Page:Walcott Cambrian Geology and Paleontology II.djvu/125

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	73

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.^[1] 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. Wilhelm Dames^[2] and the Cambrian brachiopods described by Dr. Emanuel Kayser.^[3] Other species are included, see list on pages 72-73.

In the revision of the new material from Liau-tung, Shan-tung, and Shan-si, it became necessary to studv the references of the

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1. Proc. U. S. National Museum, Vol. 29, 1905, pp. 1-106.
   Idem, Vol. 30, 1906, pp. 563-595.
2. China, by Richthofen, vol. 4, pp. 3-33.
3. Idem, pp. 33-36.

Smithsonian Miscellaneous Collections, Vol. 57, No. 4

69