TRANSACTIONS 



OF V- 



THE ROYAL SOCIETY OF CANADA 



Series III JUNE and SEPTEMBER 1918 Vol. XII 



SECTIONS IV and V. GEOLOGICAL and BIOLOGICAL SCIENCES 



CONTENTS 



Page 



1 . Bacteria of Frozen Soils in Quebec, II By J. Vanderleck 1 



2. The Cretaceous genus Stegoceras typifying a new family referred 



provisionally to the Stegosauria By Lawrence M. Lambe 23 



3. Notes on the Origin of Colerainite By Eugene Poitevin 37 



4. A Report on Results Obtained from the Microdissection of Certain 



Cells By Robert Chambers 4 1 



5. The Scale Method of Calculating the Rate of Growth in Fishes. . . 



By A. G. Huntsman 47 



6. The Vertical Distribution of Certain Intertidal Animals 



By A. G. Huntsman 53 



7. The Effect of the Tide on the Distribution of the Fishes of the 



Canadian Atlantic Coast By A. G. Huntsman 61 



8. The Inheritance of the Length of the Flowering and Ripening 



Periods in Wheat By W. P. Thompson 69 



9. Preliminary Study of the Western Gas Fields of Canada 



By D. B. Dowling 89 



10. Branchioderma and Branchiotrema By Arthur Willey 95 



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