764 BULLETIN 50, UXITED STATES NATIONAL MUSEUM. 



corner of the nasal cuirasses. This piece seems to correspond to 

 the ^orlet' of the bill of the FraterculinseJ' (4) A small depressed 

 and angle-shaped space behind and below the "orlet" and above 

 the cuirass, between these two pieces and the feathering"" 



Plumage and coloration. — Adults with a line of elongated acicular 

 erectile white feathers, originating immediately beneath lower eye- 

 lid and extending thence obliquely backward and downward across 

 side of head to below the auricular region. Head, neck, upper parts, 

 sides, and flanks plain dusky: rest of underparts white. 



Range. — Coasts of the northern Pacific Ocean, Bering Sea, and ad- 

 jacent parts of Arctic Ocean; south in winter to California and 

 Kuril Islands, (Monotypic.) 



PHALERIS PSITTACULA (Pallas). 



PAROQUET AUKLET. 



Adults in hreeding plumage (sexes alike). — Upper parts plain dull 

 slate-blackish, gradually passing into dark hair brown or grayish 

 fuscous on chin, throat, and foreneck (sometimes chest also), the sides 

 and flanks uniform gra^ash fuscous; rest of underparts immaculate 

 white, the chest, however, usually more or less clouded with grayish 

 fuscous; whole undersurface of wing plain grayish brown (between 

 hair brown and fuscous), some of the larger coverts (sometimes, at 

 least.) with a narrow shaft-streak and small terminal spot of grayish 

 white; elongated acicular plumes extending iji a line from lower 

 eyelid backward and downward across auricidar region, white; 

 bill orange-red or salmon-red (darker in dried skins), the nasal shield 

 dark horn color, the tomial tumor pale flesh color (in Ufe); iris white; 

 legs and feet pale bluish gray or bluish white (in life), the side of 

 tarsus and toes blackish, webs blackish centrally, and joints of toes 

 dusky; interior of mouth whitish.^ 



Winter plumage. — Similar to the summer (breeding) plumage, but 

 throat, foreneck, sides, and flanks white, like rest of underparts, 

 or partly so, and white auricular plumes wanting. 



Young. — Similar to the winter plumage, but bill smaller and 

 duUer rod (inclining to brown), and entire underparts, including 

 throat and foreneck, immaculate white. 



Downy young. — Above uniform deep brownish gray or sooty gray- 

 ish brown, the chin, throat and chest similar but paler; rest of under- 

 parts pale brownish gray. 



a Quoted from Stejneger, Bull. U. S. Nat. Mus., no. 29, 1885, 41. 

 &Stejneger, Bull. U. S. Nat. Mus., no. 29, 1885, 40. 



