292 



MR. V. H. VELEY ON THE CONDITIONS OF THE 



SERIES III. 

 Mixture as in Series II. Temperature 75'6. 



SERIES IV. 

 Mixture as above. Temperature 82'l. 



SERIES V. 

 Mixture as above. Temperature 90. 



In the four preceding series the only known variable is the temperature ; but there 

 is not apparently any immediate correlation between the factor 1/C and the tempera- 

 ture, as the following figures show : 



