eee 
SMITHSONIAN MISCELLANEOUS COLLECTIONS 
VOLUME 134, NUMBER 12 
(Enp oF VoLumE) 
Charles D. and Mary Waux Walcott 
Research Fund 
PERMIAN BRACHIOPODS FROM 
CENTRAL OREGON 
(Wirn 12 Prarss) 
By 
G. ARTHUR COOPER 
Head Curator of Geology 
United States National Museum 
Smithsonian Institution 
(PuBLIcATION 4302) 
CITY OF WASHINGTON 
PUBLISHED BY THE SMITHSONIAN INSTITUTION 
DECEMBER 9, 1957 
