HimaLava Mounrains. 199 
quence of my unavoidable absence, this laborious and difficult task was 
executed by Liewtenant Hereert alone, and much of the apparatus was 
contrived by him, and executed under his inspection, in the manner he has 
described. "The whole of the smal! triangulation for the purpose of correct- 
ing the stations of Chandptir and Surkunda, in which he used my circular 
instrument, was his work, and he shared equally with me in the trigoneme- 
trical and astronomical observations of the large triangles, at such stations 
as I visited, and also established, as we had agreed, on other stations judici- 
ously situated, and carried on operations on them—and our ecographical 
knowledge of the surveyed country has been much extended by him, not 
only in carrying various route lines of the Jahnavi river above Bhairo- 
ghdt?, and of the Setlej above Wongti (which was the farthest point of 
my research in that direction ik 1816), but also in. tracing the Tonse river. 
to its sources in the snowy range; ascending which, in October 1819, he 
crossed over the southern ridge of the Himalaya by the Gtinas pass, ele- 
vated about 15,700 feet above the sea. Descending thence, he came upon 
the valley of the river Baspa, a principal feeder of the Sele), originating 
in that cluster of high peaks, which are situated in a re-entering angle of 
the range above Jumnotri, and from which in another direction are deri- 
ved the more eastern rivers. From its confluence with the Seflej, he follow-.. 
ed the course of the latter upward to Shipkee, a frontier valley of the Chinese 
territories. S/ipkee is in latitude 31. 48.; 110 miles below Shipkee, the 
Seile, which by the Bhoteas or Tartars there, is called Sang Jing Kanpa, 
(Kanpa signifying a river) receives another stream, nearly equal in size, 
which strange to say, has no precise name. It is some times desienated Spaté, 
Maksang Spait, being the name of the Purgunnah it dows through, and 
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