CONTRIBUTION TO THE ÖRINTHOLOGY OF SUDAN. 
599 
Passer albiventris, Mad. 
Passer diffusus' '{ née Smith) part. Sharpe, Cat. B. Br. Mus. XII. p. 336 (1888); 
With erb y*, Ibis, 1901. p. 246; Ogilv.-Grant, Ibis, 1902. p. 408; Butler, Ibis, 1905. p. 
315, 1908 p. 217. . 
Passer swainsoni (Rüpp.) part. Reich w., Vög. Air. III. p. 228. (1904 — 1905). 
Passer albiventris , Mad., Ann. Mus. Nat. Hung. IX. p. 339 (1911). 
Passer nikersoni , Mad. Ann. Mus. Nat. Hung. IX. p. 339 (1911) == juv. 
d . Chamissa, Dinder, 5. II. 1911. Type. 
2 . Senga, I. 81 1911. 
d*. Sonar, III. 7 1911. 
d juv. Khor-Em-Dul, 16. II. 1911. Type of P. Nikersoni Mad. 
d. Regei ba, XII. 26. XII. 1911 (Count Königsegg). 
2 . Djerif, 21. II. 1912 (Count Königsegg). 
d 2 . Senga, III. 1912 (Count Königsegg). 
Auripasser luteus (Lichst.) 
Fringilla lutea, Lichst., Verz. I)oub. p. 24 (1823). 
Passer luteus (Lichst.) Sharpe, Cat. B. Br. Mus. XII. p. 340 (1888); Witherby, 
Ibis, 1901. p. 247; Ch. Rotsch. &• Woll. Ibis, 1902. p. 10; Ogilv.-Grant, Ibis, 1902. p. 
408; Butler, Ibis, 1905. p. 315. 
Auripasser luteus (Lichst.) Reichw. Vög. Afr. III. p. 248 (1904 — 1905). 
d . Khartoum, 22. I. 1911. 
d . Khartoum, 8. III. 1912 (Count Königsegg). 
Poliospiza leucopygia (Sund.) 
Crithagra lencopygia, Sund., Öfv. Ak. Hancll. 1850. p. 127. 
Serinus lencopygius (Sund.) Sharpe, Cat. B. Br. Mus. XII. p. 366 (1888); Witherby, 
Ibis, 1901. p. 247; Ogilv.-Grant, Ibis, 1902. p. 408; Butler, Ibis, 1905. p. 316, 1908. p. 
218; Shelley, B. Afr. III. p. 216. (1902). 
Poliospiza leucopygia (Sund.) Reichw., Vög. Afr, III. p. 255 (1904 — 1905). 
juv. Senar, 7. III. 1911. 
ad. Djerif, 20. II. 1912 (Count Königsegg). 
The upper parts of the young bird washed with brown, the white 
rump already visible ; the whole under part white, with roundish brown 
spots on the crop and breast. 
