National Institute of Informatics - Digital Silk Road Project
Digital Archive of Toyo Bunko Rare Books

teristics. More distinctly than from long descriptions or even quite detailed maps,
he will from these landscapes be able to discern the sharply chiselled outlines with
steep slopes and deeply cut valleys of the peripheric country, and he will receive as
vivid an impression of the endless stretches of tableland with no outlet, and their
comparatively great uniformity. He will, as I did yonder in the field, feel as if he
were standing on a rock in the midst of a troubled sea, where the ridge of one
wave but rarely rises above the others.

The bearings for each panorama have been found by me on the spot, by
means of a hand compass, after the drawings were completed. They do not there-
fore pretend to any greater accuracy than what is obtained by practice. Each pano-
rama is provided with a note containing a definition of the point from which the
view is drawn, and also stating on which sheet of the map its projection is to be
found. Thus it will be possible, in each separate case, to compare the horizontal
view with the vertical one. I was not in position to bring with me the thousands
of photographic plates which would have been necessary for a survey of the country
by means of the camera. For such a photogrammetric work, much greater resources
than those at my command would have been needed. My panoramas are meant
in some measure to compensate for the want of photogrammetric material.

In volume V of the text, the collection of petrografic specimens which I have
brought home, is worked out and examined by Professor Dr Anders Hennig. In
his introduction, he indicates the principles on which the collection has been made,
as well as the method he has followed in examining the material. With great skill
and patience he has made the best of the opportunities given. If the pains I have
taken in collecting the specimens of rocks, have rendered it possible for the hand of
the specialist to draw up the main lines of the geology of Southern and Western
Tibet, they have not been in vain. I need not point out that the geological picture
we have produced, must in the future undergo many and great alterations. The
detailed work of the specialist on the field still remains to be done.

Now, as well as formerly, I have for the working out of the meteorological
observations, had the advantage of the experienced and valuable assistance of Professor
Dr Nils Ekholm.

Dr K. G. Olsson also remains one of my faithful collaborators, and he has
charged himself with the working out of the astronomical observations. Though
the observations are, this time, less accurate and complete than those resulting from
the journey of 1899—1902, Dr Olsson has made use of them as far as it has been