91 
FEMALE INDIGO FINCH. 
FlUNGJIJJl CYHNEJ1. 
Plate XV. Fig. 4. 
See Wilson’s American Ornithology , I, p. 100, PI. 6, Fig. 5, for the Male. 
Tanagra cyanea, Linn. Syst. I, p. 315. Sp. 6, adult male in full plumage. 
Emheriza cyanea , Gmel. Syst. I,p. 876, Sp. 54. Lath. Ind. p. 415, Sp. 60. 
Emheriza cyanella, Sparm. Mus. Carls. II, PI. 42, 43. Gmel. Syst. I, p. 887, Sp. 74. 
Emberiza ccerulea , Gmel. Syst. I, p. 876. Lath. Ind. p. 415, Sp. 59, male in moult. 
Tanagra ccerulea? Gmel. Syst. I, p. 891, Sp. 27. Lath. Ind. p. 427, Sp. 27, adult male. 
Tanagra carolinensis ccerulea, Briss. Jlv. III,p. 13, Sp. 6, adult male in full dress. 
Emberiza canadensis ccerulea , Briss. Av. Ill, p. 298, Sp. 12, PI. 14, Fig. 2, male 
moulting. 
Passerina cyanea , Vieill. Nouv. Did. Hist. Nat. 
Fringilla cyanea , Nob. Obs. Sp. 112. Id. Cat. and Synop. Birds U. S. Sp. 164. 
Linaria cyanea , Bart. Trav. p. 296. 
Linaria ccerulea , the Blue Linnet , Catesby, Car. I, p. 45, PI. 45. 
Leministre , Buff. Ois. IV, p. 86. 
L’azuroux, Buff. Ois. IV, p. 369, male moulting. 
Passe-bleu? Buff. Ois. Ill, p. 495, adult male in full plumage. 
Moineau bleu de Cayenne ? Buff. PI. enl. 203, Fig. 2, adult male in full dress. 
Blue Linnet , Edw. Av. IV, p. 132, PI. 273, lower figure. 
Indigo Bunting , Penn. Arct. Zool. II, Sp. 235. Lath. Syn. IV, p. 205, Sp. 53. 
Blue Bunting , Penn. Arct. Zool. II, Sp. 234. Lath. Syn. Ill, p. 205, Sp. 52, male 
moulting. 
Blue Tanager? Lath. Syn. Ill, p. 234, Sp. 28. 
Philadelphia Museum , No. 6002, Male; 6003, Female. 
The remarkable disparity existing between the plumage of the 
different sexes of the common Indigo bird, renders it almost 
indispensably requisite that the female, unaccountably neglected 
