JOURNAL OF 



THE TRANSACTIONS 



OP 



®h* Oictoria Jttstitttt^ 



OR, 



Ijjjilosaplrieal Sacietn of §xmt %nfam. 



Secretary: E. WALTER MAUNDER, F.R.A.S. 



VOL. XLVIIL 



LONDON: 



(Pufcltsrjrti by tt)r institute 1, Central 38utUrinjj£?, mtfmintfttv, 



1916. 



