THE OHAWA FIELD-NATURALISTS' CLUB 



President: R, M. Anderson 

 1st Vice President: G. A. Millar 2nd Vice President: Hoyes Lloyd 



Treasurer: 

 Secretary: C. B. HuTCHiNGS 



Clyde L. Patch (Entomological Brancli 



(Geological Survey) Dept. Agriculture.) 



Additional Members of Council: W. T. Macoun; Miss M. E. Cowan; C. M. 

 Sternberg; H. I. Smith; F. W. Waugh; P. A. Taverner; E. Sapir; 

 E. _M. Kindle; W. J. Wintemberg; R. E. Delury; Arthur Gibson; 



Norman Criddle 



THE CANADIAN FIELD-NATURALIST 



E. Sapir - - 

 M. O. Malte - 



F. R. Latchford 

 M. Y. Williams 



Editor: 

 D. Jenness 

 Victoria Memorial Museum, Ottawa 



Associate Editors: 

 - Anthropology A. G. Huntsman 

 - - Botany P. A. Taverner 

 -- Conchology E. M. Kindle - 

 - Geology R. M. Anderson 

 Arthur Gibson Entomology 



Marine Biology 



- Ornithology 



Palaeontology 



' Zoology 



CONTENTS. 



Page 



The Evening Grosbeak in Canada. By P. A. Taverner 41 



The Larger Freshwater Crustacea from Canada and Alaska. By Frits Johansen .... 45 

 Association, Commensalism and Parisitism among Marine Animals in the Strait of 



Georgia. By C. McLean Fraser 48 



Gleanings from the Canadian West Part I., Avian Fauna of Islay, Alberta. By J. 



Dewey Soper 50 



Prosecutions, Migratory Birds Convention Act and North West Game Act 56 



Correspondence: 



Bird Migration. H. Mousley 54 



Notes and Observations: 



Notes and Observations on the White-winged Crossbill. L. McI. Terrell .... 57 



Observations on Birds of Prince Edward Island. A Brooker Klugh 58 



Prairie Warbler at Hamilton, Ont. R. Owen Merriman 59 



Bohemian Waxwings in Saskatchewan. Neil Gilmour 59 



Appointments. H. L 60 



THEfCANADIAN FIELD-NATURALIST, lately The Ottawa Natura- 

 list, established 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 the Editor. Manu- 

 script should be typewritten. 



Subscriptions cover the current year, except those taken out during last 

 quarter when they will be applied on the following year, the remaining numbers 

 of current year being sent free. Payments should be made to the Treasurer, 

 Mr. C. B. Hutchings, Entomological Branch, Dept. of Agriculture, Ottawa. 

 Price of this volume $L50; single copies 20c each. 



