510 



THE DIVING BlUUS — PYUOPODES. 



Fhaleris pygmoens. 



THE WHISKEBED i UK. 



Alcapygmnn, Gmki,. S. N. I. ii. 1788, .IS.'i (— young; based on Pygmy Auk, Penn. Arct. Zool. 



no. 431). 

 SiiiKii-hymhiis pygmaus, Bkaxdt, Mel. Zool. vii. 1869, 228. — Uinow. Pr. U. S. Nat. Mus. 1880, 



211 ; Norn. N. Am. W. 1831, no. 749. — C'ouks, 2''. (.'heck List, 1882, no. 8G0. 

 Aloi. Kiualschitlica, Lki'Kciiis, Nova Acta Putioi). Xll. 1801, 309, pi. 8 (^ atlull). 

 Pluilirisctimlschatiai, Rr.ANDT, Bull. Ac. St. IVtcrsb. II. 1337, 347. — Cassin, in Uaird's 15. N. Am. 



18,18, 908. — lUiiii), Cat. N. Am. 15. 18.".9, no. 721. 

 Simofhyiii-lnis einiilin-haticm, Siiii,i:(i. Mus. P.-I5. Prin. 1867, livr. ix. p. 25. — CouEs, Pr. Ac Nat. 



Sci. Philail. 1868, 41 ; Key, 1872, 342 ; t'li.'ck List, 1873, no. 623. 

 Uria mystiicca, rAi.i,. Zoo^'. l!osso-As. II. 1826, 372, pi. 89. 

 Pkaleris cristate! la, Tk.m.m. PI. Col. 200 (not of authors). 

 Mormon siiperciliosum, Licht. Vimz. Doiibl. 1823, 89. 

 .Simorliynchits Cussini, Coi'K.s, Pr. Philail. AuaJ. 1868, 44 (Ounimak Pass, Aleutian Islands ; = 



young). 



Hah. Coa-sts and islands of the North Pacific, from Unala.shka throuyh the Aleutian chain to 

 Kanitschatka. 



Adult $, nuptial plwnwgc (SSfil?, Atkha Islanil, Aleutian chain, June, 1879 ; L. M. Turneu): 

 Above, glossy blackish slate, appearin},' more plumbeous in certain lights, especially on the rump ; 

 wings and tail dull brownish black. Lower pints sooty plumbeous, darker anteriorly, and nearly 

 white posteriorly, the crissum being ((uite white ; entire sides and flanks unifonn deep, slightly 

 smoky, plumbeous, like the breast. Ih'ad ornamented by an erect, gracefully recurved crest of 

 narrow plumes of dull black, about 1.50 inches long (when straightened out); anterior half of the 

 lores covered with a triangular patch of pure white pointed feather-tip.s, this patch bifurcating 

 posteriorly, and continued in one branch downward and backward across the checks, the white 



Summer adult. 



Young, 



ttlamentous tips becoming very long and lanceolate or acicular posteriorly ; the upper branch 

 extending to each side of the crown, where spring three very narrow dull white, slightly recurved 

 fdaments, nearly as long as the crest, and origiiniting on the same transverse line as the latter ; 

 another .series of yellowish white filaments originates immediately beneath the eye, and extends 

 backward along the upper border of the auriculars, the posterior ones extending about un inch 

 beyond the terminal portion of the auricular region. Bill in dried skin dull, rather dark, coral- 

 red, the tii> fii-st dark grayish, then white ; in life, "deep vermilion, with bluish tij)" (TCRNEu): 

 " iris blackish blue " (Turxkr) or white (Stejneger) ; feet " dusky " in life, dark brown in dried 

 skin. Wing, 4.20 inches ; culmen, .35 ; greatest depth of bill, .30, width at base, .28 ; tarsus, .80 ; 

 middle toe, .85. 



(Another adult male from the same locality, and collected alx)ut the same date, is similar, except 

 that the superciliary filaments are jiure white, while the crest is light brownish gray. Wing, 4.10 

 inches ; culmen .30 ; greatest depth of bill, .30 ; tiirsus, .85 ; middle toe, .90.) 



