THE OTTAWA NATURALIST 



Published by The Ottawa Field-Naturalists' Club 

 Ottawa, Ont. 



Harlan I. Smith 

 M. O. Malte 

 M. Y. Williams 



Editor : 



Arthur Gibson. 



Entomological Branch, Department of 



Agriculture, C)ttawa. 



Associate Editors: 

 Anthropologjf. P. A. Taverner 



Botartjf. L. M. Lambe 



Ctologjf. R. M. Anderson 



Ornithologjf. 



Palaeorxtologjf. 



Zoology. 



Secretary : 



Clyde L. Patch, 

 Geological Survey. 



Treasurer : 

 F. W. Waugh, 

 Geological Survey. 



CONTENTS 



Pace 



A List of the Turtles, Snakes and Batrachians of Manitoba. By Ernest Thompson Seton-- 79 



An Ottawa Beach of the Champlain Sea. By E. M. Kindle 83 



Our Canadian Nut Trees. By F. E. Buck 87 



Microscopy and Biological Activities at Ruhleben (British Civil Prisoners of War Camp)__ 90 



Location of Towns and Villages in the Ottawa Valley. By J. Keele . 93 



Notes and Observations: 



A Correction. Clyde L. Patch 97 



The Nesting of the Black-crowned Night Heron in Southern Ontario. P. A. Taverner 97 



A Bird Caught in a Tree. Harlan I. Smith 97 



Bird Migration C. B. Hutchings 97 



Gannet Colonies. Arthur English 98 



Origin of Place Names in Ottawa Valley. R. Douglas 98 



Programme of Winter Lectures, 1918-1919 98 



THE OTTAWA NATURALIST, established thirty-one year. ago. "to publish the 

 results of original research or investigation in all departments of natural history." is issued monthly 

 from September to May, inclusive. All receipts from the publication are invested in the magazine 

 itself. Papers, notes and photographs for publication should be addressed to the Editor. The 

 subscription price is One Dollar a Year. Subscriptions should be addressed to the Treasurer, 

 Mr. F. W. Waugh, Geological Survey, Victoria Memorial Museum, Ottawa. 



