CAMBRIAN GEOLOGY AND PALEONTOLOGY 



II 



No. 4.— CAMBRIAN FAUNAS OF CHINA 



By CHARLES D. WALCOTT 



(With Four Plates) 



CONTENTS 



PAGE 



Introduction 69 



Alphabetical list of previously described species showing new generic 



reference 70 



List of species described or figured in this paper 72 



Description of species •]}, 



ILLUSTRATIONS 



Plates 14-17, see Descriptions 102-108 



Figs. 7 and 7a. Levisia nasuta 87 



INTRODUCTION 



This is the third preliminary paper on the Cambrian faunas of 

 China.' It includes the description of a few new species from the 

 collection made by Mr. Eliot Blackwelder of the Carnegie Institution 

 of Washington Expedition to China in 1903-04 ; a larger number of 

 species are from collections made in Manchuria by Dr. Joseph P. 

 Iddings, who very kindly ofifered to make a collection for the 

 Smithsonian Institution in the Province of Liau-tung, where Baron 

 Richthofen collected the Cambrian trilobites described by Dr. Wil- 

 li elm Dames " and the Cambrian brachiopods described by Dr. 

 Emanuel Kayser.^ Other species are included, see list on pages y2-y^. 



In the revision of the new material from Liau-tung, Shan-tung, 

 and Shan-si, it became necessarv to studv the references of the 



' Proc. L^. S. National Museum, Vol. 29, 1905, pp. 1-106. 



Idem, Vol. 30, 1906, pp. s'Ss-SPS- 



* China, by Richthofen, vol. 4, pp. 3-.33. 



' Idem, pp. 33-36. 



Smithsonian Miscellaneous Collections, Vol. 57, No. 4 



6g 



