vI CONTENTS. 
CHAPTER X.—QUATERNARY: HUANG-T’U FORMATION OF NORTHWESTERN CHINA, by Bailey Willis 
General description . - ‘ 
Description of local occurrences : 
Artesian waters of the Bay of Peking . 
The situation of Peking . 
The plain of Peking . 
The waters of Peking 
CHAPTER XI.—PHYSIOGRAPHY OF NORTHWESTERN CHINA, by Bailey Willis 
Introduction 
Description of features along the route” 
The plain, Pau-ting-fu to Si-ta- oe 
Margin of the foothills : 
The Ning-shan district 
Bad Lands of the Sha-ho 
Mountains west of Féu-p’ing-hién 
Chi-li-Shan-si divide 
The Wu-t’ai-shan 
Northern Loess Basins 
The canyon of the Fén-ho, Ling: shi to Pring-yang- fu 
The Fén-ho below P’ing-yang-fu 
The development of streams . 
The T’ang-ho and fhe Hang: ho 
The Sha-ho below Féu-p’ing-hién . 
The Sha-ho above Féu-p’ing-hién . 
The T’ai-shan-ho, Hu-t’o-ho, and tributaries 
History of the ret -ho 
Physiographic stages 
Pei-t’ai stage 
T’ang-hién stage 
Hin-chéu stage . ; : 
Earlier theories of Chinese loess ee ey Geos 
Origin of materials of the Huang-t’u 
Climatic fluctuations 
Transportation of the Huang- ry u 
Physical characters of the Huang-t’u 
Geographic features . 
Fén-ho stage 
Correlation of physcrrscc stapes 
SECTION III. 
CENTRAL CHINA. 
CHAPTER XII.—STRATIGRAPHY OF THE MIDDLE YANG-TZi PROVINCE, by Eliot Blackwelder 
Pre-Cambrian 
Huang-ling granite- pene : 
Unconformity at the base of the Paleoeor f 
Paleozoic ; 
Nan-t’ou ioeinton : 
Basal quartzite and paced till 
Ki-sin-ling limestone 
Sin-t’an shale 
Wu-shan limestone . 
Permo-Mesozoic d 
Pre-K’ ui-chéu Srcontormity : 
K’ui-chéu series 
Age of the plant ede. in ihe Kui. een ‘basta, iy David White 
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