INDEX 205 



Piers, Harry. Accidental Occurrence in N. S. of Rock Ptarmigan ... 1 



Tungsten (Scheelile) Deposit, Lower. Sackville, Hfx 38 



Coregonus Labradoricus (Sault Whitefish) in N. S 92 



Platinic Chloride, Estimation of K as, K;,Pt Cle. By Margaret 



McCurdy, B.Sc 142 



Popular Lectures. The Quebec Bridge. By Prof. W. P. Copp. ... iv 



Races Above the Clouds. By Prof. John Cameron iv 



Weather in the Belt of Cyclonic Storms. By Prof. D. S. 



Mcintosh V 



In-Breeding and Out-Breeding. By Prof. J. A. Dawson .... v 



What Seeing Means. By Prof. D. Fraser Harris vi 



The Lure of Nature-hiking. By E. Chesley Allen ix 



The Age of the Earth. By Prof. Douglas McInto.sh ix 



Musical Sounds; their Nature and Quality. Dr. S. G. 



Ritchie ix 



Sight-Seeing at Banff and Lake Louise. By M. F. Bancroft. x 



Pearly Mussel and the Button Trade. By J. B. Feilding. . . xi 



Waves and Radiant Energy. By Prof. II. L. Bronson xv 



Production, Transmission and Detection of Wireless Waves. 



By Prof. J. H. L. Johnstone xvi 



Short Wave Transmission. By A. W. Greig xvi 



Transatlantic Reception and Dispersal of News. By T. W. 



Murray xvi 



Potassium Platinic Chloride. Estimation of K as K^ Pt Cle 



By Margaret McCurdy 142 



Presentation to Mr. and Mrs. Harry Piers xxiv 



Presidential Addresses: 



1925, by Prof. John Cameron i 



1924, by ProL C. B. Nickerson, vii 



1925, by Prof. C. B. Nickerson xviii 



1926, by Dr. S. G, Ritchie xxvii 



Presidents, List of 200 



Ptarmigan, Rock (Lagopus rupestris) in N. S. By Harry Piers { 



Qualitative Analysis of Mg. K & Na., New Procedure. By Prof. 



H. S. King 30 



Qualitative Separation of Metals of the Alkaline Earths. By 



ProL C. B. Nickerson 25 



Radium Content of Some Nova Scotian Minerals, By Carl Kenty, 



M. Sc, Dalhousie Univerwity 174 



Recent Changes in the Coast Line, Kings County, N. S. By 



Frederick J. Churchill 84 



Reports of Librarian. Harry Piers, for 1922 i 



1923 vii 



1924 xiii 



1925 xri 



