CONTENTS. 
CHAPTER XIII.—SrructuraL GEOLOGY OF THE MIDDLE YANG-TZ] PROVINCE, by Bailey Willis 
Definition of the province 5.9% 
Yang-tzi section: I-chang to Wu- spao! hién 
Details of the Yang-tzi section 
Section across the Kiu-lung-shan . 
Synclinorium: Wu-shan-hién to Kia hele -p’u 
San-shi-li-p’u to Miau-ir-t’an . 
Miau-ir-t’an to Sii-kia-pa 
Tung-kuan-k’é6u to Chén-p Rneaiita 
Relations of the section across the Kiu-lung-shan 
General discussion 
Date of folding . 
CHAPTER XIV.—GEOLOGY OF CENTRAL SHEN-SI, by Bailey Willis and Eliot Blackwelder . 
Observations in the Han province : : : : : 
Ts’in-ling-shan and Han valley 
General statement 
Description and inference 
Ch6n-p’ing-hién to ie fa 
Hing-an-fu to Shi-ts’iian-hién 
Shi-ts’iian-hién to Ts’ai-kia-kuan . 
Chang-k’é6u-shi to Liu-yiié-ho 
The granites of the Ts’in-ling mountains 
Late Mesozoic 
Shi-ts’ tian sandstone 
Pleistocene 
CHAPTER XV.—PHYSIOGRAPHY OF SOUTHERN SHEN-SI, by Bailey Willis 
Introduction 
Description of features flee ies route 
Range of the Ta-hua-shan 
Front of the Ts’in-ling-shan 
Heart of the Ts’in-ling-shan 
Summits of the Ts’in-ling-shan 
Southern slope of the Ts’in-ling-shan 
Review of the Ts’in-ling-shan 
Basin of Han-chung-fu 
Canyon of the Han . 
Basin of Hing-an-fu . 
Up the Nan-kiang .. : 
Watershed of the Yang- tef-Kiang : 
Gorges of the Yang-tzi-kiang . 
Physiographic stages a: 
Ts’in-ling stage . 
Yang-tzi stage . 
Correlation of physiographic stages 
APPENDIX—TOPOGRAPHIC DATA .. Pierre eres Sie ee eS 5 < 
Table of altitudes, Chi-li and Shan -si ‘ - ae ee ek 
Table of altitudes, Hei-shui-k6u to Yang-tziriver . . . . . . ., 
Traverse by boat down the Han river . 
VII 
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