520 Mr. G. H. Gurnev on 



1G4, Circus macrurus. Pallid Harrier. 



Circus macrurus (S. G. Gm.). 



Iris brown ; bill black ; legs yellow. 



The Pallid Harrier was not infrequently seen hawking 

 over the plains of Theki ; it was also obtained on the Kauti 

 Plains, and is probably distributed all over East Africa. 



165. Circus cineraceus. Montagu's Harrier. 

 Circus cineraceus Cuv. 



Iris hazel ; bill black ; legs yellow. 

 A common species everywhere. 



166. Circus ranivorus. Le Vaillant's Harrier. 

 Circus ranivorus Cuv. 



Iris yellow ; feet light yellow. 



Le Vaillant's Harrier was not often seen, and was rather 

 a rare bird. A female was shot flying along a stream on 

 the Athi Plains late one evening. The stomach contained 

 the remains of a half -digested lizard. 



167. Neophron monachus. Eared Vulture. 



Neophron monachm Jard. & Selby. 



Iris dark brown ; bill horn-coloured, greenish black at 

 base; feet grey-blue. 



168. Phalacrocorax LUciDUs. South-African Cormorant. 

 Phalacrocorax lucidus (Licht.). 



Iris green ; bill yellow and black ; legs black. 



This species was very common at Lake Naivasha, and was 

 breeding among the branches of some partly submerged 

 trees a mile or so out in the Lake. I rowed out to this 

 " rookery " one day, and found about sixty nests containing 

 eggs and young birds in all stages of growth, from nestlings 

 a day old to big feathered young ones which flopped out of 

 the nests into the water at my approach and immediately 

 dived. The nests were large structures of sticks, and were 

 slightly lined with a few feathers ; none of them con- 

 tained more than two young, though one had three eggs. 

 A slight " bottom '' of grass and weeds had formed amongst 



