XII ILLUSTRATIONS. 
Ptt|?e. 
Fig. 137. Cross-section of the Kan Su Valley at an elevation of 1 1,000 feet 194 
138. Plan of the moraines of the Taka Valley iq6 
139. Cross-section of the Taka Valley, looking north 197 
140. View down the Kuzzil Su on the eastern border of Bokhara, showing a gravel- 
filled valley which has been re-excavated 203 
141. Terraces and meanders of another Kuzzil Su near Chadir Kul, on the Tian 
Shan Plateau, at an elevation of 1 1,000 feet 204 
142. Terrace wall of the Kan Su, west of Kashgar, showing horizontal gravel above 
tilted Mesozoic strata 205 
143. Terraces of the Kok Kiya, on the Tian Shan Plateau, at an elevation of 11,500 
feet 206 
144. Cross-section of the Ispairan Valley, showing successive periods of cutting and 
filling 207 
145. Shor Kul, looking south 209 
146. North and south section of the plain of Shor Kul from the lake to the moun- 
tains of Dungsugot 212 
147. Cross-seotion of a valley cut in the silt at Dungsugot 212 
148. The gravel-covered lacustrine deposits at Dungsugot, illustrating the same 
features as the preceding diagrams 213 
149. Windmills at Tabas 228 
150. Horizontal section of a Persian windmill 228 
151. Ruins at the Mil-i-Kasimaibad, near ZaJiidan 229 
152. Sketch map of the double basin of Iran 231 
153. The ruins of Old Kuchan 236 
154. North and soutli section along the Heri Rud at Pul-i-Khatun 238 
155. Section near Kliitayi, on the southern border of the 2U)rabad Basin 239 
156. North and south section along die Anau Brook, across the Anau fault block. . . 255 
157. Terraces of the Heri Rud, near Khatayi 260 
158. Sketch map of Kogneh Lake and the Jam Basin 261 
159. A slightly terraced valley in the mountains of Binalud Kuh, 30 miles north of 
Turbat-i-Haideri, March 3, 1904 266 
160. Terraces in the valley of Haji Plussein Beg in the Ohahak Basin 267 
161. The town of Bajistan, looking east 268 
162. Terraces at the northeastern corner of the Bajistan Basin 269 
164. A typical portion of the gravel desert northeast of Sistan 278 
165. A raft of reeds poled by a sayid, or " fowler," on the edge of the swamp of Sistan. 279 
166. An arm of the Lake of Sistan 280 
167. Canals in the delta of the Helmund at Sistan 282 
168. Ideal cross-section of the mesa of Kuh-i-Khoja 286 
169. Ideal cross-section of the lake terraces and bluffs on the northwest shore of the 
Lake of Sistan 294 
170. Lacustrine bluffs and recent sand dunes near Seh-kuheh 296 
171. Abandoned beach and lacustrine bluffs at Sebazkim 297 
172. Old lake beach at Sebazkim, looking wes-t 298 
173. Ideal cross-section of the old lacustrine beaoh at Sebazkim 298 
174. Sketch map of the ancient shore features in the Bay of Sebazkim 299 
