CONTENTS: 



Page 



Introduction 3 



Stratigraphic Summary G 



Fauna of the Machiakou or Actinoceras limestone 7 



Lower Ordovician 



Peilintze Limestone 10 



Liangchiashan Limestone 11 



Description of Species 12 



■Anthozoa 12 



Brachiopoda 15 



Pelecypoda 10 



Gastropoda 20 



Cephalopoda 3G 



Holochoanites 3( i 



Phylogenetic significance of the siphuncle of the Holochoanites 53 



Orthochoanites G3 



Cyrtochoanites •. ' i-") 



Trilobita ''3 



Bibliography 9f'' 



List of Chinese locahties referred to in the text, arranged alphabetically under the 



several provinces 99 



Explanation of Plates 101 



