The following table gives the more important cultural characteristics of the intestinal bacilli which might be confused with the various strains of dysentery bacilli. Key for column headings: A - Motility B - Milk coagulation C - Glucose D - Maltose E - Lactose F - Mannite G - Saccharose H - Glucose neutral red bouillon I - Butt J - Slant K - Indol ------------------+---+---+-------+---+---+---+---+---+----+--------+--- | | |Litmus | | | | | | |Russel’s| | | | Milk | | | | | | | Medium | | | |-------| | | | | | |--------| | | |1st|3d | | | | | | | | | A | B |day|day| C | D | E | F | G | H | I | J | K ------------------+---+---+---+---+---+---+---+---+---+----+---+----+--- B. faecalis | | | | | | | | | | | | | alkaligines | + | - |Alk|Alk| O | O | O | O | O | O | O | O | - ------------------+---+---+---+---+---+---+---+---+---+----+---+----+--- B. typhosus | + | - | A | A | A | A | O | A | O | O | A |Alk | - ------------------+---+---+---+---+---+---+---+---+---+----+---+----+--- B. dysenteriae | | | | | | | | | | | | | (Shiga-Kruse) | - | - | A |Alk| A | O | O | O | O | O | A |Alk | - ------------------+---+---+---+---+---+---+---+---+---+----+---+----+--- B. dysenteriae | | | | | | | | | | | | | (Flexner-Strong) | - | - | A |Alk| A | A | O | A | O | O | A |Alk | - ------------------+---+---+---+---+---+---+---+---+---+----+---+----+--- B. dysenteriae | | | | | | | | | | | | | “Y” | - | - | A |Alk| A | O | O | A | O | O | A |Alk | + ------------------+---+---+---+---+---+---+---+---+---+----+---+----+--- B. Morgan No. 1 | + | - | O | O |A G| O | O | O | O | G | | | + ------------------+---+---+---+---+---+---+---+---+---+----+---+----+--- B. paratyphosus A | + | - | A | A |A G|A G| O |A G| O | G |A G|Alk | - ------------------+---|---+---+---+---+---+---+---+---+----+---+----+--- B. paratyphosus B | + | - | A |Alk|A G|A G| O |A G| O |G Fl|A G|Alk | - ------------------+---+---+---+---+---+---+---+---+---+----+---+----+--- B. enteriditis | | | | | | | | | | | | | (Gaertner.) | + | - | A |Alk|A G|A G| O |A G| O |G Fl|A G|Alk | - ------------------+---+---+---+---+---+---+---+---+---+----+---+----+--- B. coli | + | + | A | A |A G|A G|A G|A G| O |G Fl|A G| A | + ------------------+---+---+---+---+---+---+---+---+---+----+---+----+--- B. lactis | | | | | | | | | | | | |