58 STUDIES, SCIENTIFIC AND SOCIAL chap, hi 



indicated by the facts adduced by Mr. Fisher there exists 

 a molten interior of unknown thickness, although below this 

 molten matter there may be a core, perhaps of equal bulk, 

 formed mainly of solid but imperfectly aggregated matter, 

 permeated by liquids and gases. Whether such a mixed 

 constitution of our globe accords with the evidence of the 

 pendulum experiments must be left to the mathema- 

 ticians to determine. 



