ACCIPITRES, STEGANOPODES. Aves 59 
Aquila nccvia and A. clanga , notes on ; J. H. Gurney, Naturalist, 1886, 
pp. 45-47. 
Buteo abbreviates breeding in Arizona, $ ad. and juv., and ? de- 
scribed ; E. A. Mearns, Auk, iii, pp. 63-67. B. latissimus , melanistic 
variety; R. Ridgway, P. U. S. Nat. Mus. 1886, p. 248. B. unicolor from 
Br. Guiana, remarks and comparison with the type, by E. Oustalet; O. 
. Salvin, Ibis, 1886, p. 73. B. vulgaris figured ; E. H. Giglioli & A. Man- 
zella, Icon. Avif. Ital. pi. xiii. 
Butorides macrorhyncha , difference from B. javanica confirmed ; W. 
Blasius, Z. ges. Orn. 1886, p. 178. 
Circus ccruginosus figured ; E. H. Giglioli & A. Manzelia, Icon. Avif. 
Ital. pi. xxxii. 
Dryotriorchis spectabilis, a third specimen (from Liberia) ; J. Biitti- 
kofer, Notes Leyd. Mus. viii [1886], p. 246. 
Erythrotriorchis dories figured ; J. Gould [R. B. Sharpe], Birds of 
New Guinea, pt. xxi. 
Falco fuliginosus may be synonymous with Circus" ccruginosus ; V. de 
los Reyes y Prosper, An. Soc. Esp. xv, p. 109. F. gyrfalco figured ; G. 
Babington, Birds of Suffolk, pi. i. F. neglectus , Schleg., probably a good 
species ; E. Hartert, J. f. O. 1886, p. 599. F. subbuteo , $ ad. and juv. 
figured ; Lord Lilford, Col. Fig. of Br. Birds, pts. ii & iii. 
Gypaetus barbatus } habits in the breeding season ; F. C. Keller, Z. ges. 
Orn. 1886, pp. 39-65. 
Gypoictinia melanosternon, its nestling plumage and its eggs ; J. H. 
Gurney, Ibis, 1886, pp. 457 & 458. 
Lophotriorchis Iciencri, note on; S. Bligli [J. H. Gurney], Ibis, 1886, 
p. 299. 
Machcerhamplius revoili , n. sp., between M. alcinus and M. anderssoni , 
Somali-land ; E. Oustalet, Bibl. haut. etudes, xxxi, Art. 10, pp. 2 & 3. 
Milvus govinda breeds much earlier than is usually supposed, beginning 
in September ; H. E. Barnes, J. Bomb. Soc. 1886, p. 41. 
Neophron monachus , its nest and egg; E. Hartert, J. f. 0. 1886, p. 601. 
Polioaetus ichtJiyactus , its egg ; H. Parker, Ibis, 1886, p. 183. 
RcgcrJiinus uncinatus new to Antilles ; J. G. Wells, P. U. S. Nat. Mus. 
1886, p. 630. 
Spilornis spilogaster, its egg ; H. Parker, Ibis, 1886, p. 182. 
Urubitinga anthracina breeding in Arizona, $ ad., $ nestling described 
(the latter for the first time) ; E. A. Mearns, Auk, iii, pp. 69-73. 
Serpentariidj:. 
Serpentarius , sub voce “ Secretary-bird,” fig. ; A. Newton, Encycl. Brit, 
ed. 9, vol. xxi. 
STEGANOPODES. 
EREGATIDiE. 
Fregata minor new to Tenimber Is. ; J. Biittikofer, Notes Leyd. Mus. 
viii [1886], pp. 58 & 68. 
