ACCIPI TRES H ERODION E S. 
Aves 43 
Baza : on this genus; J. H, Gurney, Ibis, 1880, p. 462. Baza suma- 
trensis and B. ceylonensis : remarks on : id. Str. F. viii. p. 444. 
Buteo harlani : description of an unusual (?) plumage ; R. Ridgway, 
Bull. Nutt. Orn. Club, v. p. 58. 
Dryotriorcliis spectabilis : remarks on plumage, with figure ; J. H. 
Gurney, P. Z. S. 1880, p. 621, pi. Iviii. 
Erythropus amurensis figured ; J. Gould, B. Asia, pt. xxxii. 
Falco atriceps : on the type specimen, and on F. peregrinator ; J. H. 
Gurney, Str. Foath. viii. No. 6, pp. 423-437. 
Gyps fulvus figured ; H. E. Dresser, B. Eur. pts. ixxvii.-lxxix. 
llierofalco gyrfalco ohsoletus [sic] : description of its adult plumage ; R; 
Ridgway, Bull. Nutt. Oim. Club, v. pp. 92-94. 
Leptodon : on this genus; J. H. Gurney, Ibis, 1880, p. 322. 
Lopliotriorchis Icieneri : description of immature plumage; A. O. Hume, 
Str. Feath. ix. pp. 273-277. 
Microhierax Zaii/rows. obtained at the Nicobars ; id. op. cit. viii. p. 496. 
Pernis : on the three species of this genus ; J. H. Gurney, Ibis, 1880, 
pp. 195-217. 
Regerrhinus : on this genus ; id. tom. cit. p. 312. 
STEGANOPODBS. 
PHAETONTIDiE. 
Phaeton Jlavirostris in Western New York^ E. Coues, Bull. Nutt. Orn. 
Club, V. p. 63. 
Pelecanid^. 
Sula hassana breeding in confinement ; E. T. Booth, Zool. 1880, p. 363, 
Figured ; IL E. Dresser, B. Eur. pts. Ixxvii.-lxxix. 
HERODIONBS. 
Ardetd;e. 
Ardea rutenhergl, sp. n., G. Hartlaub, P. Z. S. 1880, p. 40, Mohambo, 
Northern Madagascar. A. cyanirostris, sp. n. : very closely allied to A. 
leucogastra, var. leucoprymna ; C. B. Cory, B. Bahamas, p. 168, figured, 
I. c., Inagua, Bahamas. A. occidentalis and wuerdemanni ; half-grown 
young of these supposedly distinct species, found in the same nest by W . 
J. Velie, proving their identity ; R. Ridgway, Bull. Nutt. Orn. Club, 
V. p. 122. A. garzetta and A. alba figured ; H. E. Dresser, B. Eur. 
pts. Ixxvii.-lxxix. 
Ardetta minuta figured ; id. tom. cit. 
Nycticorax griseus in Clackmannanshire, and N. gardeni in Ayrshire ; 
R. Gray, P. Phys. Soc. Edinb. 1880, pp. 355-360. 
