Bulletin No. 292 - 
Series C, Systematic Geology and Paleontology, 78 
departmp:nt of the interior 
UNITED STATES GEOLOGICAL SURVEY 
CHARLES D. WALCOTT, Director 
THE 
BRYOZOAN FAUNA OF THE 
ROCHESTER SHALE 
BY 
KAY S. BASSLER 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1 9 6 
