ORNITHOLOGICAL INDEX. 13 



Buteo, Auct. 



But. Borealis, Sw. and Rich. Faun. Bor. Am. v. 2. p. 50. 

 (Circus) cyaneus? var.? Americanus, Sw. and Rich. 



Faun. Bor. Am. v. 2. pi. 29. m. p. 55. 

 lagopus, Sw. and Rich. Faun. Bor. Am. v. 2. pi. 28. 



p. 52. 

 melanoleucus, Vieill. Gal. des Ois. v. I. pi. 14. 

 vulgaris, Sw. and Rich. Faun. Bor. Am. v. 2. pi. 27. m. 



p. 47. 



Gymnops^ Spix. 



Gym. aquilinus, Spix, Av. Sp. Nov. v. I. p. 11. 

 aterrimus, Spi^, Av. Sp. Nov. v. \. p. 11. 

 fasciatus, Spix, Av. Sp. Nov. v. \. t. ly. p. 10. 

 strigilatus, Spix, Av. Sp. Nov. v. 1. t. iy"". p. 10. 



Milvago, Spix. 



Mil. ochrocephalus, Spix, Av. Sp. Nov. v. 1. t. y, p. \2, 



Bidens, Spix. 



Bid. albiventer, Spix, Av. Sp. Nov. v. \. t. yii. p. 14. 

 aurantius, Spix, Av. Sp. Nov. v. I. p. 17. 

 cinerascens (femoralis), Spix, Av. Sp. Nov. v.l.t. viii. 



p. 15. 

 Dominicensis, Spix, Av. Sp. Nov. v. I. p. 16. 

 rufiventer, Spix, Av. Sp. Nov. v. 1. t. yi. p. 14. 

 sparverius, Spix, Av, Sp. Nov. v. I. p. 16. 



