BRITISH AVONIAN (CARBONIFEROUS) 
CONODONT, BAUNAS, AND. THEIR. VALUE 
IN LOCAL AND 
INTERCONTINENTAL CORRELATION 
BY 
FRANK HAROLD TREVOR RHODES, RONALD LEYSHON AUSTIN 
and EDRIC CHARLES DRUCE 
31 Plates ; 92 Text-figures 
BUELETIN OF 
THE BRITISH MUSEUM (NATURAL HISTORY) 
GEOLOGY SUPPLEMENT 5 
LONDON : 1969 
