CONTRIBUTION TO THE ORNITHOLOGY OF SUDAN. 
m 
Lanius nubiens, Lichst. 
Lanius nubiens, Lichst., Verz. Doubl, p. 47 (1823); Gadow, Cat. B. Br. Mus. Vili. p. 
282 (1883); Witherly, Ibis, 1901 p. 250 ; Ch. Rothsch. & Woll., Ibis, 1902. p. 13 ; Ogilv.- 
Grant, Ibis, 1902. p. 416; Reichw., Vög. Afr. II. p. 612 (1902- 1903) ; Butler, Ibis, 1905. 
p. 328, 1908. p. 225, 1909. p. 394. 
cf ?.. Luieza, Dinder, 4. II. 1911. 
cf. Abu-Hashim, Dinder, 6. II. 1911. 
2 d , 1 ?. Beida, Dinder, 12. II. 1911. 
d . Djerif, Blue-Nile, 20. II. 1912 (Count Königsegg). 
Lanius rufus. Gm. 
Lanius rufus Gmel., Syst. Nat. I. p. 301 (1788). 
Lanius senator Linné, Witherby, Ibis; 1901. p. 250. 
Lanius paradoxus (Brehm) Ogilv.-Grant, Ibis, 1902. p. 415; Butler, Ibis, 1905. 
p. 328, 1908. p. 226. 
Lanius senator rufus (Gm.) Reichw., Vög. Air: II. p. 627 (1902 — 1903). 
d and juv. Luieza, Dinder, 4, II. 1911. 
? . Senga, 1. III. 1911. 
Laniarius erythrogaster (Cretzschm.) 
Lanius erythrogaster Cretzsghm., Rüpp. Atl. p. 43 I. 29 (1826). 
Laniarius erythrogaster (Cretzschm.) Gadow, Cat. B. Br. Mus Vili. p. 154 (1883); 
Flower, Proc. Zool. Soc. 1900. p. 956; Witherby, Ibis, 1901. p. 252; Ogilv.-Grant, Ibis, 
1902; p. 414; Reichw., Vög. Afr. II. p. 586 (1902 — 1903); Butler, Ibis, 1905. p. 329, 1908. 
p. 227; Shelley, B. Afr. V. p. 325 (1912). 
2 d , 1 ?. Beida, Abu-Hashim, Luieza, Dinder. IIIII. 1911. 
? . Bet-El-Wahas, 16. I. 1912 (Count Königsegg). 
cf Djerif, 20. IL 1912 (Count Königsegg). 
I must remark, that the concealed white spots of the base of the 
shoulder feathers in the Sudanese birds are more developed than in the 
birds originating from Eastern-Africa, in which these markings are scarcely 
visible. 
Pomatorhynchus remigialis (Finsch A Hartl.) 
Téléphonas remigialis, Finsch & Hartl., Vög. O. Afr. p. 340 (1870); Gadow, Cat. 
B. Br. Mus. Vili. p. 128 (1883); Witherby, Ibis, 1901. p. 252; Ch. Rotschh. & Woll., 
Ibis, 1902. p. 14; Ogilv.-Grant, Ibis, 1902. p. 414; Butler. Ibis, 1905. p. 329. 
Pomatorhynchus remigialis (Finsch & Hartl. ^ Reichw., Vög. Afr. II. p. 551 
(1902-1903). • 
Telephonus senegalus remigialis (Fincsh & Hartl.) Neumann, Jour. f.Oru.1907. p. 372. 
Tschagra remiyialias (Finsch & Hartl.) Shelley. B. Afr. V. p. 369 (1912). 
cf. Luieza, binder, 4, II. 1911. 
