ILLUSTRATIONS. XI 
Page. 
Fig. 91. Deflated bowlder of granite, hollowed side facing east 131 
92. A talus-shrouded mass of crystalline limestone 131 
93. A glacial bowlder of crystalline limestone cracking from the changes of tem- 
perature 131 
94. Common type of weathered bowlders 132 
95. A kettle-hole lake on the moraine extending from the Kurumdi mass trans- 
versely into the Alai Valley 133 
96. Section of Alai Valley transverse moraine 134 
97. Ideal section of " twice troughed " valley 134 
98. Section across Kizil-Art Valley at Bor Daba, looking north 135 
99. Profile to show moraines and terraces of the Kizil-Art Valley 136 
100. The northern peninsula of Kara Kul 138 
loi. An east- west section of the Kara Kul Basin 139 
102. Section of Kara Kul sediments exposed in hillock bluff 139 
103. Moraine of the Kara Kul Basin, looking northwest to the older moraine 140 
104 and 105. Sediment pushed up by an overriding moraine 141 
106. Concretionary growths of calcium sulphate 141 
107. Looking north from the front of the Kara Jilga moraine to the Kizil Kul steppe. 142 
108. The valley heading a little west of Kizil-Art and joining the Kizil Kul steppe.. . 143 
109. Drowned valleys on the west side of the north peninsula 144 
1 10. Section looking north up the Sari Tash Valley 147 
111. The eastern side of the Sari Tash Valley from about 5 versts below Katin-Art 
Pass 148 
1 12. Remnants of Floor A, as seen looking down from just below Taldic Pass 148 
113. Taldic Valley terraces, looking up the Taldic Valley from Floor B, about 63 
versts above Gulcha 149 
114. Taldic Valley terraces, looking up the Taldic Valley from Floor C, about 46 
versts above Gulcha 149 
115. Map of the Ak-Busa-Ga grass plain and stream channels 150 
116. Section to show double change of slope in Langar gullies 152 
117. Section en route, 20 versts north of Langar, loking 15° south of west 152 
118. Explanatory diagram for example in determining relative antiquity of horizons 
of the waste on the plains 154 
119. The sharp peaks south of the Alai crest 155 
120. Sketch map of Central Turkestan 160 
121. Sketch map showing location of fig. 120 161 
122. Folds in the limestone in the Sugun Valley, west of Shor Kul, looking west. .. . 163 
123. Ripple-marks on the lower half of the pink sandstone near Kan Su 164 
124. Cross-section of the Tian Shan Plateau 172 
125. Scene in the Yak Tash Basin, in the northern part of the Tian Shan Plateau. . . 173 
126. View of the Tertiary strata on the edge of the Kashgar Basin 175 
127. Fault scarp on the southern side of the Kuzzil Oi Basin, with a smooth deposit 
of silt lying in front of it 176 
128. Drainage of the Kuzzil Oi and Min Yol basins 177 
129. Gorge of the Ispairan in its lower portion 179 
130. Limestone gorge of the western Kichik Alai 180 
131. Longitudinal section of the Khoja Ishken or Kok Su Valley 187 
132. Youngest gorge in the Khoja Ishken 188 
133. Marble bowlders and beginning of the gorge associated with the fourth Khoja 
Ishken glacier 189 
134. Cross-sections of the Khoja Ishken Valley 190 
135. Cross-sections of the three gorges of the Khoja Ishken Valley 190 
136. Sketch map showing the location of the Mudinmi moraines 191 
