of the United States. 417 



364. Podiceps cristatus, Lath. Bill longer than the head, 

 from the front to the tip two inches, reddish, white at the 

 point ; neck beneath, front, and secondaries, white. 



Adult in full plumage, neck and breast white ; sides of the 

 head reddish, a flat occipital tuft and a broad ruff on each 

 side of the neck, black. 



Young dull, obscurely spotted, destitute of the ornamental 

 feathers. 



Crested Grebe of Wilson's list. Buff. pi. enl. 400. adult. 

 Id. 944. and 941. young in different stages. Colymbus podi- 

 ceps, cristatus et urinator, auct. 



Inhabits the north of both continents : rare in the middle 

 states, and only during winter : common in the interior and 

 on the lakes. 



365. Podiceps rubricollis, Lath. Bill as long as the head, 

 from the front to the tip one inch and a half, yellow, point 

 black; neck beneath reddish; front black; secondaries 

 white. 



Adult, cheeks and throat ash-color ; neck and beneath ru- 

 fous ; crown, and neck above narrowly, black ; a short oc- 

 cipital black crest; no ruff. 



Young much duller and spotted ; no occipital crest ; cheeks 

 and throat white, the former striped with black. 



Red-necked Grebe, Lath. Colymbus rubricollis, subcrista- 

 tus et parotis, auct. Buff. pi. enl. 931. 



Inhabits the north of both continents : rare, and during 

 winter only in the middle states : very common in Arctic 

 America. 



3G6. Podiceps cornutus, Lath- Bill shorter than the head, 

 one inch long from the front, compressed throughout ; secon- 

 daries white ; twelve outer primaries entirely brown. 



Adult blackish, beneath white; neck and breast rufous; a 

 broad black ruff round the neck ; a long tuft of reddish 

 feathers behind each eye above. 



