SMITHSONIAN MISCELLANEOUS COLLECTIONS 



PART OF VOLUME LIII 



CAMBRIAN 

 GEOLOGY AND PALEONTOLOGY 



No. 3.— CAMBRIAN BRACHIOPODA: 

 DESCRIPTIONS OF NEW GENERA AND SPECIES 



With Four Plates 



BY 



CHARLES D. WALCOTT 





MWi 



No. I8I0 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



October I, 1908 



