85 
Owing partly to an actual scarcity of elephants and partly to the 
reluctance of the owners to use them for transport purposes on the 
plea that this damages their efficiency for timber hauling, which is 
their principal use, ave had to rely in the main on coolies. 
Though quite willing, the local Siamese were extraordinarily 
inefficient as jungle carriers, and all loads other than those of the 
most trifling weight had to be carried slung on a pole between two 
men, 
After about the first five miles, when the primary jungle was 
entered, there was practically no path, the track taken being along the 
banks of the river itself, which in places was deep and rapid and had to 
be crossed between thirty and forty times. Under these circumstances 
progress was slow, and though our impedimenta were reduced to a 
minimum and there was no lack of coolies we did not arrive at our 
destination until the afternoon of the second day, though, as stated 
above, the total distance traversed could not have been more than 
fifteen miles. Owing to the rocky and broken nature of the country 
there was some difficulty in finding a suitable site for a camp, which 
was enhanced by the fact that there were no suitable palm leaves for 
roofing purposes, banana leaves, which are very perishable and unsatis- 
factory, having to be used. 
During our stay on the mountain, which lasted from 11th June to 
28th June, the weather was very unfavourable. There was always 
a strong wind, and rain, though at no time heavy, was almost 
continuous after about 10 am. Birds and animals were by no means 
pumerous, 
3. KAO.NAWNG (upper camp). 
During our stay on the mountain a party was detached for work at 
higher elevations and a camp was established at about 3,500 feet, 
a few hundred feet below the extreme summit of the range, in a 
saddle between two peaks. The weather was extremely wet and 
windy, the collecting ground very limited in extent, owing to the 
steepness of the mountain, and covered with very dense and matted 
vegetation, and the results were therefore not large, though several 
very interesting species both of birds and mammals were obtained. 
The principal object in collecting on these hills which have never 
previously been visited by a naturalist was to ascertain what relation- 
ship their fauna bore to that of the main peninsular range to 
south and to that of the Tenasserim mountain Nwalabo and Muleyit 
to the north. 
As might be expected, the present collections show that the-fauna 
is almost exactly intermediate, so much so that in many cases it 
is difficult to state whether a specimen should be assigned to the 
Tenasserim or the Malayan race, when these have been separated. The 
area of these hills above the 3,000 feet and 4,0V0 feet contours is 
