99 



From 3 Colonies on Soil and Agar to 



L and B agar. 



Na. asp. agar 



Soil ext. (unheated). 

 Agar alone 



5 Days. 



1 — 

 3g. 



11 Days. 



1 — 

 3 g. 



3 g. 

 3g. 



15 Days. 



1 — 

 3 g. 



3 g. 

 3 g. 



From 3 Colonies on Soil Extract {unhealed) to 



L and B agar. 

 Na. asp. agar. . 

 Agar alone 



5 Days. 



3 g. 

 3 g. 

 3 g. 



11 Days. 



3 g. 

 3 g. 

 3 g. 



15 Days. 



3 g. 

 3 g. 

 3g. 



From 3 Colonies on Soil Extract (autoclaved) to 



L and B agar. 

 Na. asp. agar. 



Agar alone 



Soil ext. (unheated). 



5 Days. 



3 g. 

 3 g. 



{■'• 



11 — 

 3 g. 



11 Days. 



3 g. 

 3g. 



2 g. 

 1 — 



3 g. 



15 Days. 



3g. 

 3g. 



1 — 

 3g. 



Summary (5 Days Results). 

 16 transfers to L and B agar 14 made growth. 



16 transfers to Na. asp. agar 12 made growth. 



17 transfers to Plain agar 13 made growth. 



17 transfers to Soil Ext. (unheated) 13 made growth. 



Summary (15 Day Results). 

 16 transfers to L and B agar 14 made growth. 



16 transfers to Na. asp. agar 13 made growth . 



17 transfers to Plain agar 14 made growth. 



17 transfers to Soil ext. (unheated) 15 made growth. 



