Volume 78, 1950
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Volume 78, Part 1
| Zoology | |
| Notes on Synonymy among New Zealand Insects | Pages |
| By J. T. Salmon | 1–2 |
| New Zealand Flycatchers of the Genus Petroica Swainson—Part 1 | |
| By C. A. Fleming | 14–47 |
| Ascidians from Otago Coastal Waters | |
| By Beryl I. Brewin | 54–63 |
| A New Species of Acridiidae (Insecta: Orthoptera) from New Zealand | |
| By J. T. Salmon | 69 |
| Ctenophores from the Waters of Cook Strait and Wellington Harbour | |
| By Patricia M. Ralph | 70–82 |
| An Occurence in Wellington Harbour of Cyclotrichium meunieri Powers, a Ciliate causing Red Water, with Some Additions to its Morphology | |
| By Brian M. Bary, and R. G. Stuckey | 86–92 |
| Studies on New Zealand Hirudinea. (Part 1) Pontobdella benhami n.sp. | |
| By Laurence R. Richardson | 97–100 |
| Geology | |
| An Eroded Coastline | |
| By R. Speight | 3–13 |
| Some Unusual Shore Platforms near Gisborne, North Island, New Zealand | |
| By Edmund D. Gill | 64–68 |
| Spilites, Serpentinites and Associated Rocks of the Mossburn District, Southland | |
| By J. J. Reed | 106–126 |
| Palaeontology | |
| A Triassic Echinoid from New Zealand | |
| By H. Barraclough Fell | 83–85 |
| Botany | |
| A “Loose-lying” Form of the Brown Alga Hormosira | |
| By L. B.Moore | 48–53 |
| New Species of New Zealand Bryophytes | |
| By K. W. Allison | 93–96 |
| The Epiphytic Orchids of New Zealand and a New Species of Pterostylis from Mount Egmont | |
| By Edwin D. Hatch | 101–105 |
| Proceedings | |
| Annual Meeting | i–xxxiii |