SMITHSONIAN MISCELLANEOUS COLLECTIONS 



PART OF VOLUME LIII 



CAMBRIAN 

 GEOLOGY AND PALEONTOLOGY 



No. 4.-CLASS1F1CAT10N AND TERMINOLOGY OF 

 THE CAMBRIAN BRACHIOPODA 



With Two Plates 



BY 



CHARLES D. WALCOTT 



No. 1811 



CITY OF WASHINGTON 



published by the smithsonian institution 

 October 13, 1908] 



