200 AN ACCOUNT OF THE 
Maksang sienifying like Kanpa, ariver. From the confluence of this 
river with the Setlej, he proceeded up to Ldri, a frontier village of 
Ladac. In this part of his route he describes the mountains as entire 
ly clay slate, bare of verdure and with little snow, and evidently of 
inferior elevation, from all which may be inferred that he was at this time | 
on the northern face of the eréat range. Having no particular motives for 
penetrating further and the season being advanced, ‘he returned from-this 
place though he had little doubt, as he says, that if desirous he might have 
proceeded even to Leh the capital'of Ladac. The road being described’ 
as good, and the people not manifésting the same jealousy as those subject 
to the Chinese authority. But this is not the place to enter into geographi-. 
cal particulars: an inspection of the map, a and comparison with those which 
are published i in England, ‘will shew what has been done by Lieutenant. 
Hervertr and myself in rectifymg their errors. The memoirs I have 
to offer may be conveniently divided into the following subjects.—Ist. A 
description of the principal instruments used in the Trigonometrical and 
(Astronomical Operations, and in the measurement of the base: these were: 
“Ee: A PoRTABLE As simuth, altitude and transit circle, made by Trovar- 
HON: this with some other valuable instruments ‘from his private 
observatory, “were presented to me by my ‘relative Mr. ‘W. Hopcson,, 
F. RB. S. before I was “appointed to the mountain survey. The con- 
struction and ‘uses of this circle are ‘described by the Reverend Mr. 
Woottastow, i in his Fasciculus. Aétrononicus.- The diameter of the ho- 
rizontal and vertical citcles of my instrument, ‘are each, one foot: the 
former is divided ‘to five seconds, ‘and’ is read by : two opposite verniers, 
