Facsimile · p. 4
784 Messrs. Sclater and Mackworth-Praed on [Ibis, [B. coll.] 1 Renk, 1 Malakal May, U.N. [C. & L. coll.] 1 Meshra Zeraf Jan. U.N. (Cha teolls| tls YemDec) Ink: Common and widely distributed.
Family Anatip2&.
Sarkidiornis melanotus africanus. ; Sarkidiornis africanus Kyton, Mon. Anat. 1838, p. 103: Gambia River.
Sarkidiornis melanotus Reichw. V. A.1. p. 129. Sarcidiornis melanonota (Peun.) Butler, Ibis, 1905, p. 383, 1908, p. 257.
[B. coll.] 1 Malakal May, U.N. Abundant on the upper Nile.
Nettapus auritus. Anas aurita Bodd, Tabl. Pl. Kul. 1783, p. 48 : Madagascar. Nettapus auritus Reichw. V. A. i. p. 127; Butler, Ibis, 1905, p. 383.
[B. coll.] 1 Meshra el Rek Mch. B.G. [Chr. coll.] 2 Meridi Feb. B.G.
Not uncommon in the southern Sudan, and occurs in Kordofan in the rains.
Casarca ferruginea.
Anas ferruginea Vroeg, Cat. Adumbr. 1764, p. 5: Tartary.
Casarca casarca (Linn.) ; Reichw. V. A. i. p. 136. Tadorna casarca Butler, Ibis, 1905, p. 384.
[B. coll.] 1 Khartoum Apl.
The Ruddy Sheld-Duck is abundant on the lower White Nile in winter (A. L. B.).
Anas platyrhynchos.
Anas platyrhynchos Linn. Syst. Nat. 10th ed. 1758, p. 125: Europe, restricted type-locality Sweden.
Anas boschas Iann, auctorum. The Mallard is not at all common in the Sudan, but is recorded by Mr, Butler from the White and Blue Niles.