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 Xova Scotia. — By Harry Piers 163 



Phenological observations in Xova Scotia, 1911. — By A. H. 



MacKay 175 



Climate of HaUfax (Meteorological Statistics) 188 



Errata 190 



Session of 1912-1913: 



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



phases. — By J. H. L. Johnstone 191 



Notes on the analysis of u'on"-stone.'" — By Hubert Bradford 



Vickery 209 



Integral atomic weights, Part 1. — Bj' Frank William Dodd 216 



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



Occurrence of European b'xds in Xova 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. — B3' D. S. 



Mcintosh 244 



Phenological observations in Nova Scotia, 1912. — Bj- A. H. 



MacKay 250 



Session of 1913-1914: 



On the existence of a reducing endo-enzj'me in animal tissue. — ■ 



fiy D. Fraser Harris 259 



Senecio Jacobaea and Colli morpha Jacobaea. — By Henry S. Poole. . 279 



Remarks.— By A. H. MacKay 284 



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



Scotia. — By Sidney Powers 239 



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



Analyses of Nova Scotian soils. Bj' L. C. Harlow 332 



The Phenology of Nova Scotia, 4913.— 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 v 



List, presidents of Institute since foundation in 1862 viii 



Apiendix III: 



List of members, 1913-1914 ix 



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



Index xiii 



