Contents.

Transactions and Proceedings of the Royal Society of New Zealand, Volume 60, 1930, Page vii

Contents. Page Annual Meeting, New Zealand Institute 1 Minutes and Proceedings of the Fourth Science Congress, Auckland, January, 1929 25 Presidential Address: The mineral foods, with special reference to our Agricultural Industries. By B. C. Aston, F.I.C., F.C.S., F.N.Z.Inst. 38 Astronomy. Report of the Section for the Observation of Meteors (N.Z. Astronomical Society), 1927–1928. By R. A. McIntosh, F.R.A.S., Auckland 448 The Total Solar Eclipse of 21–22 October, 1930. By P. W. Glover, F.R.A.S., New Plymouth 515 Botany. The New Zealand Species of Gigartina. By R. M. Laing, B.Sc., F.N.Z.Inst., Christchurch, and H. W. Gourlay, M.Sc. 102 An Epidemic Occurrence of Ustilago comburens Ludwig on Danthonia pilosa R.Br., an unrecorded host for New Zealand. By Beryl I. Parlane, M.A., Cawthron Institute, Nelson 253 A remarkable Senecio Hybrid. By H. H. Allan, D.Sc., F.N.Z.Inst., Plant Research Station, Palmerston North, and W. A. Thompson 265 Botanical Notes and New Varieties. By H. Carse, Onehunga 305 A Preliminary Catalogue of New Zealand Plants cultivated in Britain. By A. Wall, M.A., Canterbury College, Christchurch 379 New Combinations in the Genus Hebe. By L. Cockayne, C.M.G., F.R.S., Ph.D., Wellington 465 Notes on the apical Gemmae of Tortula abruptinervis. By Mrs. E. A. Hodgson, Turiroa, Hawkes Bay. 544 Notes on Sexual Expression in certain species of New Zealand Coprosmas. By G. V. Wild, B.A., B.Sc., Feilding, and V. D. Zotov, Plant Research Station, Palmerston North 547

On the occurrence of Lemna oligorrhiza Kurz in New Zealand. By T. L. Lancaster, M.Sc., University College, Auckland. 563 Botanical Notes, New Species and New Hybrids. By H. Carse, Onehunga. 571 A Reference List of New Zealand Marine Algae. Supplement I. By R. M. Laing, B.Sc., F.N.Z.Inst., Christchurch 575 Chemistry. The Essential Oil of Melicope ternata (Wharangi). By C. B. Radcliffe, Auckland 251 Note on the Solubility of Calcium Oxide in Sodium Hydroxide and Calcium Chloride. By A. M. Wright, F.I.C., and H. O. Askew, M.A., Ph.D., Christchurch 267 Geology. The late Cretaceous and Tertiary Rocks of New Zealand. By J. Henderson, D.Sc., F.N.Z.Inst., Geological Survey, Wellington 271 The significance of the Genus Pleurodictyum in the Palaeozoic Rocks of New Zealand. By R. S. Allan, M.Sc., Ph.D., Emmanuel College, Cambridge 320 Palaeontology. Tertiary Irregular Echinoids from the Chatham Islands, N.Z. By A. G. Brighton, M.A., F.G.S., Sedgwick Museum, Cambridge 308 New Zealand Fossil Polyplacophora (Chitons). By Edwin Ashby, F.L.S. 366 The Tertiary (Waitematan) Molluscan Fauna of Oneroa, Waiheke Island. By A. W. B. Powell, Auckland Museum, and J. A. Bartrum, M.Sc., F.N.Z.Inst., University College, Auckland 395 A Tertiary Irregular Echinoid from the Chatham Islands, N.Z. By A. G. Brighton, M.A., F.G.S., Sedgwick Museum, Cambridge. 565

Zoology. The recent and tertiary species of the genus Buccinulum in New Zealand, with a Review of related genera and families. By A. W. B. Powell, Auckland Museum 57 Marine Fauna of the Chatham Islands. By Maxwell W. Young, F.C.S., Wellington 136 On the New Zealand Lamprey, Geotria australis Gray. Part 1.—Biology and Life History. By F. G. Maskell, B.A., M.Sc., Victoria University College, Wellington 167 Mosquitoes of the Auckland District By David H. Graham, Auckland Museum 205 Notes on New Zealand Mollusca, No. 4. By Marjorie K. Mestayer, Dominion Museum, Wellington 247 Biological Notes on New Zealand Lepidoptera. By A. V. Chappell, Cawthron Institute, Nelson 259 Notes and Descriptions of New Zealand Lepidoptera. By Alfred Philpott, Cawthron Institute, Nelson 300 The Male Genitalia of the New Zealand Thyrididae, Pyralidae, Galleriidae and Phycitidae. By Alfred Philpott, Cawthron Institute, Nelson. 473 Descriptions of New Zealand Lepidoptera. By Edward Meyrick, B.A., F.R.S. 483 The Male Genitalia of the New Zealand Crambidae. By Alfred Philpott, Auckland Museum. 491 Further microscopical details of New Zealand Loricata. By the late C. E. R. Bucknill, L.M.S.S.A., Tauranga. 521 New Species of New Zealand Mollusca from shallow-water dredgings. By A. W. B. Powell, Auckland Museum. 532 Life Histories of New Zealand Lepidoptera. By A. V. Chappell, Cawthron Institute, Nelson 557 Miscellaneous. Note on the Food of the Mutton Bird. By C. Monro Hector, M.D., B.Sc., Wellington 245 Beach Gravels and Sands. By P. Marshall, M.A., D.Sc., F.G.S., Wellington 324

Occurrence of Manuka Manna, II. By F. P. Worley, D.Sc., University College, Auckland 394 The Changes produced by Oxidation in the Pitted Tracheids of certain New Zealand Forest Trees, and their Significance in the Study of Coals. By W. P. Evans, M.A., Ph.D., Wellington 481 Obituary. Charles Chilton (with portrait) 584 Abstracts. The Essential Oil of Phebalium Nudum. By C. B. Radcliffee and W. F. Short 202 A new species of Lilaeopsts from New Zealand. By Arthur W. Hill 202 Notes on Corysanthes and some species of Pterostylis and Caladenia. By Rev. H. M. R. Ruff, B.A. 203 Review. Mineral Pastures and their relation to Animal Nutrition. By J. B. Orr, D.S.O., M.C., M.A., D.Sc., M.D. 203 Appendix. New Zealand Institute Acts and Regulations 591 Research Grants, 1929 601 Board of Science and Art 601 Tongariro National Park Board 602 Hutton Memorial Medal and Research Fund 603 Hector Memorial Research Fund 606 Hamilton Memorial Fund 609 Carter Bequest 610 New Zealand Institute—List of Officers, etc. 612 Roll of Members 617 Serial Publications received by the Library of the Institute 638 List of Institutions to which the Publications of the Institute are presented 650 General Index 660