2QO SCIENCE AND PRACTICE OF CHEESE-MAKING 



WATER BOILS 212 = I J 



BACTCRIA 



BUOOO HEAT.E 



--GROWTH CEASES. 



MOST RAPID. 



-GROWTH RETARDED. 



WATER FREEZES O2.-H L. GROWTH CEASES, 



FIG. 43 INFLUENCE OF TEMPERATURE ON BACTERIA ORDINARILY 



FOUND IN MILK (Rogersj. 



