1220 president's address. 



By the Hon. W. Macleay, F.L.S., on the Zoology of Australia, 

 being a general view of the whole animal kingdom, as represented 

 in the Australian Province, p. 285. 



By Mr. A. B. Biggs, p. 309, on the Lunar Eclipse of March 

 30-31, 1881. Also by the same author, a paper on Earth Tremors 

 in Tasmania, describing the apparatus which he has adopted for 

 their measurement, determination of their direction, and accurate 

 timing of the movements, and suggesting that these Tremors are 

 caused by distant or general disturbances so propagated as to 

 stimulate local strains into sympathetic activity, p. 325. 



By R. M. Johnston, F.L.S., on the relationship of the 

 Upper Paleozoic and Mesozoic formations of Southern Tasmania, 

 with the associated diabasic rocks, arguing that these latter belong 

 to two periods, the one older than and underlying the Upper Coal 

 Measures, and the other more recent than either, and penetrating 

 both as an eruptive rock, p. 310. Also, by the same author, 

 an account of the Silurian Fossils of the Gordon Limestones, p. 313; 

 Descriptions of New Species of Tertiary leaves from Mt. BischofF, 

 belonging to Eucalyptus, Quercus, Laurus, Taxites, &c, pp. 322, 

 335 ; a series of three papers on the Upper Palaeozoic and Mesozoic 

 Bocks of Tasmania, with a full description of all the Tasmanian 

 Coal Plants, and an account of their distribution, pp. 343, 361, 

 362. Also, a table of comparative classification and Map of the 

 General Geological Features of Tasmania 



By R. A. Bastow, F.L.S., on Jungermannia reticulata, and on 

 Tasmanian Mosses in general, pp. 311, 318, 337. 



By W. F. Petterd, C.M.G.S., Descriptions of new species of 

 Marine Shells, viz. : — Pecteii aktinos, Diaphanna nivea, Cassis 

 tumida, p. 320, Ancillaria fusiformis, A. obtusa, p. 342. 



By Baron v. Mueller, K.C.M.G., A Note on the Life and 

 Works of the French Botanist, Jean Julien Houton de la 

 Billardiere, p. 334. 



By Baron von Groddeck, Remarks on the Tin Ore of Mount 

 Bischoff, p. 388, in which he states that the rocks which carry 



