Mr. T. Ayres on Trans-Vaal Ornithology . 105 



206. Platalea TENUiROSTRis (Temm.). Sleuder-billed 

 Spoonbill. 



207. Ibis ^THiopiCA (Lath.). Sacred Ibis. 



These birds are plentiful^ frequeuting the swamps in flocks 

 of fiftj or sixty together ; but I am not aware that they breed 

 here. 



208. LiMNOcoRAX NIGER (Gmcl.) . Black Crake. 



This species haunts the reeds and rushes on the banks of 

 the Movi river. 



209. PoRPHYRio sMARAGNOTus, Tcmm. Green -backed 

 Porphyrio. 



These handsome birds are common in some of the swamps 

 about Potchefstroom, but generally frequent rather deep parts, 



210. FuLicA CRisTATA^ Gmcl, Rufous-knobbed Coot. 

 This species is common in Trans-Vaal. 



\Conf. Ibis, 1868, p. -170.— J. H. G.] 



211. Anas sparsa. Smith. White-spotted Duck. 



This species is found on the Movi river, but is not plentiful. 



212. Anas xanthorhyncha, Forst. Yellow-billed Duck. 

 This is one of the commonest Ducks in this district. 



213. Thalassornis leuconota, Smith. Yellow-throated 

 Diving Duck. 



This species is very scarce here ; the specimen sent was 

 shot within a mile of Potchefstroom. 



[The following remarks refer to species which have been 

 already recorded by Mr. Ayres as occurring in Trans-Vaal. — 

 J. H. G.] 



160. CiRCAETUs PECTORALis, Smith. Black-breasted Har- 

 rier Eagle. 



This Eagle makes its appearance at Potchefstroom every 

 winter, though in no great numbers. The specimen sent (an 

 adult female) I shot in the town in August from the top of a 

 willow tree ; its stomach contained lizards and also a large 

 toad, swallowed whole. 



