CONTRIBUTION TO THE ORNITHOLOGY OF SUDAN. 
591 
Phoenicurus 'phoenicurus (L.) Reichw., Vög. Air. III. p. 780 (1904 — 1905). 
cf. Beida, Dinder, 12. II. 1911. 
The Redstart was frequently seen in the forest part along the Blue- 
Nile and Dinder. I shot more examples of which this one male was preserved. 
Fam. SYLVIIDAE. 
Acrocephalus palustris (Bechst.) 
Sylvia palustris , Bechst., Tasclienb. p. 186 (1802). 
Acrocephalus palustris (Bechst.) Seebohm, Cat. B. Br. Mus. V. p. 181 (1881); 
Witherby, Ibis. 1901. p. 257 ; Reichw., Vög. Air. III. p. 587 (1904 — 1905). 
cf. Khartoum, 22. I. 1911. 
c? . Bet-El-Wahas, 16. I. 1912 (Count Königsegg). 
Cisticola nilotica n. sp. 
(Tab. XT. fig. 2.) 
Similar to C. erythrows (Hartl.), but smaller, the upperparts paler 
and the underparts almost pure white. 
Forehead and side of head light yellowish ferrugineous, shading into 
greyis- bromi on the top of head; mantle light greyish brown suffused 
with buff ; upper tail-coverts yellowish ferrugineous ; wings brown, the 
feathers edged with ferrugineous ; the whole underpart pure white the sides 
of body and under tail-coverts washed with light buff ; centre tail feathers 
greysh-brown, the remainder more ashy, with broad light yellowish-buff 
end to the feathers preceded by a broad subterminal black bar. Maxilla 
light horn colour, mandible and feet yellowish. 
The 1 st primary longer than half the length of second, second primary 
7 mm shorter than the third, which again shorter than the fourth ; 4th 
and 5th equal and longest. 
Tot. length 180, wing 52, tail 60, bill 12, tarsus 21 mm. 
cT. Blue-Nile, 18° n. lat., 4. III. 1911. Type. 
Cisticola sudanica. Mad. 
(Tab. XI. fig. 1 ) 
Cisticola sudanica, Mad., Ann. Mus. Nat. Hung. IX. p. 340 (1911). 
c?. Beida, Dinder, 13. II. 1911. 
ad. Schalläl, Blue-Nile, 4. III. 1911. 
? . Schalläl, Blue-Nile, 4. III. 1911. 
c? . Erif-Eldik, 29. XII. 1911 (Count Königsegg). 
