CONTENTS. 



VOLUME XLIII 



Page. 



Title Page, Notices, Publications, Contents, (i. - vi.) 



Officers for 1909-1910 (vii.) 



List of Members, &c (ix.) 



Art. I. — Presidential Address. By W. Mogford Hamlet, 



f.i.c., f.c.s., Government Analyst for the State of N.S.Wales 1 

 Art. II. — On a Pitchblende probably occurring in New South 

 Wales. By T. H. Labt, b.a., Research Student of Emmanuel 

 College, Cambridge, Joule Student of the Eoyal Society, 

 formerly Exhibition of 1851, Eesearch Scholar of the Uni- 

 versity of Sydney. (Communicated by F. B. Guthrie, f.i.c, 



f.c.s.) 28 



A.RT. III. — The Viscosity of Water. By Eichard Hosking, b.a. 

 (Camb.), Physics Master, Sydney Grammar School. (Com- 

 municated by Prof . Pollock, d. sc.) ... ... 34 



Art. IV. — Lope de Vega. By Lawrence Hargrave ... ... 39 



Art. V. — A contribution to the experimental study of the Large 

 Ions in the Air. By S. G. Lusbt, m.a. (Communicated by 

 Professor J. A. Pollock, d. sc) 55 



Art. VI. — The Mobility of the Large Ions in the Air. By J. A. 

 Pollock, d. sc, Professor of Physics in the University of 

 Sydney 61 



Art. VII. — Note on the determination of the Free Acid in Super- 

 phosphates. By F. B. Guthrie, f.i.c, f.c.s., and A. A. 

 Eamsay ... ... 69 



Art. VIII. — Descriptions of New Haemoprotozoa from Birds in 

 New South Wales, with a note on the resemblance between 

 the Spermatozoa of certain Honeyeaters (Fam. Meliphagidse) 

 and Spirochaete-trypanosomes. By J. Burton Cleland, 

 m,d., ch. m. (Syd.), Principal Assistant Microbiologist, and T. 

 Harvey Johnston, m.a., b.sc. (Syd.), Assistant Microbiologist. 

 (From the Bureau of Microbiology, Sydney). [With Dia- 

 grams I, II, and Plates I. II. ~\ ... ... ... ... ... 75 



Art. IX. — On a new Melanin-producing Haematozoon from an 

 Australian Tortoise. By T. Harvey Johnston, m.a., b. sc, 

 Assistant Microbiologist, and J. Burton Cleland, m.d., ch.M., 

 Principal Assistant Microbiologist. (From the Bureau of 

 Microbiology, Sydney). [With Diagram and Plate III.'] ... 97 



Art. X. — On a new Eeptilian Cestode. By T. Harvey Johnston, 

 m.a., b.sc, Assistant Government Microbiologist. (From the 

 Bureau of Microbiology, Sydney. Communicated by C. 

 Hedley.) [With Plate] 103 



Art. XI. — On the discrepancy between the results obtained by 

 experiments in manuring etc. in pots and in the field. By 

 Lionel Cohen, Chemical Laboratory, Department of Agri- 

 culture, N.S.W. (Communicated by F. B. Guthrie, f.i.c, 

 f.c.s.) 117 



Art. XII. — Botanical, Topographical and Geological Notes on 

 some Eoutes of Allan Cunningham. By J. H. Maiden and 

 E. H. Cambage. [With Plates'] ... 123 



