Brnson.—Structural Features of the Margin of Australasia. 99 
The Structural Features of the Margin of Australasia. 
By W. N. Benson, B.A., D.Sc., F.GS., F.R.G.S., Professor of Geology, 
Otago University. 
[Read before the Otago Institute, 12th December, 1922* ; received by Editor, 31st December, 
922 ; issued separately, 26th May, 1924.] 
Іх previous papers the writer (1923, 1924) has summarized the various 
hypotheses concerning the growth of Australasia, the distribution and 
East Indies, New Guinea, and the other islands of the first Australian 
tralian ares of Suess. ncerning these, however, we shall merely note 
Suess’s comment (1909, p. 517) on the possibility that Vitu Levu ma 
pa 
still more widespread influence of the Australasian tectonic system - 
impli (1922) and Hobbs (1922) on the 
i Pacific. Such omission 
era. в second region, again, is bounded by a line drawn round the 
south-eastern margin of the Banda arc and eastwards through southern 
New Guinea, separating it from the stable region of the Sahul Bank, 
Arafura Sea, and southern New Guinea, the outlying portions of the 
* Also in Wellington before the sixteenth meeting of the Australasian Association 
for the Advancement of Science, January, 1923. 
4* 
