Archive image from page 167 of The cytology and life-history of. The cytology and life-history of bacteria cytologylifehist00biss Year: 1955 Fig. 67 THE EVOLUTION OF FLAGELLA A. Typhoid bacterium showing typical peritrichous, monofibrillar flagella (sih'er impregna- nation). B. Electron micrograph of complex flagellum of spirillum. {Bv cotii'tesy of Miss P. K. Pease). solid surface which is no more than moist. Under these conditions I Ihrio is entirely immobilised unless the film of fluid is deep enough to permit it truly to swim. This observation, taken in conjunction with the evidence of h


Archive image from page 167 of The cytology and life-history of. The cytology and life-history of bacteria cytologylifehist00biss Year: 1955 Fig. 67 THE EVOLUTION OF FLAGELLA A. Typhoid bacterium showing typical peritrichous, monofibrillar flagella (sih'er impregna- nation). B. Electron micrograph of complex flagellum of spirillum. {Bv cotii'tesy of Miss P. K. Pease). solid surface which is no more than moist. Under these conditions I Ihrio is entirely immobilised unless the film of fluid is deep enough to permit it truly to swim. This observation, taken in conjunction with the evidence of habitat, leads inescapably to the conclusion that the profuse, peritrichous flagellation of Proteus and of certain sporing bacilli is an adaptation to life and motihty, not in water, but in damp soil or decomposing organic matter.


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