DISCOVERY OF LAKE 189 
the manner of the log huts of North America, the 
smaller trees being cut down and notched near the 
ends, which are then fitted over one another. One side 
was built higher than the other, so as to have a lean-to 
roof with a good slope. This, being well covered with 
split-pine shingles, kept the wet out perfectly. I even 
went so far as to have glass windows made out of spoilt 
photographic plates; and I insisted on having a wooden 
chimney built, though my men were very averse to it 
and wished to have the room always full of smoke and 
allow it to escape as it best could through the roof. 
This hut was about twenty feet’ by fifteen feet, and 
was, when finished, very comfortable. It took about a 
fortnight to complete, and then a fire was kept burning 
day and night drying botanical papers and specimens. 
On the lake I noticed some yellow ducks of the same 
species that is common on the Yang-tze, and in the 
forest there was a woodpecker, speckled black and 
white with a red crest. I saw but few butterflies, the 
weather being so cold, and those were mostly of the 
genus Pieris. 
On May 20 I went out in a north-easterly direction, 
and ascended to an elevation of 15,200 feet above the 
sea. I found a lake at this altitude, and collected a 
good many beetles from under the stones. Iwas rather 
surprised to find them in such numbers so close to the 
