Contents

Transactions and Proceedings of the Royal Society of New Zealand, Volume 70, 1940-41, Unnumbered Page

Contents Obituaries. André Léon Tonnoir xxxvii G. F. J. M. Britton xxxvii W. H. Guthrie-Smith. 171 Botany. Growth of Certain Indigenous Species of Cushion-plants. By J. Scott Thomson and G. Simpson 25 Notes on Some New Zealand Plants and Descriptions of New Species. By G. Simpson and J. Scott Thomson 27 Leaf Anatomy of the New Zealand Mangrove. By G. T. S. Baylis 164 Chemistry. The Isolation of Phyllocladene from the Leaf-oil of Podocarpus hallii and its Significance on the Botanical Classification of this Species. L. H. Briggs. 173 Geology. Notes on the Geography and Rocks of the Ranges Between the Pyke and Matukituki Rivers, North-west Otago. By W. N. Benson and J. T. Holloway 1 Trias-Jura? By M. Ongley 57 The Basal Beds of the Akaroa Volcano. By R. Speight 60 Elastic Constants of the Earth's Mantle. By K. E. Bullen 137 Applicability and Limitations of Petrofabric Analysis Without Use of a Universal Stage. By F. J. Turner 140 The Gravels of the Mackenzie Intermont. R. Speight. 175 Mugearites in the Dunedin District. W. N. Benson and F. J. Turner. 188 Landslides and Allied Features in the Dunedin District in Relation to Geological Structure, Topography, and Engineering. W. N. Benson. 249

Palaeontology. Palaeontological Study of Nukumaruan and Waitotaran Rocks near Wanganui. By C. R. Laws 34 The Divisions of the Upper Cretaceous and Tertiary in New Zealand. By H. J. Finlay and J. Marwick 77 A Review of the Tertiary and Recent Neozelanic Pyramidellid Molluscs. No. 7—Further Odostomid Genera. By C. R. Laws 150 The Occurrence of Hyoidal Teeth in Salvelinus fontinalis. By G. Stokell 161 Zoology. Tasmacetus shepherdi. J. H. Sorensen. 200 The Marine Mollusca of the Aupourian Province, New Zealand. A. W. B. Powell. 205 A Revision of the Genus Gobiomorphus. By G. Stokell. 265 A New Species of New Zealand Land Planarian, Artioposthia civis. By Ewen Cardale. 277 The Collembolan Fauna of New Zealand including a Discussion of its Distribution and Affinities. By J. T. Salmon. 282 Proceedings. Annual Meeting of Council i Reports of Member Bodies xviii Presidential Address xxvi Appendix—Abstracts of Papers Read xxxiv List of Awards, Officers for 1939-40, Honorary Members, Fellows 432 General Index 440