Birds' E<j<js in the Tninsfaal Maaeum. 101 



2. One QQg : 5.9.03. Vaal River, Potchefstrooui, Tn 



ans- 



vaal : e coll. Austin Roberts. 



Shape almost oval ; texture rouc^h, sliohtly pitted and 

 with a few nodules ; surface dull. Typical Vultures' eggs. 



Colour. The first is pure white and very clean ; the second 

 is dirty and has a few very faint splashes, or rather large 

 blotches, of very pale brown, possibly nest-markings. 



Sizes. >i^-b X G9-0 ; 92-0 x 68*0 mm. 



557. PsEUDOGYPS AFRICANUS (Salv.). (African White - 

 backed Vulture.) 



1. One egg : 5. 9. 03. Vaal River, Potchofstroom, Trans- 



vaal : e coll. Austin Roberts. 



2. One egg : 15. 8. 03. Klipkuil, Transvaal : same 



collection. 



Shape a slightly tapering oval. 



The first egg is of rough texture, slightly pitted and with a 

 few lumps or nodules ; the second is smoother. The surface 

 in both is dull. The first is clean and pure white in colour ; 

 the second dirty, with some greyish nest-markings giving it 

 a dirty white appearance. 



Sizes. 94-5 X 71-5; 96'0x74'5uim. 



558. Otogyps aueicularis (Daud.). (Black Vulture.) 

 One egg: 19.7.03. Machavie, Potchefstroom, Trans- 

 vaal : e coll. Austin Roberts. 



Shape slightly tapering rounded oval ; texture rough and 

 pitted ; surface dull. 



Colour. Dirty white, with a few splashes of pale brown. 



Size. 96x72 mm. 



There is another egg, the data of which I was unable to 

 find, in the Museum, but which I think is of this species. 

 The egg is marked 188. It is very similar to the above, 

 but the splashes are towards the lower end. It measures 

 95 X 72 mm. 



563. Seiipentarius SECRETARius(Scop.). (Secretary Bird.) 

 I. One egg : no date. Potchcistroom, Transvaal : c cull. 

 Austin Roberts. 



