Bacillus (shape) Bacillus (shape) A bacillus (plural bacilli) or bacilliform bacterium is a rod-shaped bacterium or archaeon. Bacilli are found in many different taxonomic groups of bacteria. However, the name "Bacillus", capitalized and italicized, refers to a specific genus of bacteria. The name Bacilli, capitalized but not italicized, can also refer to a less specific taxonomic group of bacteria that includes two orders, one of which contains the genus "Bacillus". When the word is formatted with lowercase and not italicized, 'bacillus', it will most likely be referring to shape and not to the genus at all. Bacilliform bacteria are also often simply
What Is History? that events could not have happened differently unless there was a different cause. He called “these so called accounts in history represent a sequence of cause and effect interrupting and so to speak clashing with the Sequence of which the historian is primarily concerned to investigate.” He feels that the main job of a historian is to investigate the reasons/causes as to why events occurred and not to create the events or justify them. He was not a fan of "what if" history and he found it pointless because it did not happen. Carr saw accidents in history as impossible