About Bacteria

Bacteria are simply microscopio plants of varying1 size and shapes, somo of them being so small that Cfteen thousand laid end to end would not make a row more tlian an inch in length. Some are flat, others round or oval, and still others are rod shaped. The oddest form of all is that of the one that is the exact counterpart of a corlcscrew. In all cases they are so minute that one needs a powerful microscope In order to study them and in no case can they be perceived with the unaided e.ye alone