国立情報学研究所 - ディジタル・シルクロード・プロジェクト
『東洋文庫所蔵』貴重書デジタルアーカイブ

gap left in our surveys on either side of the
middle Su-lo-ho course (C, D. 2,3), the exact
connection between the clearly defined Nan-
shan ranges eastwards (see Sheet No. 43)
and those in this sheet is more difficult to
trace. This question of morphological
relationship must be left for future expert
investigation. I may however record the
impressions derived from what our surveys
in the outer ranges and those of Roborovsky
and Kozloff along and south of the Su-lo-ho
suggest.

The latter surveys made it appear highly
probable that the high snowy range in the
south, called by Russian explorers after the
great geologist, the late Professor Suess, has
its continuation in the big range south of
Ch'ang-ma (A,B.1,2) rising to peaks above
19,000 and 20,000 feet and crossed by the
Ta-kung-ch'a pass. The next range north-
ward, called after the Emperor Alexander III,
may well be connected with the one which
our route from the T'a-shih river showed
as striking with an approximately west-east
bearing from near Shih-pao-ch'êng (A.1) ; the
conspicuous massif of the Erh-lung-shan

south of Ch'ang-ma (B.1) might be taken
for a link in the chain. The To-lai-shan
range may be traced in the succession of
high peaks our sheet shows as running to-
wards the 'Chu-chia-shan' just north-west of
Ch'ang-ma, this chain itself having its con-
tinuation in the direction of the low but very
distinct range south of T'a-shih and Ch'ao-
tzu (No. 40.A.5). Finally it is tempting to
recognize the western extremity of the Richt-
hofen Range, the northernmost of all, in the
range which stretches from the T'u-ta-fan
pass (D.1) to the north-west, the Yao-mo-
shan and Tung-yüeh-shan (C.1) being among
its culminating points, and the Su-lo-ho
debouchure below Ch'ang-ma (No. 40.B.5)
breaking through it. If this assumption is
justified the low hill-chain overlooking the
lower Su-lo-ho valley from Wang-shan-tzu
(No. 40.A.5) to Tun-huang might well
prove the last western outlier of the same
range.

Addition. A. 1. The name 'T'a-shih
R.' should be shown in blue along the river-
bed passing Shih-pao-ch'êng.

Astronomically observed latitudes.
1906-08. Shih-pao-ch'êng, Camp 188 (on right bank of river-bed, half a mile
N. of ruined fort ; A. 1) ... ... 32° 49′ 3″
Ch'ang-ma-pao-tzu, Camp 193 (temple near west wall of central
village ; B. 1) ... ... ... 32° 51′ 45″
Ch'ing-ts'ao-an-tzu, Camp 197 (near temple ; D. 1) ... 39° 53′ 35″

NOTES ON SHEET No. 42 (CHIN-T'A)

The area surveyed in this sheet during
the spring and summer of 1914 comprises
the south-eastern extremity of the Pei-shan,
the eastern portion of the Hua-hai-tzu basin
and a part of the wide trough in which the
rivers of Kan-chou and Su-chou (Pei-ta-ho)
unite to form the Etsin-gol. The positions
accepted for An-hsi and Su-chou served for
the adjustment of the plane-table work in
the latter two sections, while the traverse
through the Pei-shan was plotted upon the
two terminal points of Barkul (No. 34. B.1)
and Mao-mei (D. 4). For the latter place
a latitude observation was available, the
longitude value being derived from the mean
of two independent traverses from Su-chou.

Historical and antiquarian interest is
imparted to the ground in the south by the
line of the ancient Chinese Limes, the re-
mains of which I succeeded in tracing from

the Hua-hai-tzu basin to the point where it
crossed the Etsin-gol below the northern
end of Mao-mei cultivation. For a brief
account of this border-line and the forbid-
ding desert ground through which most of it
was constructed, see Geograph. Journal, 1916,
xlviii. pp. 195 sq. The ground at and be-
yond the oasis of Chin-t'a (B, C. 4) which I
visited in 1907 on my first fruitless search
for the Limes line in this direction, is de-
scribed in Serindia, iii. p. 1134.

The south-eastern portion of the Pei-
shan shown here completely shares the
character of the utterly barren ranges and
plateaus adjoining to the north-west and
briefly described in the notes on Sheet No.
40. The fifth and southernmost of the
Pei-shan ranges was crossed by our route
from the coal pits of Mou-wo (B. 3).
In the eastern part of the Hua-hai-tzu