222 Profs. Percy Frankland and Marshall Ward. 



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"Volume 

 of water 

 employed 

 for plate 

 cultivation. 



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Number 

 of days 

 plates 

 were in- 

 cubated. 



t? 



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00 00 VO lO iO 



00 00 00 



Number 

 of plate. 



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N CO CD b- 



CD CO CO CO 



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HH HHH 



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00 CO CO 

 *H HH 



Particular 



flask 

 employed. 

 # 





HHfifi 

 HrHHrt 



p3 pel # 



rH H rH H rH H 



M HH 



iH H <M 



Date on 

 which 

 plates 

 were 



poured. 



25.3.92 



29.3.92 



13.4.92 



26.4.92 



