Exhibit of Strelitzia in flower 542 Abstract of Annual Report 542 Election of Officers for 1893 543 On a Curious Property of Odd Numbers. By T. B. Harding: communicated by R. C. Harding 544–545 Auckland Institute. Anniversary Address by the President, Professor F. D. Brown 546 Evolutionary Ethics. By the Rev. J. Bates 546, 548 The Aryans in their Primitive Home. By Professor C. A. Pond 547 Exhibition of a New Wave-machine. By Professor Brown 548 On some Peculiarities of the Maori Language. By F. D. Fenton 548 Exhibition of a Model Geyser, designed by Mr. C. Malfroy 549 An Army of Defenders: An Account of Metchnikoff's Discoveries concerning the Power of Resistance against Disease. By Professor A. P. Thomas 549 New Species of Coleoptera. By Captain T. Broun 549 Abstract of Annual Report 550–551 Election of Officers for 1893 551 Philosophical Institute of Canterbury. On Hail. By Professor A. W. Bickerton, F.C.S. 553 On the Equilibrium of Gaseous Cosmic Spheres. By Professor A. W. Bickerton 553 On some Causes for the Low Temperature of Dissociation. By Professor Bickerton 553 On Methods of determining the Rate of Increase of the Attraction of Molecules in Terms of their Diameter. By Professor Bickerton 553 On the Specific Heat of Solutions at Constant Volume. By Professor Bickerton 553 Notes on the Earthquakes of 1891–92. By G. Hogben, M.A. 554 Abstract of Annual Report 554 Election of Officers for 1893 554 Otago Institute. A Page of Latter-day Literature. By Dr. Belcher 558 Additional Note on the Presence of a Crest of Feathers in some Kinds of Moa 559 On a Genus of Boragineœ new to New Zealand. By D. Pelin, M.A., F.L.S. 559 On the Volatilisation of Silver. By D. Wilkinson 559 On Recent Researches in Easter Island. By A. Hamilton 559–560 Further Notes on Greenstone. By F. Chapman 560 On the Early History of New Zealand. By Dr. T. M. Hocken 560 On Aluminium and its Uses. By D. Wilkinson 560 Abstract of Annual Report 560–561 Election of Officers for 1893 561 Address on Politics. By the President, C. W. Adams 561 Westland Institute. Abstract of Annual Report 562 Election of Officers for 1893 562