OCTOBER, 1906. 



VOI,. XX, No. 7 



THE 



OTTAWA 

 NATURALIST. 



Published by the Ottawa Field-Naturalists' Club. 



CONTE NTS. 



Paoc 



i. Notes on Cyrtoceras cuneatum, by J. F. Whiteaves 115 



2. Contributions to Canadian Botany, by James M. Macoun 135 



3. The Spring Migration of Birds at Ottawa of the year 1906, 



compared with that of other seasons, by C. W. G. 



Erf 11 I 1 <i^ i * # a ft *\ *\ 



4. Nature Study No. 37 by Arthur Gibson.. ... 149 



(ISSUED OCTOBER 75, igo6.) 



OTTAWA, CANADA, 



Ottawa Printing Company (Limited). 



3 & 5 Mosgrove St. 



Entered at the Ottawa Poit Officers stand class matter. 



