Three new species of Salmonella are described.
1. S. durban was obtained from an adult native woman suffering from dysentery. The antigenic formula allocated to it was IX-a, enx.
2. S. reading var. kaapstad was isolated from the cerebrospinal fluid of a child suffering from meningitis. Its antigenic structure was found to be IV-eh: 1, 7.
3. Two unrelated organisms were isolated from one of a group of pigs affected with paratyphoid. The one turned out to be
S. heidelberg, factors IV, V-r: 1.2, while the other was found
to be a new species with the following antigenic structure: XI-
k: 1,2. The latter was named S. pretoria.
4. The biochemical reaction of these organisms are given in
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