CONTENTS . V 



SESSION OF 1911-1912 Continued: PAGE 



A few measurements on the electrical conductivity of aceto- 



phenone solutions of certain organic bases and acidx. 



By Henry Jermain Maude Creighton 154 



Mastodon remains in Nova Scotia. By Harry Piers 163 



Phenological observations in Nova Scotia, 1911. By A. H. 



MacKay 175 



Climate of Halifax (Meteorological Statistics) 188 



Errata 190 



SESSION OF 1912-1913: 



On the electrical resistance of acetic acid in the solid and liquid 



phases. By J. H. L. Johnstone 191 



Notes on the analysis of iron"-stone." By Hubert Bradford 



Vickery ." 209 



Integral atomic weights, Part 1. By Frank William Dodd 216 



Integral atomic weights, Part 2. By Frank William Dodd 223 



Occurrence of European birds in Nova Scotia. By Harry Piers . . 228 



Curious Lightning freak. By Watson L. Bishop 240 



Note on a gastrolith found in a moose. By D. Fraser Harris .... 242 

 Notes on a granite contact zone near Halifax, N. S. By E). S. 



Mclntosh 244 



Phenological observations in Nova Scotia, 1912. By A. H. 



MacKay 250 



SESSION OF 1913-1914: 



On the existence of a reducing endo-enzyme in animal tissue. 



By D. Fraser Harris 259 



Senetio Jacobaea and Callimorpha Jacobaea. By Henry S. Poole . . 279 



Remarks. By A. H. MacKay 284 



The'Geology of a portion of Shelburne Co., South Western Nova 



Scotia. By Sidney Powers 289 



Coloured thinking and allied conditions. By D. Fraser Harris . . . 308 



Analyses of Nova Scotian soils. By L. C. Harlow 332 



The Phenology of Nova Scotia, 1913. By A. H. MacKay 347 



APPENDICES: 

 APPENDIX I: 



List of members, 1910-1911 i 



List of presidents of the Institute since its foundation in 

 * 1862 iv 



APPENDIX II: 



List of members, 1911-1912 



List, presidents of Institute since foundation in 1862 viii 



APPENDIX III: 



List" of members, 1913-1914 ix 



List of Presidents since foundation, 31st December, 1862. ... xii 



INDEX . . xiii 



