MARCH. 1907. 



THE 



VOL XX, No. 12 



OTTAWA 

 NATURALIST 



Published by the Ottawa Field-Naturalists' Club. 



CONTENTS. 



Pac;e 



i. Some Curious Facts about Fishes, by Andrew Halkett . . . 229 



2. The Disappearance of the Passenger Pigeon, by J. H. Fleming 236 



3. Correspondence, by W. E. Saunders ... .... ... 238 



4. Notes on some Fresh- Water Shells from Manitoba, by J. 



F. Whiteaves ... .... ... .... .... 239 



5. Meteorological Observations at Ottawa, by Wm. Ellis .... 241 



6. Report of Entomological Branch .... .... 243 



7. Nature Study No. 42 The Relation of Sparrows to Agri- 



culture, by L. H. Newman .... 247 



(ISSUED MARCH 22, 1907.) 



@*x 



OTTAWA, CANADA, 



Ottawa Printing Company (Limited 



3 & 5 Mosgrove St. 



Entered at the Ottawa Pat Office as second class matter. 



