100 
SUMMARY. 
and the ever ready help they accorded me ; all assisted me in collecting, and the 
photographs taken by Engineer-Lieutenant R. W. Skelton, R.N., are invaluable; the 
arrangements made for me by Captain Scott were all that I could have wished. 
I am indebted to Dr. G. T. Prior for the names of the rocks and minerals 
mentioned in the text. 
Lastly, 1 am very grateful to Mr. W. G. Fearnsides, M.A., F.G.S., Fellow of 
Sidney Sussex College, for kindly reading the whole of the manuscript and suggesting 
many improvements in the text. 
