Volume 80, 1952

Contents
| Botany | Pages |
| The Genus Codium in New Zealand Part 1—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 |
| ZOOLOGY | |
| Studies on the Biology of Pentatomid Bugs of the Genus Rhopalimorpha Dallas (Heteroptera) By J. G. Pendergrast | 143–153 |
| New Zealand Ichneumonidae. II. Tribe Echthromorphini (Pimphnae) 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 |
| Palaeogeography | |
| Palaeogeography of the Australian-New Zealand Region in Lower Devonian Time By Edmund D. Gill | 171–185 |
| 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 |
