CONTENTS. 



THE CAMBRIAN FAUNAS OF CHINA. By CHARLES D. WALCOTT. 



PAGE. 



PREFACE .... i 



THE CAMBRIAN FAUNAS OF CHINA 3 



Historical review 3 



Synonymic references (genera and species in which changes have been made since publication 



of original description and reference) . . 9 



Bibliography 1 1 



Localities (with lists of genera and species at each) 15 



Chinese localities .... .... 15 



Manchurian localities 25 



List of all species from Liau-tung, Manchuria, with locality numbers 28 



Geological conditions .... 29 



Pre-Cambrian continental conditions 29 



Unconformity at base of Cambrian 30 



The geologic formations 31 



Lower Sinian, Man-t'o shale 31 



Middle Sinian, Kiu-lung group . 3 1 



Relation of the Cambrian to the Ordovician . 32 



Paleontology 34 



Stratigraphic and geographic distribution of species 34 



Summary of genera and species ... .... 34 



General Stratigraphic and geographic position of the Cambrian faunas of China (with 



list of species indicating page and plate references) . . .... 34 



Relations of the fauna to typical Stratigraphic section ... .40 



Sections in Shan-tung . 41 



Section in Manchuria .... 46 



Discussion of the Cambrian fauna of China 47 



The larger faunal horizons 49 



Stratigraphic range of Upper Cambrian genera in China . 55 



Faunal provinces of the Cambrian in Asia . 56 



Description of genera and species* . 59 



Order Foraminifera 59 



Genus Globigerina d'Orbigny (pi. i) 59 



Order Porifera 59 



Genus Pro/aspongia Salter (pi. i) 59 



Order Anthozoa 60 



Genus Coscinocyathus Bornemann (pi. i) . . . 60 



Order Annelida 61 



Genus Planoliles Nicholson (pi. i) 61 



Order Brachiopoda . . . . 61 



Genus Micromitra Meek (pi. i) 61 



Subgenus Palerina Beecher (pi. i) 62 



Subgenus Iphidella Walcott (pi. i ) 63 



Genus Obolus Eichwald (pis. 1,2)... .64 



Subgenus Westonia Walcott (pi. 2) . . 68 



Genus Lingulella Salter (pis. 2, 3) ... ... 69 



Subgenus Lingulepis Hall (pi. 3) 70 



Genus Dicellomus Hall (pi. 3) .... 71 



Genus Obolella Billings (pi. 3) . . 72 



Genus Yorkia Walcott (pi. 3) 72 



Genus Acrothele Linnarsson (pi. 3) . 73 



*The list of species on pages 34-40 gives page and plate references; therefore it has seemed unnecessary 

 to repeat them here. 



I 



