22 Aves. 
AYES. 
FaLCONIDjE. 
Sub-fam. Accipitiunje. 
Circus cyancus, $ ad. & pull, figured ; E. Booth, Rough Notes, pt. ii. 
Circus melanoleucus. The female like tho male; J. R. Cripps, Str. 
Feath. x. pp. 327 & 328. 
Circus humbloti [sp. n. ?], figured ; A. Milne-Edwards & A. Grandidier, 
Ois. Madag. pi. xxix.u, fig. 1 ; details of structure, iid . tom. cit. pis. xxix. b , 
fig. 1, xxix.c, fig. 1. 
Circus maillardi , var. macroscelis , and C. maillardi ty picus , figured ; 
iid. tom cit. pis. xxix. ft, figs. 2 & 3, xxix.c, figs. 2 & 3 ; iid . [re-issue] pis. 
xxvii., xxviii. fig. 2, xxviii. fig. 1. 
Polyboroides rcidiatiis var. madag ascariensis , ad. & juv., figured ; iid. 
tom. cit. pis. xv. & xvi. [re-issue]. Details of structure ; iid. tom. cit. 
pi. xvi. a. 
Melierax mecJiovn , sp. n., Angola ; J. Cabanis, J. f. 0. 1882, pp. 229 
& 230. 
Urospizias dampieri, sp. n., New Britain ; J. H. Gurney, Ibis, 1882, 
p. 453. 
Astur versicolor , sp. n., Ugi, Solomon Islands ; E. P. Ramsay, P. Linn. 
Soc. N. S. W. vi. pp. 718-720 [= A. albigularis, Gray, id. tom. cit. p. 727, 
and Ibis, 1882, p. 345]. 
Astur pidchellu8, sp. n., Solomon Islands, id. J. L. S. xvi. p. 131. 
Astur henstii figured ; A. Milne-Edwards & A. Grandidier, Ois. Madag. 
pi. xxx. a [re-issue]. 
Astur francesii figured ; iid. tom. cit. pis. xxxi. & xxxii. fig. 1 [re-issue]. 
A.moreli figured; iid. tom. cit. pi. xxxii. fig. 2. Details of structure, 
iid. tom. cit. pi. xxxii. a. 
Accipiter madag ascariensis figured; iid. tom. cit. pi. xxxv. [re-issue]. 
Accipiter nisus , pull., figured; E. Booth, Rough Notes, pt. ii. 
Sub-fam. BoteoniNjE. 
Buteo vulgaris , ad. & juv., figured ; id. Rough Notes, pt. ii. 
Buteo brachypterus figured ; A. Milne-Edwards & A. Grandidier, Ois. 
Madag. pi. xxii [re-issue]. 
Sub-fam. Aquiline. 
Aquila bonelii, in Bohemia; E. Hodek, MT. orn. Yer. Wien, 1882, 
p. 63 ; E. F. von Homeyer, J. f. 0. 1882, pp. 317 & 318. 
Nisaetus morphnoides , from S.E. New Guinea ; R. B. Sharpe, J. L. S. 
xvi. p. 424. 
Eutriorchis astur. Details of structure ; A. Milne-Edwards & A. Grau- 
didier, Ois. Madag, pi. ix.c. 
Ilaliaetus vociferoules figured; iid. tom. cit. pi. ix. [re-issue]. 
Rostrhamus plumbeus y notes on; J. H. Gurney, Ibis, 1882, pp. 455 
& 456. 
