JOUENAL OF 



THE TRANSACTIONS 



OP 



OE, 



|PP0S0pl)wal B>adtt^ of §xmi Britain. 



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



VOL. XLV. 



LONDON: 



<}Bu6HS{(rt 6b t^t JEiiStttute, 1, anrtiillt Kttvice ^auit, Cl)artita €tasi, W.C.) 



1913. 



