ANNIVERSABY ADDRESS. 3 



his official connection with the Government dated back to the 

 year 1875. Mr. Watt died at Parramatta on the 19th July, 1899. 



Papers read in 1899. — During the past year the Society held 

 eight meetings, at which the average attendance of members was 

 39, and of visitors 3, the following nineteen papers were read : — 



1. President's Address, by G. H. Knibbs, f.r.a.s. 



2. Key to Tribes and Genera of the Floridese (Red or Purple 

 Marine Algae), by Richard A. Bastow. (Communicated by 

 J. H. Maiden, f.l.s.). 



3. On the metamorphosis of the young form of Filaria Bancroft^ 

 Cobb, [Filaria sanguinis hominis, Lewis ; Filaria nocturna, 

 Manson] in the body of Culex ciliaris, Linn., the " House 

 Mosquito of Australia," by T. L. Bancroft, m.b. 



4. Suggestions for depicting diagrammatically the character of 

 Seasons, as regards Rainfall, and especially that of Droughts, 

 by H. Deane, M.A., M.inst.C.E., &e. 



5. Observations on the determination of Drought-intensity, by 

 G. H. Knibbs, f.r.a.s., Lecturer in Surveying, University of 

 Sydney. 



6. On the crystalline camphor of Eucalyptus Oil (Eudesmol), 

 and the natural formation of Eucalyptol, by Henry G. Smith, 

 f.c.s., Technological Museum, Sydney. 



7. Divisions of some Aboriginal Tribes, Queensland, by R. H. 

 Matthews, l.s. 



8. The Initiation Ceremonies of the Aborigines of Port Stephens, 

 N. S. Wales, by W. J. Enright, b.a. (Communicated by R. 

 H. Matthews, l.s.). 



9. Sailing Birds are dependent on Wave-power, by L. Hargrave. 



10. Some applications and developments of the Prismoidal 

 Formula, by G. H. Knibbs, f.r.a.s., Lecturer in Surveying, 

 University of Sydney. 



11. Current Papers, No. 4, by H. C. Russell, b a., c.m.g., f.r.s 



