54 . ACCIPITRES D1URNI. 



3. HYPOTEIOECHIS RUFIGULARIS. The red-necked Falcon. 



Hypotriorchis rufigularis G. R. Gray, Gen. of Birds, i. p. 

 Falco rufigularis Baud. Tr. <f Orn. ii. p. 131. 

 Falco aurantius var. Lath. Ind. Orn. i. p. 48. 

 Falco cucullatus Swains. Two Cent, and a Quart, p. 340. 

 Falco thoracicus Donov. Nat. Repos. pi. 45. 

 Falco deiroleucus Temm. pi. col. 348. ( <j> ) 



Falco (Hypotriorchis) aurantius Kaup, Classif. der. Sdug. und 

 Vdg. p. 257. 

 Penn. Gen. of Birds, pi. 1. 



a. Brazil. Presented by M. Gen. T. Hardwicke. 



b. Brazil. 



c. British Guiana. Presented by the Royal Geographical 



Society. 



d. Bahia. 



4. HYPOTRIORCHIS FRONTATUS. The Paramatta Falcon. 



Hypotriorchis frontatus G. R. Gray, Gen. of B. i. p. 



Falco frontatus Gould, Proc. Zool. Soc. (1837) p. 139. ; Syn. B. 



of Au&tr. pt. iii. pi. . f. 1. 

 Falco lunulatus Lath. Ind. Orn. Suppl. p. xiii. ? ; Lamb, Icon. ined. 



ii. 3. ? 



Sparvius lunulatus Vieill. N. Diet. d'Hist. Nat. x, p. 324. 

 Falco longipennis Swains. Two Cent, and a Quart, p. 341. 

 Falco (Hypotriorchis) frontatus Kaup, Isis, (1847) p. 65. 

 Falco subbuteo Brehm, Isis, (1845) p. 347. ? 



a. Australia, male. Presented by the Linnaean Society. 



b. Australia, male. 



c. Australia, male. From Mr. Gould's Collection. 



d. Van Diemen's Land, male. From Mr. Gunn's Collection. 



e. Australia, young. Presented by D. W. Mitchell, Esq. 



/. Australia, adult female. Presented by D. W. Mitchell, 



Esq. 



g, h. Interior of South Australia. Presented by Capt. Sturt. 

 i. South Australia. Presented by his Excellency Capt. G. 



Grey. 



b. JEsALON. 



5. HYPOTRIORCHIS CONCOLOR. The uniform Falcon. 



Hypotriorchis concolor G. R. Gray, Gen. of Birds, i. p. . 



Falco concolor Temm. pi. col. 330. 



Falco ardosiacus Vieill. Encyc. Meth. p. 1238, 



