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5 / 



% 



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4/ <<. 



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PLATE Xll. ril()T()-M ICKOC.RAl'II OF KlCITT LKXKI.S IX A CKLI,. SlIOWIXC. TlIK KOD-I.I KlC 



ORGANISM WHICH PRODUCES PLANT CANCKR. TiiK Bactcrium tumcfacicHs, 



AS IT APPEARS UNDER TilE MICROSCOPE 

 These bacteria are from a daisv tumor 



6g 



