550 president's address. 



November 7 — On Tanks and "Wells of New South Wales. Water 

 Supply and Irrigation. By A. Pepys Wood. 



December 5 — Additions to the Census of the Genera of Plants 

 hitherto known as indigenous to Australia. By Baron Ferd. von 

 Mueller, K.C.M.G., M.D., Ph.D., F.R.S., &c. 



The Royal Society offers its Medal and a money prize of £25 

 for the best communication (provided it be of sufficient merit) 

 containing the results of original research or observation, upon 

 each of the following subjects : — 

 Series III. — To be sent in not later than September 30th, 1884: 

 No. 9. — Origin and mode of occurrence of gold-bearing veins 

 and of the associated minerals. 

 10. — Influence of the Australian climate in producing 



modifications of diseases. 



11. — On the Infusoria peculiar to Australia. 



12 — On Water Supply in the interior of New South Wales. 



The Honorary Secretaries state that the Society is fully sensible 



that the money value of the prize will not repay an investigator 



for the expenditure of his time and labour, but it is hoped that 



the honour will be regarded as a sufficient inducement and reward. 



With reference to the progress of science in Victoria, Mr. R. 

 L. J. Ellery, F.R.S., Government Astronomer, in his Presidential 

 Address, delivered in September, on the occasion of the com- 

 memoration of the 25th session of the Royal Society of Victoria, 

 states "that the several national scientific and technical depart- 

 ments have been in active operation during the year, and with 

 them, as with ourselves, satisfactory progress is manifested. 

 There is an undoubted and general increase in the desire for 

 knowledge in the various p ure and applied sciences, and especially 

 as applied to technical training and to the daily requirements of 

 life. Some new Societies for the prosecution of study and 

 research, more especially in natural science, have come into 

 existence in the provinces, and the older societies and schools are 

 increasing in their good influence and usefulness. The School 

 of Technology and Museums, presided over by our talented 



