Transactions
of the
Royal Society of New Zealand

Volume 86

Published by The Royal Society of New Zealand,

Victoria University of Wellington,

P.O. Box 196, Wellington, New Zealand

Editor: J. T. Salmon, D.Sc., F.R.S.N.Z., F.R.E.S.

Associate Editor: C. A. Cotton, D.Sc., Hon. LL.D., A.O.S.M., F.G.S., F.R.S.N.Z.

Parts 1 and 2 (Pages 1–195) Issued February, 1959

Parts 3 and 4 (Pages 197–394) Issued May, 1959

London Agent

High Commissioner for New Zealand, 415 Strand, London, W.C.2

Printed by Otago Daily Times and Witness Newspapers Co., Ltd., Dunedin, New Zealand