IV. 
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1D. G 
VI. 
TABLE OF CONTENTS 
The Chinook in Southern Alberta and Temperature In- 
versions at Sulphur Mountain, Banff. (Diagrams). 
| BA gv EN kl CIE LE UME RNCS ENS PINS PA en Os 
7. On the Amount of Radium and Radium Emanation 
present in the Water and Gases of the Caledonia 
Springs near Ottawa. By Dr. A.S. Eve.......... 
‘I. The Nitrogen Compounds in Rain and Snow. By F. 
Pee SERIE MLA ReE AU ate AR AA AN EN cb oe 
. On a Variation in the Intensity of the Penetrating Radia- 
tion at the Earth’s Surface observed during the Pass- 
age of Halley’s Comet. (Diagrams). By ARTHUR 
TuHomson, M.A. Communicated by Pror. McLENNAN 
On the Intluence of Acids and Salts on the Amount of 
Emanation liberated from a Solution of Radium. 
By PROF, AS) EvEand ) “McIN@G@sE EEE ENS 
On the’ Radium Contents of Specimens from a deep boring 
at Beachville, Ont. By Pror. A. 8S. Eve and D. 
ICO) pales viet ees HOS an lle. Gl acai sa tnd Ree 
. Electric Potential and Conductivity of the Air at Winter 
Harbour, Melville Island. By W. E. W. Jackson. 
Conmmunicated byt Rei SSTUPARM A ERP ses d< 
. Probable Errors of Radial Velocity Determination. By 
A] feds weet] Ba <a 011 El RO RU PUR ac RI UR a RET PRO EEE te a 
. Mathematical Instruction in France. By R. C. ArcuI- 
SECTION IV. 
. Review of the Flora of the Little River Group, Nosnhth: 
(Plate) ay DR: GR Marry oh 0 Uan es). 
. Che Formation of Coal..' By DB: Domaine...) 
. Place-Names in Northern Canada. By JAMES WHITE, 
LS 0 oh AE 8S) Ara AR RS ANNE PAR CN IE AE 
. Upon the number of Micro-organisms in the Air of 
Winnipeg. (Diagrams). By Dr. A. H. R. BULLER 
AOE ELAS. VET ASCOT DR. RERO Sha 5 10 LN 
. The Actiniaria of Passamaquoddy Bay, with a discussion 
of their Synonomy. (Plates). By Pror. J. PLAY- 
PATE UOMO RICE big ek can PER NN Ng EERE 
On the Nature and Significance of the Calcium Content of 
the Blood. (Diagram). By Dr. A.G. NICHOLLS... . 
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