IV CONTENTS 



Session of 1919-1920: 



Port Hood Harbour: its Past, Present and Probable Future. 



By D. S. Mcintosh 71 



The Blue Crab: Extension of its Range Northward to Near 



Halifax, N. S. By Harry Piers 83 



Variation in the CompKjsition of Compressed Illuminating Gas. 



By Henry Germain Maude Creighton 91 



Accidental Occurrence of the Pygmy Sperm Whale on the Coast 

 of Nova Scotia — An Extension of its known range: proba- 

 bility of former presence of True Sperm Whale in these 

 Waters. By Harry Piers 95 



A Convenient Form of Burette for Exact Gas Analysis. By 



Henry Jermain Maude Creighton 115 



By Harrison F. Lewis r 119 



Notes on the Spring Bird Migration of 1914 at Antigonish, 



N.S 119 



The Phenology of Nova Scotia 1919. By A. H. MacKay . . . . 129 



Session OF 1920-1921: 



Evidence of Elevation of Sea Coast near Wolfville. By Fred- 

 erick C. Churchill 137 



Probable Change in Drainage of Black and Gaspereau Rivers. 



By F. C. Churchill 141 



Study of Extraction of Potash from Orthoclase Feldspar. By 



Earle Forrester Whyte 145 



The Phenology of Nova Scotia, 1920. By A. I 1. MacKay 153 



Session OF 1921-1922: 



The Effects of Glaciation in the Vicinity of Wolfville. By 



Frederick C. Churchill 161 



A Relation between the Fluidity and the Temperature of Liquids. 



By Henry Jermain Maude Creighton 165 



List of a Small Collection of Ants. By Harry Piers * 169 



Diatoms of Nova Scotia. By A. H. MacKay 175 



The Phenology of Nova Scotia, 1921. By A. H. MacKay 189 



APPENDIX 



List of Members 1921-1922 I 



List of Presidents. 1862-1922 in 



