URiA Lo:\rnA. 1 1 



URIA LOMVIA. 

 Brunnich's Guillemot. 



UrIA LOMVIA LiNX., i^VSt. Nut., I, 17(iG. 



DESCRIPTION. 



Sp. Cii. Form, ratlior slonilcr. Size. large. Bill, pointoil, ami the liasal portinn of tlie upper iiiamli- 

 l)le is greatly thickened. 



Color. Aiui.t. Head and neck all aiMuinl. iijiperjiarts and sides, sooty lilaek. Tips of .secondaries 

 and under parts, white. Iris and feet, brown, the latter yellowish on the inside. Ijill, hlack. with the thick- 

 ened portion at base of cutting edge of u])pcr mandible, yellowish. 



Wlvter Adi'LT. Similar to the summer dicss, but vitft the central iiortion of the throat, often to the 

 chin, more or less mixed with white. 



Yorxd LV WLXTKK. Similar to the winter adidt, but with the u liite of the lower neck greatly e.xtended, 

 ami reaching nearly to tlic eyes. 



ORSERYATKJNS. 



. Distinguished at once from the preceding species, by the darker color above, ( sooty black, not brown. ) 

 which prevails in all stages, cxceiiting, perhaps, in the dtuvny young; and in fully grown birds, by the swol- 

 len, light colored or yellowish basal jiortion of the cutting edge of the upper mandible. Brecils from the 

 Gulf of St. Lawrence, northward: ranges south in wniter, at least to New Jersey. 



DIINIENSIONS. 

 Measurements of specimens. Length, 18-.50 to ID'lli); stretch, 2!>.-)(^ to 3()'()(); wing, ~-2'> to s-m); tail. 

 2•(^) to l'-.-.(); bill, l-7(> to l-?.".: tarsus l-4(» to Mi.-). 



DESCRIPTION OF NESTS AND EGGS. 

 Ejus, placed on rocky cliffs, one in nundicr. iiyriform ni sluijie, varying from white to bluish green in 

 color, spotted, blotched, and lined, with brown and black. Dunensions. from l'7.">x L''!t<) to I'-l.-ix o-4."). 



HABITS. 

 Diuiuo- iii\- vi.sit to ])ir(l Uock in I87;l, as recoidcd in thu i)rect'(liiio; aitic-lcs, I round 

 Brunuich's Guillemot not at all coniinon; in fact, it was ditticult to jn'ociire specimens tlien. 

 Subsequent collections tVoni the same place, show that the state of afliiirs has become 

 quite ditlerent, the Murre now being the most rare and the present species the most nu- 

 merous. In l)i-eeding haljits, this species does not apjjcar to difier from the other two 

 (luilleniots with which it associates. In niioration, Innvever, tliese birds varv somewhat, 

 Bruunichs (iuillcmots beinu- found on our coa.st at that tune, while the Mui'ivs arc vci'v 

 rti'e, and it is possible that they remain further north. 



URIA RINGVIA. 

 Ringed Guillemot. 



Uru rixgvu Brun., Orn. Bur., I, l7tU, 704. 



Fig. 2, page, 12, head of atlult in summer. 



DESCRIPTION. 



Si>. ClL Form, rather slender. Size, large. Bill, pointed, but the base of the cutting edge of the up- 

 jier mandible is not swollen. 



Color. Awlt. Head and neck all around, upjier jiarts, and sides, sooty brown. Tips of secondaries, 

 r.ndi'r ]iarts. and ring around eye, extending in a line back from it, white. 



