134 THE GLACIER EPOCH OF AUSTRALASIA. 
(17) 1891—* The cause of an Ice Age,” Sir Robt. Ball, LL.D., 
F.R.S. London, 1891. 
(18) 1893—“The Astronomical Theory of an Ice Age.” E. 
Seymour Hale. Pro. Roy. Geogr. Soc. of Aus- 
tralasia, Vic., March, 1893. 
1893—Additional evidence of glacial action in the 
western highlands of Tasmania, confirming 
the earlier observations of Gould, Sprent, and 
R. M. Johnston ;— 
(19) EH. J. Dunn, F.G.S. Glacial Action in Tas- 
mania. LHvening Standard, Vic., 1893. 
(20) T. B. Moore. Glacial Action in the vicinity of 
Mount Murchison, Mount Tyndall, ete., Tas- 
mania. Paper read Roy. Soc. of Tas., April, 
1895. 
(21) A, Montgomery, M.A. Glacial Action in Tas- 
mania. Paper read Roy. Soc. of Tasmania, 
May, 1893. 
SPECIAL REFERENCE. 
(22) “Great Ice Age: Its Relation to the Antiquity of _ 
Man.” Professor James Geikie, D.C.L., F.R.S. 
(23 ‘On Climate and Time in their Geological Rela- 
tions.” Dr. Croll. 
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