington Ter- 
ritory ?) northward. (Very doubtfully American.) 
22. S. wumizusume (TEmm.). Temminck’s Murrelet. 
Genus BRACHYRAMPHUS Branpr. (Page 9, pl. VI., fig. 2.) 
Species. 
Common CHaractErs.—Size small (wing less than 5.50); bill small and slender, 
much shorter than head (mot longer than the short tarsus), compressed, and 
pointed ; culmen gently curved, gonys nearly straight; plumage very plain, with- 
out ornamental feathers about head at any season. 
@. Tarsus shorter than middle toe, without claw. 
6'. Exposed culmen about equal to inner toe, without claw; secondaries and 
outer tail-feathers entirely dusky. 
¢. Culmen .70 or less. Summer adult: Above dusky, barred more or less 
with deep rusty ; beneath mixed white and sooty brown, in varying 
relative proportion. Winter plumage: Above slaty, interrupted by a 
white collar across nape; scapulars mixed with white, and feathers 
of back, ete., tipped with plumbeous; entire lower parts pure white, 
the orbital and superciliary regions dusky, like top of head, and 
outermost feathers of flanks striped with dark grayish. Young: 
Above uniform dusky, with indistinct white collar and scapular. 
patches; lower parts white, transversely mottled with dark sooty ; 
bill much smaller and weaker than in adult. Length 9.50-10.00, 
wing about 5.00, culmen .60-.70, tarsus .70, middle toe .92-1.00. Egg 
