Contents

Transactions and Proceedings of the Royal Society of New Zealand, Volume 78, 1950, Unnumbered Page

Contents 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