One parasitic protozoan like an amœba is called Plasmodium malari.
There we know that it acts by killing the plasmodium and is a real specific.
The plasmodium in this case chances to be red, scarlet, etc.
With the same exception, the plasmodium in every case is yellow.
Plasmodium at first white, then pink, 'ashes of roses,' etc.
The plasmodium just before the formation ...