Contents. Transactions. I.—Botany. Pages. Art. I. Further Notes on the Desmidieæ of New Zealand, with Descriptions of New Species. By W. M. Maskell, F.R.M.S. 3–32 II. On the Botany of Te Moehau Mountain, Cape Colville. By James Adams, B.A. 32–41 III. A Description of a Species of Orobanche (supposed to be new) parasitical on a Plant of Hydrocotyle. By William Colenso, F.R.S., F.L.S., &c. 41–43 IV. A Description of some newly-discovered Cryptogamic Plants; being a further Contribution towards the making known the Botany of New Zealand. By W. Colenso 43–80 V. A Description of some newly-discovered Phænogamic Plants; being a further Contribution towards the making known the Botany of New Zealand. By W. Colenso 80–108 VI. Notes on a Plant (Glossostigma elatinoides) found beside the Maungapouri Stream, Otaki. By Clement W. Lee 108–109 VII. The Fall of the Leaf. By Joshua Rutland 110–120 II.—Zoology. VIII. On some Birds from the Kermadec Islands. By T. F. Cheeseman, F.L.S. 121–124 IX. Notice of the Capture of a Specimen of the Shy Albatross (Diomedea cauta) near Auckland. By T. F. Cheeseman 125–126 X. The Habits and Home of the Wandering Albatross (Diomedea exulans). By A. Reischek, F.L.S. 126–128 XI. On a Specimen of the Brown Gannet (Sula fusca) shot in Napier Harbour, with Notes on other New Zealand Birds. By A. Hamilton 128–134 XII. On new Species of Araneidea. By A. T. Urquhart 134–252 XIII. On a new Species of Gasteracantha from Norfolk Island. By A. T. Urquhart. 152–154 XIV. Descriptions of New Zealand Micro-Lepidoptera. By E. Meyrick, B.A., F.E.S. 154–188 XV. On the Natural History of Three Species of Micro-Lepidoptera. By G. V. Hudson 189–190 XVI. On the Varieties of a common Moth (Declana floccosa). By G. V. Hudson 190–193 XVII. A Description of a new and large Species of Orthopterous Insect of the Genus Hemideina, Walker. By W. Colenso, F.R.S., F.L.S., &c. 193–194