A taxonomic genus within the family Bacillidae — certain stick insects.
Origin of bacillus
Late Latin diminutive of Latin baculumrodbak- in Indo-European roots
p. r; Sturgis, " A Soil Bacillus of the type of de Bary's B.
The conditions which favour the vitality, growth and multiplication of the typhoid bacillus are the following: the soil should be pervious; it should be permeated with a sufficiency of decaying - preferably animal - organic matters; it should possess a certain amount of moisture, and be subject to a certain temperature.
bacillus, little rod or stick.
By 1876 the anthrax bacillus had been obtained in pure culture by Koch, and some other pathogenic bacteria had been observed in the tissues, but it was in the decade 1880-1890 that the most important discoveries were made in this field.