VI CONTENTS. 



Section B. — Chemistry and Mineralogy. 



PAGES 



Address by Orme Masson, M.A., D.Sc, President of the Section, on 



" The Gaseous Theory of Solution " . . . . . . 84-103 



1. On Molecular Volumes and Boiling-points in relation to Che- 



mical Character. By Orme Masson, M.A., D.Sc. . . 103-106 



2. Does IMagnesium form Alkyl Compounds ? By Orme Masson, 



M.A., D.Sc. .. .. .. .. .. 107-108 



3. Unsuccessful Attempts to prepare Magnesium Ethyl. By 



N. T. M. Wilsmore, B.Sc. Melb. . . . . 108-115 



4. Note on Magnesium Iodide, By N. T. M. Wilsmore, B.Sc. . . 116 



5. The Specific Heat of Gases at Constant Volume. By Professor 



Bickerton .. .. .. .. .. ..117 



6. Molecular Attraction. By Professor Bickerton . . . . 117 



7. Some Possible Causes of the Low Temperatures of Partial Dis- 



sociation. By Professor Bickerton . . . . 117-118 



Section C. — Geology and Palaeontology. 



Address by Reginald A. F. Murray, F.G.S., President of the Section, 



on " The Past and Future of Mining in Victoria " . . 119-127 



1. On the Occurrence of Nepheline-bearing Rocks in New Zea- 



land. By Professor George H. P. Ulrich, F.G.S., Director of 



the School of Mines, Dunedin . . . . . . 127-150 



2. On the Occurrence of Some Rare Minerals in New Zealand. 



By James Park, F.G.S., Lecturer, Thames School of Mines 150-153 



3. On Mount Cook Glacier-motion. By J. H. Baker, Commis- 



sioner of Crown Lands, Christchurch . . . . 153-161 



4. Tongariro, Ngauruhoe, and Ruapehu as Volcanic Cones. By 



H. Hill, B.A., F.G.S .. 162-172 



5. Twisted and Broken Crystals of Tourmaline. By Professor 



Jack .. .. .. .. .. ,. ..172 



Section D. — Biology. 



Address by Professor William A. Haswell, M.A., D.Sc, P.L.S., 

 Challis Professor of Biology, Sydney University, President of 

 the Section, on " Recent Biological Theories " . . 173-192 



1. Evolution of the Eye. By Professor Bickerton . . . . 192 



2. A Simple Mode of illustrating the Action of the Lungs. By 



Professor Bickerton . . . , . . . . . . 193 



3. Suggestions for securing greater Uniformity of Nomenclature in 



Biology. By Professor T. Jeffery Parker, B.Sc, F.R.S. . . 193 



4. On Specific Characters in the Skeleton of Apteryx. By Pro- 



fessor T. Jeffery Parker, B.Sc, F.R.S. . . . . 193-194 



5. Successful Rabbit-suppression in New Zealand. By Coleman 



Phillips, Wellington . . . , . . . . . . 194 



6. Systematic Training of Juvenile Naturalists. By A. F. Robin, 



Adelaide .. .. .. .. .. ..194 



7. On some Aspects of Acclimatisation in New Zealand. By Geo. 



M. Tliomson, F.L.S. .. .. .. .. 194-213 



8. On the Botany of the Antarctic Islands. By T. Kirk, F.L.S. 213-231 



