714 Messrs. Scluter and Mackworth-Praed on [Ibisj 



Cotile shelleyi Sliarpe ; Butler, Ibis, 1905^ p. 343, 1908, 

 p. 238. 



[B. coll.] 2 Khartoum Dec. 



[C. & L. coll.] 1 Lat. 15°, 1 Lat. 12^° N. Jan. W.N. ; 

 1 ur. Reuk Jan. U.N. 



Riparia paludicola minor. 



Cotyle minor Cabauis, Mus. Hein. i. 1850, p. 49 : N.E. 

 Africa. 



Riparia paludicola minor (Cab.) ; Hartert, Vog. pal. Faun, 

 p. 813. 



[B. coll.] 1 Roseires Sept. Sen. 



[C. & L. coll.] 2 Singa Dec. Sen. 



The two specimens collected by Chapman and Lynes are 

 both quite immature, but we believe we are right in referring 

 them to this species and not to R. r. littoralis, 



Riparia paludicola sudanensis. 



Cotile sudanensis Alexander, Bull. B. 0. C. xxi. 1908, 

 p. 88: Bulturi, Lake Chad. 



Cotile minor apud Butler, Ibis, 1905, p. 343, 1908, p. 237, 

 1909, p. 84. 



[B. coll.] 2 RafFali, Feb. B.G. 



On examining the specimens of R. paludicola in the 

 Museum we have come to the following conclusions as 

 regards the races : — 



1. Riparia paludicola paludicola, 



Hirundo paludicola Vieill. Nouv. Diet. xiv. 1817, p. 511 : 

 S. Africa. 



Above uniform browu^ also throat and chest ; underside 

 white, washed with brown on the flanks. Size large : wing 

 102-110 mm. Some specimens have the whole underside 

 brown like the chest. 



Range. South Africa north to the Zambesi on the east 

 and Benguella on the west. 



Riparia pembertoni Hartert, from Angola, is apparently 



