Xll CONTENTS 



Investigation of Chromate Method for separating Alkaline Earths. 



— H. B. Vickery 30 



Abnormal Wave North Coast, Cape Breton. — D. S. Mcintosh. . . . 41 

 Accidental Electrical Stimulation of Human Retina in Situ. — D. 



Eraser Harris 47 



Additions to Catalog of Butterflies and Moths near Halifax, etc.. 



Nova Scotia. — Joseph Perrin 49 



Phenology of Nova Scotia, 1914. — A. H. MacKay 57 



Session OF 1915-1916: 



Birds of Yarmouth, etc. — E. Chesley Allen 67 



Beneficial Action of Certain Poisons and Influence of Poisons on 



Protoplasm and Enzymes. — D. Eraser Harris. . 96 



Cow Bay Beaches, Halifax.— D. S. Mcintosh 109 



Soaps for the Absorption of Bromine Vapor. — H. J. M. Creighton . . 120 

 Distribution of Active Deposits of Radiiun in Electric Field. — 



G. H. Henderson 123 



Phenology of Nova Scotia, 1915.— A. H. MacKay 133 



Session OP 1916-1917: 



New Evening Primrose — (Enothera Nova Scotica. — R. R. Gates 141 



Phenology of Nova Scotia, 1916.— A. H. MacKay 147 



Birds of Grand Pr6, etc.— R. W. Tufts 155 



Orthoptera of Nova Scotia (pp. 154, 5 PL, 30 fig) .—Harry Piers . . 201 



Session OP 1917-1918: 



Isochlors of Nova Scotia (Folding Map). — H. B. Vickery 355 ^ 



Eskers of Nova Scotia. — W. H. Brest . . ; 371 



Phenology of Nova Scotia, 1917.— A. H. MacKay 395 



Two Skulls from the New Hebrides. — John Cameron 403 



Appendices: 



Appendix I : 



List of Members, 1915 i 



Appendix II : 



List of Members, 1916 v 



List of Presidents, 1862-1916 vii 



Appendix III : 



List of Members, 1917 ix 



Appendix IV: 



List of Members, 1918 xi 



