BRITISH AVONIAN CONODONT FAUNAS 
266 
40 60 80 
Abundance factor = Lota! no. of specimens 
20 
aan | A 
nl cle RA i 
i HEE ER RE qh crit : ane 4 
HHHR RR EER Sh: glide Hear Hv 
a EE dNOYS ANOLS3WIT Y3MO71 
8 “2 on “& “O ~o 
Total weight of sample 
in kilograms. 
Total weight of sample 
Lithological section of part of the Lower Limestone Group in the Dunbar area : 
the Chapel Point Limestone to the Barness East Limestone 
Fic. 81. 
showing the abundance 
, 
factor of each sample and the weight of each sample dissolved. For localities see p. 30. 
