Dec. 1848. 



KANGLACHEM PASS. 



•24. 



15,186 feet) was strewed with enormous boulders ; a rude 

 stone hut stood near it, where we halted for a few minutes at 

 1 p.m., when the temperature was 42*2°, while the dew- 

 point was only 20*7°.* At the same time, the black bulb 

 thermometer, fully exposed on the snow, rose 54° above the 

 air, and the photometer gave 10572. Though the sun's 

 power was so great, there was, however, no appearance of 

 the snow melting, evaporation proceeding with too great 

 rapidity. 



Enormous piles of gravel and sand had descended upon 

 the upper end of this lake-bed, forming shelves, terraces, 



KANGLACHEM PASS. 



and curving ridges, apparently consolidated by ice, and 

 covered in many places with snow. Following the 



* This indicates a very dry state of the ahythe saturation-point being 0-133"; 

 whereas, at the same hour at Calcutta it was 0-559°. 



