EXPERIMENT STATION REPORTS. 151 



SEVEN DAY COUNTS ON PURE CULTURES FROM BUTTER— Continued. 



Germ. 



Media. 



D-L (lactic) 



A-S (lactic) 



VIII b A (yellow) 



D-L (lactic) 



A-S (lactic) 



VI e A (lactic).... 

 IV cB (lactic)... 



D-L (lactic) 



A-S (lactic) 



VI c A (lactic)... 

 IV cB (lactic)... 



D-L (lactic) 



A-S (lactic) 



IV cB (lactic)... 

 Vic A (lactic)... 



Ordinary. 

 Whey... 

 Lactose. . 



f Ordinary. 



j Whey 



I Lactose.., 



Ordinary. 



\ Whey.... 



Lactose... 



Ordinary. 

 Whey.... 

 Lactose.. 



Ordinary. 

 Wiiey. . . 

 Lactose.. 



Ordinary. 



Whey 



Lactose. . 



Ordinary. 

 Whey. . . 

 Lactose. . 



Ordinary. 

 Whey... 

 Lactose . . 



Ordinary. 

 Whey..'. 

 Lactose.. 



Ordinary. 

 Whey. . . 

 Lactose.. 



Ordinary. 

 Whey... 

 Lactose. . 



Ordinary. 



Whey.... 



L Lactose.. 



Ordinary. 

 Whey. . . 

 Lactose.. 



f Ordinary. 

 \ Whey... 

 t Lactose.. 



r Ordinary. 

 \ Whey... 

 L Lactose.. 



Dilutions. 



10,000. 



10,150 



12,530 



7,164 



4,179 

 4,179 

 4,760 



153 



25 



100 



100,000. 1,000,000. 10,000,000 



1,122 



1,650 



990 



660 

 528 

 462 



13,250 

 14,850 

 17,100 



3,600 

 3,600 

 3,150 



17,5.50 

 22,950 

 21,600 



20 

 15 

 23 



10,800 

 11,250 

 11,250 



3,600 

 2,250 

 4,950 



11,700 

 14,850 

 13,500 



0,300 

 6,300 

 5,850 



1,000 



800 



1,700 



contaminated 

 450 

 375 



3.tj00 

 2,250 

 2,250 



1,540 

 1,750 

 1,100 



800 

 500 

 800 



700 

 300 

 350 



1,650 

 200 

 .300 



16,119 

 20,298 

 24,283 



4,536 

 3,240 

 3,240 



7,164 



5,970 



11,343 



29,850 

 37,611 

 26,268 



3,564 

 2,574 

 2,244 



contaminated 

 250 



288 



contaminated 



62 



100 



(cont.) 



3,582 



2,388 

 2,388 



150 

 224 

 176 



65 

 45 



48 



3 

 1 

 1 



198 

 100 

 207 



37 

 31 

 43 



450 

 300 

 400 



127 

 158 

 163 



62 

 75 

 63 



208 

 218 

 180 



58 

 61 



250 

 180 

 257 



29 

 29 



19 



462 

 382 

 326 



14 

 33 

 21 



3 

 5 

 1 



20 

 19 



17 



contaminated 



1 

 9 



20 

 29 

 40 



19 

 13 

 20 



7 

 2 

 5 



is 



14 

 19 



7 



3 



12 



l.S 

 10 

 20 



1 

 3 

 1 



2 

 5 

 6 



45 

 30 

 35 



