CONTENTS, 



VOLUME XXVIII. 



Page. 



Officers for 1894-95 vii. 



List of Members, &c ix. 



Art. I. — President's Address. By T. P. Anderson Stuart, m.d., 



Professor of Physiology in the University of Sydney. ... 1 



Art. II. — Notes on some Minerals and Mineral Localities in the 

 Northern Districts of New South "Wales. By D. A. Porter, 

 Tamworth 39 



Art. III. — Preliminary Notes on the Pharmacology of Carissa 

 ovata, var. stolonifera, Bail. By Thos. L. Bancroft, m.b. 

 Edin. (Communicated by J. H. Maiden, f.l.s., f.c.s.) ... 44 



Art. IV. — On Almandine Garnets from the Hawkesbury Sand- 

 stone at Sydney. By Henry G. Smith, Technological 

 Museum, Sydney ... 47 



Art. V. — On the Magnetic Susceptibilities of Specimens of 

 Australian Basalts. By A. W. Riicker, m.a., f.r.s., Professor 

 of Physics in the Royal College of Science, London. (Com- 

 municated by Professor Threlfall, m.a.) 51 



Art. VI.— On a Natural Mineral Spring at Bungonia. By Rev. 



J. Milne Curran. [One Plate] 54 



Art. VIL— New Orbit of the Double Star #416 = Scorpii 185. By 

 Prof. S. Glasenapp, Imperial Observatory, St. Petersburg. 

 (Communicated by H. C. Russell, b.a., c.m.g., f.r.s.) ... 59 



Art. VIII. — On the Value of Gravity at the Sydney Observatory. 

 By E. F. J. Love, m.a., Fellow of Queen's College, Demon- 

 strator and Assistant Lecturer in Natural Philosophy in 

 the University of Melbourne. (Communicated by H. C. 

 Russell, B.A., C.M.G., f.r.s.) 62 



Art. IX. — From Number to Quaternion. By G. Fleuri, Licencie 

 es-sciences mathematiques and Licencie es-sciences 

 physiques, Sydney, N. S. Wales. (Communicated by H. C. 

 Russell, b.a., c.m.g., f.r.s.) [Sixteen Diagrams] 65 



Art. X. — Boleite, Nantokite, Kerargyrite, and Cuprite from 

 Broken Hill, N. S. Wales. By A. Liversidge, m.a., f.r.s., 

 Professor of Chemistry in the University of Sydney. [One 

 Plate] 94 



Art. XI. — Aboriginal Bora held at Gundabloui in 1894. By R. 



H. Mathews, Licensed Surveyor. [Two Plates] 98 



Art. XII. — Observations and Orbit-elements of Comet Gale, 1894. 



By John Tebbutt, f.r.a.s. ... 129 



Art. XIII. — An Essay on Southerly Bursters. By Henry A. 

 Hunt, Second Meteorological Assistant, Sydney Observatory 

 [Four Plates and Five Diagrams] 138 



