Page:Wound infections and some new methods for the study of the various factors which come into consideration in their treatment.djvu/23

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BIOLOGICAL EVOLUTION

9

to the heaviest implanted. This is effected by cutting through the proximal end of the stem of the pipette and then the distal end, and afterwards

Slide I: Graduated dilutions of pus arranged on slide. Slide II: Volumes of serum implanted with the above dilutions of pus.

Fig. 4.—Capillary pipette filled with five unit volumes of serum and one unit volume of the last dilution of pus.