THE OTTAWA FIELD-NATURALISTS' CLUB 



President: M. Y. Williams 



Vice-Presidents: L. D. BuRLING ; R. M. ANDERSON 



Treasurer : 

 Secretary/: Q. B. Hutchings 



Clyde L. Patch (Enlomological Branch 



(Geological Survey) Depf. Agriculture.) 



Additional Members of Council: HoYES Lloyd; W. T. Macoun; G. A. Miller; Miss M. 

 E. Cowan; C. B. Hutchings; C. M. Sternberg; H. I. Smith; F. W. Waugh; 

 P. A. Taverner; E. Sapir; E. M. Kindle; W. J. Wintemberg; R. E. Delury; 



F. Johansen. 



THE CANADIAN FIELD-NATURALIST 



Editor : 



Arthur Gibson, 



Entomological Branch, Department of 



Agriculture, Ottawa. 



Associate Editors: 



E. Sapir - - Anthropology A. G. Huntsman - Marine Biology. 

 M. O. Malte - - Boianjf P. A. Taverner - - - Ornithologjt 



F. R. Latchford - Concholog}) E. M. Kindle - - - Palaeontology 

 M. Y. WiLUAMS - - Geology R. M. Anderson - - - - Zoology 



CONTENTS. 



Notes on the Fauna of the Moose River and the Maltagami and Abitibi Tributaries. 



. By M. Y. Williams 121 



The Larger Freshwater Crustacea of Canada and Alaska. By Frits Johansen 126 



Changes in the Status of Certain Birds in the Vicinity of Quebec, P.Q. By H. F. Lewis. 132 



The Ferns of Hatley, Stanstead County, Que., 1920. By H. MousJey 137 



/ 



THE CANADIAN FIELD-NATURALIST, lately The Ottawa Naturalist, estab- 

 lisheil thirty^two years ago, "to publish the results of original research or investigation in all 

 departments of natural history," is issued monthly, excepting for the months of June, July and 

 August. 



Papers, notes and photographs should be addressed to**he Editor. Manuscript should be 

 typewritten. 



Subscriptions should be sent to the Treasurer, Mr. C. B. Hutchings, Entomological Branch, 

 Department of Agriculture, Ottawa. The price of this volume is $1.50; singe copies, 20 cents. 



