THE OTTAWA FIELD -NATURALISTS' CLUB 



President: R. M. Anderson. 

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



Treasurer: 

 Secretary: C. B. HuTCHiNGS. 



Clyde L. Patch (Entomological Branch 



(Geological Survey) Dept. Agriculture). 



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

 berg; H. I. Smith; F. W. Waugh; P. A. Taverner; E. Sapir; E. M. Kindle; 

 W. J. Wintemberg; R. E. DeLury; Arthur Gibson; Norman Criddle; M. 0. 

 Malte; C. H. Snell; Melville Dale; L. McL Terrill; John Davidson: 

 R. Owen Merriman; H. M. Speechly; Harrison F. Lewis. 



Editor: 



Harrison F. Lewis. 



Dominion Parks Branch 



Dept. of the Interior, Ottawa. 



Associate Editors: 



E. Sapir Anthropology A. G. Huntsman Marine Biology 



M. 0. Malte Botany P. A. Taverner Ornithology 



P. R. Latchford Conchology E. M. Kindle Palaeontology 



M. Y. Williams Geology R. M. Anderson Zoology 



Arthur Gibson Entomology 



COl^TENTS 



PAGE 

 Further Notes on the Rhopalocera or Butterflies of Hatley. Stanstead County, Quebec, 1921-1922. 



By Henry Mousley 141 



The European Hare in Ontario. By J. R. Dymond 142 



A Recent Breeding Record of the Trumpeter Swan in Alberta. By Hcyes Lloyd 143 



Migration of the Brant {Branta bernida) in Greenland. By Dr. Morten P. Porsild 144 



Birds of a Suburban Garden. By R. Owen Merriman 146 



Further Notes o i the Ferns of Hatley, Stanstead County, Quebec, 1921-1922. By Henry Mousley 149 



Willet Census in Nova Scotia. By R. W. Tufts 152 



Bird Notes from the District of Algoma, Ontario. By M. J. Magee 153 



Prosecutions Migratory Birds Convention Act. By Officers of the Dominion Parks Branch and 



Royal Canadian Mounted Police /-. 154 



Editorial Bird Sanctuaries on the North Shore of the Gulf of St. Lawrence 154 



Notes and Observations: 



A Freshwater-Isopod New to Canada. By Frits Johansen 156 



A Cladoceran New to America. By A. Brooker Klugh 156 



Bumble-Bees on Bleeding Heart. By H. M. Speechly 156 



A Freshwater-sponge Named After Prof. John Macoun. By Frits Johansen 156 



Acuteness of Vision in Pagurus arcadianvs. By A. Brooker Klugh 157 



Cassiope tetragona in Western Alberta. By J. Dewey Soper 157 



Book Review The Conservation of the Wild Life of Canada. By R.M.A 157 



Contributions to Canadian Biology, 1906-20. Supplement to Annual Reports of the De- 

 partments of Marine and Fisheries and Naval Service, Ottawa, 191^-2'' . "^y F.J.. . 158 



THE CANADIAN FIELD-NATURALIST, lately The Ottawa Naturalist, 

 established thirty-five years ago, "to publish the results of original research or investi- 

 gation 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. Manuscript 

 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 remaming 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, $1.50; 

 single copies 20c each. 



