{|style="margin:0 auto 0 auto;font-size:83%;border-collapse:collapse;text-align:center;"

|- |+ style="font-size:120%;font-variant:small-caps;"|Table showing the Morphological and Cultural Characters of Bacillus Dysenteriæ and the Allied Group of Micro-Organisms after Twenty-four Hours' Incubation at 37º C. |-style="border-top:1px solid black;border-bottom:1px solid black;font-variant:small-caps;" |Organism ||style="border-left:1px solid black;border-right:1px solid black;"|Character ||Motility ||style="border-left:1px solid black;border-right:1px solid black;"|Flagella ||Glucose peptone water ||style="border-left:1px solid black;border-right:1px solid black;"|Maltose peptone water ||Lactose peptone water ||style="border-left:1px solid black;border-right:1px solid black;"|Saccharose peptone water ||Mannite peptone water ||style="border-left:1px solid black;border-right:1px solid black;"|Dexterin peptone water ||Litmus milk ||style="border-left:1px solid black;border-right:1px solid black;"|Potato ||Gelatin stab ||style="border-left:1px solid black;"|Indol |-style="vertical-align:text-top;" |style="text-align:left;font-variant:small-caps;"|Bacillus typhosus ||style="border-left:1px solid black;border-right:1px solid black;"|Oval rods with rounded ends 2 μ x 0·6 μ ||+ ||style="border-left:1px solid black;border-right:1px solid black;"|8—12 ||A ||style="border-left:1px solid black;border-right:1px solid black;"|A ||0 ||style="border-left:1px solid black;border-right:1px solid black;"|0 ||A ||style="border-left:1px solid black;border-right:1px solid black;"|A ||A
slight ||style="border-left:1px solid black;border-right:1px solid black;"|Scanty moist yellowish growth ||Slight white growth in 48 hours. No gas ||style="border-left:1px solid black;"|None |-style="vertical-align:text-top;" |style="text-align:left;font-variant:small-caps;"|Bacillus coli* ||style="border-left:1px solid black;border-right:1px solid black;"|Oval rods 2—4 μ x 0·4. 0·6 μ ||∓ ||style="border-left:1px solid black;border-right:1px solid black;"|3—4 ||AG ||style="border-left:1px solid black;border-right:1px solid black;"|AG ||AG ||style="border-left:1px solid black;border-right:1px solid black;"|AG∓ ||AG ||style="border-left:1px solid black;border-right:1px solid black;"|AG ||A/Clot ||style="border-left:1px solid black;border-right:1px solid black;"|Thick moist brownish growth ||Slight white growth Gas bubbles ||style="border-left:1px solid black;"|+ |-style="vertical-align:text-top;" |style="text-align:left;"|Bacillus enteritidis (Gärtner)||style="border-left:1px solid black;border-right:1px solid black;"|Same as typhoid ||style="border-left:1px solid black;border-right:1px solid black;"|+ ||Peritrichous flagella ||style="border-left:1px solid black;border-right:1px solid black;"|AG ||AG ||style="border-left:1px solid black;border-right:1px solid black;"|0 ||0 ||style="border-left:1px solid black;border-right:1px solid black;"|AG ||AG ||style="border-left:1px solid black;border-right:1px solid black;"|A/Alk. ||Same as typhoid ||style="border-left:1px solid black;border-right:1px solid black;"|Same as typhoid ||∓ |-style="vertical-align:text-top;" |style="text-align:left;font-variant:small-caps;"|Bacillus paratyphosus (A. Brion-Keyser and B. Schottmüller) ||style="border-left:1px solid black;border-right:1px solid black;"|Same as typhoid ||+ ||style="border-left:1px solid black;border-right:1px solid black;"|8—12 ||AG ||style="border-left:1px solid black;border-right:1px solid black;"|AG ||0 ||style="border-left:1px solid black;border-right:1px solid black;"|0 ||AG ||style="border-left:1px solid black;border-right:1px solid black;"|AG ||A/Alk. ||style="border-left:1px solid black;border-right:1px solid black;"|Same as typhoid„ ||Same as typhoid„ ||style="border-left:1px solid black;"|None |-style="vertical-align:text-top;" |style="text-align:left;font-variant:small-caps;"|Shiga's dysentery bacillus ||style="border-left:1px solid black;border-right:1px solid black;"|Fine rods with rounded ends 1 μ in length x 0·5 μ ||None ||style="border-left:1px solid black;border-right:1px solid black;"|None ||A ||style="border-left:1px solid black;border-right:1px solid black;"|0 ||0 ||style="border-left:1px solid black;border-right:1px solid black;"|0 ||0 ||style="border-left:1px solid black;border-right:1px solid black;"|0 ||A/Alk. ||style="border-left:1px solid black;border-right:1px solid black;"|Thin grey growth ||Thin slimy growth ||style="border-left:1px solid black;"|∓ |-style="vertical-align:text-top;" |style="text-align:left;font-variant:small-caps;"|Flexner's dysentery bacillus ||style="border-left:1px solid black;border-right:1px solid black;"|Fine rods with rounded ends 1 μ in length x 0·5 μ„ ||None ||style="border-left:1px solid black;border-right:1px solid black;"|None ||A ||style="border-left:1px solid black;border-right:1px solid black;"|0 ||0 ||style="border-left:1px solid black;border-right:1px solid black;"|0 ||0 ||style="border-left:1px solid black;border-right:1px solid black;"|0 ||A/Alk. ||style="border-left:1px solid black;border-right:1px solid black;"|Thin grey growth„ ||Thin slimy growth„ ||style="border-left:1px solid black;"|∓ |-style="vertical-align:text-top;border-bottom:1px solid black;" |style="text-align:left;font-variant:small-caps;"|Hiss and Russel's paradysentery "Y bacillus"† ||style="border-left:1px solid black;border-right:1px solid black;"|Fine rods with rounded ends 1 μ in length x 0·5 μ„ ||None ||style="border-left:1px solid black;border-right:1px solid black;"|None ||A ||style="border-left:1px solid black;border-right:1px solid black;"|A∓ ||0 ||style="border-left:1px solid black;border-right:1px solid black;"|0 ||A ||style="border-left:1px solid black;border-right:1px solid black;"|0 ||A/Alk. ||style="border-left:1px solid black;border-right:1px solid black;"|Thin grey growth„ ||Thin slimy growth„ ||style="border-left:1px solid black;"|∓ |-style="vertical-align:text-top;" |colspan=7|* Produces fluorescence in neutral red glucose peptone water ||colspan=7|† In asylum dysentery, especially in Germany |-style="vertical-align:text-top;" |colspan=3|A = Acid. ||colspan=3|AG = Acid and gas. ||colspan=3|0 = No change. ||colspan=4|A/Alk. = Acid first, alkaline after further incubation. |-style="vertical-align:text-top;" |colspan=14|∓ = Variable: sometimes positive, sometimes negative. |}