BIRDS — FRmOILLTDAE — CHRYSOMITRIS MAGELLANICUS. 



419 



B. AsTRAGALiNUS, Cabanis. — Wings black ; the bases of the primaries and edgings white ; 

 tail white, blotched. No black on throat. 



Body entirely yellow above ; lesser wing coverts white C. tristis. 



Body olivaceous above ; lesser wing coverts black C. losaltria. 



Body entirely black above ; lesser wing coverts black. Tail with white spots. . G mexicanus. 

 Similar to the last ; the tail without white spots C. columhianus. 



C. Wings black, edged with yellow, but none at the base of the quills. Tail spot white. 

 Crown, chin, and throat black... C. laiorencii. 



Ho black on the head. 



D. Feathers of the head and body all streaked with brown. Bases of the quills and tail 

 feathers yellow C. pinus. 



Comparative measurements of species. 



CHRYSOMITEIS MAGELLANICUS, Bonap. 



Black-headed Goldfinch. 



Fringilla magellanica, Vieill. Diet. XII, 1819, 168.— AtJD. Orn. Biog. V, 1839, 40 ; pi. 394. 

 Carduelis magellanicus, Acd. Syn. 1839, 116.— Ib. Birds Am. Ill, 1841, 133 ; pi. 182. 

 Chrysomitris magellanica, Bonap. Consp. 1850, 516. — Cab. Mus. Hein. 1851, 160. 

 Fringilla icterica, Licnx. .Verz. Doubl. 1823, 26. 

 " 7 Fringilla campestris, Spix. Av. Bras. II, , tal). Ixi, f. 3." 



Sp. Ch. — Head all round and extending below over the lower throat, wings, and tail, (except as hereafter described,) black. 

 Lower part of neck, back to the rump, scapulars, and lesser wing coverts, olive green. Under surfaces generally of the body, 

 rump and upper tail coverts, basal half of all the tail feathers, bases of all the wing feathers, except inner tertials and outer web 

 of first primary, with ends of greater coverts and edges of tertials towards the end, yellow, tinged with greenish below. 

 Bastard feathers black. Length, 4.50 ; wing, 2.75 ; tail, 2. 



Hab. — South America. Accidental in the United .States, (Kentucky.) 



