CONTRIBUTION TO THE ORNYTHOLNGY OF SUDAN. 
589 
wings, and tail much lighter and has a large white patch behind the ear- 
coverts, which is in the Sudanese birds nearly obsolete. The underpart of 
the Danakil birds strongly washed with dusky brownish, whilst the Suda¬ 
nese birds have the whole underpart pure white on the flanks suffused 
only with brown. Tot. length of the Sudanese birds 195, wing 82—98, tail 
84—90, bill 14—16, tarsus 19 mm. 
Fam. TUEDIDAE. 
Crateropus leucocephalus (Ceetzschm.) 
Turdus leucocephalus, Cretzschm., Atlas p! 6. tb. 4 (1826). 
Crateropus leucocephalus (Cretzm.) Sharpe, Cat. B. Br. Mus. VII. p. 474 (1883); 
Witherby, Ibis, 1901. p. 253; Oc ilv -Grant, Ibis, 1902. p. 422; Reichw., Vög. Afr. III. 
p. 666 (1904-1905); Butler, Ibis, 1905. p. 330. 
? . El-Erediba, 28. I. 1911. 
ÿ . Luieza, Dinder, 8. II. 1911. 
2 cT. Abu-Hashim, Dinder, 9. II. 1911. 
5 . Semsir, 27. I. 1912 (Count Königsegg). 
cT ÿ . Choramla, 18 II. 1912 (Count Königsegg). 
$ . Djerif, 20. II. 1912 (Count Königsegg). 
Turdus pelios. Bp. 
Turdus pelios, Bp. Consp. Ay. I. p. 273 (1850); Seebghm, Cat. B. Br. Mus. V. p. 
230. (1881); Reichw., Vög. Air. III. p. 690 (1904-1905); Butler, Ibis, 1905. p. 337, 1908. 
p. 233. 
cT. Abu-Hashim, Dinder, 8, II. 1911. 
On one occasion I met whit a single specimen of the Ethiopian Thrush 
on the Dinder, which was obtained. 
Pratincola Hemprichii (Ehrb.) 
Saxicola Hemprichii, Ehrenb., Symb. Phys. foJ. aa. (1828). 
Pratincola hemprichi (Ehrb.) Sharpe, Cat. B. Br. Mus. IV. p. 193 (1879). 
Pratincola maura (nec Pall.) Reichw. Vög. Afr. III. p. 734 (1904—1905). 
d 1 . Beida, Dinder, 15 II. 1911. 
During our journey I saw this single one specimen which was secured. 
This species must be rare, or confused with P. rubicola L. not being enu¬ 
merated in Butler’s papers and by other authors having been enploved 
in the Ornithology of the Sudan. 
