List of Plates. Author. To Face Page I. Maskell.—Coccididæ 60 II. " " III. " " IV. " " V. " " VI. " " VII. " " VIII. " " IX. " " X. " " XI. " " XII. " " XIII. " " XIV. Buller.—Nestor notabilis with Deformed Bill. Foot of Penguin with Barnacles 74 XV. Hutton.—Skulls of Moas 172 XVI. " " XVII. " Bones of Anomalopteryx antiquus 172 XVIII. Scott.—Cancer in Fish 200 XIX. Goyen.—New Zealand Araneæ 256 XX. Suter.—New Zealand Mollusca 278 XXI. " " XXII. " " XXIII. " " XXIV. Nott—New Zealand Composite Ascidians 330 XXV. " " XXVI. " " XXVII. " " XXVIII. " " XXIX. " " XXX. " " XXXI. Watt.—Boltenica pachydermatina 348 XXXII. " " XXXIII. " " XXXIV. " " XXXV. Shrewsbury.—Microscopic Rock-sections 376 XXXVI. Kirk.—Abrotanella muscosa, n.s. 422 XXXVII. " Viscum clavatum 430 XXXVIII. Chapman.—Pirori, or Maori Drill 496 XXXIX. Hogben.—Diagram of Earthquake of 24th June, 1891 578 XL. Malfroy.—Plan and Section of Geysers at Whakarewarewa 590 XLI. " Plan and Section of Oruawhatua and Chameleon Springs XLII. " Apparatus designed to show Geyseraction XLIII. Hill.—Map of Country round Tongariro 624 XLIV. " Map of Summit of Ruapehu XLV. " Crater of Ngauruhoe XLVI. " Crater-lake on Ruapehu XLVII. " Sketch-map of Tokaanu XLVIII. " Ngauruhoe, from Tongariro XLIX. " Tongariro, from Ngauruhoe L. Withy.—Diagrams to show Stability of Ships 672 LI. " " "