256 



BIRDS OF ILLINOIS. 



eases dotermine the species, C arcticiis being decidedly smaller; the two comparing 

 about as follows : 



The Black-throated Loou is essentially an lirctic bird, but is 

 said to be a very rare winter visitant to Lake Micliigan, thus 

 doubtless occasionally occurring- within the limits of Illinois. I 

 am not, however, able to cite any record of its actual occur- 

 rence, and Mr. Nelson mentions only specimens taken at Racine 

 and Milwaukee, Wisconsin. 



Its habits are essentially the same as those of the larger and 

 more common species {U. tmhi-r). 



Urinator lumme (Guun.) 



KED-THKOATED LOON. 



Popular synonym. Eed-throated Diver. 



C'oli/mhuf lumme Gunnek. Trond. Selsk. Skr. i, lilil, pi. ii, fig. 2.— Bru.sn. Orn. Bor. 1761. 



39 (adult). 

 Urinator lumme Stejn. Proc. U. S. Nat. Mus. Vol. 5, 1882, 43.-B. B. & E. Water B. N. 



Am. ii, 1884, 457 —A. 0. U. Check List, 188C, No. 11.— Eidgw. Man. N. Am. B. 1887, 8. 

 Volymhus septentrionaUs Linn. S. N. ed. 10,!, nm. 220 (adult).— Sw. & Eich. F. B.-A. ii,1831, 



476.- NuTT. Man, ii, 1834, 519.— AuB. Orn. Biog. iii, 1835, 20, pi. 202; Synop. 1839, S5<; 



B. Am. vii, 1844, 299. pi. 478.— Lawr. in Baird's B. N. Am. 1858. 890.— Baikd. Cat. 



N. Am. B. 1859. No. 701.— CouES.Koy, 1S72. 335; Cheek List. 1873, No. ti07; ed. 2, 1882, 



No. 814; B. N. W. 1874, 721.— EiDGW. Norn. N. Am. B. 1881, No. 740. 

 Columbus stellatus Brunn. t. c. No. 130 (young). 

 Columbus borfulis Brunn. t. c. No. 131. 

 Volymbus striatum Gmel. S. N. i,pt. ii, 1788, 586 (young). 

 C'olymbus rufogularis Meyer. Tasch. Vog. Deutseh. ii, 453 (adult). 

 Columbus microrhynchos Bbehm, Naum. v, 1855, 300. 



Hab. Northern parts of the northern hemisphere, breeding from Labrador and Mani- 

 toba northward. South, in winter, entirely across the United States. 



Sp. Char. Adult, summer plumage: Head and neck soft velvety eiucroous, the 

 crown streaked with dusky; nape dusky, streaked with white; a longitudinal, weilge- 

 shaped patch of rich chestnut covering the fore-neck, the lower, truncated, edge adjoining 

 the white of the cliest. the upper point rcacliing to the lower part of the throat. I'ppor 

 parts dusky slate, more or lo.ss speCKled with white. Lower parts entirely pure white. 

 except along the sides, beneath the wings, and on the crissum. where more or less mixed 

 with slate-color. Bill deep black, the extreme point yellowish, and the oulmou sometimes 

 bluish; iris carmine; "tarsi and toes bluish white, each joint of the latter, and the whole of 



