Art. XXIV. On two new Planarians from Auckland Harbour. By T. F. Cheeseman, F.L.S. 213–214 XXV. Notes on a Skeleton of Megaptera lalandii (novœ-zealandiœ). By Prof. Julius von Haast, Ph.D., F.R.S. 214–216 XXVI. Description of a new Species of æolis. By T. W. Kirk 217 XXVII. Description of a new Dipterous Insect. By G. Vernon Hudson; communicated by T. W. Kirk 218 XXVIII. On the Gravid Uterus of Mustelus antarcticus. By T. Jeffery Parker, B.Sc. 219–222 XXIX. Notes on the Anatomy and Embryology of Scymmus lichia. By T. Jeffery Parker 222–234 XXX. On the Connection of the Air-bladders and the Auditory-organ in the Red Cod (Lotella bacchus). By T. Jeffery Parker 234–236 II.—Botany. XXXI. On the New Zealand Desmidieœ. Additions to Catalogue and Notes on various Species. By W. M. Maskell, F.R.M.S. 237–259 XXXII. On a new Composite Plant. By Robert Brown; communicated by Prof. Hutton 259–260 XXXIII. Further Notes on Sorghum Experiments. By Mr. Justice Gillies 261–267 XXXIV. On the Growth of the Cork Oak in Auckland. By Mr. Justice Gillies 267–268 XXXV. The Naturalized Plants of the Auckland Provincial District. By T. F. Cheeseman, F.L.S., Curator of the Auckland Museum 268–298 XXXVI. On some recent Additions to the Flora of New Zealand. By T. F. Cheeseman 298–301 XXXVII. Notes on Fresh-water Algœ. By W. I. Spencer, M.R.C.S. 302–304 XXXVIII. A Description of four new Ferns from our New Zealand Forests. By William Colenso, F.L.S. 304–310 XXXIX. On the large Number of Species of Ferns noticed in a small Area in the New Zealand Forests, in the Seventy-mile Bush, between Norsewood and Danneverke, in the Provincial District of Hawke's Bay. By W. Colenso 311–320 XL. Description of a few new Indigenous Plants. By W. Colenso 320–339 XLI. Additions to the Flora of New Zealand. By John Buchanan, F.L.S., of the Geological Survey Department 339–340 XLII. Notes on some of the Diatomaceous Deposits of New Zealand. By John Inglis 340–346 XLIII. On the Lichenographia of New Zealand. By Charles Knight, F.R.C.S. 346–358 XLIV. Descriptions of two new Species of Carex. By D. Petrie, M.A. 358–359 XLV. Description of a Variety of Celmisia sessiliflora, Hook. f. By D. Petrie 359 XLVI. Description of a new Species of Senecio. By T. Kirk, F.L.S. 359–360 III.—Geology. XLVII. Notes on the Mineralogy of New Zealand. By S. Herbert Cox, F.C.S., F.G.S., Assistant Geologist and Inspector of Mines 361–409 XLVIII. On a new Mineral belonging to the Serpentine Group. By S. Herbert Cox 409–410 XLIX. Descriptions of some new Tertiary Shells from Wanganui. By Prof. F. W. Hutton 410–411 L. Note on the Silt Deposit at Lyttelton. By Prof. F. W. Hutton 411–414 LI. On the Formation of the Quartz Pebbles of the Southland Plains. By W. S. Hamilton 414–419 LII. On the Occurrence of Platinum in Quartz Lodes at the Thames Gold Fields. By J. A. Pond 419–420