Canada 
Department at Mines 
Hon. LOUIS CODERRE, Minister; 
R. W. BROCK, Deputy Minister. 
theological Suructj 
R. W. BROCK, Director 
Museum Bulletin No. 2 
JULY 30, 1914 
CONTENTS 
PETROLOGY 
The Origin of Granite (Micropegmatite) in the 
Purcell Sills S. J. Schofield 
Columnar Structure in Limestone E. M. Kindle 
PHYSICAL GEOGRAPHY 
Supposed Evidences of Subsidence of the Coast of 
New Brunswick within Modern Time J. W. Goldthwait 
ANTHROPOLOGY 
Some Aspects of Puberty Fasting among the Ojibwa. Paul Radin 
GEOLOGY 
The Pre-Cambrian (Beltian) Rocks of Southeastern 
British Columbia and Their Correlation S. J. Schofield 
PALAEONTOLOGY 
Early Cambrian Stratigraphy in the North American 
Cordillera, with Discussion of Albertella and 
Related Faunas , L. D. Burling 
A Preliminary Study of the Variations of the Plica- 
tions of Parastrophia Hemiplicata, Hall A. E. Wilson 
56815— A 
OTTAWA 
Government Printing Bureau 
1914 
No. 134 
