VEBODA GROUP 



939 



A. Mannitol not fermented — Morgan group. 



B. Mannitol partially fermented with the production of acid, but no gas 



• — Veboda group. 



. C. Mannitol completely fermented with the production of acid and gas — 

 Paratyphoid- Asiaticus group. 



The Morgan group only contains Salmonella morgani, which is the 

 same as Morgan 1. of older nomenclature. 



Veboda Group. 

 This group contains two organisms — viz., Salmonella veboda 

 Castellani, 1909, and S. willegoda Castellani, 1911. They may be 

 distinguished as follows : — ■ 



Dulcitol. 



Acid and gas. Acid. 



Salicin. Salicin. 



No ciiange. Acid and gas. 



Veboda. Willegoda, 



Paratyphoid-Asiaticus Group. 

 This group contains a number of forms, some of which are of 

 tropical importance. It may be classified as follows : — 



A. Indol not produced — Paratyphoid division. 



B. Indol produced — Asiaticus division. 



The first subgroup contains 5. paratyphi A, S. paratyphi B, 

 S. aertrycke, S. wolini<^. The term S. paratyphi C has been applied 

 by various authors to indicate different germs, one of which is 

 identical serologically with 5. enteritidis. 



Paratyphoid Division : Indol Non- Producers. 

 Milk. 



J 



Permanently acid. Becomes alkaline after a time. 



I . I 

 Paratyphi Gaertner serum, 



= B. paratyphosus A . j 



No agglutination. Agglutination. 

 Castellani 's absorption test Enteritidis Gaertner 



vfith. Paratyphosus B . sernvn. =B. danysz. 



Agglutinins absorbed. Agglutinins not absorbed. 



Paratyphi B. \ 

 = B. paratyphosus B. Dulcitol. 



Gis. No gas. 



Aertrycke WolinicB. 

 = Suipestifer 



Psittacosis 

 — Typhimurium [p.p.). 



