218 Messrs. Sclater and Salvin on the 



276. AsTURiNA BKAciiYURA (Vicill.). Butco bi'ttcliyurus, 

 Vieill. Nouv. Diet. iv. p. 477; Pucheran, R. Z. 1850, p. 86. 

 Asturina albifrons, Kaup, Isis, 1847, p. 200, ct Coutr. Orn. 

 1850, p. 67. 



One specimen of this fine species, transmitted by Mr. Skinner, 

 is now in tlie Norwich Museum. 



Subfam. AccipitrinjE. 



277. Geranospiza ccERULESCENS (Vicill.). Sparvius carules- 

 cens, Vieill. Nouv. Diet. x. 318. Falco gracilis et Falco hemi- 

 dactylus, Temm. PI. Col. 91 et 3. Ischnosceles nige7; Du Bus, 

 Esq. Orn. pi. 16. 



The best authorities now seem to be agreed that there is only 

 one species of this form. As that occurs iu Southern Mexico 

 as well as in South America, there can be no doubt of its also 

 being found in Guatemala. 



278. MiCRASTUR GiLvicoLLis (Vieill.). Sparviibs gilvicollis, 

 Vieill. Micrastur cuncentricus, auct. 



Transmitted by Mr. Skinner. 



279. Micrastur ruficollis (Vieill.). Sparvius i-uficollis, 

 Vieill. Falco xanthothorax, Temm. PI. Col. 92. 



A skin of this bird received from Mr. Skinner is in Salvin's 

 collection. 



280. Micrastur semitorquatus (Vieill.). Sparvius semi- 

 torqua f us, YieiW. Falco brachypterus, Temm. PI. Col. 116, 141. 

 Falco percontator, Cabot, Boston Journ. iv. 462. 



Examples of this species have been transmitted by Mr. Skin- 

 ner. Dr. Cabot observed it iu Yucatan. 



281. AcciPiTER Fuscus (Gm.). (N. A.) 



This species occurs rarely in the Pacific coast-region. Exam- 

 ples also have been transmitted from Vera Paz. 



282. AcciPiTER erythrocnemis, Kaup, Jard. Contr. Orn. 

 18.50, p. 64. 



Transmitted by Mr. Skinner. lYisus chionogaster, Kaup 

 (P. Z. S. 1851, p. 41), from Cobun, is probably nothing more 

 than this species. 



