Chapter Y. 
woollen vests. The blankets tied around their shoulders and 
girt with a rope around the waist formed a garment somewhere 
between a toga and a cassock. At all events, the poor fellows 
were now protected from the cold, which was the essential 
point. 
While the Duke, with the help of Dr. Cavalli, directed the 
organization of the camp, Messrs. Knowles, Sella and lioccati 
made a preliminary exploration as far as the Mobuku Glacier 
at the head of the valley. 
On the following morning, June 9th, Mr. Knowles and 
Mr. Haldane, who had accompanied the expedition as far as the 
foot of the mountains, and used all their authority and their 
great experience to facilitate its progress, left it definitely and 
returned to Fort Portal. H.R.H. remembers with gratitude 
the invaluable help which they gave to his enterprise. 
The porters went down to fetch the loads which had been 
left behind at Kichuchu. The Duke, with his guides and 
Botta and five Bakonjos, started for the upper end of the 
valley. 
After leaving Bujongolo, the way continues to skirt the 
right slope of the valley. The bottom of the valley is nearly 
level, marshy, dotted with reeds, lobelias and senecio, and 
strewn with fallen trunks upon which you stumble at every 
step, and slippery with wet mosses in which you sink to the 
knee. The opposite side of the valley consists of a smooth 
rock wall. 
Where the valley turns northward it grows still narrower, 
forming a gorge between steep walls. At the upper end the 
Mobuku Glacier appears actually to overhang it, all broken 
and full of crevasses, covering the upper portion of the last 
rocky cliff and ending in an ice cavern whence issues the 
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