TRir TO THE NOBTIIWABD 145 



principally annuals, and of several species. This dis- 

 trict is rich in Thecla, and I have taken as many as 

 300 J. Bieti in one morning with my forceps off 

 the droppings of the baggage animals on the Lhassa 

 road. 



On the 2 9 til I returned to Ta-tsien-lu, having 

 made a good collection. I had now a good series of 

 Parnassius Imperator and of many other species, the 

 best hours for collecting being between eight and eleven 

 in the forenoon, for afterwards a strong breeze sprung 

 up usually, and lasted till nearly five. 



On August 10 I made a trip to the northward, and 

 as there were no villages in the mountains I intended 

 to visit I took a Tibetan tent with me. These are 

 made of Chinese cloth embroidered with blue, and are 

 used by the Tibetans in the summer, when they make 

 trips to the mineral springs in the mountains, in which 

 'they bathe. At 5 p.m. I had arrived at an altitude of 

 11,000 feet. The tent was pitched and all made snug. 

 The scenery was magnificent, the snow above us com- 

 mencing at an altitude of about 16,000 feet, the country 

 between being well wooded, principally with pines. 

 The next day I shot a few Crossoptilon Tibetanum in 

 the morning, but none in the afternoon. The country 

 is very difficult to get over at all, the slopes being very 

 steep, and in other places large quantities of stones and 



L 



