Volume 86, 1959

Contents.
| Pages | |
|---|---|
| Botany | |
| Studies on Australian and New Zealand Diatoms II—Normally Epontic and Benthic Genera | |
| By L H Crosby and E J Ferguson Wood | 1–58 |
| Hydnaceae of New Zealand Part II—The Genus Odontia | |
| By G H Cunningham | 65–103 |
| The Production of Female-sterile Flowers by Hermaphrodite Plants of Fuchsia procumbens | |
| By M Holdsworth | 105–111 |
| Contributions to a Knowledge of the Adventive Flora of N Z No 7 | |
| By A J Healy | 113–118 |
| Zoology | |
| A Contribution to the Life Histories of Two Fungus Gnats, Scythropochroa nitida Edw, and Sciara annulata Mg, (Diptera, Mycetophilidae, Sciarinae) | |
| By Baughan Wisely | 59–64 |
| Cretaceous Fossils from the Chatham Islands | |
| By Anne U E Boreham | 119–125 |
| Studies on New Zealand Elasmobranchii Part VII—The Identity of Specimens of Centrophorus from New Zealand | |
| By J A T Garric | 127–141 |
| Records of Cestodes from Marine Fishes of New Zealand Hodotermitidae | |
| By F David Morgan | 155–195 |
| Notes on the Behaviour of Two Estuarine Crab Species | |
| By C G Beer | 197–203 |
| Evechinus chloroticus (Val) an Endemic New Zealand Echinoid | |
| By Agusta McRat | 205–267 |
| The Spiders of the Family Symphytognathidae | |
| By R R Forster, | 269–329 |
| The Life History of the Common New Zealand Skink Leiolopisma zelandica (Gray, 1843) | |
| By R E Barwick | 331–380 |
| Some New Cestodes from New Zealand Marine Fishes | |
| By Edward S Robinson | 381–392 |
| Spiral Segmentation in Two Species of New Zealand Weta (Orthoptera, Giyllacndoidea, Henicidae) | |
| By G W Ramsay | 393–394 |
