210 Mr. V. H. Veley and Dr. A. D. Waller. [Nov. 23, 



Fig. 5 —Effect of ethyl Fig. 6.— Effect of ethyl alcohol, njl, at 17". 



alcohol, n/l, at 24°. 



Fig. 7. — Effect of ethyl alcohol, at 7°. 



The results are set out in the following table, in which are given the 

 temperatures, the times of abolition taken as the factors of chemical change, 

 their logarithmic differences, and the values for the factor m : — 



Ethyl Alcohol. 



Temperatures, 



Times. 



LogT,/To. 



Log Lo/Li. 



m. 



o 



7 



20 



0000 



OOOG 





14 



12 -5 



0108 



2041 



18-9 



15 



12 -0 



0121 



2218 



18 -3 



17 



9 0 



0152 



3468 



22 -1 



18 



9-0 



0167 



3468 



20-7 



li) 



7 -5 



0182 



4259 



23 -4 



20 



7-5 



0197 



4259 



21 -6 



24 



6-0 



0251 



5228 



20 -5 











20 -8 



Note. — The decimal points of tlio logs, are taken as uudorstood, both iu the 

 tables and in the graplis. 



The observed and calculated times compare as follows : — 



Times Times Times Times 



(observod). (calculated). (obtained). ((•alculated). 



20 20 9-0 9-0 



12-5 11-9 7-5 8-4 



120 11-2 7-5 7-8 



90 9-7 .6-0 5-9 



