PRESIDENTIAL ADDRESS. 
By Professor W. H. WARREN, Wh. Sc., M. Inst. C.E., M. Am. Soc. C.E. 
[Read before the Royal Society of N. S. Wales, May 6, 1903.) 
ROYAL SOCIETY OF NEW SouTH WALES. 
Financial Position.—The expenses incurred during the 
year have been rather heavier than usual, chiefly in regard 
to the cost of publishing the Journal and repairs to the 
premises; the Hon. Treasurer has however been able to 
pay his way and to carry forward a balance of £8 19s. 8d. 
The Library.—The sum spent during theeyear upon books 
and periodicals was £92 ds. 7d., and upon binding £2 10s. 6d. 
Exchanges.—Last year the Society exchanged its Journal 
and Proceedings with 426 kindred Institutions, the follow- 
ing having been added to the list :—Musée Nacional de 
Buenos Aires; Deutsches Meteorologisches Gesellschaft, 
Aachen; Instituto Geologico de Mexico; Naturforschende 
Gesellschaft, Basel; American Microscopical Society, 
Lincoln, Nebr.; and in return it has received 289 volumes, 
1,511 parts, 136 reports, 174 pamphlets, 1 hydrographic 
and 2 meteorological charts, total 2,113. 
Papers read in 1902.—During the past year the Society 
held eight (8) meetings at which 17 papers were read, the 
average attendance of members was 50 and of visitors 3. 
I].—The Parks of Sydney; some of the problems of control 
and management. By J. H. Maiden, Director of 
Botanic Gardens and Domains, Sydney; Officer-in- 
Charge of the Centennial Park, [With Plate. | 
II.—Possible relation between Sunspot Minima and Vol- 
canic Eruptions. By H.I. Jensen, (Communicated by 
Prof. David, B.A., F.R.S. [With Plate. ] 
A—May 6, 1903. 
