6 Mr. J. C. Mottram and Dr. S. Russ. Susceptibility and 



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 Days. 



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t 



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 t 

 t 



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 /If. IJ J4 U/ 4.S 55 



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 Fig. 3. — ^The plotted line shows the tumour growth up to the day of inoculation. 

 The result of the inoculation is seen in the charts to the right. 



