ANNIVERSARY ADDRESS.. 9 
Series XV.—To be sent in not later than Ist May, 1896. 
No. 49—On the origin of Multiple Hydatids in man. 
No. 50—On the occurrence of Precious Stones in New South 
Wales with a description of the deposits in which 
they are found. 
No. 51—On the effect of the Australian Climate on the 
Physical Development of the Australian-born 
Population. 
No paper was sent in on subject No. 49 ; two were sent in on 
No. 50, and four on No. 51. The Council resolved that no prize 
be awarded to any of the writers of the papers on subject No. 51. 
At the meeting held September 30, the Council awarded the 
prize of £25 and the Society’s medal to the writer of the following 
paper :—‘“ On the occurrence of Precious Stones in New South 
Wales with a description of the deposits in which they are found,” 
by “ Tourmaline ”—Rey. J. Milne Curran. 
The list of subjects now offered for prizes is as follows :— 
The Royal Society of New South Wales offers its Medal and 
£25 for the best communication (provided it be of sufficient merit) 
containing the results of original research or observation upon 
each of the subjects, Nos. 52 to 54 inclusive ; and for Nos. 55 and 
56 the Society offers its Medal and £10 10s. 
Series X VI.—To be sent in not later than 1st May, 1897. 
No. 52—On the Embryology and Developmentof the Echidna 
or Platypus. 
No. 53—The Chemical Composition of the Products from the 
so-called Kerosene Shale of New South Walss. 
No. 54—On the Mode of Occurrence, Chemical Composition, 
and Origin of Artesian Water in N. S. Wales. 
Series X VII.—To be sent in not later than 1st May, 1898. 
No. 55—On the Iron-ore deposits of New South Wales. 
Series XVIII.—To be sent in not later thun Ist May, 1899. 
No. 56—On the life history of the Australasian Teredo, and 
of other species of Australasian wood-eating 
Marine Invertebrata, and on the means of pro- 
tecting timber from their attack. 
