whereas in broth cultures ( fig . 3 ) as well as in the centre of colonies on solid media ( fig . 5a ) the cells appeared as cocoid rods with polar flagellation , they developed elongated forms at the edge of the swarming zone , which - either in addition to or devoid of the polar flagella - were peritrichously populated with thin , flagella-like filaments ( figs . tb , 6 , 7 and 8 ) .
C0007634
cells
C0010851
filaments