[Discovery Reports. Vol. XXIII, pp. 37-102, Jw/zc, 1945] 



REPORT ON ROCKS FROM WEST ANTARCTICA 



AND THE SCOTIA ARC 



By 



G. W. TYRRELL, A.R.C.Sc, D.Sc, F.G.S., F.R.S.E. 

 (Lecturer in Geology, University of Glasgow) 



