

AWIDJE — THE AUKS — URIA. 



477 



a. Lnmvia. Winj,', 7.45-8.80 iiichus (iivem-i', 8.24) ; culnifii, 1.4(")-l.r)0 (1.45) ; <,'oiiys, 

 .75-.!)() (.83) ; (k'i)tii of l)ill tluoiiKh fiii','lc, .52-.,58 (.55) ; tarsus, 1.40-1.55 (1.45) '; 

 luidiUc tuo, 1.05-1.75 (1.70). Ji'ib. NoiMi Atlantic, south to New .Jor.sfy ; Aiutic 



Ocean. 



^. Arm. Win^r, 8.15-0.25 inches (aveni-o, 8.71) ; cnlnien, 1.4.5-1.75 (1,(15) ; «onys, ,8.-i 

 1.00 (.92) ; depth of bill tliroiigh an,^le, .55-.t)0 (.58) ; tarsus, 1.45-l.UO (1.51) /niiddl 

 toe, 1.70-1.90 (1.81). J/ub. North I'acilic. 



Uria troile. 



THE COMMON GUILLEMOT. 



U. troile. {summer and lointcr plumages). 



Coh/mhits trnilr, Linn. Faun. Succ. cd. ITOl, .S-J ; S. N. I. 17(10, 220. 



Urin troile, Lath. Ind. Oni. II. 1790, 700, no. 1. —Dp, Kay, N. Y. Zool. II. 1844, Birds, 279. 



Ca/armelr.t trnille, Buyani', Vv. Boston Soc. 1801, 0, (ij;. 2ii. 



Uria {Loiiiria) troile, BitANnr, Bull. Ac. St. Pctcrsb. 11. 18^7, 345. 



Umria troile, Corr.s, Vr. Ac. Nat. Sci. ridlii.l. 18ii8, ~» ; Key, 1872, 34(i ; Check List, 1873, no. 



634; ed. 2, 1882, no. 874. — Bii.ow. Norn. N. Am. B. 1881, no. 763. 

 Uria lomvia, BiiiiNN. Oiii. Bor. 1704, 27, no. 108. — ( 'ass. in Baird's B. N. Am. 1858, 913. — BAinn, 



Cat. N. Am. B. 18.''.0, no. 729. 

 Colijmbus minor, Omki.. .S. N. I. ii. 1788, 585 (part). 



?' Uriariiuivia, Brunn'. Orn. Bor. 1764, p. 28, no. Ill, — Baiiii), Cat. N. Am. B. 1858, no. 730. 

 tUria (Lomvia) rinejvia, Bisanmit, Bull. Ac. St. Pctersb. II. 1837, 345. 

 fLomviarimjvia, Couics, Pr. Philad. Acad. 1868, 77. 



Uria rinffvia, Cass, in Birds X. Am. 1858, 914 (description and part of specimens enumeratod). 

 ? Ctitiirratten ringriii, Buyakt, Pr. Boston Soc. 1861, 8. 

 Uria alga, BuiJNN. 1. c. no. 112. 



• The nanica preceded by an interrogation point refer to the form known as Uria ringvia. 



• 



