792 Messrs. Sclater and Mackworth-Praed on [ Ibis, of the Red Sea and on the Arabian coasts. It closely resembles that species, but is of a generally dingier coloration, the green on the back being almost obsolete, as also are the throat-markings. It may prove to be but a race of B. atricapilla, though the legs and feet seem to be in most cases shorter and stronger than in that bird.

Ixobrychus minutus minutus. Ardea minuta Linn. Syst. Nat. 12th ed. i. 1766, p. 240: Switzerland.

Ardetta minuta Reichw. V. A. 1. p. 866; Butler, Ibis, 1905, p. 373.

[B. coll.] 1 Gedaref Apl. 29, Kas.; 4 Khartoum Ap]. 18-May 24; 2 Dueim May, W.N.

Widely distributed in winter, most noticeable at migration time.

Ixobrychus minutus payesi. Ardea payesit Hartl. J. f. O. 1858, p. 42 (ex Verreaux) : Casamanse, Senegal.

Ardetia payesi Reichw. V. A. 1. p. 367.

[B. coll.] 1 Bahr el Jebel June, U.N.

The African representative of the Little Bittern, distinguished by its richer coloration, especially on the neck.

Ardeiralla sturmi. Ardea sturmi Wagler, Syst. Av., Ardea, 1827, p. 191: Senegambia.

Ardetta sturmi Reichw. V. A. 1. p. 368. The African Dwarf Bittern has been recorded from eastern Kordofan and the Shiiluk country by Heuglin. It ranges throughout Africa south and west of the Sudan.

Nycticorax nycticorax nycticorax. Ardea nycticoray Linn, Syst. Nat. LOth ed. 1758, p. 142 : Southern Europe.

Nycticorax nycticorax Reichw. V. A.1i. p. 362. Nycticorax griseus (Linn.); Butler, Ibis, 1905, p. 373.

[B. coll.] 1 Bahr el Jebel May, U.N.

Common.