_X. TRANSACTIONS OF THE CANADIAN INSTITUTE 
Polar Elements 
Erythrite : : c , : - : 
A Nebular Theory of GreAfion . : 6 - A : : 
G. G. PURSEY 
What are Nebulz c : : : A 
The Settlement of Northern Ontario . - 
THOMAS poueones 
The Habits and Larval State of Plethodon Cinereus Erythronotus 
W, H. Prersou, B.A., M.B. 
Effects of Terrestrial Development ‘ : : 
Experiments c ° : 
Points Arising out erihe adele Gorditign 5 
Early Development and Development of Internal Organs 
Literature : . : 
Illustrations . 
On the Origin of the Canadian ipaites : 
WILLIAM HARVEY MCNTGEN M. A. 
Introductory é - : : : : 
Evidence of the Rocks . 4 : : c 
Evidence from the Nature of the Deoaaite 
Evidence from the Chemical Characteristics of Apatite 
Evidence from the Physical Characteristics of Apatite 
Evidence from Associated Minerals. 
Conclusion . : F 
The Stele of Osmunda Cinnamomea 
J..H: Eee B. re Pu. D. 
The Seedling . 
Specific Examples 
The Adult. . a 
Conclusions c : 
Ontogeny : 0 : 
Comparative Anatomy 
Palzobotany . 
Summary . 
Literature 
Illustrations 
Human Evolution and Finien Disease 
Ife Ake MACKENZIE: B. ne M. B. 
JaMEs Bain, D.C.L. 
‘ .4GE 
[Vou. VII. 
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A 485 
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