104 FALCONIDJE. 



9. Astur hiogaster. 



Falco hiogaster, Miill. 8,- 8chl. Naturl. Gesch. p. 110 (1839-1844) ; 



Bp. Rev. et Mmj. de Zool. IHoO, p. 490. 

 Accipiter hiogaster, Bp. Cmisp. i. p. 33 (1850) ; Ilomhr. <y Jacq. Voy. 



Pole Sud. Zool. p. 48, pi. 2. fig. 1 (1853) ; Strickl. Oni. Sijn. p. 112 



(1855) ; W(dl. Ibis, 1868, p. 8; Grm/, Hand-l. B. i. p. 34 (1869). 

 Sparvius hiogaster, Bp. Rev. et Mag. de Zool. 1854, p. 538. 

 Astui- hiogaster, Grai/, P. Z. S. 1860, p. 343. 

 Nisus hiogaster, Sclil. Mus. P.-B. Astures, p. 43 (1862) ; id. Vog. 



Nederl. Ind. Valkv. pp. 27, 65, pi. 19 (18C6) ; id. Revue Accipitr. 



p. 89 (1873). 

 Erythrospiza hiogaster, Kanp, P. Z. 8. 1867, p. 173. 

 Erythrospiza hiogastra, Waldeti, Tr, Z. S. yiii. p. 34 (1872). 



Young. Above brownish slate-colour, the feathers of the nape 

 white at the base and slightly tinged with rufous, the wing-coverts 

 and secondaries margined with rufous ; quills and tail dark brown, 

 paler at the tips, crossed with numerous bands of blackish, the 

 inner webs of both pale rufous at the base, and having the under 

 surface lighter, with the cross bars more plainly developed than on 

 the upper surface ; sides of the face deep slaty, like the head ; entire 

 under surface white, with a few spots and bars of brown on the 

 lower breast, flanks, and thighs ; the under wing-coverts pale fawn, 

 spotted with brown, a few rufous feathers appearing on the chest. 

 Total length 14 inches, wing 8-5, tarsus 2-25. 



Adult female. Above deep bluish slate-colour, the wings and tail 

 a little duUer ; primaries ashy underneath, pale rufous near the 

 base ; sides of the face and of the neck bluish slate-colour, like the 

 rest of the head ; entire under surface deep cinnamon rufous ; the 

 throat entirely uniform with the breast, as also are the under wing- 

 and tail-coverts ; cere, orbits, and feet orange, claws black ; bUl 

 black, orange at base of under mandible ; iris deep orange-yellow. 

 Total length 15-8 inches, culmen 1-25, wing 2-5, tail 7, tarsus 2-25. 



Adult male. Similar to the old female, but smaller. Total length 

 12'o inches, wing 7'7, tarsus 2-1. 



Hah. Ceram and Amboina. 



_C.]. 



P.l. 



P.". 



[C.]. 



1(J. Astur sylvestris. 



Accipiter sylvestiis, Wall. P. Z. S. 1863, pp. 484, 487 ; id. Ibis, 1868, 



p. 10; Gray, Hand-l. B. i. p. 34 (1869). 

 Nisus torquatus, Schl. Voe/. Nederl. Ind. Valkv. pi. 17. fig. 3 (1866). 

 Uraspiza torquata (pt.), Kaup, P. Z. S. 18G7, p. 170. 



Adult male (type of species). Above pale ashy grey, the crown 

 delicate bluish grey, the hinder neck slightly washed with salmon- 

 colour on the sides, not forming by any means a distinct nape-band ; 



