Chapter IV. 



Near Nakitawa, at the entrance of the Mahoma Valley, the 

 ancient moraines of the two valleys meet and miite together. 

 Ill tlie corner formed l)y the meeting of the left moraine of 

 Mahoma witli tlie right moraine of Mobuku lies a little lake, 

 whicli was visited subseqnently V)y the expedition on their 

 return jom-ney. 



The peaks of the Portal group soar up over the left side of 

 the valley exactly opposite this camp. The two southernmost 

 of these peaks stand like giant sentries on either side of the 

 entrance of another great valley wliich here opens into the 

 Mohnku. 



]iril.])IX(; SIIKDS, ll'.ANDA. 



The discoNt'iv of this important trihutaiy xaHey, over- 

 looked by .ill tlie previous explortn-s, ])ermitte(l tlu^ Duke to 

 arrive from tin- first at certain vital eoiiclusioiis regarding the 

 position of the peaks. 



122 



