Volume 80, 1952

Contents
| Botany | Pages |
| A Revision of the Genus Dracophyllum: Supplement | |
| By W. R. B. Oliver | 1–17 |
| New Entities in the Chlorophycea of New Zealand | |
| By V. J. Chapman | 47–58 |
| Cladode Anatomy and Leaf Trace Systems in New Zealand Brooms | |
| By Brenda F. Slade | 81–96 |
| The Genus Codium in New Zealand. Part I—Systematics | |
| By Vivienne Dellow | 119–141 |
| Distribution of the Mosses Indigenous to New Zealand. Supplement No. 2 | |
| By William Martin | 197–205 |
| The Development of Nothofagus Seed (Including a Preliminary Account of the Embryogeny, etc.) | |
| By A. L. Poole | 207–212 |
| New Records of Northern Hemisphere Mosses in New Zealand | |
| By K. W. Allison | 233–235 |
| The Genus Codium in New Zealand. Part II—Ecology, Geographic Distribution | |
| By Vivienne Dellow | 237–243 |
| The New Zealand Species of Durvillea | |
| By Margaret Naylor | 277–297 |
| Further Notes on Pterostylis R. Brown and Thelymitra J. R. and G. Foster | |
| By Edwin D. Hatch | 323–327 |
| New Zealand Hepaticae (Liverworts)—VII. A Review of the N.Z. Species of the Genus Lophocolea with Notes on Chiloscyphus | |
| By E. Amy Hodgson | 329–358 |
| Vegetative Anatomy in Donatia, Phyllachne, Forstera and Oreostylidium and its Taxonomic Significance | |
| By L. J. Rapson | 399–402 |
| Name Changes in the Orchidaceae Consequent Upon Amendments to the International Rules | |
| By Edwin D. Hatch | 403–404 |
| Geology | |
| The Alpine Schists and the Upper Triassic of Harpers Pass (Sheet S52), South Island, New Zealand | |
| By H. W. Wellman, G. W. Grindley, F. W. Munden | 213–227 |

| History | Pages |
| History of the New Zealand Society, 1851–1868. A Wellington Scientific Centenary | |
| By L. Bastings | 359–366 |
| Palaeogeography | |
| Palaeogeography of the Australian-New Zealand Region in Lower Devonian Time | |
| By Edmund D. Gill | 171–185 |
| Zoology | |
| A Skeleton of Notornis hochstetteri Meyer from Waitati, Otago, and Notes on Distribution of the Bird in the South Island, N.Z. | |
| By L. Gurr | 19–21 |
| Studies on the Earthworm Fauna of New Zealand. III | |
| By K. E. Lee | 23–45 |
| Additions to the Rotatoria of New Zealand. Part 4 | |
| By C. R. Russell | 59–62 |
| Studies on the New Zealand Amphipodan Fauna No 1—The Family Cyamidae: The Whale-louse Paracyamus boopis | |
| By D. E. Hurley | 63–68 |
| A Preliminary Study of the Land Operculate Murdochia pallidum (Cyclophoridae, Mesogastropoda) | |
| By J. E. Morton | 69–79 |
| The Occurrence of Aquatic Oligochaetes in Soil | |
| By J. D. Stout | 97–101 |
| Studies on the Biology of Pentatomid Bugs of the Genus Rhopalimorpha Dallas (Heteroptera) | |
| By J. G. Pendergrast | 143–153 |
| New Zealand Ichneumonidae II Tribe Echthromophini (Pimplinae) | |
| By Arthur W. Parrott | 155–170 |
| Ascidians of New Zealand. Part VIII. Ascidians of the East Cape Region | |
| By Beryl I Brewin, | 187–195 |
| Notes on the Genus Haliotis (Mollusca), a New Subgenus from New Zealand, and a New Species from the Late Cenozoic of Ohope, Bay of Plenty | |
| By C. A. Fleming | 229–232 |
| A Study of the Genus Uropetala Selys (Order Odonata) from New Zealand | |
| By L. S. Wolfe, M.Sc. | 245–275 |

| The Heteroptera of New Zealand, Part I—Introduction; Cydnidae; Pentatomidae | |
| By T. E. Woodward | 299–321 |
| A New Species of Diptilomiopus Nalepa (Acarina. Eriophyidae) Together With a Key to the Genus | |
| By K. P. Lamb | 367–370 |
| New Plant Galls II: Description of Seven New Species of Gall-Mites and the Galls Which They Cause | |
| By K. P. Lamb | 371–382 |
| The Biology of Anisolabis littorca (White) (Dermaptera: Labiduridac) | |
| By E. T. Giles | 383–398 |
| Obituary | |
| Sir William Blaxland, K. B. E., F. R. S. | 103–112 |
| Bernard Cracroft Aston, C. B. E., F. R. S.N. Z., F. R. I. C. | 113–118 |
| Proceedings | |
| Annual Meeting, 1951 | i–xlvi |
| Annual Meeting, 1952 | xlvii–xcv |
| Appendix | |
| Appendix | 405–416 |
| Index | |
| Index to Vol. 80 | 417–420 |
