Robinson, "Chick embryonic Schwann cells migrate anodally
in small electrical fields," Experimental Neurology, vol.
Likewise, alleles at each locus were designated sequentially with the most anodally
migrating allozyme designated "a" and progressively slower forms "b", "c", and so on.
Alleles were designated sequentially, with the allele encoding the most anodally
migrating allozyme designated 1.