SULPHUROUS ACID AND SULPHITES. 775 



FEBRUARY MARCH 



SUMMARY N. s I-2-3-4-5-6 , RECEIVED Na 2 S0 3 



FORE PERIOD PRESERVATIVE PERIOD AFTER PERIOD 



r*. 

 LEGEND} 



FIG. i.- Daily and average body weights for Series VII, Nos. 1 to 6 and summary. (No. 5 is 

 included in the summary throughout the fore period . ) 



