- 10 - 
i 
Figure 5: Composition of ,'BCs by Size of IBC: 
Percent of Scientists in rDNA Disciplines and 
Percent of Institutionally Affiliated Members 
Average 
Percent of 
IBC Members 
that are: 
1) rDNA 
Scientists 
or 
2) Institu- 
tional 
Affiliated 
100 % 
90% 
80% 
70% 
60% 
50% 
40% 
30% - 
. i i .. i > > > i 
i ‘ I I * J I I l_ 
10 
12 
14 
16 18 
20 
Size of IBC (Number of Members) 
[ 396 ] 
