PLATE 14. 



TYPICAL MILK PLATES. 



a." -Od c.c. of a 1 in bw diliiliou att'T Jl hours at 15' C. 



6. -1 c.c. of a 1 ill 500 ili'.iitiou after 24 hours a*: 15= C. [C t tree n pages 130 131. 



