824 Messrs, Sclater and Mackworth-Praed on [Ibis, 



Porzana maruetta (Leacli) ; Butler, Ibis, 1905, p. 385, 

 1908, p. 257. 



[B. coll.] 2 Khartoum Apl. 12, Oct. 19. 

 Common ou migration. 



Porzana parva, 



Ballus parvus Scopoli, Ann. i. Hist. Nat, 1769, p. 108 : 

 Carniola. 



Ortyyometra parva Reicliw. V. A. i. j). 285. 

 [B coll.] o Kliartoiuu Oct. & Nov. 

 On migration, not common. 



Crex crex, 



Rallus crex Linn. Syst. Nat, lOtli ed. 1758, p. 153 : 

 Europe, restricted type-locality Sweden. 

 Cre.v ere:)' Reicliw. V. A. i. p. 277. 

 Crex pralensis Beclist, ; Butler, Ibis, 1905, p. 385, 

 [n. coll.] 2 Khartoum Sept. 18 & Oct. 

 The Land-R;iil is common on migration. 



Crecopsis egregia. 



Crex egreqia Peters, Monatsb. k. Akad. Berlin, 1854-, 

 p. 134 : Mozambique; Reichw, V. A. i. p. 278. 



Tiiis species just enters the southern boundary ot" the 

 Sudan, being recorded from Gondokoro (Heuglin). 



Limnocorax niger, 



Rallus niger Gmel. Syst. Nat. i. pt, 2, 17t*9, p. 717 : Cape 

 of Good Hope. 



Limnocorax nvjer Reichw. V. A. i. p. 279 ; Butler, Ibis, 

 1905, p. 385. 



[B. coll.] 3 Kaka, 1 Taufikia, 3 Malakal June, U.N. 



[C. & L. coll.] 2 near Lake No Feb. Mch., 1 Tonga Feb., 

 1 mouth of Bahr el Zeraf Mch., 1 White Nile lat. 

 121° N. Jan., 1 lat. 9^° N. long. 31° 40 E. Mch. U.N. 



[C^hr. coll.] 1 Yambio Mch. B.G. 



Common wherever there is water fringed with cover. 



