870 president's. ADDRESS. 



By Mr. G. H. Ridge, giving an account of the Krakatoa 

 eruption, as witnessed by Captain Gibbs of the American Barque 

 W. H. Besse, p. 39. 



By Mr. P. H. MacGillivray, M.R.C.S., F.L.S , Continuation of 

 Papers on new or little known Polyzoa, of the families Bicellaridcc, 

 Catemcellidoi, CeUeporidce, Cellular idee, Disco porellidce, Flusiridce, 

 (j'e/ti-ellaridce, MembraniporidiB, Myriozoidce, Salicornaridce, and 

 TuhuliporidcB. Part VII., p. 92. Part VIII., p. 106. Also (p. 

 120) Note on the reproduction of the Ornithorliynchus, describing 

 ova both attached and free in the uterus, and other matters of 

 interest. 



By Mr. A. W. Howitt, F.G.S. Supplementary Notes on the 

 Diabase Rocks of the Buchan district, p. 101. 



The Seventeenth Volume of the Transactions and Proceedings 

 of the New Zealand Institute (1884) contains, besides the 

 Anniversary Address l)y the President, Sir W. F. D. Jervois, 

 G.C.M.G., C.B., &c., the following papers : — 



By T. J. Parker, B.Sc. Lond., Professor of Biology, Otago 

 Univ., on a Specimen of Balirnoptera nmscnlus, stranded near 

 the Wainiea River, p. 3. 



By W. M. Maskell, F.R.M.S., on an Aphid, Chermes (Aniso- 

 2ohlfiba) ]nni, infesting pine trees. The name Kermaphis is 

 suggested as preferable to Chermes, p- 13 ; on Ixodes eudyjytidis, 

 n. sp. parasitic upon the Penguin, p. 19 ; on Coccidfe in N.Z., 

 with descriptions of new species, p. 20. 



By A. T. Urquhart, on the Spiders of N.Z., Epeiridse, 

 Thlaosomides, Theridiidfe, Thomisidye, SalticidfB, Lycosidte, p. 31. 



By Prof. F. W. Hutton, on the Limneid^ of N.Z. p. 54. 



By T. W. Kirk, on Argonauta gracilis, n. sp., p. .58 ; and on 

 Variations in the Colouring of some N.Z Birds, p. 60. 



By E. Meyrick, B.A., Supplement to Monograph on N.Z. 

 Geometrina, p. 62 ; and on N.Z. Microlepidoptera, p. 68. 



By W. Colenso, F.L.S., on Some new N.Z. Insects, belonging 

 to Bacillus, Deinacrida, Myrmeleon, Rhyssa, Lissonota, p. 157. 



By W. Arthur, C.E., on some N.Z. Fishes, with n.sp. of Zeus 

 and Leptoscopus, p. 160. 



