ANNIVERSARY ADDRESS. 3 



VIII.— Some Physical Properties of Nickel Steel. By W. H. Warren, 

 wh. sc, m. inst. c.e., m. Am. Soc. c.E., Challis Professor of Engineer- 

 ing, and S. H. Barraclough, m.m.e., Assoc m. inst. c.e., Lecturer 

 in Engineering, University of Sydney. 

 IX. — Key to the Tribes and Genera of Melanospermese, (Olive- 

 Green Seaweeds). By Eichard A. Bastow, Fitzroy, Victoria. 

 (Communicated by J. H. Maiden, f.l.s.) (Plate i.) 

 X. — Etude sur les Dialectes de la Nouvelle-Caledonie. Par Julien 



Bernier. (Communicated by C. Hedley, f.l.s.) 

 XI. — On the Pinenes of the Oils of the Genus Eucalyptus, Part I. 

 By Henry G. Smith, f.c.s., Technological Museum, Sydney. 

 XII. — Soaring Machines. By L. Hargrave. 

 XIII. — Native Vocabulary of Miscellaneous New South Wales 

 Objects. By Mr. Surveyor Larmer. (Communicated by 

 Professor T. P. Anderson Stuart, m.d., by permission of 

 the Honourable the Secretary for Lands. 

 XIV.— Current Papers, No. 3. By H. C. Russell, b.a., c.m.g., f.r.s. 

 (Plates x., xi.) 

 XV. — The Group Divisions and Initiation Ceremonies of the Bar- 

 kunjee Tribes. By E. H. Mathews, l.s. (Plate xii.) 

 XVI. — The Blue Pigment of Corals. By Professor Liversidge, m.a., 

 ll.d., F.K.S. 



Sectional Meetings. — The Engineering Section held eight meet- 

 ings, at which the average attendance of members and visitors 

 was twenty- one; the following papers were read and discussed: — 



1. Annual Address to the Engineering Section. By T. H. Houghton, 



M. lust. C.E., M. Inst. M.E. 



2. The Narrow Gauge as applied to Branch Railways in N.S. Wales. 



By C. O. Burge, M. inst. C.E. 



3. Engineering Construction in connection with Rainfall. By J. I. 



Haycrof t, M. Inst. C.E. I., Assoc. M. Am. Soc. C.E. 



4. Some Notes on a Wharf recently built in deep water at Dawes' 



Point, Sydney, N. S. Wales. By Norman Selfe, m. inst. c.e., &c. 



5. Notes on Hydraulic Boring Apparatus. By G. H. Halligan, c.e. 



6. Lighthouses in N. S. Wales. By H. E. Carleton, m. Inst. C.E. 



7. A Testing Machine for equal alternating stresses. By Professor 



Warren, wh. sc, m. inst. c.e. 



The Medical Section held four meetings, at which numerous 

 exhibits were shown, and the following papers read and discussed : — 



1. Disinfection of Dwellings in notifiable Infectious Diseases, by Dr. 



W. G. Armstrong, Medical Officer of Health for the Metro- 

 politan Combined Districts. 



2. Notes on two cases of Amputation of the Rectum for extreme 



Prolapsus, by Dr. Fiaschi. 



