262 BIRDS OP ILLmoiS. 



Colymbus cornulus Gmel. S. N. i, pt, ii, 1788, 591, 



Podlceps cornutus Lath. Ind. Orn. ii. 17yj. 783.-3w. & Rich. F. B.- A. ii, 1831. 411.— Ntm 

 Man. ii, 1834. 251.— AUD. Orn. Biog. lii, 1835. 423, pi. ^59; Synop. 1830, :i57; B. Am. 

 vii, 1844, 316, pL 481.— Lawb. in Baird's B. M. Am. 1858, 895 — Baibd. Cat. N. Am. B. 1855. 

 No. 70G.— CouEB. Key, 1872, 337; Check List. 1873. No. 611; Birds N. W. 1874, 73L 

 Podlcipes cornutus COUES. 2d Check List, 18S2. No. 848. 

 Col'jmbu.^ obscurus Gmel. y. N, i, pt. ii. 1788, .592. 



Colymbus caxpicus 3. G. Gmel. Reise, iv. 1771-1734,137.— Gmel. 8. N. I, pt. ii. 1783,593. 

 Fodiceps bicornis Bkehm. Vog. Deutschl. 1831, 9C. pi. 44. fig. 4.- 



Hab. Northern hemischere in general. Breeds in the northern Unied States and 

 northward. 



Sp. Char. Adult, breeding -plumage: Head generally, including the fluffy tufts 

 on each side of the upper neck, slightly glossy dull greeni.?h black, .becoming grad- 

 ually dull sooty slate on the forehead: lores dull ochraceous-ru:ous, communicating 

 with a broad superciliary stripe of bright ocbraceous, v,-hich continues, gradually 

 widening, to the sides of tUe ocoiput; fore-neck rich rufous. Upper parts dusky, the f .-ath- 

 ers sometimes with indistinctly paler margins; secondaries chieHy or entirely white. 

 Lower parts white, the sides mixed chestnut-rufous and grayish dusky, ' 'Bill bluish 

 blacK.its tip yellow; short loral space bright carmine, as is the iri^, its iuner margin vrhite; 

 edges of eyelids grayish blue; feet dusky externally, internally, a^d on anterior and po3« 

 terior ridges of the tarsus dull yellow; claws dusky" (Audubon).* Winter plurnaga: 

 Pileum, nape, and sides of the chest smoky slate; under part and sides of the head, 

 lores, and lower parts generally, white; chest faintly shaded with pale grayish, and 

 sides clouded with dark grayish. \Upper parts as in the summer plumage, but more 

 slaty. "Bill blui.sh gray, as in the bare loral space; the eye bright carmine, with aa 

 inner white edge; the feet bluish gray" (Audubon). Downy young lhalf-gi-ou:n]: Pileum 

 and nape dusky ; sides of the head with two dusky stiipes and several ii-regular spots of 

 the same co.or: throat with a dusky streak on each side. Otherwise similar in color tp 

 the winter plumage. 



Total length, about 14.75 Inches; extent, 23.50; wing, 5.75; culmen, 1,00; tarsus. 1.75. 



The Homed Grebe is said to ;breed in northern Illinois, but 

 in other portions of the State is only ix winter resident. 



Colymbus nigricollis californicus (Heerm,) 



AMERICAN EAKED.GEEBE, 



Popular synonyms. California Grebe; Zambullidor de pico delgado (Mexico). 



Podiceps auriius Nutt. Man. ii, JS34,- 256 (neC Colymbus auritus Linn.).— Aud. Orn. Biog. 



V, 1839, 103, pi, 401; Synop..l839, 358; B. Am. vii. 1814, 322, pi. 482.-Lawe. in Baird's B- 



N, Am. 1858, 897 (excl. syn.). 

 Podiceps californicus Heerm, Proc. Acad. Nat Sci. Phila. 1S54, 179; Pacific R. B. Rep. x, 



1859, 76, pi. 8.(young).—LAWB. in Baird's B, N. Am. 1858, 896.— Baibd, Cat. N. Am. B. 



1S59, No. 707. 



*An adult male killed at Washington. D. C, April 21. 1885, had the unfeathered yarls 

 coloi'ed somewhat dilTcrcntly, as follows: Bill black, with the tip'and a considerable per* 

 tion of the biise of the lowcr^mandiblo'palc lilac-gray; line of bare skin running from rictu.s 

 to eye, pale lake-red : iris s'carlet-lake.with'fl narxow ring of white next to pupil; outer side 

 of tarsus and under side .of toes, black; innei'side of tarsus and upper surface of toes gray- 

 ish white, tinged with bLui§h, especially on toes, the innerciost of which was tinged with 

 ealmon-cclor. 



