1901.] FltOM LAKE RUDOLF A.KD THU NJLP, 613 



Ebytheoptgia leucopteba . 



Erythropygia leucoptera (Riipp.); Hawker, Ibis, 1899, p. 70: 

 Sharpe, antea, p. 306; Grant, Ibis, 1900, p. 170; id. & Keid, 

 Ibis, 1901, p. 660. 



a. d ad. Akara country, Feb. 16, 1900. 



CossiPH.i omoexsis. (Plate XXXVI. fig. 1.) 



Cossypha omoensis, Sharpe, Bull. B. O. C. xi. p. 28 (1900). 



a. 6 ad. Omo River, Dec. 22, 1899. (Type of species.) 



b. 2 ad. Murau country, Dec. 29, 1899. 



c. d. 2 ad. Murau country, Dec. 31, 1899. 



This species has the same squamated white head as C. giffardi 

 (Hartert, Bull. B. O. C. x. p. v, 1899; C. albicapilla giffardi 

 Hartert, Nov. Zool. vi. p. 420), but differs in its much darker 

 chestnut under surface and tail, the outer feathers of the latter 

 having a black edging near the tip. 



COSSYPHA VEUTICALIS. 



Cossi/jJia verticaZis Hartl. ; Sharpe, Cat. B. Brit. Mus. vii. p. 45 

 (1883> 



a. tf ad. Fort Berkeley, March 13, 1900. 



Not to be separated from Niger specimens, and identical with 

 one from Tamaja obtained by Emin Pasha. 



COSSYPHA HEUGLINI. 



Cossy/iha heuglini Hartl. ; Shelley, B. Africa, i. p. 84 ; Jackson, 

 Ibis, 1901, p. 72. 



a. 2 ad. Omo River, Dec. 30, 1899. 



ClCHLADUSA GUTTATA. 



Cichladusa guttata Heugl. ; Oust. Bibl. Haut.-Etudes, xxxi. 

 Art. 10, p. 6 (1886); Sharpe, P. Z. S. 1896, p. 484 ; Peel, Somali- 

 land, p. 318. 



a. Ad. Murau countn , Dec. 30, 1899. 



I>. 2 ad. Magois country, Feb. 3, 1900. 



'', d. cS 2 ad. Magois country, Feb. 7, 1900. 



These specimens are the true C. guttata, and agree with one 

 from Lado collected by Emin Pasha. Those from Lamu and the 

 coast-region are somewhat smaller and much brighter rufous on 

 the quills, and have been separated as (ichladusa rufipennia 

 irf. Sharpe, Hull. B. O.C. xii. p. 35). 



Hypolaib pallida. 



Hypolaia pallida (H. & E.)j Seebohm, Cat. 15. Brit. Mus. v. 

 p. 82 (1881); Beichen. Fog. Deutech-Oat-Afrikaa, p. 232 (.1894); 

 Elliot, Field Columb. .Mus. i. no. 2, p. 46; Dorl Phillips, Ibis, 

 L898, p. 408; Peel, Somali-land. ].. 315; Qranl .V Beid, Ibis, 

 L901, |>. 647. 



ad. Akara country, Feb. 18, L900, 



