“…Edwards et al (1943) described Salmonella mississippi and assigned to it 0 antigens 1,13,23 but noted that the 0 antigens of this type were not identical with those of S. worthington. Likewise, Hormaeche et al (1944) designated the 0 antigens of Salmonella grumpensis as 13,23 but stated that certain peculiarities of the 0 antigens were not expressed by these symbols.…”