386 | Proceedings. 
scooping out of the valley of the Dillon, and gave instances to show that the 
rapidity of the destruction of mountain ranges and the excavation of valleys 
was much underrated. The cutting through of a very slender mountain 
ridge or cól was frequently the cause of changing the whole drainage system, 
throwing immense bodies of ice in a new direction, and completely cutting off 
the supply from former valley channels. He thought, in every case, that 
the glaciers thus cut off from supply had remained in the lower part of the 
valley till an immense quantity of shingle had passed over them, and on 
melting left the deep lake hollows. The cutting through of cóls was the 
origin of most of the lower passes. 
SixrH MzriNG. 24th November, 1873. 
Charles Knight, F.R.C.S., President, in the chair. 
About fifteen members were present. 
New members.—H. Eustace Brandon, J. D. Baird, C.E., Charles Godfrey 
Knight. 
Mr. J. C. Crawford, F.G.S., was chosen to vote in the election of the Board 
of Governors for the ensuing year, in accordance with Clause 7 of the New 
Zealand Institute Act. 
The nomination for the election of Honorary Members of the New Zealand 
Institute was made in accordance with Statute IV. 
1. “Descriptions of some New Zealand Lichens, collected by John 
Buchanan in the Province of Wellington," by James Stirton, M.D. Glasgow ; 
communicated by John Buchanan. (Transactions, p. 235). 
SEVENTH MEETING. 16th January, 1874. 
Charles Knight, F.R.C.S., President, in the chair. 
New members.—W. H. Jones, Charles Hepburn Robson, James Nelson 
Williams, George Henry Davies, William Brown. 
l. *Notes on a Visit to White Island, in the course of a trip made in 
H.M.5. * Basilisk, ” by the Rev. William Sewell, M.A. , 
ы (ABSTRACT.) 
The author's party landed, with some difficulty, at the only entrance to the 
hot sulphur springs. After going some way they reached the great central 
lake, which appeared to be some 700 yards or more in circumference. He 
