A TWELFTH ON THE EQUATOK 
61 
and we observed in this gorge birds of the rock-sparrow 
kind ( Petronia ), as well as numberless guinea-fowl of 
a new species, with a tuft of curious horny bristles set 
around the gape. These were the Abyssinian helmeted 
guinea-fowl (Numida ptilorhyncha ), which swarmed in 
the thorny scrub, some packs apparently running to fifty 
or a hundred and upwards. 
Beyond that spur we at length descried the fort of 
Baringo—furthest outpost, in this direction, of British 
Empire. 
At midday on August 17 we encamped on the little 
plain below the Boma, having spent nine days on the 
march from Nakuru. Here we presently received a 
most hospitable welcome from the District-Commissioner 
(and sole white inhabitant), Mr. Geoffrey Archer. 
namaqua do ye ((End capensis). 
A pigeon no bigger than a Wagtail. 
