SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 111, NUMBER 3 



laialtott Jfunb 



FURTHER NEW CAMBRIAN 

 BELLEROPHONT GASTROPODS 



(With One Plate) 



BY 

 J. BROOKES KNIGHT 



Research Associate in Paleontology 

 U. S. National Museum 



(Publication 3951) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



DECEMBER 24, 1948 



